The Variation of Characteristics in Rubber Vibration-isolator due to its Curing Conditions

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概要

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• Characteristics of rubber vibration-isolator vary evidently by its curing conditions. As the temperature and the time of vulcanization have large influences upon its characteristics, the present author prepared some test pieces, which were devided into two groups viz. (A) group, in which the temperature was kept constant and the curing time was varied, (B) group, in which the curing time was kept constant, while the temperature was varied, as the curing conditions. Then some experiments were made on the influences of these conditions. In dynamic and creep tests the following results were obtained : (1) Shore hardness increases with the advance of cure, and it decreases with the thermal degradation caused by too high temperature. (2) Real part of complex modulus and coefficients of frequency characteristics increase with hardness, and imaginary part of this modulus increases in spite of degradation. (3) Loss factor and creep deformation proved to have minimum values under same curing conditions. In conclusion the best condition for vulcanization is that of loss factor and creep are both in the minimum values.

• 一般社団法人日本機械学会の論文

著者

• SEKIGUCHI Hisayoshi

  Himeji Institute of Technology

• Sekiguchi Hisayoshi

  Himeji Technical College

関連論文

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• Research on a Noise Control Device (5 th Report, the Noise Reduction Effect of Application to a Machine and Its Prediction Method by a Scale Model Experiment) : Series C : Vibration, Control Engineering, Engineering for Industry
• The Isolation of Random Vibration : Case of Wide Band White Noise
• Studies on Dynamic Measurement Method of Mass and Weight (Part 4) : Results of the Dynamic Weighing Experiment Using a Trial-manufactured Device with Discussions on the Methodological Aspects of "Dynamic Measurement Method"
• Studies on Dynamic Measurement Method of Mass and Weight : Part 3, Statistical Characteristics of the Measured Value Obtained Via "Dynamic Weighing Method-B"
• The Variation of Characteristics in Rubber Vibration-isolator due to its Curing Conditions
• The Spring Constants of Compound Type Rubber Vibration Isolators

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