{"id":687,"date":"2026-10-08T07:37:27","date_gmt":"2026-10-08T07:37:27","guid":{"rendered":"https:\/\/sun-gears.net\/gear-rack-installation-alignment-joining\/"},"modified":"2026-10-09T05:43:50","modified_gmt":"2026-10-09T05:43:50","slug":"splined-sun-gear-interface","status":"publish","type":"post","link":"https:\/\/sun-gears.net\/de\/splined-sun-gear-interface\/","title":{"rendered":"Splined Sun Gear Interfaces: What to Measure"},"content":{"rendered":"
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WISSEN<\/div>\n

Splined Sun Gear Interfaces: What to Measure<\/h1>\n

The spline can be as important as the gear teeth. A correct sun gear must both mesh with the planets and fit the drive shaft or hub.<\/p>\n

Technischer Leitfaden<\/span>Planetengetriebe<\/span>Angebotsanfrage<\/span><\/div>\n
Angebot anfordern<\/a>Produkte durchsuchen<\/a><\/div>\n<\/div>\n
\"Splined<\/figure>\n<\/div>\n<\/section>\n
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Spline identity<\/h2>\n<\/div>\n

State the governing spline standard or provide a complete tooth definition, not only the major diameter.<\/p>\n<\/div>\n<\/section>\n

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Fit and datum<\/h2>\n<\/div>\n

Spline fit, effective length, runout to the gear teeth and axial shoulder locations influence assembly.<\/p>\n<\/div>\n<\/section>\n

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Inspektion<\/h2>\n<\/div>\n

Define whether spline gauges, over-pin measurements or runout reports are required.<\/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

\"Splined<\/figure>\n<\/div>\n<\/div>\n<\/section>\n
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RFQ checklist<\/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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A spline adds a second tooth system to the part, so fit, effective length and concentricity must be controlled independently from the external gear mesh.<\/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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Was ist bei der Angebotsanfrage oder der Zeichnung zu kontrollieren?<\/h2>\n<\/div>\n
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Artikel<\/th>\nWas ist zu definieren?<\/th>\n<\/tr>\n<\/thead>\n
Planetary mesh<\/td>\nSun, planet and ring tooth data plus planet count when known.<\/td>\n<\/tr>\n
Schnittstelle im Zentrum<\/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
Annahme<\/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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H\u00e4ufig gestellte Fragen<\/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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Angebotsanfrage<\/div>\n

Angebot anfordern \/ Angebotsanfrage senden<\/h2>\n

Bitte senden Sie uns die Zeichnung, die Zahndaten, die Informationen zu den Gegenst\u00fccken sowie die Anforderungen und die ben\u00f6tigte Menge. Wir pr\u00fcfen die Schnittstelle vor der Angebotserstellung.<\/p>\n

Angebotsanfrage senden<\/a><\/div>\n

Mindestbestellmenge<\/strong>Flexibel nach Produkttyp und Gesamtbestellwert.<\/span><\/div>
Proben<\/strong>Neukunden k\u00f6nnen 1-5 St\u00fcck anfordern, sofern das Teil und der Herstellungsprozess geeignet sind.<\/span><\/div>
Gemischte Bestellungen<\/strong>Verschiedene Sonnenrad- oder Planetengetriebekomponenten k\u00f6nnen kombiniert werden, wenn der Gesamtbestellwert bei etwa 1.500 USD oder dar\u00fcber liegt.<\/span><\/div>
Kleinbestellungen<\/strong>Bestellungen von 1-2 St\u00fcck k\u00f6nnen besprochen werden, in der Regel mit einem h\u00f6heren St\u00fcckpreis.<\/span><\/div>
Lieferung<\/strong>Standardteile: 10\u201325 Werktage. Kundenspezifische Komponenten: 20\u201345 Werktage. Projektausr\u00fcstung: 45\u2013120 Werktage.<\/span><\/div>
Handelsbedingungen<\/strong>EXW, FOB, CIF und DAP werden h\u00e4ufig unterst\u00fctzt. FCA, CFR, CPT, CIP und DDP k\u00f6nnen im Einzelfall besprochen werden.<\/span><\/div><\/div><\/div>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"

The spline can be as important as the gear teeth. A correct sun gear must both mesh with the planets and fit the drive shaft or hub.<\/p>","protected":false},"author":1,"featured_media":1100,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sun-gears"],"_links":{"self":[{"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/posts\/687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/comments?post=687"}],"version-history":[{"count":4,"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/posts\/687\/revisions"}],"predecessor-version":[{"id":1113,"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/posts\/687\/revisions\/1113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/media\/1100"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/media?parent=687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/categories?post=687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sun-gears.net\/de\/wp-json\/wp\/v2\/tags?post=687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}