{"id":681,"date":"2026-10-08T07:37:13","date_gmt":"2026-10-08T07:37:13","guid":{"rendered":"https:\/\/sun-gears.net\/knowledge\/"},"modified":"2026-10-08T10:14:33","modified_gmt":"2026-10-08T10:14:33","slug":"knowledge","status":"publish","type":"page","link":"https:\/\/sun-gears.net\/zh-cn\/knowledge\/","title":{"rendered":"Sun Gear Knowledge Center"},"content":{"rendered":"
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KNOWLEDGE<\/div>\n

Sun Gear Knowledge Center<\/h1>\n

Practical guides for identifying, selecting, measuring and quoting sun gears in planetary systems.<\/p>\n

Identification<\/span>Selection<\/span>Replacement<\/span><\/div>\n
\u7d22\u53d6\u62a5\u4ef7<\/a>\u6d4f\u89c8\u4ea7\u54c1<\/a><\/div>\n<\/div>\n
\"Sun<\/figure>\n<\/div>\n<\/section>\n
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Sun gear technical guides<\/h2>\n<\/div>\n

The articles answer the questions that most often block a planetary gear RFQ.<\/p>\n

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What Is a Sun Gear in a Planetary Gear System?<\/h3>\n

Understand the sun gear, planet gears, internal ring gear and carrier before specifying a replacement.<\/p>\n

Learn more<\/a><\/article>\n

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Sun Gear vs. Planet Gear vs. Ring Gear<\/h3>\n

Compare the three gear elements in a planetary stage and see which dimensions must match.<\/p>\n

Learn more<\/a><\/article>\n

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Sun Gear Module, DP and Pressure Angle<\/h3>\n

The pitch system and pressure angle must agree with the mating planet gears.<\/p>\n

Learn more<\/a><\/article>\n

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Sun Gear Tooth Count and Planetary Geometry<\/h3>\n

Why tooth counts, center distance and planet spacing must be considered together.<\/p>\n

Learn more<\/a><\/article>\n

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Splined Sun Gear Interfaces: What to Measure<\/h3>\n

Spline standard, tooth count, major\/minor diameters, fit, length and datum relationships.<\/p>\n

Learn more<\/a><\/article>\n

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Sun Gear Shaft vs. Separate Sun Gear<\/h3>\n

When the sun gear is integrated with a shaft, bearing and drive-interface details become part of the gear drawing.<\/p>\n

Learn more<\/a><\/article>\n

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Sun Gear Materials and Heat Treatment: RFQ Checklist<\/h3>\n

Define material, hardness, case requirement and inspection from the duty and controlled drawing.<\/p>\n

Learn more<\/a><\/article>\n

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Sun Gear Backlash and Tooth Contact<\/h3>\n

Backlash is a system result involving the sun, planets, ring gear, bearing\/support accuracy and tooth modifications.<\/p>\n

Learn more<\/a><\/article>\n

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How to Measure a Sun Gear for Replacement<\/h3>\n

A practical measurement checklist for old planetary components when the original drawing is missing.<\/p>\n

Learn more<\/a><\/article>\n

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Custom Sun Gear RFQ Inputs That Matter<\/h3>\n

A complete RFQ combines gear geometry, shaft\/spline interface, duty, quality and commercial information.<\/p>\n

Learn more<\/a><\/article>\n<\/div>\n<\/div>\n<\/section>\n

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\u7d22\u53d6\u62a5\u4ef7\/\u53d1\u9001\u8be2\u4ef7\u5355<\/h2>\n

Send the drawing, tooth data, mating-component information, duty and quantity. We will review the interface before quotation.<\/p>\n

\u53d1\u9001\u8be2\u4ef7\u5355<\/a><\/div>\n

\u6700\u5c0f\u8d77\u8ba2\u91cf<\/strong>\u6309\u4ea7\u54c1\u7c7b\u578b\u548c\u8ba2\u5355\u603b\u91d1\u989d\u7075\u6d3b\u8c03\u6574\u3002<\/span><\/div>
\u6837\u54c1<\/strong>\u65b0\u5ba2\u6237\u5728\u96f6\u4ef6\u548c\u5de5\u827a\u5408\u9002\u65f6\u53ef\u4ee5\u8ba2\u8d2d 1-5 \u4ef6\u3002<\/span><\/div>
\u6df7\u5408\u8ba2\u5355<\/strong>Different sun gear or related planetary-component models can be combined when the total order value is around USD 1,500 or above.<\/span><\/div>
\u5c0f\u8ba2\u5355<\/strong>1-2 \u4ef6\u7684\u8ba2\u5355\u53ef\u4ee5\u5546\u8bae\uff0c\u4f46\u901a\u5e38\u5355\u4ef7\u4f1a\u66f4\u9ad8\u3002<\/span><\/div>
\u9001\u8d27<\/strong>\u6807\u51c6\u4ef6\uff1a10-25\u4e2a\u5de5\u4f5c\u65e5\u3002\u5b9a\u5236\u7ec4\u4ef6\uff1a20-45\u4e2a\u5de5\u4f5c\u65e5\u3002\u9879\u76ee\u8bbe\u5907\uff1a45-120\u4e2a\u5de5\u4f5c\u65e5\u3002<\/span><\/div>
\u8d38\u6613\u6761\u6b3e<\/strong>EXW\u3001FOB\u3001CIF \u548c DAP \u662f\u5e38\u7528\u7684\u8d38\u6613\u6761\u6b3e\u3002FCA\u3001CFR\u3001CPT\u3001CIP \u548c DDP \u5219\u9700\u5177\u4f53\u60c5\u51b5\u5177\u4f53\u5206\u6790\u3002<\/span><\/div><\/div><\/div>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"

Technical guides for sun gear selection, measurement, planetary geometry, splines and replacement.<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-681","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/pages\/681","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/comments?post=681"}],"version-history":[{"count":2,"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/pages\/681\/revisions"}],"predecessor-version":[{"id":1031,"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/pages\/681\/revisions\/1031"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/media?parent=681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}