{"id":4321,"date":"2026-06-03T08:07:54","date_gmt":"2026-06-03T08:07:54","guid":{"rendered":"https:\/\/jiayubearing.com\/?post_type=product&#038;p=4321"},"modified":"2026-06-03T09:16:39","modified_gmt":"2026-06-03T09:16:39","slug":"small-modular-gear-of-0-8-module","status":"publish","type":"product","link":"https:\/\/jiayubearing.com\/zh\/product\/small-modular-gear-of-0-8-module\/","title":{"rendered":"Small modular gear of 0.8 module"},"content":{"rendered":"<p>The gear is made of 40Cr.  <\/p>\n\n\n\n<p>The difficult of it is that the gear shaft is very thin with tight  tolerance.<\/p>\n\n\n\n<p>The gear is <strong>Circular Arc Gear Tooth<\/strong>,Circular arc gear features heavy-load endurance and smooth operation, yet relies on special cutters &amp; high-precision equipment with high production cost and low interchangeability.<\/p>\n\n\n\n<p>But it is difficult to manufacture it because of following reasons:<\/p>\n\n\n\n<p>1.Special customized cutting tools, poor versatility.Separate form cutters for convex &amp; concave teeth, incompatible with standard involute cutter.<br>2.Complex curved tooth profile, difficult profiling.Arc curved profile cannot be processed on conventional standard hobbing machine.<\/p>\n\n\n\n<p>3.Complicated fixture setup, high precision requirement for machine tools.Special CNC arc gear hobbing\/grinding equipment required, long setup &amp; commissioning cycle.<\/p>\n\n\n\n<p>4.Strict paired machining requirement, poor interchangeability.Most arc gears are paired lapped &amp; matched, single replacement difficult after damage.5.High cost for precision grinding.Custom arc grinding wheel with tough dressing, higher processing cost than involute gear.<\/p>\n\n\n\n<p>In order to meet the special requirements of customer,luoyang jiayu design and produce this gear shaft with the feature of:<\/p>\n\n\n\n<p>1.Good tooth surface contact, high load-carrying capacity.Convex-concave meshing realizes line contact, load capacity 30%~50% higher than involute gear under same dimension.<\/p>\n\n\n\n<p>2.Excellent lubrication property, outstanding wear resistance.Oil wedge easily forms during meshing, stable lubricant film, effectively avoid tooth surface pitting.<\/p>\n\n\n\n<p>3.Smooth transmission, low running noise.Smooth tooth profile reduces meshing impact, suitable for high-speed drive.<\/p>\n\n\n\n<p>4.No undercut, available for small tooth number design.Free from involute undercut restriction, realize lightweight design with few teeth.<\/p>\n\n\n\n<p>5.High sensitivity to center distance deviation.Center distance error seriously deteriorates contact precision and service life.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"748\" height=\"464\" src=\"https:\/\/jiayubearing.com\/wp-content\/uploads\/2026\/06\/b72e75ac-5bc2-4c32-8212-3836f9d2b94d.png\" alt=\"\" class=\"wp-image-4323\" srcset=\"https:\/\/jiayubearing.com\/wp-content\/uploads\/2026\/06\/b72e75ac-5bc2-4c32-8212-3836f9d2b94d.png 748w, https:\/\/jiayubearing.com\/wp-content\/uploads\/2026\/06\/b72e75ac-5bc2-4c32-8212-3836f9d2b94d-300x186.png 300w, https:\/\/jiayubearing.com\/wp-content\/uploads\/2026\/06\/b72e75ac-5bc2-4c32-8212-3836f9d2b94d-18x12.png 18w\" sizes=\"(max-width: 748px) 100vw, 748px\" \/><\/figure>\n\n\n\n<p>\u5e94\u7528<\/p>\n\n\n\n<p>Rolling machine,mining industry<\/p>","protected":false},"excerpt":{"rendered":"<p>The gear is made of 40Cr. The difficult of it is that the gear shaft is very thin with tight [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_category":[178,177],"class_list":["post-4321","product","type-product","status-publish","hentry","product_category-fine-pitch-gear","product_category-special-gear-precision-machining"],"acf":[],"_links":{"self":[{"href":"https:\/\/jiayubearing.com\/zh\/wp-json\/wp\/v2\/product\/4321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jiayubearing.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jiayubearing.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/jiayubearing.com\/zh\/wp-json\/wp\/v2\/media?parent=4321"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/jiayubearing.com\/zh\/wp-json\/wp\/v2\/product_category?post=4321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}