{"id":697,"date":"2026-10-08T07:37:50","date_gmt":"2026-10-08T07:37:50","guid":{"rendered":"https:\/\/sun-gears.net\/product\/rack-pinion-gears\/"},"modified":"2026-10-09T06:54:33","modified_gmt":"2026-10-09T06:54:33","slug":"hollow-sun-gears","status":"publish","type":"product","link":"https:\/\/sun-gears.net\/ms\/product\/hollow-sun-gears\/","title":{"rendered":"Gear Matahari Berongga"},"content":{"rendered":"<section class=\"sg-hero\">\n<div class=\"sg-container sg-hero-grid\">\n<div>\n<div class=\"sg-eyebrow\">SUN GEAR PRODUCTS<\/div>\n<h1>Gear Matahari Berongga<\/h1>\n<p class=\"sg-lead\">Sun gears with through-bores or hollow interfaces for compact coaxial planetary arrangements.<\/p>\n<div class=\"sg-pills\"><span>Gear Matahari Berongga<\/span><span>Planetary Drive<\/span><span>Custom RFQ<\/span><\/div>\n<div class=\"sg-actions\"><a class=\"sg-btn\" href=\"#rfq-form\">Minta Sebut Harga<\/a><a class=\"sg-btn sg-btn--ghost\" href=\"https:\/\/sun-gears.net\/ms\/products\/\">Browse Products<\/a><\/div>\n<\/div>\n<figure><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/hollow-sun-gear.webp\" alt=\"Gear Matahari Berongga\" 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>Technical specification \/ ordering data<\/h2>\n<\/div>\n<div class=\"sg-table-wrap table-scroll\">\n<table class=\"sg-table\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>What to Specify<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tooth geometry<\/td>\n<td>Module\/DP, pressure angle, tooth count and any profile shift.<\/td>\n<\/tr>\n<tr>\n<td>Bore<\/td>\n<td>Diameter, fit, keyway\/spline if present and axial length.<\/td>\n<\/tr>\n<tr>\n<td>Wall \/ hub geometry<\/td>\n<td>Section thickness, shoulders and retention features.<\/td>\n<\/tr>\n<tr>\n<td>Mating components<\/td>\n<td>Planet gear and ring gear data.<\/td>\n<\/tr>\n<tr>\n<td>Material \/ heat treatment<\/td>\n<td>Per application and drawing.<\/td>\n<\/tr>\n<tr>\n<td>Inspection<\/td>\n<td>Bore-to-tooth concentricity and required tooth measurements.<\/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>Selection points<\/h2>\n<\/div>\n<p class=\"sg-intro\">These are the questions to close before production.<\/p>\n<div class=\"sg-card-grid\">\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-1\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Mating planet gears<\/h3>\n<p>Confirm the mating tooth count, pitch system and pressure angle rather than identifying the sun gear in isolation.<\/p>\n<\/article>\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-2\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Concentricity &amp; runout<\/h3>\n<p>Define the datum relationship among gear teeth, bore\/spline\/shaft and bearing seats.<\/p>\n<\/article>\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-3\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Duty<\/h3>\n<p>Rated and peak torque, speed, reversals, shock and life influence material\/process decisions.<\/p>\n<\/article>\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-4\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Inspection<\/h3>\n<p>Agree the report content before production when tooth or interface verification is critical.<\/p>\n<\/article>\n<\/div>\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>Replacement and custom projects<\/h2>\n<\/div>\n<div class=\"sg-split sg-split--flip\">\n<div class=\"sg-prose\">\n<p>Sun gears with through-bores or hollow interfaces for compact coaxial planetary arrangements.<\/p>\n<p>For replacement hollow sun gears, verify bore fit, bore-to-tooth concentricity and the mating planet\/ring geometry together. Photos can show the arrangement, but the controlled measurements determine interchangeability.<\/p>\n<\/div>\n<figure class=\"sg-figure\"><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/hollow-sun-gear.webp\" alt=\"Hollow Sun Gears product image\" 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>Bore size changes the section and the process plan<\/h2>\n<p class=\"sg-intro\">A large through bore or internal spline reduces the remaining section between the center feature and tooth root, so duty, wall thickness and distortion should be reviewed together.