{"id":668,"date":"2026-10-08T07:36:46","date_gmt":"2026-10-08T07:36:46","guid":{"rendered":"https:\/\/sun-gears.net\/cnc-machine-tools\/"},"modified":"2026-10-09T05:41:57","modified_gmt":"2026-10-09T05:41:57","slug":"planetary-gearboxes","status":"publish","type":"page","link":"https:\/\/sun-gears.net\/zh-cn\/planetary-gearboxes\/","title":{"rendered":"Sun Gears for Planetary Gearboxes"},"content":{"rendered":"
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INDUSTRIAL PLANETARY DRIVES<\/div>\n

Sun Gears for Planetary Gearboxes<\/h1>\n

Planetary gearboxes place the sun gear at the center of the mesh. A reliable RFQ must treat the sun gear, planet gears, ring gear and carrier geometry as one system.<\/p>\n

\u8d23\u4efb<\/span>\u754c\u9762<\/span>\u68c0\u67e5<\/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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\u5e94\u7528\u7279\u5b9a\u8be2\u4ef7\u6e05\u5355<\/h2>\n<\/div>\n
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\u8303\u56f4<\/th>\n\u9700\u8981\u5177\u4f53\u8bf4\u660e\u4ec0\u4e48<\/th>\n<\/tr>\n<\/thead>\n
\u804c\u8d23\u6570\u636e<\/td>\nRated and peak torque, input\/output speed, starts, reversals and target life.<\/td>\n<\/tr>\n
\u51e0\u4f55\u5b66<\/td>\nSun\/planet\/ring tooth counts, module or DP, pressure angle and any profile shift.<\/td>\n<\/tr>\n
\u754c\u9762<\/td>\nSpline, shaft, bore, bearing-seat and retention details.<\/td>\n<\/tr>\n
\u98ce\u9669\u70b9<\/td>\nLoad sharing and tooth-contact errors can concentrate load on one planet path.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
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\u786e\u8ba4\u6574\u4e2a\u884c\u661f\u754c\u9762<\/h2>\n<\/div>\n
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Start by identifying which planetary member is input, output or fixed, then verify the sun-to-planet mesh and the ring-gear relationship before manufacturing.<\/p>\n

When the original gearbox drawing is missing, supply tooth counts for the sun, planets and ring, plus carrier\/center-distance information so the stage can be checked as a complete gear train.<\/p>\n<\/div>\n

\"Sun<\/figure>\n<\/div>\n<\/div>\n<\/section>\n
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System-level selection for industrial planetary stages<\/h2>\n

The sun gear may be the fastest member in the stage, so tooth accuracy, runout, lubrication and shaft\/spline alignment all influence service behavior.<\/p>\n<\/div>\n

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For a new design, define the sun\/planet\/ring tooth relationship before finalizing the center interface. For replacement work, inspect the planets, ring, carrier support and lubrication condition so a new sun gear is not installed into an already damaged stage.<\/p>\n

Use the application to decide which measurements deserve the most attention: peak torque and shock for heavy equipment, backlash and runout for motion systems, or life and documentation for long-duration duty.<\/p>\n<\/div>\n

\"System-level<\/figure>\n<\/div>\n<\/div>\n<\/section>\n
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\u8be2\u4ef7<\/div>\n

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

Send the gearbox drawing, sun\/planet\/ring tooth counts, input and output duty, interface dimensions and quantity. Include the gearbox nameplate when the request is for a replacement.<\/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>
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\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":"

Planetary gearboxes place the sun gear at the center of the mesh. A reliable RFQ must treat the sun gear, planet gears, ring gear and carrier geometry as one system.<\/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-668","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/pages\/668","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=668"}],"version-history":[{"count":3,"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/pages\/668\/revisions"}],"predecessor-version":[{"id":1047,"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/pages\/668\/revisions\/1047"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/zh-cn\/wp-json\/wp\/v2\/media?parent=668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}