{"id":21221,"date":"2026-08-26T18:20:45","date_gmt":"2026-08-26T12:50:45","guid":{"rendered":"https:\/\/stitchpartner.com\/?post_type=product&#038;p=21221"},"modified":"2026-08-29T22:56:36","modified_gmt":"2026-08-29T17:26:36","slug":"drive-gear-70mm-cloth-cutting-machine","status":"publish","type":"product","link":"https:\/\/stitchpartner.com\/hi\/product\/drive-gear-70mm-cloth-cutting-machine\/","title":{"rendered":"Drive Gear for 70mm Cloth Cutting Machine \u2013 B31"},"content":{"rendered":"<p class=\"isSelectedEnd\"><strong>Drive Gear for 70mm Cloth Cutting Machine<\/strong> is built for restoring reliable power transmission in 70mm electric handheld fabric cutters used for garment cutting and commercial apparel work. Its precision-machined metal teeth provide smooth engagement between the motor drive and blade mechanism during regular cutting work.<\/p>\n<h3>\u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u0910\u0902<\/h3>\n<ul data-spread=\"false\">\n<li>Precision-machined metal teeth for accurate gear engagement<\/li>\n<li>High-strength alloy-metal construction for demanding cutting work<\/li>\n<li>Heat-treated construction for improved resistance to friction and operating heat<\/li>\n<li>Designed for steady torque transfer from the motor to the blade drive<\/li>\n<li>Suitable for 70mm octagonal and round-blade electric cloth cutting machines<\/li>\n<li>Direct replacement format for the specified 70mm cutter drive assembly<\/li>\n<li>Pack contains <strong>1 \u091f\u0941\u0915\u0921\u093c\u093e<\/strong><\/li>\n<li>Part identification: <strong>B31 \/ B-31 Drive Gear<\/strong><\/li>\n<\/ul>\n<h3>\u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u092e\u093e\u092e\u0932\u0947<\/h3>\n<p class=\"isSelectedEnd\">This drive gear is suitable for garment factories, commercial cutting rooms, tailoring workshops, boutiques, and machine-repair applications where a worn or damaged drive gear needs to be replaced.<\/p>\n<p class=\"isSelectedEnd\">It is particularly useful when a <a href=\"https:\/\/stitchpartner.com\/hi\/product\/lejiang-yj-70c-70mm-electric-cloth-cutting-machine\/\">70mm electric cloth cutter<\/a> has reduced or inconsistent blade drive performance caused by a worn gear. Gear components are a critical part of rotary cutter power transmission, and replacement parts are commonly available for electric fabric cutters alongside blades, switches, and carbon brushes.<\/p>\n<h3>\u092b\u093c\u093e\u092f\u0926\u0947<\/h3>\n<p class=\"isSelectedEnd\"><strong>Reliable power transmission:<\/strong> The precision tooth profile keeps the gear engaged with the mating drive components for consistent rotary power transfer.<\/p>\n<p class=\"isSelectedEnd\"><strong>Wear-resistant construction:<\/strong> The alloy-metal body and heat-treated construction are suited to repeated mechanical loading and friction inside the cutter drive assembly.<\/p>\n<p class=\"isSelectedEnd\"><strong>Smooth cutting operation:<\/strong> Proper gear engagement helps transfer motor rotation efficiently to the blade mechanism instead of allowing unnecessary movement between mating teeth.<\/p>\n<p class=\"isSelectedEnd\"><strong>Practical replacement:<\/strong> Replacing a worn drive gear can restore the mechanical connection between the motor and blade system without replacing the complete cutting machine.<\/p>\n<p class=\"isSelectedEnd\"><strong>Made for 70mm cutters:<\/strong> The application is focused on 70mm electric rotary cloth cutters rather than larger 100mm or 110mm cutting machines.