<\/p>\n<\/div>\n<div class=\"sg-split sg-split--flip\">\n<div class=\"sg-prose\">\n<p>For hollow sun gears, freeze the external tooth system and the bore or internal spline as one section before selecting the process route. The remaining wall thickness and gear-to-bore concentricity are central to the part definition.<\/p>\n<p>If material and heat treatment are already specified, preserve them. If the bore size or internal feature is being changed, include torque and duty information so the effect on section strength and distortion can be reviewed.<\/p>\n<\/div>\n<figure class=\"sg-figure\"><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/hollow-sun-gear.webp\" alt=\"Bore size changes the section and the process plan\" loading=\"lazy\"><\/figure>\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>Before approving production<\/h2>\n<\/div>\n<div class=\"sg-card-grid\">\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-1\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Mesh confirmation<\/h3>\n<p>Verify tooth system and mating planetary geometry.<\/p>\n<\/article>\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-2\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Interface confirmation<\/h3>\n<p>Verify bore\/spline\/shaft fits, datums and retention.<\/p>\n<\/article>\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-3\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Process confirmation<\/h3>\n<p>Verify material, heat treatment, finishing and coating requirements.<\/p>\n<\/article>\n<article class=\"sg-card\"><span class=\"sg-icon sg-icon-4\" aria-hidden=\"true\"><\/span><\/p>\n<h3>Acceptance confirmation<\/h3>\n<p>Verify tooth, runout, dimensional and documentation requirements.<\/p>\n<\/article>\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\">RFQ<\/div>\n<h2>Minta Sebut Harga \/ Hantar RFQ<\/h2>\n<p>Send the drawing, tooth data, mating-component information, duty and quantity. We will review the interface before quotation.<\/p>\n<p><a class=\"sg-btn\" href=\"#rfq-form\">Send RFQ<\/a><\/div>\n<div><div class=\"sg-order-terms\"><div class=\"sg-order-term\"><strong>MOQ<\/strong><span>Fleksibel mengikut jenis produk dan jumlah nilai pesanan.<\/span><\/div><div class=\"sg-order-term\"><strong>Sampel<\/strong><span>Pelanggan baharu boleh meminta 1-5 keping apabila bahagian dan prosesnya sesuai.<\/span><\/div><div class=\"sg-order-term\"><strong>Pesanan campuran<\/strong><span>Gear matahari yang berbeza atau model komponen planet yang berkaitan boleh digabungkan apabila jumlah nilai pesanan sekitar USD 1,500 atau lebih.<\/span><\/div><div class=\"sg-order-term\"><strong>Pesanan kecil<\/strong><span>Pesanan 1-2 keping boleh dibincangkan, biasanya dengan kos seunit yang lebih tinggi.<\/span><\/div><div class=\"sg-order-term\"><strong>Penghantaran<\/strong><span>Bahagian standard: 10-25 hari bekerja. Komponen tersuai: 20-45 hari bekerja. Peralatan projek: 45-120 hari bekerja.<\/span><\/div><div class=\"sg-order-term\"><strong>Terma perdagangan<\/strong><span>EXW, FOB, CIF dan DAP biasanya disokong. FCA, CFR, CPT, CIP dan DDP boleh dibincangkan mengikut kes.<\/span><\/div><\/div><\/div>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Sun gears with through-bores or hollow interfaces for compact coaxial planetary arrangements.<\/p>","protected":false},"featured_media":1005,"template":"","meta":[],"product_cat":[2023],"product_tag":[],"class_list":["post-697","product","type-product","status-publish","has-post-thumbnail","product_cat-sun-gear-products","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sun-gears.net\/ms\/wp-json\/wp\/v2\/product\/697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sun-gears.net\/ms\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sun-gears.net\/ms\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/ms\/wp-json\/wp\/v2\/media\/1005"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/ms\/wp-json\/wp\/v2\/media?parent=697"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sun-gears.net\/ms\/wp-json\/wp\/v2\/product_cat?post=697"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sun-gears.net\/ms\/wp-json\/wp\/v2\/product_tag?post=697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}