{"id":12206,"date":"2026-09-08T02:19:00","date_gmt":"2026-09-08T02:19:00","guid":{"rendered":"https:\/\/www.omch.com\/?p=12206"},"modified":"2026-09-08T02:19:01","modified_gmt":"2026-09-08T02:19:01","slug":"proximity-sensor-sensing-distance","status":"publish","type":"post","link":"https:\/\/www.omch.com\/vi\/proximity-sensor-sensing-distance\/","title":{"rendered":"Gi\u1ea3i th\u00edch v\u1ec1 kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn: Kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c so v\u1edbi kho\u1ea3ng c\u00e1ch th\u1ef1c t\u1ebf (v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn)"},"content":{"rendered":"\n\n\n\n\nGi\u1ea3i th\u00edch v\u1ec1 kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn: Kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c so v\u1edbi kho\u1ea3ng c\u00e1ch th\u1ef1c t\u1ebf (v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn)<\/title>\n<\/head>\n<body>\n<!-- \u2193\u2193\u2193 The deployable fragment begins here. \u2193\u2193\u2193 -->\n<div class=\"bd-post\">\n <style>\n \/* fonts: BLOG scope only \u2014 OMCH Standard Blog CSS Header (verbatim lock). *\/\n @import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;600;700&family=Roboto:wght@600;700&display=swap');\n\n .bd-post {\n --prose-width: 720px;\n --gap-attach: 16px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-compact: 16px;\n --pad-standard: 24px;\n \/* palette \u2014 single source of hex, one per article, series-wide (plan-locked) *\/\n --body-bg: #FFFFFF;\n --text-primary: #333333;\n --text-secondary: #6E6E6E;\n --heading: #000000;\n --accent: #479DE2;\n --accent-text: #0D3972;\n --accent-hot: #FD9649;\n --link: #1460A8;\n --card-fill: #F2F8FD;\n --card-border: #A9C3DD;\n --card-text: #333333;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --inverse-text-2: #C9C9C9;\n --btn-white: #FFFFFF;\n --btn-ink: #1E1E1E;\n\n font-family: \"Manrope\", sans-serif;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.6;\n color: var(--text-primary);\n background: var(--body-bg);\n padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n }\n .bd-post * { box-sizing: border-box; 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font-weight: 600; line-height: 1.55; color: var(--inverse-text); max-width: 30em; }\n .bd-post .bp-1-foot { margin: 0; font-size: 13px; line-height: 1.5; color: var(--inverse-text-2); }\n\n \/* ---- BP-2: stock matrix (neutral card) ---- *\/\n .bd-post .bp-2-stock { background: var(--card-fill); border: 1px solid var(--card-border); border-radius: 10px; padding: var(--pad-standard); display: flex; flex-direction: column; gap: 14px; }\n .bd-post .bp-2-title { margin: 0; display: inline-flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; color: var(--card-text); }\n .bd-post .bp-2-title-icon { display: inline-flex; color: var(--accent-text); }\n .bd-post .bp-2-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }\n .bd-post .bp-2-cell { display: flex; flex-direction: column; gap: 4px; }\n .bd-post .bp-2-cell-name { margin: 0; font-size: 13px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }\n .bd-post .bp-2-cell-nums { font-size: 26px; 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padding: 14px 22px; border-radius: 8px; border: 0; cursor: pointer; text-decoration: none; background: var(--accent-hot); color: var(--btn-ink); }\n .bd-post .bp-cta-end-btn:hover { background: var(--btn-white); color: var(--accent-text); }\n .bd-post .bp-cta-end-btn svg { flex: 0 0 auto; }\n .bd-post .bp-cta-end-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }\n\n \/* ---- motion (sanctioned, gated) ---- *\/\n @media (prefers-reduced-motion: no-preference) {\n .bd-post h2 { transition: color 0.2s ease-out, transform 0.2s ease-out; }\n .bd-post h2:hover { color: var(--accent-text); transform: scale(1.01); }\n .bd-post p a, .bd-post li a, .bd-post blockquote a, .bd-post td a { transition: color 0.2s ease-out, text-decoration-color 0.2s ease-out; }\n .bd-post .bp-cta-end-btn { transition: background 0.2s ease-out, color 0.2s ease-out, transform 0.2s ease-out; }\n .bd-post .bp-cta-end-btn:hover { transform: translateY(-2px); }\n }\n\n @media (max-width: 768px) {\n .bd-post { padding: 16px; }\n .bd-post h1 { font-size: 26px; margin: 0 0 24px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n .bd-post .rich-multicol { grid-template-columns: repeat(2, 1fr); }\n .bd-post .bp-1-row { flex-direction: column; align-items: flex-start; gap: 12px; }\n .bd-post .bp-1-divider { width: 44px; height: 2px; }\n .bd-post .bp-1-num { font-size: 33px; }\n .bd-post .bp-2-grid { grid-template-columns: 1fr; }\n .bd-post .bp-cta-end { padding: 24px; }\n }\n @media (max-width: 560px) {\n .bd-post .rich-multicol { grid-template-columns: 1fr; }\n }\n <\/style>\n <article class=\"bd-post-article\">\n\n <p>B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ghi l\u00e0 \u201c8 mm\u201d. M\u00e1y m\u00f3c t\u1ea1i x\u01b0\u1edfng c\u1ee7a b\u1ea1n l\u1ea1i k\u00edch ho\u1ea1t m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady \u1edf m\u1ee9c ch\u1ec9 b\u1eb1ng m\u1ed9t n\u1eeda con s\u1ed1 \u0111\u00f3. Tr\u01b0\u1edbc khi \u0111\u1ed5 l\u1ed7i cho c\u1ea3m bi\u1ebfn ho\u1eb7c nh\u00e0 cung c\u1ea5p, h\u00e3y t\u00ecm hi\u1ec3u xem \u201c8 mm\u201d th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a g\u00ec. Kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m r\u1ea5t c\u1ee5 th\u1ec3, v\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n n\u00e0o trong m\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t th\u1ef1c t\u1ebf ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u1ea3i th\u00edch qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i con s\u1ed1 kho\u1ea3ng c\u00e1ch t\u1eeb b\u1ea3ng d\u1eef li\u1ec7u \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf. N\u00f3 bao g\u1ed3m \u00fd ngh\u0129a c\u1ee7a con s\u1ed1 \u0111\u00f3, nh\u1eefng y\u1ebfu t\u1ed1 l\u00e0m gi\u1ea3m kho\u1ea3ng c\u00e1ch th\u1ef1c t\u1ebf, v\u00e0 c\u00e1ch t\u00ednh to\u00e1n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1eb7t h\u00e0ng.<\/p>\n\n <img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/09\/Proximity-Sensor-Sensing-Distance.webp\" style=\"width: 512px; height: 384px; max-width: 100%; object-fit: cover; border-radius: 12px; margin: 30px auto; display: block; box-shadow: 10px 10px 60px 0px rgba(210, 221, 224, 0.35); transition: all 0.3s ease; cursor: pointer;\" onmouseover=\"this.style.transform='translateY(-5px) scale(1.03)'; this.style.boxShadow='15px 25px 80px 0px rgba(210, 221, 224, 0.45)'\" onmouseout=\"this.style.transform='translateY(0) scale(1)'; this.style.boxShadow='10px 10px 60px 0px rgba(210, 221, 224, 0.35)'\"> \n\n <h2>\u201cKho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn\u201d th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a l\u00e0 g\u00ec trong b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn?<\/h2>\n <p>Tr\u01b0\u1edbc h\u1ebft, ph\u1ea1m vi. B\u00e0i vi\u1ebft n\u00e0y n\u00f3i v\u1ec1 <strong>c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u00f4ng nghi\u1ec7p<\/strong>: c\u00e1c c\u00f4ng t\u1eafc h\u00ecnh tr\u1ee5 c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u00e0 truy\u1ec1n t\u00edn hi\u1ec7u b\u1eadt\/t\u1eaft. