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A device and method for testing the safety performance of resin diamond soft grinding discs

A technology of safety performance and testing device, applied in the direction of applying stable torque to test the strength of materials, can solve the problems of large errors, incomplete testing items, inconvenient operation, etc., and achieve the effect of eliminating errors, uniform testing conditions, and convenient operation.

Inactive Publication Date: 2018-06-22
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a safety performance testing device and method for resin diamond soft grinding discs to solve the problem of incomplete testing items, inconvenient operation and large errors in the prior art The problem

Method used

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  • A device and method for testing the safety performance of resin diamond soft grinding discs

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Embodiment Construction

[0022] The safety performance testing device for resin diamond soft grinding discs provided by the present invention comprises a sample fixing unit, a torque loading unit and a control unit, the sample fixing unit includes a frame 1, and a guide rail 2 is arranged on the frame 1, and the guide rail 2 is arranged from bottom to top. The movable beam 4 and the base plate 7 that can move along the guide rail 2, the movable beam power device is set on the frame 1, preferably a screw nut mechanism 3, the fixed load sensor 5 is fixed on the movable beam 4, and the load sensor 5 is used to display the nylon during the test. The buckle and the soft grinding plate are subject to pressure, the movable beam 4 and the base plate 7 are movably connected by the connecting bolt 6, the connecting screw 6 passes through the through hole on the movable beam 4 and is fixed on the base plate 7, the length of the connecting bolt 6 is greater than the height of the load cell 5, The length of the con...

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Abstract

The invention relates to a resin diamond soft polishing pad safety performance testing device, which comprises a sample fixation unit and a torque loading unit. The sample fixation unit consists of a rack, the rack is equipped with a guide rail, a movable crossbeam and a base plate able to move along the guide rail is arranged on the guide rail from bottom up, the rack is equipped with a movable crossbeam power apparatus, a load sensor is fixed on the movable crossbeam, the movable crossbeam and the base plate are in flexible connection, both ends of the base plate are provided with guide rail locking apparatuses, and a sample board is connected to the base plate. The torque loading part includes a movable disc and a torque sensor fixedly connected to the movable disc, and the other end of the torque sensor is in connection with a torque generation mechanism. According to the invention, the sample clamping is standard and reliable, the operation is convenient, the test conditions are uniform, errors caused by human factors are eliminated, a minimum torque value of sample failure can be tested accurately, thus finding 4 weakest links involved in resin diamond soft polishing pad safety performance. Existing technologies can only detect the bonding strength of a working face and a mounting surface, so that the device and the method provided by the invention have stronger practicability.

Description

technical field [0001] The invention belongs to the field of testing the safety performance of abrasive tools, in particular to a method and device for testing the safety performance of resin diamond soft grinding discs. Background technique: [0002] Resin diamond soft grinding discs are mainly used for grinding and polishing stone, glass, floor tiles and other building materials. It consists of a working surface and an installation surface. The working surface is made of diamond, resin and other fillers, the mounting surface is made of the loop surface of the nylon hook and loop, and the working surface and the mounting surface are bonded together with an adhesive. When in use, the ring surface of the installation surface is attached to the Velcro belt of the mill head, and the head rotates to drive the resin diamond soft grinding disc for grinding. The high-speed rotation requires safety performance must be guaranteed. [0003] The safety performance of resin diamond sof...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/22
Inventor 吕申峰张克选高艳兵包华
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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