<\/p>\n<h3>\u092e\u0936\u0940\u0928 \u0905\u0928\u0941\u0915\u0942\u0932\u0924\u093e<\/h3>\n<p class=\"isSelectedEnd\">\u0915\u0947 \u0938\u093e\u0925 \u0938\u0902\u0917\u0924:<\/p>\n<ul data-spread=\"false\">\n<li><strong>LEJIANG 70mm cloth cutting machines<\/strong>, including YJ-70 and YJ-70A<\/li>\n<li><strong>TAKING 70mm cloth cutting machines<\/strong><\/li>\n<li><strong>MESSER 70mm cloth cutting machines<\/strong><\/li>\n<li><strong>Octa 70mm electric cloth cutting machines<\/strong><\/li>\n<li><strong>Dayang 70mm electric cloth cutting machines<\/strong><\/li>\n<li><strong>Su Lee 70mm electric cloth cutting machines<\/strong><\/li>\n<li>\u092e\u093e\u0928\u0915 <strong>70mm \/ 2.75-inch octagonal or round-blade electric handheld cloth cutters<\/strong><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">The YJ-70A parts documentation specifically identifies the B31 drive gear within the machine&#8217;s gear-drive assembly, while the YJ-70A is documented as a 70mm round-knife cutter.<\/p>\n<h3>\u0935\u093f\u0936\u0947\u0937 \u0935\u093f\u0935\u0930\u0923<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936<\/th>\n<th>\u0935\u093f\u0935\u0930\u0923<\/th>\n<\/tr>\n<tr>\n<td>\u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td>Drive Gear<\/td>\n<\/tr>\n<tr>\n<td>Part Number<\/td>\n<td>B31 \/ B-31<\/td>\n<\/tr>\n<tr>\n<td>\u0906\u0935\u0947\u0926\u0928<\/td>\n<td>70mm Electric Cloth Cutting Machine<\/td>\n<\/tr>\n<tr>\n<td>\u092c\u094d\u0932\u0947\u0921 \u0915\u093e \u0906\u0915\u093e\u0930<\/td>\n<td>70mm \/ 2.75 inch<\/td>\n<\/tr>\n<tr>\n<td>\u092e\u0936\u0940\u0928 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td>Electric Handheld Rotary Cloth Cutter<\/td>\n<\/tr>\n<tr>\n<td>Gear Material<\/td>\n<td>Alloy Metal<\/td>\n<\/tr>\n<tr>\n<td>\u0928\u093f\u0930\u094d\u092e\u093e\u0923<\/td>\n<td>Heat-Treated<\/td>\n<\/tr>\n<tr>\n<td>Gear Type<\/td>\n<td>Drive Gear<\/td>\n<\/tr>\n<tr>\n<td>\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e<\/td>\n<td>1 \u091f\u0941\u0915\u0921\u093c\u093e<\/td>\n<\/tr>\n<tr>\n<td>Compatible Brands\/Models<\/td>\n<td>LEJIANG, TAKING, MESSER, Octa, Dayang, Su Lee and compatible standard 70mm cutters<\/td>\n<\/tr>\n<tr>\n<td>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0906\u0935\u0947\u0926\u0928<\/td>\n<td>Garment &amp; Fabric Cutting Equipment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0948\u0938\u0947 \u0915\u0930\u0947\u0902<\/h3>\n<p class=\"isSelectedEnd\"><strong>First<\/strong>, switch off and unplug the cloth cutting machine completely before opening the drive or gear housing.<\/p>\n<p class=\"isSelectedEnd\"><strong>Next<\/strong>, remove the required housing components according to the machine&#8217;s service procedure and expose the existing drive gear.<\/p>\n<p class=\"isSelectedEnd\"><strong>Then<\/strong>, remove the worn drive gear and inspect the mating gear, shaft, bearings, and surrounding components for damage or excessive wear before installing the replacement.<\/p>\n<p class=\"isSelectedEnd\"><strong>Finally<\/strong>, install the new drive gear in the correct orientation, reassemble the housing securely, and test the machine at low load before returning it to regular cutting operation. Gear replacement procedures vary by cutter design, so the machine&#8217;s service documentation should be followed for the actual disassembly and adjustment sequence. Manufacturer documentation for 70mm cutters shows the drive gear as part of the gear housing and drive assembly.<\/p>\n<h3>\u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/h3>\n<h4>Is this drive gear suitable for a 70mm cloth cutting machine?<\/h4>\n<p class=\"isSelectedEnd\">Yes. This drive gear is designed for 70mm electric handheld cloth cutting machines using the specified B31 drive-gear configuration. It is listed for LEJIANG, TAKING, MESSER, Octa, Dayang, Su Lee and compatible standard 70mm octagonal or round-blade cutters. Check the existing gear and machine model before ordering because similarly sized cutters can use different internal drive assemblies.<\/p>\n<h4>What does the B31 drive gear do in a cloth cutting machine?<\/h4>\n<p class=\"isSelectedEnd\">The drive gear transfers rotary motion from the motor-side drive system to the blade-driving mechanism. In a 70mm cutter, the gear works inside the gear housing as part of the mechanical transmission assembly. When the gear teeth become worn or damaged, the cutter can lose effective power transmission even though the motor itself continues to run. The YJ-70A parts diagram identifies B31 as the drive gear.