EVALUATION METHOD OF VISCOELASTIC PROPERTY OF GREASE AND EVALUATION SYSTEM OF THE SAME

• Main Authors: STOIMENOV BOYKO, KAWAI SHIGEKAZU, KAMIYA TORU, SUZUKI KENSUKE, NAKADA RYUJI
• Format: Patent
• Language: English; Japanese
• Published: 22.01.2015
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

PROBLEM TO BE SOLVED: To achieve an evaluation of viscoelastic property of grease by a simple means.SOLUTION: An evaluation system of viscoelastic property of grease includes: a plate member 5 in which grease G used as a sample is applied on one surface 11; a steel ball 6 which is collided with another surface 12 of the plate member 5; an acquisition device 7 which acquires sound outputted from the plate member 5 in which the steel ball 6 is collided in non-contact state with the plate member 5, and outputs signal i corresponding to a level of the acquired sound; and an analysis device 8 which determines an index for analyzing the signal i and evaluating viscoelastic property of the grease G. 【課題】グリースの粘弾性特性の評価を簡便な手段によって実現可能とする。【解決手段】グリースの粘弾性特性の評価システムは、試料となるグリースＧが一面１１側に塗布される板部材５と、この板部材５の他面１２側に衝突させる鋼球６と、この鋼球６を衝突させた板部材５から出力される音をこの板部材５と非接触の状態で取得し、取得した音のレベルに応じた信号ｉを出力する取得器７と、信号ｉを解析してグリースＧの粘弾性特性を評価するための指標を求める解析装置８とを備えている。【選択図】 図１