Cutting roller for fragile material substrate and line drawer therewith

A brittle material substrate, scriber technology, applied in manufacturing tools, glass manufacturing equipment, metal processing and other directions, can solve problems such as residual stress, tool tip wear, glass plate slippage, etc., to reduce the occurrence of horizontal cracks, horizontal The effect of reducing the occurrence of cracks

Inactive Publication Date: 2002-03-06
MITSUBOSHI DIAMOND IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, if the above-mentioned glass cutting wheel is used, deep cut marks (vertical cracks) cannot be obtained, and it is easy to slip on the glass plate during scribing, and the tip of the knife is prone to abrasion, re

Method used

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  • Cutting roller for fragile material substrate and line drawer therewith
  • Cutting roller for fragile material substrate and line drawer therewith
  • Cutting roller for fragile material substrate and line drawer therewith

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] figure 2 A first embodiment of the present invention is shown. The ridge line portion 13 of the V-shaped left and right blades 12 of the tip of the knife, that is, the glass cutting cutter wheel 11, is formed into a regular 60-angle shape (results viewed from the side; simplified to a regular 18-angle shape in the figure for easy understanding), and by including all Cut off the blade face on the plane of each side of the regular 60-angle, and form the V-shaped blade 12 with a blade angle θ of 125°. That is to say, at any place on the blade 12 that contains the blade tip 13, the side section at this place all becomes a regular 60-angle shape, figure 2 The side section on the line Q-Q' in is shown on the right.

[0023] In addition, as can be understood from the production examples described later, the blade tip 13 is actually continuously formed by continuously forming the blade 12 .

[0024] Dimensions of cutter wheel 11

Cutter wheel diameter (φ):...

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PUM

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Abstract

A cutter wheel for brittle material substrate. The glass cutter wheel having knife blades of a V shape along the circumferential part of a disk-shaped wheel is so formed that blade edges, for example, the ridgeline parts of the knife blades have a polygonal shape when viewed from sideways in forming the knife blades of the V shape. A scriber has a relatively moving unit moving in X-direction and Y-direction, campared to the glass cutter head arranged on the platform. The glass cutter head is provided with a cutter wheel for brittle material substrate. This inventive cutter wheel and scriber overcome effectively the problem such that a large quantity of horizontal cracks to degrade quality occur with the conventional glass cutter wheel.

Description

technical field [0001] The invention relates to a cutting wheel for a brittle material substrate and a scriber using the same, in particular to a glass cutting wheel and a scriber using the same. Background technique [0002] In the description of the present invention, a glass cutter wheel whose processing object is a glass plate will be described as an example. In addition, the cutter wheel can be used for cutting brittle materials such as semiconductor wafers or ceramics. [0003] The glass cutting cutter wheel is a disc made of superhard alloy or diamond. The method is installed on the head of the automatic glass scriber. [0004] However, if the above-mentioned glass cutting wheel is used, deep cut marks (vertical cracks) cannot be obtained, and it is easy to slip on the glass plate during scribing, and the tip of the knife is prone to abrasion, resulting in problems in the quality of the glass after processing. Residual stress will be generated along the scoring lin...

Claims

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Application Information

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IPC IPC(8): C03B33/10
CPCC03B33/107Y10T83/0385Y10T83/9403C03B33/10
Inventor 前川和哉若山治雄
Owner MITSUBOSHI DIAMOND IND CO LTD
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