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A kind of ceramic superhard grinding wheel for double-end grinding stainless steel products and preparation method thereof

A double-end, stainless steel technology, applied in bonded grinding wheels, grinding/polishing equipment, abrasives, etc., can solve problems such as high wear, difficult stainless steel grinding, and easy adhesion of grinding debris on the surface of the grinding wheel

Active Publication Date: 2020-04-24
江苏赛扬精工科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the stainless steel material is relatively special, containing a relatively high content of nickel, chromium and other viscous metal components, the material has good toughness and is not easy to process
At present, the grinding efficiency of ordinary resin or ceramic grinding wheels is low, and the grinding debris is easy to adhere to the surface of the grinding wheel and cause burns. At the same time, the abrasion is high and time-consuming. The grinding of stainless steel has always been a technical problem.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] A vitrified superhard grinding wheel for double-end surface grinding of stainless steel products, including a substrate and abrasive segments, the raw materials of the abrasive segments include the following components in volume percentage:

[0068] Diamond 40%

[0069] cBN 3%

[0070] Vitrified bond 34%

[0071] Chrome alumina 10%

[0072] Sodium silicate 13%

[0073] The substrate is a steel base, and the vitrified bond mentioned above includes SiO 2 、Al 2 o 3 , B 2 o 3 、Na 2 O. Li 2 O and additive, described additive is TiO 2 and CaO, the mass percentages of each component are as follows:

[0074] SiO 2 62%

[0075] Al 2 o 3 8%

[0076] B 2 o 3 13%

[0077] Na 2 O 9%

[0078] Li 2 O 3%

[0079] TiO 2 2%

[0080] CaO 3%

[0081] The weight percent of chromium oxide in the above-mentioned chromium corundum abrasive is 0.2%.

[0082] The preparation steps of above-mentioned emery wheel are as follows:

[0083] The first step, mixing mater...

Embodiment 2

[0091] The rest are the same as in Example 1, except that the raw material of the above-mentioned abrasive segment comprises the following components in volume percentage:

[0092] Diamond 5%

[0093] cBN 3%

[0094] Ceramic bond 40%

[0095] Chrome corundum 40%

[0096] Phenolic resin solution 12%

[0097] The abrasives mentioned above are non-equal-area abrasives (needle-like, flake-like).

[0098] The vitrified bond mentioned above includes SiO 2 、Al 2 o 3 , B 2 o 3 、Na 2 O. Li 2 O and additive, described additive is K 2 O, ZrO 2， The mass percent of each component is:

[0099] SiO 2 45%

[0100] Al 2 o 3 12%

[0101] B 2 o 3 13%

[0102] Na 2 O 15%

[0103] Li 2 O 8%

[0104] K 2 O 5%

[0105] ZrO 2 2%

[0106] The weight percent of chromium oxide in the chromium corundum abrasive is 2.0%.

[0107] The superhard grinding wheel prepared by the formula in this example can process a plate of stainless steel workpiece at the fastest cycle time...

Embodiment 3

[0109] The rest are the same as in Example 1, except that the raw material of the above-mentioned abrasive segment comprises the following components in volume percentage:

[0110] Diamond 30%

[0111] cBN 15%

[0112] Ceramic bond 12%

[0113] Chrome corundum 35%

[0114] Sodium silicate 8%

[0115] The abrasives mentioned above are non-equal-area abrasives (needle-like, flake-like).

[0116] The vitrified bond mentioned above includes SiO 2 、Al 2 o 3 , B 2 o 3 、Na 2 O. Li 2 O and additive, described additive is K 2 O, TiO 2 , the mass percent of each component is:

[0117] SiO 2 40%

[0118] Al 2 o 3 35%

[0119] B 2 o 3 12%

[0120] Na 2 O 8%

[0121] Li 2 O 2%

[0122] K 2 O 1%

[0123] TiO 2 2%

[0124] The weight percent of chromium oxide in the chromium corundum abrasive is 1.0%.

[0125] The superhard grinding wheel prepared by the formula in this example can process a plate of stainless steel workpiece at the fastest cycle time of 42 se...

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PUM

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Abstract

The invention discloses a ceramic superhard grinding wheel for grinding double-end surfaces of stainless steel products and a preparation method thereof. Non-equal-area cBN mixture, diamond abrasive accounts for 50-90% of the total weight of the main abrasive. Adopting the scheme of the present invention greatly reduces the occurrence of sticking chips and workpiece burns in the process of grinding and processing stainless steel workpieces, and at the same time improves the processing efficiency; the present invention also discloses the preparation of the above-mentioned special ceramic superhard grinding wheel for grinding the double-end surfaces of stainless steel products method.

Description

technical field [0001] The invention relates to a ceramic superhard grinding wheel for grinding double-end surfaces of stainless steel products and a preparation method thereof. Background technique [0002] Due to its high hardness and strength after nitriding, stainless steel is more and more widely used in the manufacturing industry. However, the stainless steel material is relatively special, containing a relatively high content of nickel, chromium and other viscous metal components, the material has good toughness and is not easy to process. At present, the grinding efficiency of ordinary resin or ceramic grinding wheels is low, and the grinding debris is easy to adhere to the surface of the grinding wheel and cause burns. At the same time, the abrasion is high and time-consuming. Grinding stainless steel has always been a technical problem. Contents of the invention [0003] In order to solve the above technical problems, the object of the present invention is to pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/18B24D3/34B24D7/00B24D18/00
CPCB24D3/18B24D3/342B24D7/00B24D18/0009
Inventor 陈卫东王凯平
Owner 江苏赛扬精工科技有限责任公司
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