PROBLEM TO BE SOLVED: To realize a light-weight and compact sized highly reliable cycloid speed reducer.SOLUTION: This invention relates to a cycloid speed reducer (speed reducing part B) in which there are provided an input shaft 25 having eccentric segments 25a and 25b and curved plates 26a and 26b held at outer circumferences of the eccentric segments 25a and 25b through a roller bearing 40, the roller bearing 40 comprises a plurality of cylindrical rollers 44 rotatably arranged between an inner raceway surface 42 and an outer raceway surface 43 and a cage 45 placed between both raceway surfaces 42 and 43 to hold the cylindrical rollers 44 and the cage 45 is made of resin, and a roller filling rate expressed by D×N/(dm×π) is set to 0.6 or more and 0.8 or less, where D is a diameter size of the cylindrical roller 44, N is the number of cylindrical rollers 44 and (dm) is a roller PCD of the cylindrical roller 44.SELECTED DRAWING: Figure 2

    【課題】軽量・コンパクトで信頼性に富むサイクロイド減速機を実現する。【解決手段】偏心部25a,25bを有する入力軸25と、転がり軸受40を介して偏心部25a,25bの外周に保持された曲線板26a,26bとを備え、転がり軸受40が、内側軌道面42と外側軌道面43の間に転動自在に配された複数の円筒ころ44と、両軌道面42,43間に介在して円筒ころ44を保持する保持器45とを備え、保持器45が樹脂で形成されたサイクロイド減速機(減速部B)であって、円筒ころ44の直径寸法をD、円筒ころ44の本数をN、円筒ころ44のころPCDをdmとしたとき、D×N/(dm×π)で表されるころ充填率を0.6以上0.8以下に設定した。【選択図】図2


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    Titel :

    CYCLOID SPEED REDUCER AND MOTOR DRIVE DEVICE WITH CYCLOID SPEED REDUCER


    Weitere Titelangaben:

    サイクロイド減速機およびこれを備えたモータ駆動装置


    Beteiligte:
    SUZUKI MINORU (Autor:in) / UOZUMI TOMOHISA (Autor:in)

    Erscheinungsdatum :

    2016-09-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16C SHAFTS , Wellen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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    Analysis of a cycloid speed reducer

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