{"id":1446,"date":"2026-09-11T08:15:18","date_gmt":"2026-09-11T08:15:18","guid":{"rendered":"https:\/\/injection-molded-parts.com\/product\/40-plastic-sprockets\/"},"modified":"2026-09-14T07:55:26","modified_gmt":"2026-09-14T07:55:26","slug":"40-plastic-sprockets","status":"publish","type":"product","link":"https:\/\/injection-molded-parts.com\/zh-cn\/product\/40-plastic-sprockets\/","title":{"rendered":"#40 \u5851\u6599\u94fe\u8f6e"},"content":{"rendered":"<section class=\"imp-section\">\n<h2 id=\"overview\">#40 chain sprocket configuration<\/h2>\n<p>#40 plastic sprockets are specified around the exact #40 chain configuration, tooth count, bore and hub. ANSI RS40 roller chain uses a 0.500 in (1\/2 in) pitch, but \u201c#40\u201d alone still does not define tooth count, strand arrangement, shaft connection or operating duty.<\/p>\n<p>#40 chain is common, but there are still single- and multi-strand layouts and many shaft interfaces. Confirm whether the replacement must match an existing hub width, set-screw location or keyway. In a conveyor, check whether neighboring guides or guards restrict the allowable outside envelope.<\/p>\n<\/section>\n<section class=\"imp-section imp-photo-scope\">\n<h2 id=\"photo-scope\">How to read the product image<\/h2>\n<p>The main image is a representative technical redraw because the available raster source could not be enlarged without losing tooth-edge definition. It is used to communicate the product family and mechanical topology only. Tooth count, pitch\/module, bore, hub, chain interface, material and all production dimensions are controlled by the released drawing.<\/p>\n<\/section>\n<section class=\"imp-section\">\n<h2 id=\"geometry\">Geometry and interface inputs for #40 Plastic Sprockets<\/h2>\n<ul class=\"imp-checklist\">\n<li>Exact #40 chain type and strand count<\/li>\n<li>Tooth count<\/li>\n<li>Bore, keyway, set screw or hub style<\/li>\n<li>Shaft spacing and chain wrap<\/li>\n<li>Load, speed, cleaning and temperature conditions<\/li>\n<\/ul>\n<p><strong>\u51e0\u4f55\u53c2\u8003\uff1a<\/strong> #40 roller-chain sprocket family<\/p>\n<\/section>\n<section class=\"imp-section\">\n<h2 id=\"process\">\u9009\u62e9\u751f\u4ea7\u8def\u7ebf<\/h2>\n<p>Standard-style #40 sprockets can be machined or molded depending on the requested geometry and quantity. Custom bores and hubs should be shown on the drawing.<\/p>\n<p><strong>\u6253\u5305\u6d41\u7a0b\u53c2\u8003\uff1a<\/strong> Machined family data; confirm exact configuration at quotation<\/p>\n<p><strong>\u6750\u6599\u65b9\u5411\uff1a<\/strong> Nylatron \/ UHMW as listed by configuration<\/p>\n<\/section>\n<figure class=\"imp-content-image\"><img alt=\"#40 Plastic Sprockets geometry and design review\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/injection-molded-parts.com\/wp-content\/uploads\/2026\/09\/sprocket-selection.webp\"\/><\/figure>\n<section class=\"imp-section\">\n<h2 id=\"application-review\">\u5e94\u7528\u7279\u5b9a\u8bbe\u8ba1\u8bc4\u5ba1<\/h2>\n<p>A correct pitch interface can still perform poorly if the bore runs out, the sprocket is misaligned or the material is not suited to the environment.<\/p>\n<p><strong>\u5178\u578b\u7528\u9014\uff1a<\/strong> Light conveyors, packaging machinery and handling systems using #40 roller chain. The final material and tolerance plan should be checked against the load path, mating components and environment in that assembly.