Rubber wear testing device

Patent metadata

Field	Value
Publication number	US-11333592-B2
Application number	US-201716316176-A
Country	US
Kind code	B2
Filing date	Feb 27, 2017
Priority date	Jul 12, 2016
Publication date	May 17, 2022
Grant date	May 17, 2022

Abstract

Provided is a rubber wear testing device including a holding portion for holding a test sample of rubber, and a compression bonding mechanism for applying an additional force oriented to a circular circumferential surface of a rotation body rotating such that the test sample is pressed to the circular circumferential surface at a predetermined fixed position and the movement of the test sample in a direction opposite to the additional force is always allowed.

First claim

The invention claimed is:

1. A rubber wear testing device comprising:
a holding unit configured to hold a test sample of rubber without rotating the test sample;
a rotation body including a circular circumferential surface in contact with the test sample;
a drive unit configured to drive and rotate the rotation body; and
a compression bonding mechanism configured to apply a force oriented to the circular circumferential surface to the test sample held by the holding unit and always allow movement of the test sample in a direction opposite to the force,
wherein the test sample held, without rotating, by the holding unit with respect to the rotation body being driven and rotated is configured to be compressed and bonded to the circular circumferential surface at a predetermined fixed position; and
wherein the test sample slides on the circular circumferential surface, repeating a process in which the test sample counteracts frictional force on the circular circumferential surface and is elastically deformed and a process in which the test sample cannot counteract the frictional force and elastic deformation is released.

2. The rubber wear testing device according to claim 1 , further comprising a control unit configured to control a rotation speed of the rotation body and the force.

3. The rubber wear testing device according to claim 2 , further comprising a dynamometer configured to measure energy required for driving and rotating the rotation body.

4. The rubber wear testing device according to claim 3 , further comprising a temperature sensor configured to detect a temperature of at least one of the circular circumferential surface or the test sample.

5. The rubber wear testing device according to claim 4 , further comprising a camera configured to take a photograph of the movement of the test sample.

6. The rubber wear testing device according to claim 5 , further comprising a temperature control mechanism configured to adjust the temperature of the test sample.

7. The rubber wear testing device according to claim 6 , further comprising a scraper configured to come into contact with the circular circumferential surface.

8. The rubber wear testing device according to claim 7 , further comprising a feeding mechanism configured to feed an interposing object interposed between the test sample and the circular circumferential surface in contact with the test sample.

9. The rubber wear testing device according to claim 1 , further comprising a dynamometer configured to measure energy required for driving and rotating the rotation body.

10. The rubber wear testing device according to claim 1 , further comprising a temperature sensor configured to detect a temperature of at least one of the circular circumferential surface or the test sample.

11. The rubber wear testing device according to claim 1 , further comprising a camera configured to take a photograph of the movement of the test sample.

12. The rubber wear testing device according to claim 1 , further comprising a temperature control mechanism configured to adjust a temperature of the test sample.

13. The rubber wear testing device according to claim 1 , further comprising a scraper configured to come into contact with the circular circumferential surface.

14. The rubber wear testing device according to claim 1 , further comprising a feeding mechanism configured to feed an interposing object interposed between the test sample and the circular circumferential surface in contact with the test sample.

Assignees

• Yokohama Rubber Co Ltd

Inventors

• Hou Gang
• Hatanaka Susumu

Classifications

• G01N33/445

  Rubber · CPC title

• G01N3/56 Primary

  Investigating resistance to wear or abrasion · CPC title