<\/p>\n<h4>Can I use this gear on a 70mm round-blade cutter?<\/h4>\n<p class=\"isSelectedEnd\">Yes, it is intended for the specified 70mm electric rotary cloth-cutter configuration, including machines using 70mm round or octagonal blades. However, blade diameter alone does not guarantee gear compatibility. The internal drive arrangement and gear dimensions must also match. Verify the existing part number, gear profile and physical dimensions before ordering when the machine model is uncertain.<\/p>\n<h4>Does a worn drive gear affect cutting performance?<\/h4>\n<p class=\"isSelectedEnd\">Yes. A worn or damaged drive gear can interfere with efficient mechanical power transmission between the motor and blade mechanism. Users of electric fabric cutters commonly identify gears as serviceable drive components, and replacement gears are sold as separate cutter spares. If the machine motor runs but the blade does not receive normal drive power, inspect the gear assembly along with the blade, shaft and other transmission components.<\/p>\n<h4>Should I replace the gear if some teeth are damaged?<\/h4>\n<p class=\"isSelectedEnd\">A drive gear with broken, heavily worn or visibly damaged teeth should be replaced rather than continued in production use. Damaged teeth can prevent proper engagement with the mating gear and may cause uneven operation or further transmission damage. During replacement, inspect the mating gear and shaft as well. Replacing only one component may not resolve the problem if the associated drive parts are also worn.<\/p>\n<h4>Does the drive gear require lubrication?<\/h4>\n<p class=\"isSelectedEnd\">The gear assembly should be maintained according to the cutter manufacturer&#8217;s service instructions. Gear lubrication is used on comparable handheld cloth-cutter drive assemblies, and service guidance for a 70mm cutter recommends appropriate grease inside the gear housing rather than running the gears dry. Do not overfill the housing, and use the lubricant specified for your particular machine.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><\/h1>","protected":false},"excerpt":{"rendered":"<p>Precision-machined drive gear for compatible 70mm electric cloth cutting machines. The heat-treated alloy-metal construction supports dependable torque transfer and smooth blade-drive operation. Pack of 1 piece.<\/p>","protected":false},"featured_media":21224,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"Drive Gear for 70mm Cloth Cutting Machine","_yoast_wpseo_title":"SEO Title: Drive Gear for 70mm Cloth Cutting Machine %%page%% %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"Drive Gear for 70mm Cloth Cutting Machine with precision metal teeth and heat-treated construction. Replacement part for compatible electric fabric cutters.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","_angie_page":false},"product_brand":[2304],"product_cat":[1033,958],"product_tag":[2217,3056,3049,3048,2313,3047,3050,3052,2314,3051,3053,3054,3055],"class_list":["post-21221","product","type-product","status-publish","has-post-thumbnail","product_brand-messer","product_cat-cloth-cutting-machine","product_cat-durable-imported-70mm-fabric-cutter","product_tag-70mm-cloth-cutting-machine","product_tag-70mm-cutter-gear","product_tag-b-31-gear","product_tag-b31-drive-gear","product_tag-cloth-cutting-machine-spare-parts","product_tag-drive-gear","product_tag-electric-fabric-cutter-spare-parts","product_tag-lejiang-spare-parts","product_tag-messer-spare-parts","product_tag-rotary-cloth-cutter-parts","product_tag-taking-spare-parts","product_tag-yj-70","product_tag-yj-70a","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SEO Title: Drive Gear for 70mm Cloth Cutting Machine - Stitch Partner<\/title>\n<meta name=\"description\" content=\"Drive Gear for 70mm Cloth Cutting Machine with precision metal teeth and heat-treated construction. 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