{"id":737,"date":"2026-09-22T09:22:39","date_gmt":"2026-09-22T09:22:39","guid":{"rendered":"https:\/\/sungears.top\/product\/custom-internal-gear\/"},"modified":"2026-09-22T09:24:00","modified_gmt":"2026-09-22T09:24:00","slug":"custom-internal-gear","status":"publish","type":"product","link":"https:\/\/sungears.top\/ar\/product\/custom-internal-gear\/","title":{"rendered":"Custom Internal Gear"},"content":{"rendered":"<section class=\"ep-product-intro\">\n<div><span class=\"ep-eyebrow\">Precision Gears<\/span><\/p>\n<h1>Custom Internal Gear<\/h1>\n<p class=\"ep-lede\">Internal gears and ring gears for planetary, indexing and custom transmission assemblies, made to drawing.<\/p>\n<div class=\"ep-actions\"><a class=\"ep-btn\" href=\"#rfq-form\">Request a Quote<\/a><a class=\"ep-text-link\" href=\"\/applications\/\">See applications<\/a><\/div>\n<\/div>\n<div><img width=\"1000\" height=\"750\" src=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/internal-gear.webp\" class=\"attachment-full size-full\" alt=\"Custom Internal Gear\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/internal-gear.webp 1000w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/internal-gear-300x225.webp 300w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/internal-gear-768x576.webp 768w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/internal-gear-16x12.webp 16w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/internal-gear-600x450.webp 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n<\/section>\n<section class=\"ep-section\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">Product overview<\/span><\/p>\n<h2>Where this component fits<\/h2>\n<\/div>\n<div>\n<p>Internal gears and ring gears for planetary, indexing and custom transmission assemblies, produced to drawing.<\/p>\n<p>Planetary transmissions, indexing tables, compact reducers and custom mechanisms are common uses.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"ep-section ep-surface\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">Technical data<\/span><\/p>\n<h2>Technical specifications<\/h2>\n<\/div>\n<div>\n<p>The values below are the current catalogue and drawing-based scope already associated with this product family. Where a value is described as project-specific or \u201cconfirm drawing,\u201d the released drawing remains the final technical reference.<\/p>\n<\/div>\n<\/div>\n<div class=\"ep-table-scroll\">\n<table class=\"ep-spec-table\">\n<tbody>\n<tr>\n<th scope=\"row\">Tooth form<\/th>\n<td>Internal spur or helical where feasible<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Module \/ tooth count<\/th>\n<td>Per drawing<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Ring geometry<\/th>\n<td>OD, width, mounting holes and datum faces per drawing<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Material\/treatment<\/th>\n<td>Per design<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Inspection<\/th>\n<td>Tooth and concentricity checks per requirement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"ep-section\">\n<div class=\"ep-split\">\n<div><img width=\"1400\" height=\"800\" src=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears.webp\" class=\"attachment-full size-full\" alt=\"Internal and custom gear manufacturing\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears.webp 1400w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-300x171.webp 300w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-1024x585.webp 1024w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-768x439.webp 768w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-18x10.webp 18w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-600x343.webp 600w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/div>\n<div><span class=\"ep-eyebrow\">Selection<\/span><\/p>\n<h2>Selection should follow the mating component and the real duty<\/h2>\n<p>Internal tooth geometry limits some manufacturing processes and inspection access. The drawing should clearly identify tooth data, ring section, datum surfaces and any heat-treatment distortion concerns.<\/p>\n<p>If a requested parameter is not yet fixed, provide the functional target and allow it to remain an open selection item. That is safer than locking the project to an assumed value that has not been checked against the mating component or machine.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"ep-section ep-surface\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">Configuration<\/span><\/p>\n<h2>Details that change the quotation<\/h2>\n<\/div>\n<div>\n<p>These fields help separate a standardizable configuration from a part that needs drawing-specific machining or inspection.<\/p>\n<\/div>\n<\/div>\n<div class=\"ep-table-scroll\">\n<table class=\"ep-spec-table\">\n<tbody>\n<tr>\n<th scope=\"row\">Tooth data<\/th>\n<td>Tooth count, module\/DP, pressure angle and helix\/shaft-angle data where applicable.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Mating component<\/th>\n<td>Send the rack or mating gear data when mesh\/contact\/backlash depends on the pair.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Interfaces<\/th>\n<td>Bore, keyway, spline, hub, shaft, flange and bearing\/shoulder details.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Material\/treatment<\/th>\n<td>Drawing material, heat treatment, hardness and finish when controlled.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Accuracy<\/th>\n<td>Gear-quality\/tolerance and runout\/concentricity requirements tied to functional datums.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Quantity<\/th>\n<td>Prototype, production batch and annual demand if available.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"ep-section\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">Manufacturing<\/span><\/p>\n<h2>Process route follows the ordered specification<\/h2>\n<\/div>\n<div>\n<p>Manufacturing route depends on gear type, material, heat treatment and required tooth quality. Blank and datum machining, tooth cutting, heat treatment, finishing, bore\/shaft features and final inspection should be planned as one sequence so later operations do not compromise the controlled geometry.<\/p>\n<p>Material substitutions, heat-treatment changes and tolerance relaxations should be approved before production. For repeat orders, the approved drawing revision and any agreed inspection scope should remain attached to the order.<\/p>\n<p><a class=\"ep-text-link\" href=\"\/manufacturing\/\">See manufacturing approach<\/a><\/div>\n<\/div>\n<\/section>\n<section class=\"ep-section ep-surface\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">Integration<\/span><\/p>\n<h2>Fit, mounting and mating-part considerations<\/h2>\n<\/div>\n<div>\n<p>Send the mating sun\/planet information when it controls the mesh. For thin rings or heat-treated parts, the section geometry and distortion allowance may need review before production.