<\/p>\n<\/section>\n<section class=\"imp-section\">\n<h2 id=\"sample-review\">\u9996\u6b21\u62bd\u6837\u548c\u68c0\u9a8c\u91cd\u70b9<\/h2>\n<p>Check chain engagement, tooth form, bore\/hub dimensions and runout. For double- or multi-strand arrangements, verify strand spacing.<\/p>\n<p><strong>\u62a5\u4ef7\u51b3\u5b9a\uff1a<\/strong> Select tooth count and material first, then confirm pitch diameter, stock or finished bore, hub arrangement, shaft retention and operating duty.<\/p>\n<\/section>\n<figure class=\"imp-content-image\"><img alt=\"#40 Plastic Sprockets in an industrial application context\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/injection-molded-parts.com\/wp-content\/uploads\/2026\/09\/conveyor-material-handling-application.webp\"\/><\/figure>\n<section class=\"imp-section\">\n<h2 id=\"rfq-guide\">What to send for a #40 Plastic Sprockets quotation<\/h2>\n<p>\u8bf7\u63d0\u4f9b\u6700\u65b0\u7684\u56fe\u7eb8\u6216CAD\u6a21\u578b\uff0c\u5e76\u6ce8\u660e\u751f\u4ea7\u6570\u91cf\u4ee5\u53ca\u5f71\u54cd\u914d\u5408\u3001\u78e8\u635f\u6216\u5c3a\u5bf8\u7a33\u5b9a\u6027\u7684\u5e94\u7528\u6761\u4ef6\u3002\u5982\u679c\u8be5\u96f6\u4ef6\u7528\u4e8e\u66ff\u6362\u73b0\u6709\u7ec4\u4ef6\uff0c\u8bf7\u660e\u786e\u54ea\u4e9b\u7279\u5f81\u5fc5\u987b\u4fdd\u6301\u4e92\u6362\u6027\uff0c\u4ee5\u53ca\u65b0\u96f6\u4ef6\u65e8\u5728\u89e3\u51b3\u7684\u4efb\u4f55\u5df2\u77e5\u73b0\u573a\u95ee\u9898\u3002<\/p>\n<ul class=\"imp-checklist\">\n<li>\u53ef\u63a7\u7684\u56fe\u7eb8\u4fee\u6539\u548c3D\u6a21\u578b\uff08\u5982\u6709\uff09<\/li>\n<li>\u914d\u5408\u90e8\u4ef6\u6216\u4f20\u52a8\u51e0\u4f55<\/li>\n<li>\u7269\u6599\u9700\u6c42\u6216\u670d\u52a1\u73af\u5883<\/li>\n<li>\u6837\u54c1\u6570\u91cf\u3001\u751f\u4ea7\u6279\u6b21\u548c\u9884\u8ba1\u5e74\u9700\u6c42<\/li>\n<li>\u5173\u952e\u5c3a\u5bf8\u548c\u529f\u80fd\u9a8c\u6536\u65b9\u6cd5<\/li>\n<\/ul>\n<\/section>\n<section class=\"imp-section\">\n<h2 id=\"specification\">\u5236\u9020\u524d\u9700\u786e\u5b9a\u5de5\u7a0b\u89c4\u8303<\/h2>\n<p>\u751f\u4ea7\u56fe\u7eb8\u5e94\u5c06\u5e94\u7528\u8f6c\u5316\u4e3a\u53ef\u8861\u91cf\u7684\u8f93\u5165\u3002\u4e0b\u8868\u5217\u51fa\u4e86\u8be5\u4ea7\u54c1\u7cfb\u5217\u7684\u6700\u4f4e\u5ba1\u6838\u8981\u6c42\uff1b\u5982\u6709\u4efb\u4f55\u88c5\u914d\u76f8\u5173\u7684\u57fa\u51c6\u3001\u8868\u9762\u5904\u7406\u6216\u9a8c\u6536\u8981\u6c42\u4f1a\u6539\u53d8\u529f\u80fd\uff0c\u8bf7\u6dfb\u52a0\u8fd9\u4e9b\u8981\u6c42\u3002<\/p>\n<div class=\"imp-table-scroll\">\n<table>\n<thead>\n<tr>\n<th>\u5b9a\u4e49<\/th>\n<th>\u4f9b\u5e94\u5546\u9700\u8981\u4ec0\u4e48<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>#40 chain configuration \/ strand count<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<tr>\n<td>Tooth count<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<tr>\n<td>Finished or stock bore<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<tr>\n<td>Keyway \/ set-screw \/ shaft retention<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<tr>\n<td>Hub style and width<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<tr>\n<td>Chain wrap and shaft alignment<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<tr>\n<td>Load, speed and duty<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<tr>\n<td>Cleaning \/ temperature \/ wear