{"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\/hi\/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

\u0915\u0930\u094d\u0924\u0935\u094d\u092f<\/span>\u0907\u0902\u091f\u0930\u092b\u093c\u0947\u0938<\/span>\u0928\u093f\u0930\u0940\u0915\u094d\u0937\u0923<\/span><\/div>\n
\u090f\u0915 \u0909\u0926\u094d\u0927\u0930\u0923 \u0915\u093e \u0905\u0928\u0941\u0930\u094b\u0927 \u0915\u0930\u0947\u0902<\/a>\u0909\u0924\u094d\u092a\u093e\u0926 \u092c\u094d\u0930\u093e\u0909\u091c\u093c \u0915\u0930\u0947\u0902<\/a><\/div>\n<\/div>\n
\"Sun<\/figure>\n<\/div>\n<\/section>\n
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Application-specific RFQ checklist<\/h2>\n<\/div>\n
\n\n\n\n\n\n\n\n\n
\u092a\u0948\u0930\u093e\u092e\u0940\u091f\u0930<\/th>\n\u0915\u094d\u092f\u093e \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0928\u093e \u0939\u0948<\/th>\n<\/tr>\n<\/thead>\n
Duty data<\/td>\nRated and peak torque, input\/output speed, starts, reversals and target life.<\/td>\n<\/tr>\n
Geometry<\/td>\nSun\/planet\/ring tooth counts, module or DP, pressure angle and any profile shift.<\/td>\n<\/tr>\n
\u0907\u0902\u091f\u0930\u092b\u093c\u0947\u0938<\/td>\nSpline, shaft, bore, bearing-seat and retention details.<\/td>\n<\/tr>\n
Risk point<\/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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Confirm the whole planetary interface<\/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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\u0906\u0930\u090f\u092b\u0915\u094d\u092f\u0942<\/div>\n

\u0915\u094b\u091f\u0947\u0936\u0928 \u0915\u093e \u0905\u0928\u0941\u0930\u094b\u0927 \u0915\u0930\u0947\u0902 \/ \u0906\u0930\u090f\u092b\u0915\u094d\u092f\u0942 \u092d\u0947\u091c\u0947\u0902<\/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

\u0906\u0930\u090f\u092b\u0915\u094d\u092f\u0942 \u092d\u0947\u091c\u0947\u0902<\/a><\/div>\n

\u0928\u094d\u092f\u0942\u0928\u0924\u092e \u092e\u093e\u0924\u094d\u0930\u093e<\/strong>\u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u0947 \u092a\u094d\u0930\u0915\u093e\u0930 \u0914\u0930 \u0915\u0941\u0932 \u0911\u0930\u094d\u0921\u0930 \u092e\u0942\u0932\u094d\u092f \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930 \u0932\u091a\u0940\u0932\u093e\u092a\u0928\u0964<\/span><\/div>
\u0928\u092e\u0942\u0928\u0947<\/strong>\u091c\u092c \u092a\u0941\u0930\u094d\u091c\u093e \u0914\u0930 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u0939\u094b\u0902, \u0924\u094b \u0928\u090f \u0917\u094d\u0930\u093e\u0939\u0915 1-5 \u092a\u0940\u0938 \u0915\u093e \u0905\u0928\u0941\u0930\u094b\u0927 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/span><\/div>
\u092e\u093f\u0936\u094d\u0930\u093f\u0924 \u0911\u0930\u094d\u0921\u0930<\/strong>\u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u0947 \u0938\u0928 \u0917\u093f\u092f\u0930 \u092f\u093e \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0917\u094d\u0930\u0939\u0940\u092f \u0918\u091f\u0915 \u092e\u0949\u0921\u0932\u094b\u0902 \u0915\u094b \u0924\u092c \u0938\u0902\u092f\u094b\u091c\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948 \u091c\u092c \u0915\u0941\u0932 \u0911\u0930\u094d\u0921\u0930 \u092e\u0942\u0932\u094d\u092f \u0932\u0917\u092d\u0917 1,500 \u0905\u092e\u0947\u0930\u093f\u0915\u0940 \u0921\u0949\u0932\u0930 \u092f\u093e \u0909\u0938\u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b\u0964<\/span><\/div>
\u091b\u094b\u091f\u0947 \u0911\u0930\u094d\u0921\u0930<\/strong>1-2 \u092a\u0940\u0938 \u0915\u0947 \u0911\u0930\u094d\u0921\u0930 \u092a\u0930 \u092c\u093e\u0924\u091a\u0940\u0924 \u0915\u0940 \u091c\u093e \u0938\u0915\u0924\u0940 \u0939\u0948, \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0907\u0928\u0915\u0940 \u092a\u094d\u0930\u0924\u093f \u092f\u0942\u0928\u093f\u091f \u0932\u093e\u0917\u0924 \u0905\u0927\u093f\u0915 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/span><\/div>
\u0935\u093f\u0924\u0930\u0923<\/strong>\u092e\u093e\u0928\u0915 \u092a\u0941\u0930\u094d\u091c\u0947: 10-25 \u0915\u093e\u0930\u094d\u092f\u0926\u093f\u0935\u0938\u0964 \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u092a\u0941\u0930\u094d\u091c\u0947: 20-45 \u0915\u093e\u0930\u094d\u092f\u0926\u093f\u0935\u0938\u0964 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u0909\u092a\u0915\u0930\u0923: 45-120 \u0915\u093e\u0930\u094d\u092f\u0926\u093f\u0935\u0938\u0964<\/span><\/div>
\u0935\u094d\u092f\u093e\u092a\u093e\u0930 \u0915\u0947 \u0928\u093f\u092f\u092e<\/strong>EXW, FOB, CIF \u0914\u0930 DAP \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u092e\u093e\u0928\u094d\u092f \u0939\u0948\u0902\u0964 FCA, CFR, CPT, CIP \u0914\u0930 DDP \u092a\u0930 \u092e\u093e\u092e\u0932\u0947 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u091a\u0930\u094d\u091a\u093e \u0915\u0940 \u091c\u093e \u0938\u0915\u0924\u0940 \u0939\u0948\u0964<\/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\/hi\/wp-json\/wp\/v2\/pages\/668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sun-gears.net\/hi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sun-gears.net\/hi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/hi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/hi\/wp-json\/wp\/v2\/comments?post=668"}],"version-history":[{"count":3,"href":"https:\/\/sun-gears.net\/hi\/wp-json\/wp\/v2\/pages\/668\/revisions"}],"predecessor-version":[{"id":1047,"href":"https:\/\/sun-gears.net\/hi\/wp-json\/wp\/v2\/pages\/668\/revisions\/1047"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/hi\/wp-json\/wp\/v2\/media?parent=668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}