Characteristics of Threaded Joints in Ultrasonic Vibrating System

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概要

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• In order to develop the most suitable design method of the threaded joints in an ultrasonic vibration system, the effects of dimensions of threaded joint, form accuracy of bearing surface and tightening force on the characteristics of transmitting ultrasonic vibration are investigated experimentally and theoretically. The obtained results are as follows: 1) The methods, which evaluate the characteristics of the threaded joints in the ultrasonic vibration system by detecting the critical stress amplitude at bearing surface and the motional admittance, are proposed. 2) In the case o high accuracy of bearing surface the critical stress amplitude is approximately equal to the mean stress on contact surface and the mechanical resistance is close to that of solid bar. In the case of low accuracy of bearing surface the critical stress amplitude is much lower than the mean stress on contact surface and the mechanical resistance is larger than that of solid bar.

• 一般社団法人日本機械学会の論文

著者

• Maruyama Kazuo

  Tokyo Institute Of Technology Nagatsuta

• Maruyama Kazuo

  Tokyo Institute Of Technology

• YOSHIMOTO Isamu

  Tokyo Institute of Technology.

• Yoshimoto Isamu

  Tokyo Institute Of Technology

• KUMEHARA Hiroyuki

  Gunma University

• MORIMURA Koichi

  Mitsubishi Heavy Industries, Ltd

• Morimura Koichi

  Mitsubishi Heavy Industries Ltd

関連論文

• Investigations on the Differential Speed Type Thread Rolling Machine : 2 nd Report, Rolling Power and the Calculation of the Outside Diameter of Rolling Die
• Investigations on the Differential Speed Type Thread Rolling Machine : 1 st Report, Rolling Pressure and the Calculation of the Center Distance between Rolling Dies
• On characteristics of a bolted joint with a tap bolt
• The Force Ratio of Bolted Joints : The case where clamped parts are flanges
• The Rolling Pressure of the Flat Die Type Thread Rolling Machine
• Fatigue Test by Staircase Method with Small Samples
• The Effect of the Thread Rolling Conditions on the Fatigue Strength of the Rolled Screw Threads : 2nd Report, Rotating Bending Fatigue Strength of the Specimens with a Rolled V Groove
• Characteristics of Threaded Joints in Ultrasonic Vibrating System
• The Effect of the Thread Rolling Conditions on the Fatigue Strength of the Rolled Screw Threads : 1st Report, Investigations on the Thread Rolling Conditions
• The Characteristics of Bolted Joints Subjected to External Bending Moments : (Analysis of the Case Where Clamped Parts are Pipe Flanges with Gaskets by Three-Dimensional Theory of Elasticity)

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