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n, c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c c\u1ea3m bi\u1ebfn \u0111o kho\u1ea3ng c\u00e1ch ki\u1ec3u analog (c\u00e1c thi\u1ebft b\u1ecb laser ho\u1eb7c si\u00eau \u00e2m cho k\u1ebft qu\u1ea3 \u0111o t\u00ednh b\u1eb1ng centimet ho\u1eb7c m\u00e9t). \u0110\u00e2y l\u00e0 m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m kh\u00e1c, ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd v\u1eadt l\u00fd kh\u00e1c v\u00e0 c\u00f3 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c. N\u1ebfu b\u1ea1n \u0111ang \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y v\u00ec m\u1ed9t chi ti\u1ebft kim lo\u1ea1i n\u00e0o \u0111\u00f3 kh\u00f4ng k\u00edch ho\u1ea1t c\u00f4ng t\u1eafc c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady, h\u00e3y ti\u1ebfp t\u1ee5c \u0111\u1ecdc.<\/p>\n <p>Kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn \u0111\u1ecbnh m\u1ee9c (th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0 <strong>Sn<\/strong>, hay c\u00f2n g\u1ecdi l\u00e0 kho\u1ea3ng c\u00e1ch ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecbnh m\u1ee9c theo ti\u00eau chu\u1ea9n IEC 60947-5-2) l\u00e0 kho\u1ea3ng c\u00e1ch m\u00e0 t\u1ea1i \u0111\u00f3 c\u00f4ng t\u1eafc ti\u1ec7m c\u1eadn <em>\u0111\u1ea3m b\u1ea3o s\u1ebd ph\u1ea3n h\u1ed3i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m quy \u0111\u1ecbnh<\/em>. M\u1ecdi th\u1ee9 \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3. M\u1eabu th\u1eed ti\u00eau chu\u1ea9n l\u00e0 m\u1ed9t h\u00ecnh vu\u00f4ng l\u00e0m b\u1eb1ng th\u00e9p cacbon th\u1ea5p (Fe360) d\u00e0y 1 mm, c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng \u00edt nh\u1ea5t ba l\u1ea7n Sn ho\u1eb7c chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1eb7t c\u1ea3m bi\u1ebfn, t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn h\u01a1n. \u0110\u1ed1i v\u1edbi c\u1ea3m bi\u1ebfn M8 c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt 1,5 mm, \u0111\u00f3 l\u00e0 m\u1ed9t h\u00ecnh vu\u00f4ng b\u1eb1ng th\u00e9p th\u01b0\u1eddng c\u00f3 c\u1ea1nh 8 mm; \u0111\u1ed1i v\u1edbi c\u1ea3m bi\u1ebfn M12 c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt 2 mm, \u0111\u00f3 l\u00e0 m\u1ed9t h\u00ecnh vu\u00f4ng c\u00f3 c\u1ea1nh 12 mm (<a href=\"https:\/\/www.pepperl-fuchs.com\/en-us\/support\/knowledge-and-literature\/knowledge-bases-for-industrial-sensors\/knowledge-base-for-inductive-sensors\/detection-method-and-function\/operating-distance-as-central-characteristic-gp28808\">Pepperl+Fuchs, c\u01a1 s\u1edf ki\u1ebfn th\u1ee9c v\u1ec1 c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng<\/a>).<\/p>\n <p>C\u00e1c b\u1ea3ng d\u1eef li\u1ec7u ph\u00e2n bi\u1ec7t m\u1ed9t s\u1ed1 kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng ch\u1ed3ng l\u00ean nhau, v\u00e0 ch\u1ec9 c\u00f3 m\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 cam k\u1ebft:<\/p>\n\n <div class=\"rich-multicol\">\n <div class=\"rich-multicol-cell\"><span class=\"rich-multicol-label\">\u0110\u01b0\u1ee3c x\u1ebfp h\u1ea1ng (Sn)<\/span><span class=\"rich-multicol-text\">Gi\u00e1 tr\u1ecb tham chi\u1ebfu \u0111\u1ec3 so s\u00e1nh c\u00e1c m\u00f4 h\u00ecnh; kh\u00f4ng t\u00ednh \u0111\u1ebfn dung sai v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/span><\/div>\n <div class=\"rich-multicol-cell\"><span class=\"rich-multicol-label\">Hi\u1ec7u qu\u1ea3 (C\u1ea5p cao)<\/span><span class=\"rich-multicol-text\">Kho\u1ea3ng c\u00e1ch \u0111o \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t c\u1ea3m bi\u1ebfn duy nh\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 23\u00b15 \u00b0C, 0,9\u20131,1\u00d7Sn<\/span><\/div>\n <div class=\"rich-multicol-cell\"><span class=\"rich-multicol-label\">C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng (Su)<\/span><span class=\"rich-multicol-text\">C\u1ea3m bi\u1ebfn n\u00e0y ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i nhi\u1ec7t \u0111\u1ed9 t\u1eeb -25\u2026+70 \u00b0C v\u00e0 d\u1ea3i \u0111i\u1ec7n \u00e1p ngu\u1ed3n t\u1eeb 85\u2013110%, v\u1edbi h\u1ec7 s\u1ed1 Sr n\u1eb1m trong kho\u1ea3ng 0,9\u20131,1\u00d7Sr<\/span><\/div>\n <div class=\"rich-multicol-cell\"><span class=\"rich-multicol-label\">\u0110\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o (Sa)<\/span><span class=\"rich-multicol-text\">Kho\u1ea3ng c\u00e1ch m\u00e0 vi\u1ec7c chuy\u1ec3n m\u1ea1ch \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n \u0111\u00e3 n\u00eau: t\u1eeb 0 \u0111\u1ebfn 0,81\u00d7Sn<\/span><\/div>\n <\/div>\n\n <p>Con s\u1ed1 trong t\u00ean m\u1eabu l\u00e0 Sn. Con s\u1ed1 m\u00e0 b\u1ea1n n\u00ean l\u1ea5y l\u00e0m c\u01a1 s\u1edf thi\u1ebft k\u1ebf l\u1ea1i g\u1ea7n v\u1edbi Sa h\u01a1n: ph\u1ea1m vi \u0111\u1ea3m b\u1ea3o. Kho\u1ea3ng c\u00e1ch gi\u1eefa \u201c\u0111\u1ecbnh m\u1ee9c\u201d v\u00e0 \u201c\u0111\u1ea3m b\u1ea3o\u201d ch\u00ednh l\u00e0 n\u01a1i m\u00e0 20% \u0111\u1ea7u ti\u00ean c\u1ee7a kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn c\u1ee7a b\u1ea1n bi\u1ebfn m\u1ea5t m\u1ed9t c\u00e1ch \u00e2m th\u1ea7m.<\/p>\n\n <h2>M\u1ed7i lo\u1ea1i c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c \u1edf kho\u1ea3ng c\u00e1ch bao xa<\/h2>\n <p>\u201cC\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch\u201d l\u00e0 m\u1ed9t nh\u00f3m c\u00f4ng ngh\u1ec7, v\u00e0 m\u1ed7i th\u00e0nh vi\u00ean trong nh\u00f3m n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean l\u00fd v\u1eadt l\u00fd kh\u00e1c nhau v\u1edbi ph\u1ea1m vi kho\u1ea3ng c\u00e1ch kh\u00e1c nhau. Tr\u01b0\u1edbc khi x\u00e1c \u0111\u1ecbnh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cho b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o, h\u00e3y x\u00e1c \u0111\u1ecbnh \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n thu\u1ed9c ph\u1ea1m vi n\u00e0o:<\/p>\n\n <div class=\"table-wrapper\"><table>\n <thead><tr><th>C\u00f4ng ngh\u1ec7<\/th><th>Kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn ti\u00eau bi\u1ec3u<\/th><th>Ph\u00e1t hi\u1ec7n<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>D\u1eabn xu\u1ea5t<\/td><td>~1\u201315 mm (lo\u1ea1i h\u00ecnh tr\u1ee5 ti\u00eau chu\u1ea9n)<\/td><td>Ch\u1ec9 d\u00e0nh cho kim lo\u1ea1i<\/td><td>Kho\u1ea3ng c\u00e1ch gi\u1ea3m m\u1ea1nh khi ph\u00e1t hi\u1ec7n c\u00e1c m\u1ee5c ti\u00eau kim lo\u1ea1i m\u00e0u (ph\u1ea7n ti\u1ebfp theo)<\/td><\/tr>\n <tr><td>Dung l\u01b0\u1ee3ng<\/td><td>Kho\u1ea3ng mm, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u1ea3m \u1ee9ng<\/td><td>Kim lo\u1ea1i v\u00e0 phi kim lo\u1ea1i (nh\u1ef1a, ch\u1ea5t l\u1ecfng, b\u1ed9t)<\/td><td>Kho\u1ea3ng c\u00e1ch ph\u1ee5 thu\u1ed9c v\u00e0o h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a m\u1ee5c ti\u00eau<\/td><\/tr>\n <tr><td>T\u1eeb t\u00ednh (Hall\/reed)<\/td><td>t\u1eeb mm \u0111\u1ebfn h\u00e0ng ch\u1ee5c mm<\/td><td>M\u1ee5c ti\u00eau s\u1eaft t\u1eeb<\/td><td>Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c v\u1eadt li\u1ec7u m\u00e0u; c\u1ea7n c\u00f3 m\u1ee5c ti\u00eau t\u1eeb t\u00ednh ho\u1eb7c nam ch\u00e2m<\/td><\/tr>\n <tr><td>Quang \u0111i\u1ec7n (ph\u00e2n t\u00e1n)<\/td><td>Centim\u00e9t, m\u1ed9t s\u1ed1 th\u00e0nh m\u00e9t<\/td><td>H\u1ea7u nh\u01b0 b\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u n\u00e0o<\/td><td>D\u1ef1a