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Holder unit and scribing method,

A retainer and scoring wheel technology, applied in glass manufacturing equipment, stone processing tools, work accessories, etc., can solve problems such as quality reduction, and achieve the effect of improving quality and reducing manufacturing costs

Inactive Publication Date: 2019-12-10
MITSUBOSHI DIAMOND IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] When scribing a workpiece with a conventional scribing device, vertical cracks, which are cracks along the thickness direction of the workpiece, may occur on the workpiece as the scribe line is formed. The quality of the formed state will be reduced

Method used

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  • Holder unit and scribing method,
  • Holder unit and scribing method,
  • Holder unit and scribing method,

Examples

Experimental program
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Effect test

Embodiment approach

[0074] The scribing device moves the scribing wheel relative to the workpiece while pressing the scribing wheel against the workpiece, thereby forming a scribe line on the surface of the workpiece. This action in the scoring device is called scanning of the scoring wheel. Scanning methods of the scoring wheel are mainly classified into three methods. In the first scanning method, the position of the scribing wheel is maintained during the scribing process, and the workpiece is conveyed with respect to the scribing wheel. As the workpiece is conveyed, the scribing wheel scans the surface of the workpiece relatively in a predetermined scanning direction. In the second scanning method, the position of the workpiece is maintained during the scribing process, and the scribing wheel scans the workpiece in a predetermined scanning direction. In the third scanning method, the first scanning method and the second scanning method are combined, and the scribing wheel scans the workpiec...

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Abstract

The present invention relates to a holder unit and a scoring method, which improve the quality of a workpiece to be scribed. The holder unit (100) includes a holder (110), a pin (200) supported by theholder (110), and a scribing wheel (120) supported by the pin (200). The scribing wheel (120) includes a second insertion hole (121) through which a pin (200) is inserted. The wheel inner peripheralsurface (122) of the scribing wheel (120) defining the second insertion hole (121) is formed of a highly wear-resistant material. The diameter of the middle portion of the second insertion hole (121)is smaller than the diameter of the end portion of the second insertion hole (121). The pin (200) includes a pin body and a protective layer (220) for protecting the outer peripheral surface of the pin body. The protective layer (220) includes a plurality of highly abrasion-resistant particles having high abrasion resistance with respect to the wheel inner peripheral surface (122).

Description

technical field [0001] The present invention relates to a holder unit and a scoring method for scoring processing. Background technique [0002] A scribing device is used when forming scribe lines on workpieces such as brittle material substrates. The scribing device includes a holder unit. The holder unit includes a scoring wheel for scoring a workpiece. In the scribing process, the workpiece and the scribing wheel are moved relative to each other while the scribing wheel is pressed against the surface of the workpiece to form scribed lines on the workpiece. In addition, patent document 1 is mentioned as an example of the conventional scribing apparatus. [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanese Patent Laid-Open No. 2017-119348 [0006] The problem to be solved by the invention [0007] When scribing a workpiece with a conventional scribing device, vertical cracks, which are cracks along the thickness direction of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28D1/22B28D7/04B28D7/00C03B33/027
CPCB28D1/225B28D7/00B28D7/046C03B33/027
Inventor 小笠原规幸平栗阳辅椙山敦
Owner MITSUBOSHI DIAMOND IND CO LTD
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