{"id":2501,"date":"2026-02-25T08:15:00","date_gmt":"2026-02-25T00:15:00","guid":{"rendered":"https:\/\/www.takebrakes.com\/?p=2501"},"modified":"2026-02-24T15:18:06","modified_gmt":"2026-02-24T07:18:06","slug":"industrial-brake-terminology-en-cn","status":"publish","type":"post","link":"https:\/\/www.takebrakes.com\/id\/industrial-brake-terminology-en-cn\/","title":{"rendered":"Terminologi Rem Industri (EN\u2013CN): Makna Praktis Caliper, Thruster, Lining, Air Gap, dan Lainnya"},"content":{"rendered":"\n<p>In international brake projects, many mistakes are not engineering mistakes\u2014they\u2019re language mistakes. A buyer says \u201ccaliper brake,\u201d but means a spring-applied fail-safe unit. A technician says \u201cair gap,\u201d but measures shoe clearance on a drum brake. A drawing says \u201cthruster,\u201d but procurement buys a hydraulic cylinder. These misunderstandings create wrong selection, wrong spares, and slow commissioning.<\/p>\n\n\n\n<p>This article provides a practical <strong>industrial brake terminology glossary<\/strong> (English to Chinese) focused on the words that most often cause confusion in cranes, conveyors, wind\/winch systems, and general heavy industry. Where product references are useful, we relate terms to our common brake series such as <a href=\"https:\/\/www.takebrakes.com\/ywz13-series-electric-hydraulic-drum-brake\/\"><strong>YWZ13 electro-hydraulic drum brakes<\/strong><\/a>, <a href=\"https:\/\/www.takebrakes.com\/sh-series-hydraulic-fail-safe-disc-brakes\/\"><strong>SH hydraulic fail-safe disc brakes<\/strong><\/a>, and <a href=\"https:\/\/www.takebrakes.com\/se-series-electromagnetic-fail-safe-brake\/\"><strong>SE electromagnetic fail-safe brakes<\/strong><\/a>.<\/p>\n\n\n\n<p><strong>[Image Placeholder]<\/strong> Diagram labeling key terms: caliper, disc, pads, air gap, brake-open switch, thruster, linkage, shoe, brake wheel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-use-this-glossary-so-it-helps-in-rfqs-and-commissioning\">How to use this glossary (so it helps in RFQs and commissioning)<\/h2>\n\n\n\n<p>For each term, we list:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>English term<\/strong> (common variations)<\/li>\n\n\n\n<li><strong>Chinese term(s)<\/strong> used in industry<\/li>\n\n\n\n<li><strong>Practical meaning<\/strong> (what you should verify)<\/li>\n\n\n\n<li><strong>Common confusion<\/strong> (what it is often mistaken for)<\/li>\n<\/ul>\n\n\n\n<p>If you frequently send RFQs, a good practice is to copy the <strong>exact term<\/strong> plus the <strong>parameter that defines it<\/strong> (e.g., \u201cfail-safe brake, spring applied, hydraulic released, release pressure ___ bar\u201d). That prevents \u201csame word, different product.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-core-brake-mechanism-terms\">Core brake mechanism terms<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>English<\/th><th>Chinese<\/th><th>Practical meaning<\/th><th>Common confusion<\/th><\/tr><\/thead><tbody><tr><td><strong>Brake<\/strong><\/td><td>\u5236\u52a8\u5668<\/td><td>Complete braking device (actuator + friction elements + structure)<\/td><td>\u201cFriction pad\u201d only<\/td><\/tr><tr><td><strong>Braking torque<\/strong><\/td><td>\u5236\u52a8\u529b\u77e9 \/ \u5236\u52a8\u626d\u77e9<\/td><td>Torque capability under defined conditions (temperature, lining, clearance)<\/td><td>Thermal capacity (not the same)<\/td><\/tr><tr><td><strong>Fail-safe brake<\/strong><\/td><td>\u5931\u7535\u5236\u52a8\u5668 \/ \u5e38\u95ed\u5236\u52a8\u5668 \/ \u5b89\u5168\u5236\u52a8\u5668<\/td><td>Applies when power is removed (spring-applied, power-released)<\/td><td>Any brake that \u201cseems safe\u201d<\/td><\/tr><tr><td><strong>Service brake<\/strong><\/td><td>\u5de5\u4f5c\u5236\u52a8\u5668<\/td><td>Used for routine deceleration during