{"id":690,"date":"2026-10-08T07:37:34","date_gmt":"2026-10-08T07:37:34","guid":{"rendered":"https:\/\/sun-gears.net\/robot-7th-axis-rack-pinion-selection\/"},"modified":"2026-10-09T05:44:06","modified_gmt":"2026-10-09T05:44:06","slug":"sun-gear-backlash-tooth-contact","status":"publish","type":"post","link":"https:\/\/sun-gears.net\/id\/sun-gear-backlash-tooth-contact\/","title":{"rendered":"Sun Gear Backlash and Tooth Contact"},"content":{"rendered":"
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KNOWLEDGE<\/div>\n

Sun Gear Backlash and Tooth Contact<\/h1>\n

Planetary backlash and tooth contact depend on the whole stage, not the sun gear alone.<\/p>\n

Technical Guide<\/span>Planetary Gear<\/span>Permintaan Penawaran (RFQ)<\/span><\/div>\n
Permintaan Penawaran<\/a>Telusuri Produk<\/a><\/div>\n<\/div>\n
\"Sun<\/figure>\n<\/div>\n<\/section>\n
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Tooth thickness<\/h2>\n<\/div>\n

Sun and planet tooth thickness directly affect backlash, but so do ring gear geometry and center distance.<\/p>\n<\/div>\n<\/section>\n

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Support accuracy<\/h2>\n<\/div>\n

Bearing, carrier and housing runout can move the mesh and change tooth contact around the rotation.<\/p>\n<\/div>\n<\/section>\n

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Tooth modifications<\/h2>\n<\/div>\n

Profile or lead modifications may be used in designed systems; they should be reproduced only from controlled data.<\/p>\n<\/div>\n<\/section>\n

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Use the drawing as the controlled record<\/h2>\n<\/div>\n
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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

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

\"Sun<\/figure>\n<\/div>\n<\/div>\n<\/section>\n
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Daftar periksa RFQ<\/h2>\n<\/div>\n

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

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Deeper buyer guidance<\/h2>\n<\/div>\n
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Backlash and tooth contact are system-level results influenced by all mating gears, carrier\/bearing alignment and the sun gear datum relationship.<\/p>\n

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

\"Deeper<\/figure>\n<\/div>\n<\/div>\n<\/section>\n
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What to control on the RFQ or drawing<\/h2>\n<\/div>\n
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Barang<\/th>\nWhat to define<\/th>\n<\/tr>\n<\/thead>\n
Planetary mesh<\/td>\nSun, planet and ring tooth data plus planet count when known.<\/td>\n<\/tr>\n
Center interface<\/td>\nBore, key, spline or shaft features with functional datums.<\/td>\n<\/tr>\n
Operating duty<\/td>\nRated\/peak torque, speed, reversals\/shock, life and environment.<\/td>\n<\/tr>\n
Material\/process<\/td>\nControlled material, heat treatment, finish and coating requirements.<\/td>\n<\/tr>\n
Acceptance<\/td>\nGear\/runout\/dimensional checks and required documentation.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
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Pertanyaan yang sering diajukan<\/h2>\n<\/div>\n
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\nCan a visual match confirm interchangeability?<\/summary>\n

No. Similar outside dimensions can hide different pitch systems, pressure angles, profile shift or interface fits.<\/p>\n<\/details>\n

\nShould mating gear data be included?<\/summary>\n

Yes whenever available, because planetary geometry is easier to verify as a system.<\/p>\n<\/details>\n

\nWhat if a value is unknown?<\/summary>\n

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

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Permintaan Penawaran (RFQ)<\/div>\n

Minta Penawaran \/ Kirim Permintaan Penawaran<\/h2>\n

Kirimkan gambar, data gigi, informasi komponen pasangannya, bea masuk, dan kuantitas. Kami akan meninjau antarmuka sebelum memberikan penawaran.<\/p>\n

Kirim Permintaan Penawaran (RFQ)<\/a><\/div>\n

MOQ<\/strong>Fleksibel berdasarkan jenis produk dan nilai total pesanan.<\/span><\/div>
Sampel<\/strong>Pelanggan baru dapat memesan 1-5 buah jika suku cadang dan prosesnya sesuai.<\/span><\/div>
Pesanan campur<\/strong>Berbagai model roda gigi matahari atau komponen planet terkait dapat dikombinasikan jika total nilai pesanan sekitar USD 1.500 atau lebih.<\/span><\/div>
Pesanan kecil<\/strong>Pemesanan mulai dari 1-2 buah dapat dibicarakan, biasanya dengan biaya satuan yang lebih tinggi.<\/span><\/div>
Pengiriman<\/strong>Komponen standar: 10-25 hari kerja. Komponen khusus: 20-45 hari kerja. Peralatan proyek: 45-120 hari kerja.<\/span><\/div>
Syarat perdagangan<\/strong>EXW, FOB, CIF, dan DAP umumnya didukung. FCA, CFR, CPT, CIP, dan DDP dapat dibahas berdasarkan kasus per kasus.<\/span><\/div><\/div><\/div>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"

Planetary backlash and tooth contact depend on the whole stage, not the sun gear alone.<\/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-690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sun-gears"],"_links":{"self":[{"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/posts\/690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/comments?post=690"}],"version-history":[{"count":4,"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/posts\/690\/revisions"}],"predecessor-version":[{"id":1115,"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/posts\/690\/revisions\/1115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/media\/1094"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/media?parent=690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/categories?post=690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sun-gears.net\/id\/wp-json\/wp\/v2\/tags?post=690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}