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Cutter wheel for cutting glass

A cutter wheel and glass technology, applied in glass cutting devices, glass production, glass manufacturing equipment, etc., can solve problems such as damage to glass breaking strength and yield reduction, achieve ease of folding and cutting process, promote the growth of cracks, improve The effect of segmentation process yield

Inactive Publication Date: 2008-02-13
TOYO KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0010] The intermittent cutting at the intersection reduces the yield rate in the subsequent fracture process, and extremely damages the fracture strength of the glass after cutting

Method used

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  • Cutter wheel for cutting glass
  • Cutter wheel for cutting glass
  • Cutter wheel for cutting glass

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Embodiment Construction

[0032] Next, embodiments of the present invention will be described together with illustrated examples.

[0033] As shown in FIG. 1 , the structure of the cutter wheel 1 for glass cutting is that, on both sides of the outer periphery of the disc-shaped wheel body 1a with the shaft hole 2 penetrating along the shaft center, there are provided with inverted blades extending from the central part in the width direction to the side surface. The inclined inclined surface 3 forms an annular knife-edge ridgeline 4 by the intersecting portion of the two inclined surfaces 3 . On the above-mentioned two inclined surfaces 3 , grinding grains 5 are attached at intervals from the knife-edge ridgeline 4 .

[0034] As the material of the above-mentioned wheel body 1a, any one of diamond sintered body and cemented carbide can be used. Incidentally, the size of the wheel body 1a is set such that the maximum outer diameter is 2 mm to 6 mm, and the thickness in the axial direction is 0.3 mm to 6 ...

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PUM

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Abstract

A glass cutter wheel includes a wheel body having a pair of inclined surfaces defining an annular cutting edge therebetween and extending obliquely radially inwardly from the cutting edge to the respective side surfaces of the wheel body. Each inclined surfaces is formed with ground lines that are spaced from the cutting edge by a distance of 2 to 100 mum. Because the cutting edge penetrates into a glass material by a distance of 3 to 7 mum without the need to form ribs on the cutting edge, the ground lines serve to form a large number of vertical cracks. This completely prevents discontinuous cutting lines and chipping of the glass material at intersections of cutting lines, and also serves to provide smooth cut surfaces, thereby increasing the breaking strength.

Description

technical field [0001] The invention relates to a cutter wheel for cutting glass, which is used to generate cutting lines in glass. Background technique [0002] The cutter wheel for glass cutting, which is mounted on a glass cutting machine or a cutting tool so that it can be rotated and has a cutting line on the glass surface, has a structure that is inclined from the center to the side on both sides of the outer periphery of the wheel body. Inclined surface, and an annular knife edge line is formed by the intersection of the two inclined surfaces. The above-mentioned cutter wheel for glass cutting is mainly formed by processing two kinds of raw materials, superhard alloy or diamond sintered body. [0003] In the conventional production of cutter wheels for cutting glass, the raw material hardness of cemented carbide cutter wheels is Vickers hardness HV2000. When grinding with a diamond grinding wheel to form the blade tip, the inclined surface from the edge line of the bl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B33/10
CPCC03B33/107Y02P40/57C03B33/10C03B33/12
Inventor 荒井麻子
Owner TOYO KOGYO CO LTD
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