tr\u00ean \u00e1nh s\u00e1ng; b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u00e0u s\u1eafc, \u0111\u1ed9 b\u00f3ng v\u00e0 t\u1ea1p ch\u1ea5t<\/td><\/tr>\n <tr><td>Si\u00eau \u00e2m<\/td><td>T\u1eeb v\u00e0i ch\u1ee5c cm \u0111\u1ebfn v\u00e0i m\u00e9t<\/td><td>Ch\u1ea5t r\u1eafn v\u00e0 ch\u1ea5t l\u1ecfng<\/td><td>D\u1ef1a tr\u00ean \u00e2m thanh; b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00e1c b\u1ec1 m\u1eb7t m\u1ec1m<\/td><\/tr>\n <\/tbody>\n <\/table><\/div>\n\n <p>Hai \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd. C\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng, lo\u1ea1i c\u00f4ng t\u1eafc ti\u1ec7m c\u1eadn h\u00ecnh tr\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t, \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong <strong>milim\u00e9t<\/strong> th\u1ebf gi\u1edbi; vi\u1ec7c mong \u0111\u1ee3i ng\u01b0\u1eddi kh\u00e1c \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00e0i centimet l\u00e0 m\u1ed9t s\u1ef1 l\u1ec7ch pha \u0111i\u1ec3n h\u00ecnh. V\u00e0 con s\u1ed1 c\u1ee7a m\u1ed7i gia \u0111\u00ecnh l\u00e0 <em>c\u00e1c \u0111\u1ed9 s\u00e1ng ti\u00eau bi\u1ec3u trong danh m\u1ee5c<\/em>, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u1eddi h\u1ee9a: ch\u1ec9 ri\u00eang trong c\u00e1c c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng, m\u1ed9t thi\u1ebft b\u1ecb lo\u1ea1i M30 kh\u00f4ng c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 (kh\u00f4ng l\u1eafp \u00e2m) c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng c\u00e1ch ho\u1ea1t \u0111\u1ed9ng g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb lo\u1ea1i M8 c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 (l\u1eafp \u00e2m). N\u1ebfu m\u1ed9t m\u00e1y m\u00f3c y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn th\u1ef1c s\u1ef1 d\u00e0i tr\u00ean kim lo\u1ea1i, th\u00ec \u0111\u00f3 ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c m\u1eabu c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng, t\u1eeb t\u00ednh ho\u1eb7c quang \u0111i\u1ec7n \u201ct\u1ea7m xa\u201d \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n.<\/p>\n\n <h2>T\u1ea1i sao kho\u1ea3ng c\u00e1ch ph\u00e1t hi\u1ec7n th\u1ef1c t\u1ebf l\u1ea1i ng\u1eafn h\u01a1n: N\u0103m y\u1ebfu t\u1ed1 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t<\/h2>\n <p>\u0110\u00e2y l\u00e0 t\u00ecnh hu\u1ed1ng m\u00e0 b\u1ea5t k\u1ef3 k\u1ef9 s\u01b0 b\u1ea3o tr\u00ec n\u00e0o c\u0169ng s\u1ebd g\u1eb7p ph\u1ea3i: b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ghi l\u00e0 8 mm, nh\u01b0ng kho\u1ea3ng c\u00e1ch ph\u00e1t hi\u1ec7n th\u1ef1c t\u1ebf tr\u00ean m\u00e1y ch\u1ec9 kho\u1ea3ng 4 mm. Trong t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn v\u1eadn h\u00e0nh c\u1ee7a m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t, t\u00ecnh hu\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 ph\u00e0n n\u00e0n ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1ec1 c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng, v\u00e0 th\u00f4ng th\u01b0\u1eddng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ed7i (<a href=\"https:\/\/www.bedooksensors.com\/inductive-proximity-sensor-sensing-distance\/\">H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u1ea3m bi\u1ebfn c\u1ee7a Bedook, \u201cHi\u1ec3u v\u1ec1 kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn trong c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u1ea3m \u1ee9ng,\u201d th\u00e1ng 6 n\u0103m 2026<\/a>). Nguy\u00ean nh\u00e2n bao g\u1ed3m n\u0103m y\u1ebfu t\u1ed1, v\u00e0 ch\u00fang <strong>nh\u00e2n<\/strong>, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u1ed9ng.<\/p>\n\n <h3>V\u1eadt li\u1ec7u v\u00e0 k\u00edch th\u01b0\u1edbc m\u1ee5c ti\u00eau: c\u00e1c y\u1ebfu t\u1ed1 nh\u00e2n h\u1ec7 s\u1ed1 l\u1edbn nh\u1ea5t<\/h3>\n <p>C\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00e1c d\u00f2ng \u0111i\u1ec7n xo\u00e1y trong v\u1eadt th\u1ec3 m\u1ee5c ti\u00eau. V\u1eadt th\u1ec3 th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n l\u00e0 th\u00e9p cacbon th\u1ea5p tr\u01a1n: <em>t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3<\/em> gi\u00e1 tr\u1ecb m\u1ee5c ti\u00eau. M\u1ecdi gi\u00e1 tr\u1ecb kh\u00e1c \u0111\u1ec1u b\u1ecb tr\u1eeb \u0111i\u1ec3m. C\u00e1c h\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t nh\u1ecf do h\u1ec7 s\u1ed1 n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf b\u1ed9 dao \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn, nh\u01b0ng c\u00e1c b\u1ea3ng s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 c\u00f3 s\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng cao:<\/p>\n\n <div class=\"table-wrapper\"><table>\n <thead><tr><th>V\u1eadt li\u1ec7u m\u1ee5c ti\u00eau<\/th><th>H\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh (\u00d7 kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c)<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>Th\u00e9p (Fe360), ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m<\/td><td>1.0<\/td><\/tr>\n <tr><td>Th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>\u22480,85 (m\u1ed9t b\u1ea3ng ch\u00ednh); 0,6\u20131,0 (m\u1ed9t b\u1ea3ng kh\u00e1c)<\/td><\/tr>\n <tr><td>Nh\u00f4m<\/td><td>0,30\u20130,45<\/td><\/tr>\n <tr><td>\u0110\u1ed3ng thau<\/td><td>0,35\u20130,50<\/td><\/tr>\n <tr><td>\u0110\u1ed3ng<\/td><td>0,25\u20130,45<\/td><\/tr>\n <\/tbody>\n <\/table><\/div>\n\n <p>D\u00e3y th\u00e9p kh\u00f4ng g\u1ec9 \u1ea9n ch\u1ee9a m\u1ed9t c\u00e1i b\u1eaby m\u00e0 b\u1ea1n n\u00ean bi\u1ebft: <strong>th\u00e9p kh\u00f4ng g\u1ec9 ferritic<\/strong> (th\u00e9p t\u1eeb t\u00ednh, v\u00ed d\u1ee5 nh\u01b0 d\u00f2ng 400) c\u00f3 t\u00ednh ch\u1ea5t g\u1ea7n gi\u1ed1ng v\u1edbi th\u00e9p th\u00f4ng th\u01b0\u1eddng. <strong>Th\u00e9p kh\u00f4ng g\u1ec9 austenit nh\u01b0 lo\u1ea1i 304<\/strong>, v\u1ed1n l\u00e0 v\u1eadt li\u1ec7u kh\u00f4ng t\u1eeb t\u00ednh, n\u1eb1m \u1edf m\u1ee9c th\u1ea5p nh\u1ea5t c\u1ee7a kho\u1ea3ng 0,6\u20131,0 \u0111\u00f3. C\u00e1c ngu\u1ed3n chuy\u00ean m\u00f4n \u01b0\u1edbc t\u00ednh c\u00e1c lo\u1ea1i th\u00e9p austenit n\u1eb1m trong kho\u1ea3ng 30\u201370% so v\u1edbi kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c c\u1ee7a th\u00e9p (<a href=\"https:\/\/www.balluff.com\/en-us\/blog\/inductive-proximity-sensor-targets-material-does-matter\">Balluff, \u201cM\u1ee5c ti\u00eau c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u1ea3m \u1ee9ng \u2014 v\u1eadt li\u1ec7u th\u1ef1c s\u1ef1 quan tr\u1ecdng\u201d<\/a>; <a href=\"https:\/\/www.pepperl-fuchs.com\/en-us\/support\/knowledge-and-literature\/knowledge-bases-for-industrial-sensors\/knowledge-base-for-inductive-sensors\/detection-method-and-function\/operating-distance-as-central-characteristic-gp28808\">B\u1ea3ng h\u1ec7 s\u1ed1 quy \u0111\u1ed5i c\u1ee7a Pepperl+Fuchs<\/a>). N\u1ebfu b\u1ea1n \u0111ang ki\u1ec3m tra th\u00e9p kh\u00f4ng g\u1ec9, h\u00e3y h\u1ecfi r\u00f5 lo\u1ea1i th\u00e9p \u0111\u00f3 l\u00e0 lo\u1ea1i n\u00e0o tr\u01b0\u1edbc khi \u0111\u01b0a ra cam k\u1ebft v\u1ec1 kho\u1ea3ng c\u00e1ch.