operation<\/td><td>Parking brake<\/td><\/tr><tr><td><strong>Parking brake<\/strong><\/td><td>\u9a7b\u8f66\u5236\u52a8\u5668 \/ \u505c\u8f66\u5236\u52a8\u5668<\/td><td>Used for holding at rest (often fail-safe)<\/td><td>Emergency brake<\/td><\/tr><tr><td><strong>Emergency brake<\/strong><\/td><td>\u7d27\u6025\u5236\u52a8\u5668<\/td><td>Used for abnormal events; higher energy per stop may apply<\/td><td>Normal service stop<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-disc-brake-terms-caliper-pads-rotor-disc\">Disc brake terms (caliper, pads, rotor\/disc)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>English<\/th><th>Chinese<\/th><th>Practical meaning<\/th><th>Common confusion<\/th><\/tr><\/thead><tbody><tr><td><strong>Caliper brake<\/strong><\/td><td>\u94b3\u76d8\u5f0f\u5236\u52a8\u5668 \/ \u76d8\u5f0f\u5236\u52a8\u94b3<\/td><td>Brake clamps a disc with pads inside a caliper<\/td><td>\u201cAny disc brake\u201d (some designs are not calipers)<\/td><\/tr><tr><td><strong>Disc \/ Rotor<\/strong><\/td><td>\u5236\u52a8\u76d8<\/td><td>Rotating friction component; geometry (runout\/finish) affects stability<\/td><td>Brake wheel (drum)<\/td><\/tr><tr><td><strong>Brake pad<\/strong><\/td><td>\u5236\u52a8\u7247 \/ \u6469\u64e6\u7247\uff08\u76d8\u5f0f\uff09<\/td><td>Friction material + backing plate; attachment method matters<\/td><td>Drum brake lining<\/td><\/tr><tr><td><strong>Pad carrier<\/strong><\/td><td>\u5236\u52a8\u7247\u652f\u67b6 \/ \u7247\u67b6<\/td><td>Guides pad movement; sticking here often causes drag<\/td><td>Back plate<\/td><\/tr><tr><td><strong>Air gap<\/strong><\/td><td>\u6c14\u9699 \/ \u95f4\u9699<\/td><td>Clearance between pad and disc when released<\/td><td>Shoe clearance on drum brakes<\/td><\/tr><tr><td><strong>Pad knock-back<\/strong><\/td><td>\u56de\u7f29 \/ \u56de\u63a8<\/td><td>Disc runout pushes pads back; increases effective air gap and delays torque<\/td><td>Weak hydraulic pressure<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Product context:<\/strong> our <a href=\"https:\/\/www.takebrakes.com\/sh-series-hydraulic-fail-safe-disc-brakes\/\"><strong>SH hydraulic fail-safe disc brakes<\/strong><\/a> are caliper-type disc brakes widely used for holding and emergency duty. When someone says \u201ccaliper,\u201d confirm whether they mean <em>fail-safe<\/em> (spring-applied) or <em>power-applied<\/em> (less common for safety duty).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-drum-block-brake-terms-shoes-lining-brake-wheel\">Drum\/block brake terms (shoes, lining, brake wheel)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>English<\/th><th>Chinese<\/th><th>Practical meaning<\/th><th>Common confusion<\/th><\/tr><\/thead><tbody><tr><td><strong>Drum brake \/ Block brake<\/strong><\/td><td>\u9f13\u5f0f\u5236\u52a8\u5668 \/ \u5757\u5f0f\u5236\u52a8\u5668<\/td><td>Shoes\/blocks press on a rotating brake wheel (drum)<\/td><td>\u201cBand brake\u201d (different mechanism)<\/td><\/tr><tr><td><strong>Brake shoe<\/strong><\/td><td>\u95f8\u74e6 \/ \u5236\u52a8\u74e6<\/td><td>Steel shoe with lining attached<\/td><td>Friction lining itself<\/td><\/tr><tr><td><strong>Lining<\/strong><\/td><td>\u886c\u57ab \/ \u6469\u64e6\u886c\u57ab \/ \u95f8\u74e6\u886c\u57ab<\/td><td>Friction material on shoes; attachment method (riveted\/bonded) matters<\/td><td>Disc brake pad<\/td><\/tr><tr><td><strong>Brake wheel<\/strong><\/td><td>\u5236\u52a8\u8f6e \/ \u5236\u52a8\u9f13<\/td><td>Rotating friction partner; hardness\/finish affect wear and stability<\/td><td>Disc (rotor)<\/td><\/tr><tr><td><strong>Shoe clearance<\/strong><\/td><td>\u95f8\u74e6\u95f4\u9699 \/ \u5236\u52a8\u95f4\u9699<\/td><td>Gap between lining and wheel when released (must be symmetric)<\/td><td>Air gap (disc brake term)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Product context:<\/strong> our <a href=\"https:\/\/www.takebrakes.com\/ywz13-series-electric-hydraulic-drum-brake\/\"><strong>YWZ13 electro-hydraulic drum brakes<\/strong><\/a> are typical \u201cblock brakes.