environment<\/td>\n<td>\u8bf7\u5728\u6700\u65b0\u56fe\u7eb8\u4e0a\u6807\u660e\u6570\u503c\u3001\u516c\u5dee\u6216\u529f\u80fd\u8981\u6c42\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"imp-section\">\n<h2 id=\"risk-review\">\u8bbe\u8ba1\u8bc4\u5ba1\u671f\u95f4\u9700\u8981\u9884\u9632\u7684\u5931\u6548\u6a21\u5f0f<\/h2>\n<p>Common risks for this geometry include incorrect chain interface; bore or hub runout; shaft misalignment that drives the chain toward one tooth flank. These are best addressed before the first sample by reviewing the complete mating interface, not by tightening every drawing tolerance.<\/p>\n<p>\u5e94\u6709\u9009\u62e9\u5730\u4f7f\u7528\u516c\u5dee\u3002\u51b3\u5b9a\u9f7f\u8f6e\u556e\u5408\u3001\u94fe\u6761\u556e\u5408\u3001\u8f74\u914d\u5408\u6216\u88c5\u914d\u57fa\u51c6\u7684\u5c3a\u5bf8\u9700\u8981\u660e\u786e\u7684\u6d4b\u91cf\u65b9\u6cd5\uff1b\u975e\u5173\u952e\u7684\u6a21\u5851\u8868\u9762\u901a\u5e38\u53ef\u4ee5\u4f7f\u7528\u66f4\u5b9e\u7528\u7684\u901a\u7528\u516c\u5dee\u3002<\/p>\n<\/section>\n<section class=\"imp-section\">\n<h2 id=\"inspection\">\u9996\u4ef6\u9a8c\u6536\u548c\u751f\u4ea7\u9a8c\u6536<\/h2>\n<p>\u62bd\u6837\u524d\uff0c\u5e94\u5148\u786e\u5b9a\u68c0\u9a8c\u6761\u4ef6\u3001\u57fa\u51c6\u548c\u6d4b\u91cf\u65b9\u6cd5\u3002\u9996\u4ef6\u68c0\u9a8c\u62a5\u544a\u5e94\u6db5\u76d6\u56fe\u7eb8\u7684\u5173\u952e\u8d28\u91cf\u7279\u6027\uff08CTQ\uff09\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u88c5\u914d\u6216\u4ee3\u8868\u6027\u5939\u5177\u8fdb\u884c\u529f\u80fd\u6027\u68c0\u67e5\u3002\u5bf9\u4e8e\u9f7f\u8f6e\u548c\u94fe\u8f6e\uff0c\u68c0\u67e5\u5185\u5bb9\u53ef\u5305\u62ec\u556e\u5408\u6216\u94fe\u6761\u556e\u5408\u3001\u8df3\u52a8\u548c\u5b54\u5f84\u5173\u7cfb\uff1b\u5bf9\u4e8e\u5b9a\u5236\u6a21\u5236\u96f6\u4ef6\uff0c\u68c0\u67e5\u5185\u5bb9\u53ef\u5305\u62ec\u914d\u5408\u3001\u7d27\u56fa\u548c\u8f7d\u8377\u7279\u5f81\u3002<\/p>\n<p>\u751f\u4ea7\u63a7\u5236\u5e94\u9075\u5faa\u76f8\u540c\u7684\u5173\u952e\u8d28\u91cf\u7279\u6027\uff08CTQ\uff09\uff0c\u800c\u4e0d\u662f\u7528\u4e00\u957f\u4e32\u6613\u4e8e\u6d4b\u91cf\u7684\u5916\u89c2\u5c3a\u5bf8\u6e05\u5355\u6765\u53d6\u4ee3\u5b83\u4eec\u3002\u5982\u679c\u5b54\u3001\u9f7f\u3001\u5d4c\u4ef6\u6216\u5b89\u88c5\u9762\u9700\u8981\u8fdb\u884c\u4e8c\u6b21\u52a0\u5de5\uff0c\u5219\u5e94\u660e\u786e\u6307\u51fa\u54ea\u9053\u5de5\u5e8f\u786e\u7acb\u4e86\u6700\u7ec8\u57fa\u51c6\u3002<\/p>\n<\/section>\n<section class=\"imp-section\">\n<h2 id=\"faq\">#40 Plastic Sprockets FAQ<\/h2>\n<div class=\"imp-card-grid\">\n<article class=\"imp-card\">\n<h3>\u6211\u5e94\u8be5\u63d0\u4f9b\u54ea\u4e9b\u8d44\u6599\u8fdb\u884c\u62a5\u4ef7\uff1f<\/h3>\n<p>\u8bf7\u53d1\u9001\u6700\u65b0\u7684\u4e8c\u7ef4\u56fe\u7eb8\uff0c\u5982\u6709\u4e09\u7ef4\u6a21\u578b\uff0c\u4e5f\u8bf7\u4e00\u5e76\u53d1\u9001\u3002\u8bf7\u63d0\u4f9b\u914d\u5408\u96f6\u4ef6\u4fe1\u606f\u3001\u8ba2\u8d2d\u6570\u91cf\u3001\u4f7f\u7528\u6761\u4ef6\u4ee5\u53ca\u63a7\u5236\u914d\u5408\u6216\u8fd0\u52a8\u7684\u7279\u5f81\u3002\u5bf9\u4e8e\u51e0\u4f55\u5f62\u72b6\u4e0d\u786e\u5b9a\u7684\u65e7\u96f6\u4ef6\uff0c\u63d0\u4f9b\u6837\u54c1\u4f1a\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n<\/article>\n<article class=\"imp-card\">\n<h3>\u6750\u6599\u5e94\u8be5\u5982\u4f55\u6307\u5b9a\uff1f<\/h3>\n<p>Material should be selected from service temperature, chemicals or moisture, stiffness, wear, dimensional requirements and production route. A preferred grade can be quoted, but the application requirements should be supplied with it.