{"id":685,"date":"2026-10-08T07:37:25","date_gmt":"2026-10-08T07:37:25","guid":{"rendered":"https:\/\/sun-gears.net\/gear-rack-module-dp-pressure-angle\/"},"modified":"2026-10-09T05:43:38","modified_gmt":"2026-10-09T05:43:38","slug":"sun-gear-module-dp-pressure-angle","status":"publish","type":"post","link":"https:\/\/sun-gears.net\/sv\/sun-gear-module-dp-pressure-angle\/","title":{"rendered":"Sun Gear Module, DP and Pressure Angle"},"content":{"rendered":"<section class=\"sg-hero\">\n<div class=\"sg-container sg-hero-grid\">\n<div>\n<div class=\"sg-eyebrow\">KNOWLEDGE<\/div>\n<h1>Sun Gear Module, DP and Pressure Angle<\/h1>\n<p class=\"sg-lead\">Module or diametral pitch sets tooth size, while pressure angle defines the involute geometry. Both must match the mating planet gears.<\/p>\n<div class=\"sg-pills\"><span>Technical Guide<\/span><span>Planetary Gear<\/span><span>Anbudsf\u00f6rfr\u00e5gan<\/span><\/div>\n<div class=\"sg-actions\"><a class=\"sg-btn\" href=\"#rfq-form\">Beg\u00e4r en offert<\/a><a class=\"sg-btn sg-btn--ghost\" href=\"https:\/\/sun-gears.net\/sv\/products\/\">Bl\u00e4ddra bland produkter<\/a><\/div>\n<\/div>\n<figure><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/standard-sun-gear.webp\" alt=\"Sun Gear Module, DP and Pressure Angle\" fetchpriority=\"high\"><\/figure>\n<\/div>\n<\/section>\n<section class=\"sg-section\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Module vs. DP<\/h2>\n<\/div>\n<p>Module is a metric pitch system; diametral pitch is an inch-based system. Do not convert by visual estimation.<\/p>\n<\/div>\n<\/section>\n<section class=\"sg-section\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Pressure angle<\/h2>\n<\/div>\n<p>A gear with the wrong pressure angle may appear close in size but will not have the correct tooth contact.<\/p>\n<\/div>\n<\/section>\n<section class=\"sg-section\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Replacement check<\/h2>\n<\/div>\n<p>Measure or obtain the mating planet gears and use the original drawing whenever possible.<\/p>\n<\/div>\n<\/section>\n<section class=\"sg-section sg-section--split\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Use the drawing as the controlled record<\/h2>\n<\/div>\n<div class=\"sg-split sg-split--flip\">\n<div class=\"sg-prose\">\n<p>A technical guide can explain which variables matter, but the final sun gear must be approved from the actual drawing and operating requirement.<\/p>\n<p>If a value is missing, identify it for confirmation instead of copying a dimension or material from a different supplier or gear family.<\/p>\n<\/div>\n<figure class=\"sg-figure\"><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/standard-sun-gear.webp\" alt=\"Sun Gear Module, DP and Pressure Angle technical context\" loading=\"lazy\"><\/figure>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>RFQ checklist<\/h2>\n<\/div>\n<p>Send the sun gear drawing or measured tooth data, mating planet\/ring information, interface dimensions, material\/process requirements, duty, quantity and destination.<\/p>\n<\/div>\n<\/section>\n<section class=\"sg-section sg-section--soft\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Deeper buyer guidance<\/h2>\n<\/div>\n<div class=\"sg-split sg-split--flip\">\n<div class=\"sg-prose\">\n<p>Module or DP and pressure angle are fundamental tooth-system values. They should be preserved exactly from the controlled design rather than approximated from appearance.<\/p>\n<p>For new designs, use the complete planetary geometry and functional datums before deciding the process route. For replacement work, use photos and equipment references for context but let measured tooth and interface data control the new part.<\/p>\n<\/div>\n<figure class=\"sg-figure\"><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/article-inspection.webp\" alt=\"Deeper buyer guidance\" loading=\"lazy\"><\/figure>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>What to control on the RFQ or drawing<\/h2>\n<\/div>\n<div class=\"sg-table-wrap table-scroll\">\n<table class=\"sg-table\">\n<thead>\n<tr>\n<th>Punkt<\/th>\n<th>What to define<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Planetary mesh<\/td>\n<td>Sun, planet and ring tooth data plus planet count when known.