\u201d If an RFQ says \u201cdrum brake air gap,\u201d confirm whether they mean <em>shoe clearance<\/em> and ask for measurement points.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-actuation-terms-thruster-hydraulic-station-coil-rectifier\">Actuation terms (thruster, hydraulic station, coil, rectifier)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>English<\/th><th>Chinese<\/th><th>Practical meaning<\/th><th>Common confusion<\/th><\/tr><\/thead><tbody><tr><td><strong>Thruster<\/strong> (electro-hydraulic thruster)<\/td><td>\u7535\u529b\u6db2\u538b\u63a8\u52a8\u5668<\/td><td>Self-contained motor-pump-cylinder actuator used to release brakes<\/td><td>Hydraulic cylinder (requires external HPU)<\/td><\/tr><tr><td><strong>Hydraulic power unit (HPU)<\/strong><\/td><td>\u6db2\u538b\u7ad9<\/td><td>External hydraulic station supplying pressure to release\/apply cylinders<\/td><td>Thruster<\/td><\/tr><tr><td><strong>Release pressure<\/strong><\/td><td>\u677e\u95f8\u538b\u529b \/ \u91ca\u653e\u538b\u529b<\/td><td>Pressure needed to fully open a spring-applied brake<\/td><td>System relief pressure (not always same at brake port)<\/td><\/tr><tr><td><strong>Solenoid valve<\/strong><\/td><td>\u7535\u78c1\u9600<\/td><td>Controls hydraulic flow; orientation affects apply speed<\/td><td>Contactor\/relay<\/td><\/tr><tr><td><strong>Coil<\/strong><\/td><td>\u7ebf\u5708<\/td><td>Electromagnetic actuator winding; voltage and insulation class matter<\/td><td>Motor winding<\/td><\/tr><tr><td><strong>Rectifier<\/strong><\/td><td>\u6574\u6d41\u5668 \/ \u6574\u6d41\u6a21\u5757<\/td><td>Converts AC to DC for brake coils; influences release time and heat<\/td><td>Transformer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Practical clarification you can use in emails:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u201cThruster\u201d = a complete electro-hydraulic actuator unit (motor + pump + cylinder) used on many drum brakes.<\/li>\n\n\n\n<li>\u201cHPU\/hydraulic station\u201d = an external power pack for hydraulic brakes (common with fail-safe disc brakes).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-switches-and-monitoring-terms-brake-open-wear-switch-limit-switch\">Switches and monitoring terms (brake-open, wear switch, limit switch)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>English<\/th><th>Chinese<\/th><th>Practical meaning<\/th><th>Common confusion<\/th><\/tr><\/thead><tbody><tr><td><strong>Brake-open switch<\/strong><\/td><td>\u5f00\u95f8\u9650\u4f4d \/ \u677e\u95f8\u5f00\u5173<\/td><td>Confirms brake is fully released before motion is allowed<\/td><td>\u201cMotor running\u201d signal<\/td><\/tr><tr><td><strong>Brake-closed switch<\/strong><\/td><td>\u62b1\u95f8\u9650\u4f4d \/ \u5236\u52a8\u5230\u4f4d\u5f00\u5173<\/td><td>Confirms brake applied\/holding state<\/td><td>Wear switch<\/td><\/tr><tr><td><strong>Wear switch<\/strong><\/td><td>\u78e8\u635f\u5f00\u5173 \/ \u7247\u539a\u5f00\u5173<\/td><td>Warns that pad\/lining has reached a wear limit<\/td><td>Brake-open switch<\/td><\/tr><tr><td><strong>Limit switch<\/strong><\/td><td>\u9650\u4f4d\u5f00\u5173<\/td><td>Generic term; must specify function (open\/closed\/wear)<\/td><td>Interlock relay<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Commissioning warning:<\/strong> a wiring team may connect a \u201cbrake-open switch\u201d backwards (NO\/NC confusion). Always verify switch state by observing the brake mechanism position\u2014not only PLC input status.