{"id":533,"date":"2026-09-09T06:17:44","date_gmt":"2026-09-09T06:17:44","guid":{"rendered":"https:\/\/modularbelt.net\/modular-belt-sprocket-compatibility-guide\/"},"modified":"2026-09-09T07:52:58","modified_gmt":"2026-09-09T07:52:58","slug":"modular-belt-sprocket-compatibility-guide","status":"publish","type":"post","link":"https:\/\/modularbelt.net\/ja\/modular-belt-sprocket-compatibility-guide\/","title":{"rendered":"Sprocket & Modular Belt Compatibility Guide"},"content":{"rendered":"
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Sprocket & Modular Belt Compatibility Guide<\/h1>\n

Pitch narrows the drive family, but true compatibility also depends on underside geometry, tooth engagement, sprocket form and shaft interface.<\/p>\n<\/div>\n<\/section>\n

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A sprocket is a mechanical interface<\/h2>\n
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\"Split<\/figure>\n
\"Single-piece<\/figure>\n<\/div>\n<\/div>\n
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Modular-belt sprockets positively engage the underside of the belt. Outside diameter alone is therefore not enough for matching. Belt pitch, underside geometry, tooth form, tooth count, sprocket thickness\/hub arrangement and shaft\/bore details must work together.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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What to match<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n
Feature<\/th>\n\u30c1\u30a7\u30c3\u30af<\/th>\n<\/tr>\n<\/thead>\n
Belt pitch<\/td>\nInitial family<\/td>\n<\/tr>\n
Underside geometry<\/td>\nActual tooth engagement<\/td>\n<\/tr>\n
\u6b6f\u306e\u672c\u6570<\/td>\nPitch diameter and wrap\/engagement direction<\/td>\n<\/tr>\n
\u7a74\uff0f\u30b7\u30e3\u30d5\u30c8<\/td>\nMachine interface, keyway\/profile as applicable<\/td>\n<\/tr>\n
\u30b9\u30d7\u30ed\u30b1\u30c3\u30c8\u5f62\u72b6<\/td>\nSplit, one-piece or machined layout<\/td>\n<\/tr>\n
\u9593\u9694<\/td>\nSupport and drive across the belt width<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
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Split vs one-piece vs machined<\/h2>\n

Split sprockets can simplify service on some shafts because the shaft does not always need to be removed. One-piece sprockets can be simple and robust. Machined forms can address project-specific shaft or geometry requirements. Construction preference should never override correct tooth engagement with the selected belt.<\/p>\n<\/div>\n<\/section>\n

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Replacement photography<\/h2>\n

Take one photo of the belt underside with the sprocket engaged and another showing the whole shaft. Add a side view if tooth count or diameter is difficult to record. These images can reveal details that a top-view belt photo cannot.<\/p>\n<\/div>\n<\/section>\n

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Why pitch-only matching fails<\/h2>\n

Different belt families can share a nominal pitch but use different underside geometry. A sprocket can therefore be the wrong match even when the tooth-to-tooth spacing looks plausible. Always confirm the mechanical family.<\/p>\n<\/div>\n<\/section>\n

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Sprocket RFQ<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n
\u30c7\u30fc\u30bf<\/th>\nSend<\/th>\n<\/tr>\n<\/thead>\n
\u30d9\u30eb\u30c8<\/td>\nFamily\/model if known or pitch + underside photos<\/td>\n<\/tr>\n
\u6b6f\u306e\u672c\u6570<\/td>\nCount or clear circumference photo<\/td>\n<\/tr>\n
Bore\/shaft<\/td>\n\u76f4\u5f84\u3001\u30ad\u30fc\u6e9d\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u30b7\u30e3\u30d5\u30c8\u5f62\u72b6<\/td>\n<\/tr>\n
\u30b9\u30d7\u30ed\u30b1\u30c3\u30c8\u5f62\u72b6<\/td>\nSplit \/ one-piece \/ machined if required<\/td>\n<\/tr>\n
\u9593\u9694<\/td>\nNumber of sprockets and positions across shaft<\/td>\n<\/tr>\n
\u91cf<\/td>\nPer shaft and total project requirement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
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Diagnosing a replacement mismatch<\/h2>\n

When a new sprocket does not mesh smoothly, check the belt underside and tooth profile before changing chain tension or alignment. A nominally correct pitch can still pair with the wrong tooth geometry. Also compare tooth count, sprocket thickness, hub position and shaft fit. A drive that is forced into engagement can accelerate belt and tooth wear.<\/p>\n

For wide modular belts, record the number and spacing of sprockets across the shaft. The drive arrangement is distributed across the width, not defined by one sprocket in isolation.<\/p>\n<\/div>\n<\/section>\n

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Need help narrowing the configuration?<\/h2>\n

Send the information you already have. Missing fields can be identified during review rather than guessed.<\/p>\n

\u898b\u7a4d\u4f9d\u983c\u66f8\u3092\u9001\u4fe1\u3059\u308b<\/a><\/p>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"

Pitch narrows the drive family, but true compatibility also depends on underside geometry, tooth engagement, sprocket form and shaft interface.<\/p>","protected":false},"author":1,"featured_media":496,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-533","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/posts\/533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/comments?post=533"}],"version-history":[{"count":1,"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/posts\/533\/revisions"}],"predecessor-version":[{"id":595,"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/posts\/533\/revisions\/595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/media\/496"}],"wp:attachment":[{"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/media?parent=533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/categories?post=533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/modularbelt.net\/ja\/wp-json\/wp\/v2\/tags?post=533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}