<\/p>\n <p>K\u00edch th\u01b0\u1edbc m\u1ee5c ti\u00eau c\u0169ng c\u00f3 t\u1ea7m quan tr\u1ecdng t\u01b0\u01a1ng t\u1ef1. M\u1ee5c ti\u00eau th\u1eed nghi\u1ec7m l\u00e0 m\u1ed9t t\u1ea5m kim lo\u1ea1i c\u00f3 chi\u1ec1u r\u1ed9ng \u00edt nh\u1ea5t b\u1eb1ng b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn; c\u00e1c m\u1ee5c ti\u00eau th\u1ef1c t\u1ebf l\u00e0 r\u0103ng b\u00e1nh r\u0103ng, \u1ed1c v\u00edt, ch\u1ed1t v\u00e0 k\u1eb9p \u1ed1ng. N\u1ebfu chia di\u1ec7n t\u00edch m\u1ee5c ti\u00eau l\u00e0m \u0111\u00f4i, b\u1ea1n c\u00f3 th\u1ec3 m\u1ea5t kho\u1ea3ng 40\u201350% so v\u1edbi kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c. Vi\u1ec7c t\u1ea1o ra m\u1ee5c ti\u00eau <em>l\u1edbn h\u01a1n<\/em> th\u00ec t\u1ea5m ti\u00eau chu\u1ea9n s\u1ebd kh\u00f4ng mang l\u1ea1i l\u1ee3i \u00edch g\u00ec. Tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb s\u1ebd \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i b\u00e3o h\u00f2a.<\/p>\n\n <h3>L\u1eafp \u00e2m t\u01b0\u1eddng so v\u1edbi l\u1eafp n\u1ed5i<\/h3>\n <p>C\u1ea3m bi\u1ebfn l\u1eafp ph\u1eb3ng (c\u00f3 l\u1edbp ch\u1eafn) n\u1eb1m ngang b\u1eb1ng v\u1edbi b\u1ec1 m\u1eb7t kim lo\u1ea1i xung quanh; l\u1edbp kim lo\u1ea1i bao quanh s\u1ebd l\u00e0m suy gi\u1ea3m tr\u01b0\u1eddng c\u1ea3m bi\u1ebfn. Khi \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch, c\u00e1c m\u1eabu c\u1ea3m bi\u1ebfn l\u1eafp ph\u1eb3ng th\u01b0\u1eddng m\u1ea5t th\u00eam 15\u201330% ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng h\u1eefu \u00edch so v\u1edbi ti\u1ec1m n\u0103ng trong \u0111i\u1ec1u ki\u1ec7n tr\u01b0\u1eddng m\u1edf. C\u00e1c phi\u00ean b\u1ea3n kh\u00f4ng ph\u1eb3ng (kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn) c\u00f3 c\u00f9ng \u0111\u01b0\u1eddng k\u00ednh th\u00e2n ban \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 c\u00f3 ph\u1ea1m vi d\u00e0i h\u01a1n, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea1n s\u1ebd th\u1ea5y c\u1ea3 M12 \u201c2 mm\u201d v\u00e0 \u201c4 mm\u201d trong c\u00f9ng m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m trong danh m\u1ee5c. \u201cLo\u1ea1i ph\u1eb3ng an to\u00e0n h\u01a1n v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc\u201d l\u00e0 \u0111\u00fang; \u201clo\u1ea1i ph\u1eb3ng l\u00e0m gi\u1ea3m ph\u1ea1m vi\u201d l\u00e0 \u0111i\u1ec1u m\u00e0 c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean l\u1eafp \u0111\u1eb7t th\u01b0\u1eddng qu\u00ean cho \u0111\u1ebfn khi \u0111i\u1ec3m k\u00edch ho\u1ea1t kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n\n <h3>Nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p ngu\u1ed3n v\u00e0 nhi\u1ec5u \u0111i\u1ec7n<\/h3>\n <p>Kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c \u0111\u01b0\u1ee3c \u0111o \u1edf nhi\u1ec7t \u0111\u1ed9 23 \u00b1 5 \u00b0C v\u00e0 \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c. Ngo\u00e0i ph\u1ea1m vi n\u00e0y, c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed s\u1ebd b\u1ecb l\u1ec7ch: theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, m\u1ee9c t\u1ed5n th\u1ea5t \u01b0\u1edbc t\u00ednh kho\u1ea3ng 10\u201320% khi nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 60 \u00b0C, \u0111\u1ed3ng th\u1eddi ph\u1ea3n \u1ee9ng c\u0169ng ch\u1eadm h\u01a1n khi nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi \u221210 \u00b0C. \u0110i\u1ec7n \u00e1p n\u1eb1m trong kho\u1ea3ng \u00b110% so v\u1edbi \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c l\u00e0 m\u1ed9t <em>\u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft<\/em> c\u1ee7a th\u1eed nghi\u1ec7m, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 bi\u00ean \u0111\u1ed9 an to\u00e0n. Ngo\u00e0i ra, nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (b\u1ed9 bi\u1ebfn t\u1ea7n, h\u00e0n, \u0111\u1ed9ng c\u01a1 c\u00f4ng su\u1ea5t cao) c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t \u0111i h\u01a1n 30% kho\u1ea3ng c\u00e1ch hi\u1ec7u d\u1ee5ng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, k\u00e8m theo c\u00e1c tr\u01b0\u1eddng h\u1ee3p k\u00edch ho\u1ea1t sai ng\u1eaft qu\u00e3ng.<\/p>\n <p>Ph\u1ea7n nh\u00e2n s\u1ed1 ch\u00ednh l\u00e0 \u0111i\u1ec1u khi\u1ebfn m\u1ecdi ng\u01b0\u1eddi ng\u1ea1c nhi\u00ean. M\u1ed9t m\u1ee5c ti\u00eau b\u1eb1ng nh\u00f4m (\u00d70,4) tr\u00ean c\u1ea3m bi\u1ebfn x\u1ea3 n\u01b0\u1edbc trong m\u1ed9t khoang k\u00edn \u1ea5m (\u00d70,8) g\u1ea7n b\u1ed9 bi\u1ebfn t\u1ea7n (VFD) (\u00d70,9) kh\u00f4ng l\u00e0m m\u1ea5t \u0111i 30%: n\u00f3 v\u1eabn gi\u1eef l\u1ea1i kho\u1ea3ng 0,4 \u00d7 0,8 \u00d7 0,9 \u2248 <strong>29%<\/strong> so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c. C\u1ea3m bi\u1ebfn 8 mm b\u1ed7ng ch\u1ed1c tr\u1edf th\u00e0nh c\u1ea3m bi\u1ebfn 2,3 mm, v\u00e0 n\u00f3 ch\u01b0a bao gi\u1edd b\u1ecb l\u1ed7i.<\/p>\n\n <div class=\"rich-callout rich-callout-warning\">\n <svg class=\"rich-callout-icon\" width=\"22\" height=\"22\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3\"\/><path d=\"M12 9v4\"\/><path d=\"M12 17h.01\"\/><\/svg>\n <p class=\"rich-callout-text\">C\u00e1c b\u1ea3ng h\u1ec7 s\u1ed1 ch\u1ec9 l\u00e0 c\u00e1c gi\u00e1 tr\u1ecb tham kh\u1ea3o, kh\u00f4ng ph\u1ea3i l\u00e0 cam k\u1ebft d\u00e0nh ri\u00eang cho t\u1eebng m\u1eabu s\u1ea3n ph\u1ea9m: ch\u00fang thay \u0111\u1ed5i t\u00f9y theo thi\u1ebft k\u1ebf b\u1ed9 dao \u0111\u1ed9ng. Khi mua h\u00e0ng, h\u00e3y y\u00eau c\u1ea7u d\u1eef li\u1ec7u hi\u1ec7u ch\u1ec9nh d\u00e0nh ri\u00eang cho m\u1eabu s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3 \u0111\u00f3 c\u00f9ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m l\u00e0m c\u01a1 s\u1edf cho kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n <\/div>\n\n <h2>C\u00e1ch ch\u1ecdn kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn ph\u00f9 h\u1ee3p, t\u1eebng b\u01b0\u1edbc m\u1ed9t<\/h2>\n <p>Vi\u1ec7c l\u1ef1a ch\u1ecdn l\u00e0 qu\u00e1 tr\u00ecnh gi\u1ea3m c\u00f4ng su\u1ea5t theo chu\u1ed7i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i: b\u1eaft \u0111\u1ea7u t\u1eeb kho\u1ea3ng c\u00e1ch m\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c s\u1ef1 c\u1ea7n, chia cho h\u1ec7 s\u1ed1 m\u1ee5c ti\u00eau, sau \u0111\u00f3 ch\u1eeba l\u1ea1i bi\u00ean \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n <!-- BP-1: memory-hook signature (inverse solid) \u2014 upgrades the 60\u201370% highlight -->\n <div class=\"bp-1-margin\">\n <p class=\"bp-1-eyebrow\"><span class=\"bp-1-eyebrow-icon\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"m12 14 4-4\"\/><path d=\"M3.34 19a10 10 0 1 1 17.32 0\"\/><\/svg><\/span>Quy t\u1eafc bi\u00ean \u0111\u1ed9<\/p>\n <p class=\"bp-1-title\">L\u1eafp \u0111\u1eb7t t\u1ea1i v\u1ecb tr\u00ed 60\u201370% c\u1ee7a kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn \u0111\u1ecbnh m\u1ee9c. V\u00f9ng \u0111\u00f3 ch\u00ednh l\u00e0 n\u01a1i \u0111i\u1ec3m chuy\u1ec3n m\u1ea1ch th\u1ef1c s\u1ef1 n\u1eb1m.<\/p>\n <div class=\"bp-1-row\">\n <div class=\"bp-1-cell\"><span class=\"bp-1-num\">60\u201370%<\/span><span class=\"bp-1-num-label\">l\u01b0\u1ee3ng Sn \u0111\u1ecbnh m\u1ee9c \u2014 m\u1ee5c ti\u00eau l\u1eafp \u0111\u1eb7t c\u1ee7a b\u1ea1n<\/span><\/div>\n <div class=\"bp-1-divider\"><\/div>\n <p class=\"bp-1-note\">Trong v\u00f9ng n\u00e0y, t\u00edn hi\u1ec7u m\u1ea1nh v\u00e0 \u0111i\u1ec3m chuy\u1ec3n m\u1ea1ch \u1ed5n \u0111\u1ecbnh. T\u1ea1i ranh gi\u1edbi \u0111\u1ecbnh m\u1ee9c, s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 v\u00e0 rung \u0111\u1ed9ng g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng chuy\u1ec3n m\u1ea1ch kh\u00f4ng li\u00ean t\u1ee5c.