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-performance-and-condition-terms-dragging-fade-glazing-runout\">Performance and condition terms (dragging, fade, glazing, runout)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>English<\/th><th>Chinese<\/th><th>Practical meaning<\/th><th>Common confusion<\/th><\/tr><\/thead><tbody><tr><td><strong>Dragging<\/strong><\/td><td>\u62d6\u95f8 \/ \u62b1\u6b7b\u4e0d\u5168 \/ \u534a\u62b1\u95f8<\/td><td>Brake not fully released; creates heat continuously<\/td><td>Normal warm brake<\/td><\/tr><tr><td><strong>Fade<\/strong><\/td><td>\u70ed\u8870\u9000 \/ \u5236\u52a8\u8870\u9000<\/td><td>Torque decreases as temperature rises<\/td><td>Low torque due to wrong sizing<\/td><\/tr><tr><td><strong>Glazing<\/strong><\/td><td>\u53d1\u4eae \/ \u73bb\u7483\u5316<\/td><td>Friction surface becomes smooth\/shiny; torque becomes unstable<\/td><td>Normal wear polish<\/td><\/tr><tr><td><strong>Runout (TIR)<\/strong><\/td><td>\u8df3\u52a8<\/td><td>Disc wobble during rotation; causes pad knock-back and hot bands<\/td><td>Flatness (different)<\/td><\/tr><tr><td><strong>Hot spot \/ hot banding<\/strong><\/td><td>\u70ed\u70b9 \/ \u70ed\u5e26<\/td><td>Localized overheating on disc\/wheel; often due to misalignment\/runout\/drag<\/td><td>Normal temperature rise<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-email-rfq-phrases-that-reduce-misunderstanding-copy-paste\">Email\/RFQ phrases that reduce misunderstanding (copy\/paste)<\/h2>\n\n\n\n<p>These short lines make technical communication clearer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u201cWe need a <strong>fail-safe brake (spring-applied, power-released)<\/strong> with rated torque ___ N\u00b7m at disc diameter ___ mm.\u201d<\/li>\n\n\n\n<li>\u201cPlease confirm <strong>release method<\/strong>: electro-hydraulic thruster (Ed\/YT1) or external HPU (YZ\/YZJ).\u201d<\/li>\n\n\n\n<li>\u201cPlease provide <strong>air gap (disc brake)<\/strong> or <strong>shoe clearance (drum brake)<\/strong> setting range and measurement points.\u201d<\/li>\n\n\n\n<li>\u201cConfirm accessories: <strong>brake-open switch<\/strong>, <strong>wear switch<\/strong>, manual release, IP rating.\u201d<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-need-a-terminology-block-for-your-product-pages-seo-friendly-and-buyer-friendly\">Need a terminology block for your product pages (SEO-friendly and buyer-friendly)?<\/h2>\n\n\n\n<p>If you tell me which product page you want to strengthen first (YWZ13, SH, SE, thrusters, discs), I can draft a compact \u201cTerminology &amp; Definitions\u201d section tailored to that product. This improves search relevance for mixed-language queries like \u201ccaliper brake fail safe,\u201d \u201cthruster brake,\u201d \u201cbrake lining vs pad,\u201d and reduces RFQ errors.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In international brake projects, many mistakes are not engineering mistakes\u2014they\u2019re language mistakes. A buyer says \u201ccaliper brake,\u201d but means a spring-applied fail-safe unit. A technician says \u201cair gap,\u201d but measures shoe clearance on a drum brake. A drawing says \u201cthruster,\u201d but procurement buys a hydraulic cylinder. These misunderstandings create wrong selection, wrong spares, and slow [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-2501","post","type-post","status-publish","format-standard","hentry","category-info","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/posts\/2501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/comments?post=2501"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/posts\/2501\/revisions"}],"predecessor-version":[{"id":2502,"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/posts\/2501\/revisions\/2502"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/media?parent=2501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/categories?post=2501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/id\/wp-json\/wp\/v2\/tags?post=2501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}