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Corrugated monofilament type steel wire for cutting

A monofilament type, corrugated technology, applied in the field of corrugated monofilament type steel wire for cutting, can solve the problem of the performance of the abrasive carrier, and achieve the effects of reducing wear, improving efficiency, and high-precision surface flatness

Inactive Publication Date: 2016-03-23
HYOSUNG ADVANCED MATERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although this prior art has slightly improved the performance of the abrasive carrier, it usually takes a lot of time to change the outer surface of the cutting wire, which reduces the manufacturing process and increases the production cost, and the performance of the abrasive carrier will also decline with the use process.

Method used

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  • Corrugated monofilament type steel wire for cutting
  • Corrugated monofilament type steel wire for cutting
  • Corrugated monofilament type steel wire for cutting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The wirerod with a carbon content of 0.70-1.05% and a diameter of 5.5 mm is drawn twice, followed by heat treatment and brass plating, and finally drawn to a diameter of 0.100 mm to prepare a monofilament steel wire. Next, using a corrugation device, corrugated monofilament steel wire for cutting was produced by giving corrugation to two planes of the monofilament steel wire that was finally drawn and not provided with corrugation, and making εxP 0.1 and εxd 0.15h. The obtained corrugated monofilament steel wire for cutting was evaluated for its wire diameter, corrugation period, elongation, and elongation at break, and the results are shown in Table 1 below.

[0057] On the other hand, after cutting a silicon ingot with a diameter of 150 mm using a slurry made of silicon carbide, the physical properties and productivity of the wafer were evaluated by the following methods and the results are listed in Table 1 below. .

[0058] [Physical property evaluation method]

...

Embodiment 2

[0064] For the wire rod (wirerod) with a carbon content of 0.70-1.05% and a diameter of 5.5 mm, the drawing process is performed twice, followed by heat treatment and brass plating, and finally drawn to 0.115 mm to prepare a monofilament type steel wire. When giving corrugation, Except that εxP was set to 0.5 and εxd was set to 0.32h, the rest was carried out in the same manner as in Example 1 to produce corrugated monofilament steel wires for cutting, and the physical properties were evaluated and listed in Table 1 below.

Embodiment 3

[0066] Except for setting εxP to 1.0 and εxd to 0.26h, the same procedure as in Example 2 was carried out to produce a corrugated monofilament steel wire for cutting, and various physical properties were evaluated and listed in Table 1 below.

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Abstract

The present invention relates to a wavy monowire for cutting, which is for the purpose of cutting hard materials, such as hard glass, semiconductors, and cemented carbide. The present invention can improve the abrasive material holding performance, thereby improving the cutting workability and the quality of cut surfaces.

Description

technical field [0001] The present invention relates to a corrugated monofilament type steel wire for cutting, and more particularly, the present invention relates to a corrugated monofilament type steel wire for cutting semiconductor ingots, ceramics, glass or similar hard materials. Background technique [0002] Wafers made of silicon (solar cell substrates, etc.), quartz (used in various industrial fields such as automobiles), gallium arsenide (high-frequency electronic products), etc. are ingots that will be made into cylindrical shapes. Formed after cutting into thin disks. The cutting mechanism of the crystal ingot is to use abrasive and wire to cut the object to be cut. At this time, brass-plated monofilament type steel wire was used as the existing wire that functions as an abrasive carrier, but recently, products have been developed in which the surface of the wire is processed to enhance the ability to carry abrasives in order to improve cutting performance. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28D5/04C03B33/02
CPCY02P40/57H01L21/30
Inventor 崔榕帝
Owner HYOSUNG ADVANCED MATERIALS CORP
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