<\/p>\n <\/div>\n <p class=\"bp-1-foot\">Kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c l\u00e0 gi\u00e1 tr\u1ecb tham kh\u1ea3o. V\u00f9ng 60\u201370% l\u00e0 s\u1ed1 hi\u1ec7u thi\u1ebft k\u1ebf.<\/p>\n <\/div>\n\n <h3>Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh ng\u01b0\u1ee3c ba b\u01b0\u1edbc<\/h3>\n <ol>\n <li><strong>H\u00e3y n\u00eau r\u00f5 y\u00eau c\u1ea7u th\u1ef1c t\u1ebf.<\/strong> Kho\u1ea3ng c\u00e1ch m\u00e0 m\u1ee5c ti\u00eau th\u1ef1c s\u1ef1 di chuy\u1ec3n \/ kho\u1ea3ng c\u00e1ch m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 duy tr\u00ec tr\u00ean th\u1ef1c t\u1ebf, ch\u1ee9 kh\u00f4ng ph\u1ea3i con s\u1ed1 m\u00e0 m\u1ed9t \u0111\u1ed3ng nghi\u1ec7p \u201ccho r\u1eb1ng m\u00e1y m\u00f3c c\u1ea7n\u201d.\u201d<\/li>\n <li><strong>Chia cho h\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh c\u1ee7a m\u1ee5c ti\u00eau.<\/strong> Th\u00e9p \u00f71,0; nh\u00f4m \u00f70,4 (s\u1eed d\u1ee5ng gi\u00e1 tr\u1ecb th\u1ea5p nh\u1ea5t trong kho\u1ea3ng n\u00e0y); th\u00e9p kh\u00f4ng g\u1ec9 austenit \u00f70,6 ho\u1eb7c k\u00e9m h\u01a1n.<\/li>\n <li><strong>Chia cho 0,60\u20130,70 \u0111\u1ec3 t\u00ednh t\u1ef7 su\u1ea5t l\u1ee3i nhu\u1eadn<\/strong>, sau \u0111\u00f3 l\u00e0m tr\u00f2n l\u00ean b\u1eadc g\u1ea7n nh\u1ea5t trong b\u1ea3ng gi\u00e1.<\/li>\n <\/ol>\n <p>V\u00ed d\u1ee5 minh h\u1ecda: M\u1ed9t l\u00e1 c\u1edd b\u1eb1ng th\u00e9p ph\u1ea3i k\u00edch ho\u1ea1t m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady \u1edf m\u1ee9c 6 mm. B\u01b0\u1edbc 2 l\u00e0 6 \u00f7 1,0 = 6; b\u01b0\u1edbc 3 l\u00e0 6 \u00f7 0,65 \u2248 9,2 mm (gi\u00e1 tr\u1ecb \u0111\u1ecbnh m\u1ee9c). M\u1ed9t vi\u00ean \u0111\u1ea1n M18 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ecbnh m\u1ee9c 8 mm s\u1ebd n\u1eb1m ngay tr\u00ean ranh gi\u1edbi. L\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n M18 c\u00f3 chi\u1ec1u d\u00e0i l\u1edbn h\u01a1n (kh\u00f4ng ph\u1eb3ng) ho\u1eb7c c\u1ea3m bi\u1ebfn M30 c\u00f3 d\u1ea3i \u0111o 10\u201315 mm. C\u00e1ch t\u00ednh to\u00e1n n\u00e0y c\u0169ng gi\u1ea3i th\u00edch cho cu\u1ed9c tr\u00f2 chuy\u1ec7n kinh \u0111i\u1ec3n gi\u1eefa nh\u00e0 ph\u00e2n ph\u1ed1i v\u00e0 kh\u00e1ch h\u00e0ng: m\u1ee5c ti\u00eau b\u1eb1ng nh\u00f4m, c\u1ea7n \u2019kho\u1ea3ng 8 mm\u201c \u2192 8 \u00f7 0,4 \u00f7 0,65 \u2248 31 mm, \u0111i\u1ec1u m\u00e0 kh\u00f4ng c\u00f3 c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng M30 ti\u00eau chu\u1ea9n n\u00e0o \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c. C\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c l\u00e0 m\u1ed9t m\u1eabu c\u1ea3m bi\u1ebfn ph\u1ea1m vi m\u1edf r\u1ed9ng ho\u1eb7c h\u1ec7 s\u1ed1 1 (ph\u1ed5 th\u00f4ng), m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf t\u1eeb t\u00ednh ho\u1eb7c quang \u0111i\u1ec7n, ho\u1eb7c m\u1ed9t khe l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u1ea1i. Vi\u1ec7c t\u00ednh to\u00e1n ng\u01b0\u1ee3c t\u1ed3n t\u1ea1i \u0111\u1ec3 cho b\u1ea1n bi\u1ebft \u201dlo\u1ea1i c\u1ea3m bi\u1ebfn n\u00e0y kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c\u201c tr\u01b0\u1edbc khi b\u1ea1n giao h\u00e0ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i sau \u0111\u00f3.<\/p>\n\n <div class=\"rich-steps\">\n <p class=\"rich-steps-title\"><span class=\"rich-steps-icon\"><svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"6\" cy=\"19\" r=\"3\"\/><path d=\"M9 19h8.5a3.5 3.5 0 0 0 0-7h-11a3.5 3.5 0 0 1 0-7H15\"\/><circle cx=\"18\" cy=\"5\" r=\"3\"\/><\/svg><\/span>Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh ng\u01b0\u1ee3c<\/p>\n <div class=\"rich-steps-row\"><span class=\"rich-steps-chip\">1<\/span><p class=\"rich-steps-text\">K\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf (mm)<\/p><\/div>\n <div class=\"rich-steps-row\"><span class=\"rich-steps-chip\">2<\/span><p class=\"rich-steps-text\">\u00f7 h\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh m\u1ee5c ti\u00eau (th\u00e9p 1,0 \/ th\u00e9p kh\u00f4ng g\u1ec9 0,6\u20131,0 \/ nh\u00f4m 0,3\u20130,45 \/ \u0111\u1ed3ng 0,25\u20130,45)<\/p><\/div>\n <div class=\"rich-steps-row\"><span class=\"rich-steps-chip\">3<\/span><p class=\"rich-steps-text\">\u00f7 bi\u00ean \u0111\u1ed9 0,60\u20130,70<\/p><\/div>\n <div class=\"rich-steps-result\"><svg class=\"rich-steps-result-icon\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><p class=\"rich-steps-result-text\">L\u00e0m tr\u00f2n l\u00ean m\u1ee9c x\u1ebfp h\u1ea1ng g\u1ea7n nh\u1ea5t trong danh m\u1ee5c<\/p><\/div>\n <\/div>\n\n <h3>Quy m\u00f4 nh\u00e0 \u1edf v\u00e0 thang \u0111i\u1ec3m \u0111\u00e1nh gi\u00e1<\/h3>\n <p>Kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u01b0\u1eddng k\u00ednh th\u00e2n, b\u1edfi v\u00ec cu\u1ed9n d\u00e2y ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u01b0\u1eddng k\u00ednh th\u00e2n. C\u00e1c b\u01b0\u1edbc ti\u00eau chu\u1ea9n trong danh m\u1ee5c d\u00e0nh cho c\u00e1c lo\u1ea1i h\u00ecnh tr\u1ee5 c\u00f3 l\u1edbp ch\u1eafn th\u01b0\u1eddng t\u1eadp trung quanh: <strong>M8 \u2248 1\u20132 mm, M12 \u2248 2\u20134 mm, M18 \u2248 5\u20138 mm, M30 \u2248 10\u201315 mm<\/strong>; c\u00e1c phi\u00ean b\u1ea3n kh\u00f4ng ph\u1eb3ng v\u00e0 t\u1ea7m xa c\u00f3 t\u1ea7m v\u1edbi xa h\u01a1n \u1edf m\u1ecdi k\u00edch th\u01b0\u1edbc. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u ghi m\u00e3 kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c v\u00e0o h\u1eadu t\u1ed1 c\u1ee7a m\u1eabu (\u2026-1,5, \u2026-4, \u2026-8, \u2026-15), do \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u1ecdc danh m\u1ee5c s\u1ea3n ph\u1ea9m nh\u01b0 m\u1ed9t thang \u0111o: c\u00f9ng th\u00e2n c\u1ea3m bi\u1ebfn, h\u1eadu t\u1ed1 cao h\u01a1n = t\u1ea7m v\u1edbi xa h\u01a1n, th\u00e2n c\u1ea3m bi\u1ebfn l\u1edbn h\u01a1n = t\u1ea7m v\u1edbi xa h\u01a1n. N\u1ebfu k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n ng\u01b0\u1ee3c n\u1eb1m ngo\u00e0i ph\u1ea1m vi c\u1ee7a \u201cthang \u0111o\u201d ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian b\u1ea1n c\u00f3, gi\u1ea3i ph\u00e1p l\u00e0 s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn kh\u00f4ng l\u1eafp \u00e2m t\u01b0\u1eddng, ph\u1ea1m vi m\u1edf r\u1ed9ng\/h\u1ec7 s\u1ed1 1, ho\u1eb7c m\u1ed9t c\u00f4ng ngh\u1ec7 kh\u00e1c t\u1eeb b\u1ea3ng tham kh\u1ea3o trong ph\u1ea7n 2, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u1ea3m bi\u1ebfn \u201c\u0111\u1eb7c bi\u1ec7t\u201d.