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Grinding wheel and grinding method

A grinding and grinding wheel technology, which is applied to the parts of grinding machine tools, grinding/polishing equipment, grinding/polishing safety devices, etc., to achieve effective cooling

Inactive Publication Date: 2017-07-28
DISCO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the shape correction of turning tools such as diamond blades and superhard turning tools requires special processing such as electric discharge machining, and there is a problem that additional equipment for shape correction is required and a lot of time is required.

Method used

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  • Grinding wheel and grinding method
  • Grinding wheel and grinding method
  • Grinding wheel and grinding method

Examples

Experimental program
Comparison scheme
Effect test

experiment example

[0050] Hereinafter, experimental examples will be described. In the experimental example, the evaluation workpiece was ground using a grinding wheel in which the blade width and the number of grinding tools were changed, and the state of the grinding surface of the evaluation workpiece was confirmed. Even when the blade width is changed, the number of grinding tools is set so as to be the same as the contact area of ​​the evaluation workpiece. As a grinding wheel, a grinding wheel having a grinding wheel diameter of 200 mm was mounted on a grinding wheel base having the same particle diameter as a metal bonded abrasive, and as an evaluation workpiece, a resin substrate of 130×130 mm was used. In addition, as processing conditions, it implemented according to the following processing conditions.

[0051] Spindle speed: 6000【rpm】

[0052] Feed speed: 10【mm / sec】

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Abstract

The present invention provides a grinding wheel and a grinding method which can well thin a workpiece formed of resin or metal, and can recover grinding performance easily in a short period of time when the shape of an abrasive member is degraded. A grinding wheel (40) includes a wheel base (41) to be fixed to a spindle, a plurality of abrasive members (50) fixed to the wheel base, and a plurality of grinding water supply holes (46) for supplying a grinding water to the abrasive members. Each abrasive member is formed as a segment abrasive having an outer surface extending downward from the lower surface of the wheel base so as to be inclined radially outward. The plural abrasive members are arranged annularly at given intervals. The plural grinding water supply holes are formed on the lower surface of the wheel base in the vicinity of the abrasive members so as to each correspond to the abrasive members in the condition where each grinding water supply hole lies on a line connecting the corresponding abrasive member and the axis of rotation of the wheel base.

Description

technical field [0001] The present invention relates to a grinding wheel and a grinding method for grinding workpieces such as resin substrates. Background technique [0002] Generally, tough materials such as resins and metals are cut with a turning tool cutting device for flattening or thinning (for example, refer to Patent Document 1). In the turning tool cutting device described in Patent Document 1, a grinding wheel base is mounted on a mounting seat of a spindle rotating around a vertical axis, and a diamond blade or a superhard turning tool is fixed to a part of the outer peripheral portion of the grinding wheel base. Waiting for turning tools. And, the turning tool rotates around the vertical axis of the main shaft, whereby the sharp-angled cutting edge of the turning tool scrapes the tough material as the workpiece held on the chuck table to make it flat or flat. thinning. [0003] Patent Document 1: Japanese Patent Laid-Open No. 2000-173954 [0004] In the grin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/00B24B53/12B24B55/02
Inventor 藤谷凉子中川义康
Owner DISCO CORP
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