The Performance of Ball-Piston Mechanism in Hydraulic Motor : Report No.1,Rolling Motion of the Ball and the Coefficient of Friction between the Ball and the Cam

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概要

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• Ball-piston type hydraulic motors must be operated under conditions that the ball does not slide on the cam surface. That is, if the ball does not rotate but slides, a seizure occurs on the ball surface and consequently it scratches the spherical surface of the piston. For the reasons mentioned above an equation was derived to clarify the conditions. Then the coefficient of friction between the ball and the cam that influences the ball rotation was measured by an apparatus specially made for this purpose.

• 一般社団法人日本機械学会の論文

著者

• Kokubun Haruo

  T Suchiura Works Hitachi Construction Machinery Co. Ltd.

• Kometani Eiji

  Tsuchiura Works, Hitachi Construction Machinery Co., Ltd.

• Kometani Eiji

  Tsuchiura Works Hitachi Construction Machinery Co. Ltd.

関連論文

• The Performance of Ball-Piston Mechanism in Hydraulic Motor : Report No.1,Rolling Motion of the Ball and the Coefficient of Friction between the Ball and the Cam
• The Performance of Ball-Piston Multi-Stroke Type Low Speed High Torque Motor : Report No. 1, Experimental Study on Performance of Spherical Surface of Piston

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