<\/p>\n<p>For replacement work, send the existing part or assembly information as identification support, but confirm the production dimensions before release. Visual similarity is not a substitute for the tooth and interface data.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"ep-section\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">Inspection<\/span><\/p>\n<h2>Inspection should follow the functional datums<\/h2>\n<\/div>\n<div>\n<p>Inspection should connect the internal tooth data with ring dimensions, mounting datums, runout and any post-heat-treatment dimensional requirements.<\/p>\n<p>If dimensional reports, material certificates or heat-treatment records are required with the order, identify them in the RFQ so they are included in the quality plan rather than requested after production is complete.<\/p>\n<p><a class=\"ep-text-link\" href=\"\/quality\/\">Read about quality control<\/a><\/div>\n<\/div>\n<\/section>\n<section class=\"ep-section ep-surface\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">Related components<\/span><\/p>\n<h2>Products commonly reviewed together<\/h2>\n<\/div>\n<div>\n<p>Related components are shown as practical design companions, not as claims that every item is automatically compatible. Match the actual drawing and mating tooth data before ordering.<\/p>\n<\/div>\n<\/div>\n<div class=\"ep-card-grid\">\n<article class=\"ep-card\">\n<div class=\"ep-card-media\"><img width=\"1600\" height=\"700\" src=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range.webp\" class=\"attachment-full size-full\" alt=\"Custom Spur Gear\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range.webp 1600w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range-300x131.webp 300w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range-1024x448.webp 1024w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range-768x336.webp 768w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range-1536x672.webp 1536w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range-18x8.webp 18w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-range-600x263.webp 600w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/div>\n<div class=\"ep-card-body\">\n<h3>Custom Spur Gear<\/h3>\n<p>External spur mating\/companion gearing.<\/p>\n<p><a class=\"ep-text-link\" href=\"\/product\/custom-spur-gear\/\">View product<\/a><\/div>\n<\/article>\n<article class=\"ep-card\">\n<div class=\"ep-card-media\"><img width=\"1400\" height=\"800\" src=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears.webp\" class=\"attachment-full size-full\" alt=\"Custom Helical Gear\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears.webp 1400w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-300x171.webp 300w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-1024x585.webp 1024w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-768x439.webp 768w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-18x10.webp 18w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/custom-gears-600x343.webp 600w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/div>\n<div class=\"ep-card-body\">\n<h3>Custom Helical Gear<\/h3>\n<p>External helical gear option.<\/p>\n<p><a class=\"ep-text-link\" href=\"\/product\/custom-helical-gear\/\">View product<\/a><\/div>\n<\/article>\n<article class=\"ep-card\">\n<div class=\"ep-card-media\"><img width=\"1200\" height=\"900\" src=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-shaft.webp\" class=\"attachment-full size-full\" alt=\"Pinion Shaft\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-shaft.webp 1200w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-shaft-300x225.webp 300w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-shaft-1024x768.webp 1024w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-shaft-768x576.webp 768w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-shaft-16x12.webp 16w, https:\/\/sungears.top\/wp-content\/uploads\/2026\/09\/gear-shaft-600x450.webp 600w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div>\n<div class=\"ep-card-body\">\n<h3>Pinion Shaft<\/h3>\n<p>Shaft-integrated gear component.<\/p>\n<p><a class=\"ep-text-link\" href=\"\/product\/pinion-shaft\/\">View product<\/a><\/div>\n<\/article>\n<\/div>\n<\/section>\n<section class=\"ep-section\">\n<div class=\"ep-section-head\">\n<div><span class=\"ep-eyebrow\">RFQ preparation<\/span><\/p>\n<h2>What to send for a useful quotation<\/h2>\n<\/div>\n<div>\n<p>Attach the latest drawing and state quantity, material, treatment, tooth data and critical inspection requirements. For rack-driven motion, add the axis duty and the mating pinion\/gearbox details where available. STEP or DWG files help when secondary machining and interfaces are complex.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"ep-body-cta\">\n<div class=\"ep-cta-copy\"><span class=\"ep-eyebrow\">Have a drawing or application data?<\/span><\/p>\n<h2>Send the details that define the part.<\/h2>\n<p>A useful quotation starts with the geometry and the operating context. Send the drawing, quantity and controlled requirements; for rack-driven axes, add travel, speed, acceleration, load and the mating pinion or gearbox information when available.<\/p>\n<div class=\"ep-cta-terms\">\n<p><strong>Ordering:<\/strong> MOQ is flexible by product type and order value. Suitable new-customer samples can be 1-5 pcs; mixed-model orders are supported around USD 1,500+ combined, while 1-2 pcs can be considered at a higher unit price.<\/p>\n<p><strong>Timing &amp; terms:<\/strong> Standard parts are typically 10-25 working days, custom components 20-45, and project equipment 45-120. EXW, FOB, CIF and DAP are commonly available; FCA, CFR, CPT, CIP and DDP can be discussed case by case.<\/p>\n<\/div>\n<\/div>\n<p><a class=\"ep-btn\" href=\"#rfq-form\">Send RFQ<\/a><\/section>\n","protected":false},"excerpt":{"rendered":"<p>Internal gears and ring gears for planetary, indexing and custom transmission assemblies, made to drawing. Selection and quotation are based on tooth data, interfaces, material\/process, quantity and the released drawing.<\/p>\n","protected":false},"featured_media":691,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[1930],"product_tag":[],"class_list":["post-737","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-precision-gears"],"_links":{"self":[{"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v3\/product\/737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v3\/product"}],"about":[{"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v2\/comments?post=737"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v2\/media\/691"}],"wp:attachment":[{"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v2\/media?parent=737"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v2\/product_cat?post=737"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sungears.top\/ar\/wp-json\/wp\/v2\/product_tag?post=737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}