<\/p>\n\n <h3>Gi\u1edbi h\u1ea1n: d\u00e0i h\u01a1n kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 t\u1ed1t h\u01a1n<\/h3>\n <p>H\u00e3y ki\u1ec1m ch\u1ebf ph\u1ea3n x\u1ea1 mu\u1ed1n mua c\u1ea3m bi\u1ebfn c\u00f3 kho\u1ea3ng c\u00e1ch ho\u1ea1t \u0111\u1ed9ng danh \u0111\u1ecbnh d\u00e0i nh\u1ea5t m\u00e0 v\u1eabn v\u1eeba v\u1eb7n. C\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng c\u00f3 v\u00f9ng ranh gi\u1edbi t\u00edn hi\u1ec7u y\u1ebfu g\u1ea7n gi\u1edbi h\u1ea1n danh \u0111\u1ecbnh, n\u01a1i kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u gi\u1ea3m s\u00fat: m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 kho\u1ea3ng c\u00e1ch danh \u0111\u1ecbnh 15 mm, ho\u1ea1t \u0111\u1ed9ng c\u1ef1c k\u1ef3 \u1ed5n \u0111\u1ecbnh \u1edf 10 mm, c\u00f3 th\u1ec3 chuy\u1ec3n m\u1ea1ch kh\u00f4ng li\u00ean t\u1ee5c \u1edf 14 mm khi nhi\u1ec7t \u0111\u1ed9 dao \u0111\u1ed9ng. \u0110\u1ed9 l\u1eb7p l\u1ea1i, t\u1ee9c l\u00e0 k\u00edch ho\u1ea1t t\u1ea1i c\u00f9ng m\u1ed9t \u0111i\u1ec3m trong m\u1ed7i chu k\u1ef3, l\u00e0 \u0111i\u1ec1u m\u00e0 m\u00e1y m\u00f3c th\u1ef1c s\u1ef1 c\u1ea7n, v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i n\u00e0y n\u1eb1m trong v\u00f9ng 60\u201370%. N\u1ebfu t\u00ednh to\u00e1n ng\u01b0\u1ee3c l\u1ea1i cho th\u1ea5y bi\u00ean \u0111\u1ed9 an to\u00e0n nh\u1ecf h\u01a1n m\u1ee9c \u0111\u00f3, h\u00e3y n\u00e2ng c\u1ea5p l\u00ean m\u1ed9t c\u1ea5p \u0111\u1ecbnh m\u1ee9c thay v\u00ec v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb hi\u1ec7n t\u1ea1i \u1edf gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3.<\/p>\n\n <h2>Mua thi\u1ebft b\u1ecb quang h\u1ecdc \u0111\u00e1ng tin c\u1eady: Nh\u1eefng c\u00e2u h\u1ecfi c\u1ea7n \u0111\u1eb7t ra cho nh\u00e0 cung c\u1ea5p<\/h2>\n <p>Hai c\u1ea3m bi\u1ebfn c\u00f9ng \u0111\u01b0\u1ee3c ghi l\u00e0 \u201c8 mm\u201d c\u00f3 th\u1ec3 c\u00f3 m\u1ee9c gi\u00e1 ch\u00eanh l\u1ec7ch r\u1ea5t l\u1edbn. M\u1ee9c gi\u00e1 cao h\u01a1n ph\u1ea3n \u00e1nh nh\u1eefng y\u1ebfu t\u1ed1 \u0111i k\u00e8m con s\u1ed1 \u0111\u00f3: c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c n\u00eau r\u00f5, d\u1eef li\u1ec7u hi\u1ec7u ch\u1ec9nh ri\u00eang cho t\u1eebng m\u1eabu s\u1ea3n ph\u1ea9m, v\u00e0 t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea7n c\u1ee9ng. Khi so s\u00e1nh c\u00e1c nh\u00e0 cung c\u1ea5p, h\u00e3y coi b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 ch\u00ednh s\u1ea3n ph\u1ea9m. H\u00e3y t\u1eeb ch\u1ed1i b\u1ea5t k\u1ef3 b\u00e1o gi\u00e1 n\u00e0o kh\u00f4ng th\u1ec3 tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c:<\/p>\n\n <div class=\"rich-checklist\">\n <p class=\"rich-checklist-title\"><span class=\"rich-checklist-icon\"><svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"m3 17 2 2 4-4\"\/><path d=\"m3 7 2 2 4-4\"\/><path d=\"M13 6h8\"\/><path d=\"M13 12h8\"\/><path d=\"M13 18h8\"\/><\/svg><\/span>N\u00ean h\u1ecfi nh\u1eefng g\u00ec<\/p>\n <div class=\"rich-checklist-item\"><svg class=\"rich-checklist-check\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><p class=\"rich-checklist-text\">Y\u00eau c\u1ea7u cung c\u1ea5p m\u1eabu th\u1eed ti\u00eau chu\u1ea9n \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c (v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y, k\u00edch th\u01b0\u1edbc t\u1ea5m)<\/p><\/div>\n <div class=\"rich-checklist-item\"><svg class=\"rich-checklist-check\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><p class=\"rich-checklist-text\">H\u00e3y h\u1ecfi d\u1ea3i dung sai c\u1ee7a gi\u00e1 tr\u1ecb \u0111\u1ecbnh m\u1ee9c l\u00e0 bao nhi\u00eau (th\u01b0\u1eddng l\u00e0 \u00b110%)<\/p><\/div>\n <div class=\"rich-checklist-item\"><svg class=\"rich-checklist-check\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><p class=\"rich-checklist-text\">H\u00e3y h\u1ecfi xem h\u1eadu t\u1ed1 m\u00f4 h\u00ecnh m\u00e3 h\u00f3a kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u01b0 th\u1ebf n\u00e0o<\/p><\/div>\n <div class=\"rich-checklist-item\"><svg class=\"rich-checklist-check\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><p class=\"rich-checklist-text\">H\u00e3y h\u1ecfi xem c\u00e1c h\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh cho nh\u00f4m \/ \u0111\u1ed3ng \/ th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 cho m\u1eabu s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3 n\u00e0y hay kh\u00f4ng<\/p><\/div>\n <div class=\"rich-checklist-item\"><svg class=\"rich-checklist-check\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><p class=\"rich-checklist-text\">H\u00e3y h\u1ecfi xem c\u00f3 c\u1ea3 phi\u00ean b\u1ea3n ph\u1eb3ng v\u00e0 kh\u00f4ng ph\u1eb3ng v\u1edbi c\u00f9ng k\u00edch th\u01b0\u1edbc th\u00e2n hay kh\u00f4ng<\/p><\/div>\n <div class=\"rich-checklist-item\"><svg class=\"rich-checklist-check\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg><p class=\"rich-checklist-text\">H\u00e3y h\u1ecfi xem \u0111\u01a1n h\u00e0ng \u0111i k\u00e8m nh\u1eefng t\u00e0i li\u1ec7u n\u00e0o (b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m, ch\u1ee9ng ch\u1ec9, d\u1eef li\u1ec7u \u0111\u1ea5u d\u00e2y)<\/p><\/div>\n <\/div>\n\n <p>M\u1ed9t nh\u00e0 cung c\u1ea5p tr\u1ea3 l\u1eddi d\u1ef1a tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u00ec \u0111ang \u0111\u01b0a ra cho b\u1ea1n m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. M\u1ed9t nh\u00e0 cung c\u1ea5p tr\u1ea3 l\u1eddi d\u1ef1a tr\u00ean tr\u00ed nh\u1edb th\u00ec \u0111ang \u0111\u01b0a ra cho b\u1ea1n m\u1ed9t l\u1eddi h\u1ee9a.<\/p>\n\n <h2>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng: Khi qu\u00e1 tr\u00ecnh ph\u00e1t hi\u1ec7n ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/h2>\n <p>C\u1ea3m bi\u1ebfn m\u00e0 \u201ctr\u01b0\u1edbc \u0111\u00e2y v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng\u201d nh\u01b0ng gi\u1edd \u0111\u00e2y l\u1ea1i b\u1ecf l\u1ee1 c\u00e1c t\u00edn hi\u1ec7u k\u00edch ho\u1ea1t th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n. Qu\u00e1 tr\u00ecnh ch\u1ea9n \u0111o\u00e1n \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1eeb m\u1ee5c ti\u00eau ra ngo\u00e0i, v\u00e0 ch\u1ec9 \u0111\u1ebfn b\u01b0\u1edbc cu\u1ed1i c\u00f9ng m\u1edbi x\u00e1c \u0111\u1ecbnh c\u00f4ng t\u1eafc l\u00e0 nguy\u00ean nh\u00e2n:<\/p>\n <ol>\n <li><strong>H\u01b0\u1edbng t\u1edbi s\u1ef1 nh\u1ea5t qu\u00e1n.<\/strong> M\u1ee5c ti\u00eau c\u00f3 thay \u0111\u1ed5i kh\u00f4ng: lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c, di\u1ec7n t\u00edch nh\u1ecf h\u01a1n, hao m\u00f2n, hay l\u00e1 c\u1edd b\u1ecb cong? M\u1ed9t l\u1ea7n, m\u1ed9t m\u00e1y in \u0111\u00e3 m\u1ea5t m\u1ed9t trong hai m\u1ee5c ti\u00eau tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau; c\u00e1ch kh\u1eafc ph\u1ee5c l\u00e0 l\u00e0m l\u1ea1i c\u00e1c l\u00e1 c\u1edd m\u1ee5c ti\u00eau, ch\u1ee9 kh\u00f4ng ph\u1ea3i thay th\u1ebf c\u1ea3m bi\u1ebfn. Kh\u1ed1i l\u01b0\u1ee3ng ph\u00e1t hi\u1ec7n c\u00f3 h\u00ecnh d\u1ea1ng g\u1ea7n gi\u1ed1ng hoa tulip, v\u00e0 m\u1ed9t thay \u0111\u1ed5i nh\u1ecf v\u1ec1 di\u1ec7n t\u00edch m\u1ee5c ti\u00eau s\u1ebd l\u00e0m d\u1ecbch chuy\u1ec3n \u0111i\u1ec3m ph\u00e1t hi\u1ec7n b\u00ean h\u00f4ng xa h\u01a1n nhi\u1ec1u so v\u1edbi nh\u1eefng g\u00ec tr\u1ef1c gi\u00e1c cho th\u1ea5y. S\u1ef1 thay \u0111\u1ed5i kho\u1ea3ng c\u00e1ch 0,5 mm c\u00f3 th\u1ec3 l\u00e0m d\u1ecbch chuy\u1ec3n \u0111i\u1ec3m k\u00edch ho\u1ea1t b\u00ean h\u00f4ng \u0111i m\u1ed9t milimet.<\/li>\n <li><strong>Kho\u1ea3ng c\u00e1ch v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t.<\/strong> Rung \u0111\u1ed9ng l\u00e0m l\u1ecfng c\u00e1c gi\u00e1 \u0111\u1ee1 v\u00e0 khi\u1ebfn khe h\u1edf d\u1ea7n m\u1edf r\u1ed9ng v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m k\u00edch ho\u1ea1t. H\u00e3y ki\u1ec3m tra l\u1ea1i khe h\u1edf \u0111\u00e3 l\u1eafp \u0111\u1eb7t so v\u1edbi c\u00e0i \u0111\u1eb7t ban \u0111\u1ea7u, ch\u1ee9 kh\u00f4ng ph\u1ea3i so v\u1edbi b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/li>\n <li><strong>M\u00f4i tr\u01b0\u1eddng.