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Resin bonder wire saw

A binder and resin technology, applied in the direction of grinding machines, drilling/drilling equipment, drilling tool accessories, etc., can solve the problems of core wire diameter change, wire saw cutting workpiece accuracy deterioration, etc., to achieve improved accuracy, improved efficiency, high The effect of flexibility

Inactive Publication Date: 2010-05-26
NORITAKE SUPER ABRASIVE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the contrary, if the core wire is rotated in the direction opposite to the direction in which the single wire is twisted, the single wire will loosen and thus radially expand, resulting in a change in the diameter of the core wire and deterioration of the accuracy of the wire saw in cutting workpieces.

Method used

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Examples

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Embodiment Construction

[0048] Hereinafter, embodiments according to the present invention will be described with reference to the accompanying drawings.

[0049] figure 1 is a longitudinal sectional view of a resin bond wire saw 1 according to an embodiment of the present invention, Figure 2A is a transverse sectional view of the resin bond wire saw 1, Figure 2B shows the circumcircle of the individual wires that make up the core, Figure 2C is a transverse sectional view of the core wire and the first resin layer;

[0050] will be referred to below figure 1 , Figure 2A to Figure 2C The resin bond wire saw 1 according to the present invention will be described.

[0051] Such as figure 1 and Figure 2A As shown, the resin bond wire saw 1 includes a core wire 2 composed of a plurality of single wires 6 twisted with each other, a first resin layer 3 made of a first resin and surrounding the core wire 2, and a second The second resin layer 5 is made of resin and surrounds the first resin laye...

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PUM

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Abstract

The invention discloses a resin bonder wire saw, which comprises a core wire consisting of a plurality of single wires (6) which are twisted together, a first resin layer (3) which has a first resin and covers the core wire, a second resin layer which has a second resin and covers the first resin layer (3) and adhesive particles (4) immobilized on the second resin layer (5), wherein the diameter of the circumcircle of the cross section of the single wires is equal to or more than 0.20 millimeters and equal to or less than 0.40 millimeters; and the area of the cross section of an area enclosed by the contour line of the single wires (6) and the circumcircle of the single wires is equal to or more than 30 percent of the area of the cross section of the circumcircle and is equal to or less than 55 percent of the area of the cross section of the circumcircle.

Description

technical field [0001] The invention relates to a resin bonded wire saw, which can keep the core wire high flexibility, ensure high bending fatigue strength and high torsional strength, and reduce the variation of the core wire diameter. Background technique [0002] Wire saws to which abrasive grains are fixed can be classified into a thin wire type and a thick wire type according to their usage. For example, in order to reduce the cutting allowance, it is necessary to use a thin cutting wire in multiple slitting, and in order to meet the requirements of the groove diameter, a thicker core wire must be used to make the required thicker cutting wire. Also, when work efficiency is a concern, a thicker cutting wire is required because the object needs to be cut while the wire is under high tension. [0003] However, if the core wire is made thicker, a wire saw incorporating the core wire may have greater tensile strength, but will have less fatigue strength against repeated b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B27/06B24B3/32
Inventor 井手大介
Owner NORITAKE SUPER ABRASIVE CO LTD
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