Production method of brazed diamond wire saw

A production method, diamond wire technology, applied in the field of cutting tools, can solve the problems of difficult moving speed of free abrasive steel wire, limitation of cutting efficiency improvement, poor wear resistance and heat resistance, etc., achieve fast production speed and reduce production cost , the effect of high effective utilization rate

Inactive Publication Date: 2009-12-09
江苏中博钻石科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problems of this process are: the working environment is harsh and the kerf loss is large; it is difficult to increase the moving speed of the steel wire with free abrasive grains, and the improvement of cutting efficiency is limited, so it has been longing for the application of fixed abrasive wire cutti

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0028] In this method, a brazing diamond wire with a steel wire base diameter of 0.25 mm, a diamond diameter of 20-30 μm, and a finished wire diameter of 0.3 ± 0.01 mm is tested, and the running speed is 10 m / min.

[0029] 1. After degreasing and pickling, the steel wire is activated with acetone and put into a box for storing solder. The box stores paste solder (deionized water and solder quality account for 50% each), and there is a magnetic stirrer in the box. The unit stirs constantly to mix the paste solder evenly. The mass percent of each component in the solder is:

[0030] Aluminum 20-25%

[0031] Tin 15~20%

[0032] Zinc 15-20%

[0033] Silver 10-15%

[0034] Chromium 3~8%

[0035] The balance is rare earth metal zirconium

[0036] The sum of the mass percentages of each component is 100%.

[0037] 2. The steel wire adhered to the solder enters a wire drawing die with a diameter of 0.28mm, and the steel wire is positioned at the center of the wire drawing die t...

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PUM

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Abstract

The invention relates to a production method of a brazed diamond wire saw, comprising the following process steps: 1. a steel wire enters a vessel stored with paste solder; 2. the steel wire adhered with solder enters a first wire-drawing die to facilitate the steel wire passing through the first wire-drawing die to be evenly coated with a layer of solder; 3. the steel wire adhered with solder enters a sealed dust box which contains diamond powder with diameter being 20-30 mum, a blower device blows the diamond fine powder, and the steel wire adhered with solder is evenly coated with a layer of diamond powder after passing through the dust box; 4. the steel wire adhered with solder enters a second wire-drawing die and is evenly and tightly coated with a layer of diamond powder; 5. the steel wire adhered with solder enters the center of a coil of high frequency induction welding, the solder melts down instantly, and diamond and the wire are fixedly and metallurgically bonded; and 6. a roll-up wheel evenly winds the finished diamond wire by welding. The method of the invention has quick production speed, and the prepared brazed diamond wire saw has long service life.

Description

(1) Technical field [0001] The invention relates to a manufacturing method of a brazing diamond wire saw. Mainly used for cutting silicon, crystal and various hard and brittle materials. It belongs to the technical field of cutting tools. (2) Background technology [0002] For the cutting of silicon, crystal and various hard and brittle materials, multi-wire cutting is mainly used to improve processing efficiency. The current wire cutting is a free abrasive method in which viscous slurry is supplied to the piano wire while cutting. However, the problems of this process are: the working environment is harsh and the kerf loss is large; it is difficult to increase the moving speed of the steel wire with free abrasive grains, and the improvement of cutting efficiency is limited, so it has been longing for the application of fixed abrasive wire cutting tools. In view of this situation, fixed abrasive wire cutting tools such as electroplated diamond wire cutting tools and resin...

Claims

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Application Information

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IPC IPC(8): B28D5/04B28D1/02
Inventor 庄政伟
Owner 江苏中博钻石科技有限公司
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