<\/strong> Bi\u1ebfn t\u1ea7n (VFD) m\u1edbi, m\u00e1y h\u00e0n, t\u1ee7 \u0111i\u1ec7n n\u00f3ng, b\u1ee5i kim lo\u1ea1i? B\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o trong s\u1ed1 n\u00e0y c\u0169ng \u0111\u1ec1u l\u00e0m gi\u1ea3m kho\u1ea3ng c\u00e1ch hi\u1ec7u d\u1ee5ng m\u1ed9t c\u00e1ch \u00e2m th\u1ea7m (c\u00e1c con s\u1ed1 \u0111\u01b0\u1ee3c n\u00eau trong ph\u1ea7n gi\u1ea3m c\u00f4ng su\u1ea5t \u1edf tr\u00ean).<\/li>\n <li><strong>B\u1ea3n th\u00e2n c\u1ea3m bi\u1ebfn \u2014 cu\u1ed1i c\u00f9ng.<\/strong> H\u00e3y th\u1eed nghi\u1ec7m thi\u1ebft b\u1ecb n\u00e0y v\u1edbi m\u1ed9t m\u1ee5c ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p: m\u1ed9t mi\u1ebfng th\u00e9p tr\u01a1n, ph\u1eb3ng v\u00e0 c\u00f3 di\u1ec7n t\u00edch r\u1ed9ng r\u00e3i. N\u1ebfu thi\u1ebft b\u1ecb k\u00edch ho\u1ea1t \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n b\u1eb1ng kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c khi th\u1eed tr\u00ean th\u00e9p, th\u00ec c\u1ea3m bi\u1ebfn v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf \u1ee9ng d\u1ee5ng.<\/li>\n <\/ol>\n <p>Hai th\u00f3i quen khi\u1ebfn t\u00ecnh h\u00ecnh tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n. Vi\u1ec7c l\u1ea5p \u0111\u1ea7y khe h\u1edf b\u1eb1ng m\u1ed9t t\u1ea5m kim lo\u1ea1i (m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ea1m th\u1eddi th\u1ef1c t\u1ebf th\u01b0\u1eddng th\u1ea5y tr\u00ean d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t) s\u1ebd che gi\u1ea5u s\u1ef1 m\u1ea5t m\u00e1t v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u1ef1 c\u1ed1 ti\u1ebfp theo. C\u00f2n vi\u1ec7c v\u1eadn h\u00e0nh c\u1ea3m bi\u1ebfn \u1edf r\u00eca ph\u1ea1m vi \u0111\u1ecbnh m\u1ee9c ch\u1ec9 v\u00ec \u201cn\u00f3 g\u1ea7n nh\u01b0 v\u1eabn ho\u1ea1t \u0111\u1ed9ng\u201d s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u1ea3nh b\u00e1o gi\u00e1n \u0111o\u1ea1n s\u1ebd ti\u1ebfp t\u1ee5c x\u1ea3y ra. N\u1ebfu kh\u00f4ng gian \u0111i\u1ec1u ch\u1ec9nh c\u01a1 h\u1ecdc th\u1ef1c s\u1ef1 \u0111\u00e3 c\u1ea1n ki\u1ec7t, gi\u1ea3i ph\u00e1p l\u00e0 s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m c\u00f9ng \u0111\u01b0\u1eddng k\u00ednh nh\u01b0ng c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cao h\u01a1n trong ph\u1ea7n l\u1ef1a ch\u1ecdn: c\u00f9ng lo\u1ea1i ren, c\u00f9ng h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn, nh\u01b0ng c\u00f3 bi\u00ean \u0111\u1ed9 an to\u00e0n l\u1edbn h\u01a1n.<\/p>\n\n <h2>Qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho v\u00e0 b\u00e1o gi\u00e1 d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn: C\u1ea9m nang d\u00e0nh cho \u0111\u1ea1i l\u00fd<\/h2>\n <p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i, chu\u1ed7i gi\u1ea3m th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1ec1 h\u00e0ng tr\u1ea3 l\u1ea1i \u0111\u01b0\u1ee3c ng\u1ee5y trang. H\u1ea7u h\u1ebft c\u00e1c khi\u1ebfu n\u1ea1i v\u1ec1 \u201ckho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn qu\u00e1 ng\u1eafn\u201d kh\u00f4ng ph\u1ea3i do h\u00e0ng h\u00f3a b\u1ecb l\u1ed7i. \u0110\u00f3 l\u00e0 s\u1ef1 kh\u00f4ng kh\u1edbp trong \u0111\u01a1n \u0111\u1eb7t h\u00e0ng: kh\u00e1ch h\u00e0ng y\u00eau c\u1ea7u \u201c8 mm\u201d \u2013 t\u1ee9c l\u00e0 y\u00eau c\u1ea7u th\u1ef1c t\u1ebf \u0111\u1ed1i v\u1edbi m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 c\u1ee7a h\u1ecd \u2013 nh\u01b0ng \u0111\u01a1n h\u00e0ng l\u1ea1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ecbnh m\u1ee9c. Gi\u1ea3i ph\u00e1p ch\u1ec9 c\u1ea7n m\u1ed9t c\u00e2u h\u1ecfi v\u00e0 m\u1ed9t ph\u00e9p t\u00ednh ngay t\u1eeb giai \u0111o\u1ea1n b\u00e1o gi\u00e1.<\/p>\n <p>Tr\u01b0\u1edbc ti\u00ean, h\u00e3y h\u1ecfi v\u1ec1 v\u1eadt li\u1ec7u m\u1ee5c ti\u00eau. Sau \u0111\u00f3, h\u00e3y th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh ng\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u00e1o gi\u00e1, v\u00e0 n\u00f3i to l\u00ean: <em>\u201cKhi gia c\u00f4ng nh\u00f4m, b\u1ea1n c\u1ea7n m\u1ed9t c\u1ea3m bi\u1ebfn c\u00f3 k\u00edch th\u01b0\u1edbc danh \u0111\u1ecbnh kho\u1ea3ng 30 mm \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c 8 mm, v\u00ec v\u1eady \u0111\u00e2y l\u00e0 k\u00edch th\u01b0\u1edbc g\u1ea7n nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i c\u00f3 s\u1eb5n.\u201d<\/em> Vi\u1ec7c \u0111\u1ecbnh gi\u00e1 \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u kh\u00f4ng t\u1ed1n c\u1ee7a b\u1ea1n m\u1ed9t xu n\u00e0o; trong khi vi\u1ec7c g\u1eedi nh\u1ea7m s\u1ea3n ph\u1ea9m s\u1ebd khi\u1ebfn b\u1ea1n ph\u1ea3i ch\u1ecbu chi ph\u00ed tr\u1ea3 h\u00e0ng, ho\u00e0n ti\u1ec1n v\u00e0 m\u1ea5t \u0111i m\u1ed9t kh\u00e1ch h\u00e0ng gi\u1edd \u0111\u00e2y \u0111\u00e3 nghi ng\u1edd v\u1ec1 danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n.<\/p>\n <p>Vi\u1ec7c d\u1ef1 tr\u1eef h\u00e0ng c\u0169ng tu\u00e2n theo logic t\u01b0\u01a1ng t\u1ef1. Th\u1ecb tr\u01b0\u1eddng thay th\u1ebf v\u00e0 n\u00e2ng c\u1ea5p h\u1ea7u nh\u01b0 lu\u00f4n d\u1eabn \u0111\u1ebfn vi\u1ec7c <em>m\u1ee9c x\u1ebfp h\u1ea1ng cao h\u01a1n ti\u1ebfp theo v\u1edbi c\u00f9ng k\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3<\/em>: C\u1ea3m bi\u1ebfn c\u0169 v\u1eabn gi\u1eef nguy\u00ean \u0111\u01b0\u1eddng k\u00ednh ren v\u00e0 lo\u1ea1i \u0111\u1ea7u ra, nh\u01b0ng c\u1ea7n c\u00f3 kho\u1ea3ng h\u1edf l\u1edbn h\u01a1n.<\/p>\n\n <!-- BP-2: stock matrix (neutral card) -->\n <div class=\"bp-2-stock\">\n <p class=\"bp-2-title\"><span class=\"bp-2-title-icon\"><svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"m12.83 2.18a2 2 0 0 0-1.66 0L2.6 6.08a1 1 0 0 0 0 1.83l8.58 3.91a2 2 0 0 0 1.66 0l8.58-3.9a1 1 0 0 0 0-1.83Z\"\/><path d=\"m22 17.65-9.17 4.16a2 2 0 0 1-1.66 0L2 17.65\"\/><path d=\"m22 12.65-9.17 4.16a2 2 0 0 1-1.66 0L2 12.65\"\/><\/svg><\/span>Hai \u0111\u00e1nh gi\u00e1 cho m\u1ed7i c\u01a1 quan<\/p>\n <div class=\"bp-2-grid\">\n <div class=\"bp-2-cell\"><p class=\"bp-2-cell-name\">Th\u00e2n m\u00e1y M18<\/p><span class=\"bp-2-cell-nums\">5 mm v\u00e0 8 mm<\/span><p class=\"bp-2-cell-hint\">hai l\u01b0\u1ee3t \u0111\u00e1nh gi\u00e1, m\u1ed9t ch\u1ee7 \u0111\u1ec1<\/p><\/div>\n <div class=\"bp-2-cell\"><p class=\"bp-2-cell-name\">Th\u00e2n m\u00e1y M30<\/p><span class=\"bp-2-cell-nums\">10 mm v\u00e0 15 mm<\/span><p class=\"bp-2-cell-hint\">b\u01b0\u1edbc m\u1edf r\u1ed9ng ph\u1ea1m vi c\u1ea3i t\u1ea1o<\/p><\/div>\n <\/div>\n <p class=\"bp-2-foot\">C\u00f9ng \u0111\u01b0\u1eddng k\u00ednh ren, nh\u01b0ng c\u1ea5p \u0111\u1ed9 cao h\u01a1n m\u1ed9t b\u1eadc \u2014 \u0111\u00f3 ch\u00ednh l\u00e0 y\u00eau c\u1ea7u c\u1ee7a c\u00e1c d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o v\u00e0 n\u00e2ng c\u1ea5p.<\/p>\n <\/div>\n\n <p>K\u1ec7 h\u00e0ng ch\u1ec9 c\u00f3 m\u1ed9t m\u1ee9c \u0111\u00e1nh gi\u00e1 v\u00e0 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 t\u1eeb r\u1ebb nh\u1ea5t tr\u1edf l\u00ean ch\u00ednh l\u00e0 lo\u1ea1i h\u00e0ng t\u1ed3n kho kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u00e2ng c\u1ea5p.