<\/td>\n<\/tr>\n<tr>\n<td>Center interface<\/td>\n<td>Bore, key, spline or shaft features with functional datums.<\/td>\n<\/tr>\n<tr>\n<td>Operating duty<\/td>\n<td>Rated\/peak torque, speed, reversals\/shock, life and environment.<\/td>\n<\/tr>\n<tr>\n<td>Material\/process<\/td>\n<td>Controlled material, heat treatment, finish and coating requirements.<\/td>\n<\/tr>\n<tr>\n<td>Acceptance<\/td>\n<td>Gear\/runout\/dimensional checks and required documentation.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section sg-section--soft\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Frequently asked questions<\/h2>\n<\/div>\n<div class=\"sg-accordion\">\n<details>\n<summary>Can a visual match confirm interchangeability?<\/summary>\n<p>No. Similar outside dimensions can hide different pitch systems, pressure angles, profile shift or interface fits.<\/p>\n<\/details>\n<details>\n<summary>Should mating gear data be included?<\/summary>\n<p>Yes whenever available, because planetary geometry is easier to verify as a system.<\/p>\n<\/details>\n<details>\n<summary>What if a value is unknown?<\/summary>\n<p>Mark it as open and provide the available sample, mating component or application data rather than guessing.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section sg-cta\">\n<div class=\"sg-container sg-cta-grid\">\n<div>\n<div class=\"sg-eyebrow\">Anbudsf\u00f6rfr\u00e5gan<\/div>\n<h2>Beg\u00e4r offert \/ Skicka offertf\u00f6rfr\u00e5gan<\/h2>\n<p>Skicka ritningen, tanddata, information om anslutningskomponenter, tull och kvantitet. Vi granskar gr\u00e4nssnittet innan offert.<\/p>\n<p><a class=\"sg-btn\" href=\"#rfq-form\">Skicka offertf\u00f6rfr\u00e5gan<\/a><\/div>\n<div><div class=\"sg-order-terms\"><div class=\"sg-order-term\"><strong>MOQ<\/strong><span>Flexibel beroende p\u00e5 produkttyp och totalt orderv\u00e4rde.<\/span><\/div><div class=\"sg-order-term\"><strong>Prover<\/strong><span>Nya kunder kan beg\u00e4ra 1\u20135 stycken n\u00e4r delen och processen \u00e4r l\u00e4mpliga.<\/span><\/div><div class=\"sg-order-term\"><strong>Blandade best\u00e4llningar<\/strong><span>Olika solv\u00e4xlar eller relaterade modeller av planetkomponenter kan kombineras n\u00e4r det totala orderv\u00e4rdet \u00e4r cirka 1 500 USD eller mer.<\/span><\/div><div class=\"sg-order-term\"><strong>Sm\u00e5 best\u00e4llningar<\/strong><span>Best\u00e4llningar fr\u00e5n 1-2 stycken kan diskuteras, normalt med en h\u00f6gre styckkostnad.<\/span><\/div><div class=\"sg-order-term\"><strong>Leverans<\/strong><span>Standarddelar: 10\u201325 arbetsdagar. Specialkomponenter: 20\u201345 arbetsdagar. Projektutrustning: 45\u2013120 arbetsdagar.<\/span><\/div><div class=\"sg-order-term\"><strong>Handelsvillkor<\/strong><span>EXW, FOB, CIF och DAP st\u00f6ds vanligtvis. FCA, CFR, CPT, CIP och DDP kan diskuteras fr\u00e5n fall till fall.<\/span><\/div><\/div><\/div>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Module or diametral pitch sets tooth size, while pressure angle defines the involute geometry. Both must match the mating planet gears.<\/p>","protected":false},"author":1,"featured_media":1094,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sun-gears"],"_links":{"self":[{"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/posts\/685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/comments?post=685"}],"version-history":[{"count":4,"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/posts\/685\/revisions"}],"predecessor-version":[{"id":1111,"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/posts\/685\/revisions\/1111"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/media\/1094"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/media?parent=685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/categories?post=685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sun-gears.net\/sv\/wp-json\/wp\/v2\/tags?post=685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}