SHAFT FOR ROTARY MACHINE

To provide a shaft for a rotary machine capable of providing a relief groove without reducing a shaft diameter.SOLUTION: A shaft for a rotary machine comprises: a first shaft part provided with a rotatably supporting bearing; a second shaft part which has an external diameter larger than that of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TOMITA YOKI, NEGISHI TOMOHIRO, KONDO MASAHIRO, MATSUMAE TARO, SAKAMOTO SHU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To provide a shaft for a rotary machine capable of providing a relief groove without reducing a shaft diameter.SOLUTION: A shaft for a rotary machine comprises: a first shaft part provided with a rotatably supporting bearing; a second shaft part which has an external diameter larger than that of the first shaft part and into which a rotor core is inserted from an axial direction; and a step part which connects the first shaft part with the second shaft part and is a surface thai is orthogonal in the axial direction and abutts on the bearing. A relief groove part is formed in the step part continuously from an outer peripheral surface of the first shaft part.SELECTED DRAWING: Figure 1 【課題】軸径を小さくすることなく逃げ溝を設けることが可能な回転機用シャフトを提供することを目的とする。【解決手段】本開示に係る回転機用シャフトは、回転可能に支持するベアリングが設けられる第１軸部と、第１軸部よりも外径が大きく、ロータコアが軸方向から挿入される第２軸部と、第１軸部と第２軸部とを接続する、軸方向に直交し、前記ベアリングが当接する面である段差部と、を備え、第１軸部の外周面から連続して段差部に逃げ溝部が形成される。【選択図】図１