<\/p>\n <p>V\u00e0 b\u1edfi v\u00ec vi\u1ec7c l\u1ef1a ch\u1ecdn kho\u1ea3ng c\u00e1ch ch\u1ec9 l\u00e0 quy\u1ebft \u0111\u1ecbnh \u0111\u1ea7u ti\u00ean trong h\u1ea7u h\u1ebft c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng, n\u00ean c\u00e1c b\u1ed9 ph\u1eadn ti\u1ebfp theo (ngu\u1ed3n \u0111i\u1ec7n, r\u01a1le, c\u00f4ng t\u1eafc gi\u1edbi h\u1ea1n, c\u00e1c b\u1ed9 ph\u1eadn c\u00f2n l\u1ea1i c\u1ee7a t\u1ee7 \u0111i\u1ec1u khi\u1ec3n) \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00f9ng m\u1ed9t b\u00e1o gi\u00e1. \u0110\u00f3 ch\u00ednh l\u00e0 l\u00fac vi\u1ec7c ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t nh\u00e0 cung c\u1ea5p thay v\u00ec m\u01b0\u1eddi nh\u00e0 cung c\u1ea5p b\u1eaft \u0111\u1ea7u mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf.<\/p>\n <p><em>N\u1ebfu b\u1ea1n mu\u1ed1n c\u00f3 m\u1ed9t danh m\u1ee5c s\u1ea3n ph\u1ea9m m\u00e0 kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean m\u00e3 s\u1ea3n ph\u1ea9m, <a href=\"https:\/\/www.omch.com\/vi\/proximity-sensor\/\">D\u00f2ng s\u1ea3n ph\u1ea9m c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch c\u1ee7a ch\u00fang t\u00f4i<\/a> bao g\u1ed3m c\u00e1c d\u00f2ng c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng l\u1eafp \u00e2m v\u00e0 l\u1eafp n\u1ed5i v\u1edbi th\u00e2n h\u00ecnh tr\u1ee5 t\u1eeb c\u1ee1 M8 \u0111\u1ebfn M30, trong \u0111\u00f3 kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c \u0111\u01b0\u1ee3c ghi r\u00f5 tr\u00ean t\u1eebng m\u1eabu s\u1ea3n ph\u1ea9m v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c n\u00eau r\u00f5 tr\u00ean trang. Ch\u00fang t\u00f4i cung c\u1ea5p h\u01a1n 30 danh m\u1ee5c v\u00e0 h\u01a1n 3.000 m\u00e3 s\u1ea3n ph\u1ea9m (SKU) trong danh m\u1ee5c t\u1ef1 \u0111\u1ed9ng h\u00f3a, do \u0111\u00f3 c\u00e1c linh ki\u1ec7n kh\u00e1c trong c\u00f9ng m\u1ed9t \u0111\u01a1n h\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c giao t\u1eeb c\u00f9ng m\u1ed9t ngu\u1ed3n.<\/em><\/p>\n\n <!-- BP-cta-end: end conversion (inverse solid, colors: cta-states) -->\n <div class=\"bp-cta-end\">\n <svg class=\"bp-cta-end-icon\" width=\"28\" height=\"28\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><circle cx=\"12\" cy=\"12\" r=\"6\"\/><circle cx=\"12\" cy=\"12\" r=\"2\"\/><\/svg>\n <p class=\"bp-cta-end-title\">H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 bi\u1ebft th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau th\u1ef1c t\u1ebf<\/p>\n <p class=\"bp-cta-end-sub\">D\u00f2ng s\u1ea3n ph\u1ea9m c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u1ee7a ch\u00fang t\u00f4i n\u00eau r\u00f5 kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m cho t\u1eebng m\u1eabu, v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn l\u1eafp \u00e2m v\u00e0 l\u1eafp n\u1ed5i tr\u00ean th\u00e2n c\u1ea3m bi\u1ebfn t\u1eeb c\u1ee1 M8 \u0111\u1ebfn M30 \u2014 v\u00e0 c\u00e1c linh ki\u1ec7n t\u1ef1 \u0111\u1ed9ng h\u00f3a kh\u00e1c trong c\u00f9ng m\u1ed9t \u0111\u01a1n h\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p t\u1eeb c\u00f9ng m\u1ed9t b\u00e1o gi\u00e1.<\/p>\n <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/vi\/contact\/\" target=\"_self\">G\u1eedi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea3m bi\u1ebfn c\u1ee7a b\u1ea1n<svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14\"\/><path d=\"m12 5 7 7-7 7\"\/><\/svg><\/a>\n <\/div>\n\n <hr>\n <h2>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n <ol class=\"bd-refs\">\n <li>Pepperl+Fuchs. \u201c<a href=\"https:\/\/www.pepperl-fuchs.com\/en-us\/support\/knowledge-and-literature\/knowledge-bases-for-industrial-sensors\/knowledge-base-for-inductive-sensors\/detection-method-and-function\/operating-distance-as-central-characteristic-gp28808\" target=\"_blank\" rel=\"noopener\">Kho\u1ea3ng c\u00e1ch ho\u1ea1t \u0111\u1ed9ng l\u00e0 \u0111\u1eb7c t\u00ednh c\u1ed1t l\u00f5i \u2014 C\u01a1 s\u1edf ki\u1ebfn th\u1ee9c v\u1ec1 c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng<\/a>.\u201d Truy c\u1eadp th\u00e1ng 9 n\u0103m 2026.<\/li>\n <li>Balluff (Shawn Day). \u201c<a href=\"https:\/\/www.balluff.com\/en-us\/blog\/inductive-proximity-sensor-targets-material-does-matter\" target=\"_blank\" rel=\"noopener\">M\u1ee5c ti\u00eau c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u1ea3m \u1ee9ng \u2014 V\u1eadt li\u1ec7u th\u1ef1c s\u1ef1 quan tr\u1ecdng<\/a>.\u201d Ng\u00e0y 18 th\u00e1ng 6 n\u0103m 2024.<\/li>\n <li>Bedook. \u201c<a href=\"https:\/\/www.bedooksensors.com\/inductive-proximity-sensor-sensing-distance\/\" target=\"_blank\" rel=\"noopener\">Hi\u1ec3u v\u1ec1 kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn trong c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u1ea3m \u1ee9ng<\/a>.\u201d Th\u00e1ng 6 n\u0103m 2026.<\/li>\n <li>OMCH. \u201c<a href=\"https:\/\/www.omch.com\/vi\/proximity-sensor\/\" target=\"_blank\" rel=\"noopener\">C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn \u2014 D\u00f2ng c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng, \u0111i\u1ec7n dung v\u00e0 t\u1eeb t\u00ednh<\/a>.”<\/li>\n <li>OMCH. \u201c<a href=\"https:\/\/www.omch.com\/vi\/\" target=\"_blank\" rel=\"noopener\">C\u00f4ng ty TNHH C\u00f4ng ngh\u1ec7 T\u1ef1 \u0111\u1ed9ng h\u00f3a Zhejiang Hugong \u2014 Nh\u00e0 cung c\u1ea5p linh ki\u1ec7n t\u1ef1 \u0111\u1ed9ng h\u00f3a tr\u1ecdn g\u00f3i<\/a>.”<\/li>\n <\/ol>\n <\/article>\n<\/div>\n<!-- \u2191\u2191\u2191 Fragment ends here. \u2191\u2191\u2191 -->\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i th\u00edch v\u1ec1 kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn: Kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh m\u1ee9c so v\u1edbi kho\u1ea3ng c\u00e1ch th\u1ef1c t\u1ebf (v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn) M\u1ed9t b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ghi \u201c8 mm\u201d. Tuy nhi\u00ean, thi\u1ebft b\u1ecb trong x\u01b0\u1edfng c\u1ee7a b\u1ea1n l\u1ea1i k\u00edch ho\u1ea1t \u1ed5n \u0111\u1ecbnh \u1edf kho\u1ea3ng c\u00e1ch ch\u1ec9 b\u1eb1ng m\u1ed9t n\u1eeda con s\u1ed1 \u0111\u00f3. Tr\u01b0\u1edbc khi \u0111\u1ed5 l\u1ed7i cho c\u1ea3m bi\u1ebfn ho\u1eb7c nh\u00e0 cung c\u1ea5p, h\u00e3y t\u00ecm hi\u1ec3u xem con s\u1ed1 \u201c8 mm\u201d \u0111\u00f3 th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a nh\u01b0 th\u1ebf n\u00e0o. Kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn c\u1ee7a c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m r\u1ea5t c\u1ee5 th\u1ec3 [\u2026]<\/p>","protected":false},"author":4,"featured_media":12209,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"Proximity Sensor Sensing Distance: Rated vs. Real Range","_seopress_titles_desc":"Learn how proximity sensor sensing distance changes with target material, housing size, mounting and environmental conditions.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/comments?post=12206"}],"version-history":[{"count":1,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12206\/revisions"}],"predecessor-version":[{"id":12211,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/12206\/revisions\/12211"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media\/12209"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media?parent=12206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/categories?post=12206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/tags?post=12206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}