<\/p>\n<\/article>\n<article class=\"imp-card\">\n<h3>\u7b2c\u4e00\u4e2a\u6837\u54c1\u5982\u4f55\u83b7\u5f97\u6279\u51c6\uff1f<\/h3>\n<p>\u5728\u751f\u4ea7\u6837\u54c1\u4e4b\u524d\uff0c\u5e94\u660e\u786e\u5173\u952e\u8d28\u91cf\u7279\u6027\uff08CTQ\uff09\u3001\u68c0\u9a8c\u72b6\u6001\u548c\u529f\u80fd\u6d4b\u8bd5\u3002\u5ba1\u6279\u6d41\u7a0b\u5e94\u786e\u8ba4\u53ef\u6d4b\u91cf\u7684\u51e0\u4f55\u5f62\u72b6\u4ee5\u53ca\u96f6\u4ef6\u5728\u5176\u9884\u671f\u63a5\u53e3\u4e2d\u7684\u6027\u80fd\u3002<\/p>\n<\/article>\n<\/div>\n<\/section>\n<section class=\"imp-section imp-engineering-brief\" id=\"engineering-brief\">\n<h2>Engineering decision brief for #40 Plastic Sprockets<\/h2>\n<div class=\"imp-decision-grid\">\n<article><span>01<\/span><\/p>\n<h3>Define the geometry<\/h3>\n<p>ANSI\/ASME No. 40 roller-chain sprocket geometry based on a 0.500 in (1\/2 in) chain pitch, with tooth count, strand, bore and hub defined by the application. The quotation should use the drawing revision and mating interface as the controlling definition rather than an image alone.<\/p>\n<\/article>\n<article><span>02<\/span><\/p>\n<h3>Choose material by duty<\/h3>\n<p>Nylatron \/ UHMW as listed by configuration Material selection should be checked against load, speed, temperature, moisture or chemicals, lubrication and the required dimensional condition.<\/p>\n<\/article>\n<article><span>03<\/span><\/p>\n<h3>Freeze the production route<\/h3>\n<p>Machined family data; confirm exact configuration at quotation The route should be fixed only after quantity, tolerances, surface requirements and change risk are understood.<\/p>\n<\/article>\n<article><span>04<\/span><\/p>\n<h3>Agree acceptance<\/h3>\n<p>Select tooth count and material first, then confirm pitch diameter, stock or finished bore, hub arrangement, shaft retention and operating duty. First-article checks should therefore focus on the dimensions and functional interfaces that control the assembly.<\/p>\n<\/article>\n<\/div>\n<p><strong>Typical application context:<\/strong> General #40 chain drives, conveyor equipment, packaging lines and corrosion-conscious material-handling systems.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Plastic sprockets for ANSI\/ASME No. 40 roller chain applications. The 1\/2 inch chain pitch is only the starting point; tooth count, strand, roller clearance, bore, hub, shaft retention and duty still require confirmation.<\/p>","protected":false},"featured_media":1293,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[2586],"product_tag":[],"class_list":["post-1446","product","type-product","status-publish","has-post-thumbnail","product_cat-plastic-sprockets","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/product\/1446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/comments?post=1446"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/media\/1293"}],"wp:attachment":[{"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/media?parent=1446"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/product_cat?post=1446"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/injection-molded-parts.com\/zh-cn\/wp-json\/wp\/v2\/product_tag?post=1446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}