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Abrasion-resistant S-shaped grinding wheel and hot-press forming technology thereof

A hot-press forming and wear-resistant technology, which is applied in the direction of grinding workpiece brackets, other manufacturing equipment/tools, grinding machines, etc., can solve the problems of cutting effects, short service life of grinding wheels, etc., and achieve improved efficiency and extended service life , the effect of strength enhancement

Active Publication Date: 2016-09-21
JIANGSU SUPER PEAK TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Grinding wheels are mostly used in the actual cutting process. The main performance indicators to measure the grinding wheel include whether the strength is high, whether it is wear-resistant, and whether it is corrosion-resistant. The current technology can basically solve the problem of corrosion resistance, but in terms of strength and durability However, there is a big problem in abrasiveness, which leads to short service life of the grinding wheel and affects the cutting effect. To solve the problem of strength and wear resistance of the grinding wheel, it is not only necessary to start from its raw material formula, but more importantly, to carry out its production process. Improvement, as well as various equipment used in the production process, are the direct factors affecting the performance of the grinding wheel, and according to the existing diamond production process, there are still many aspects that need to be improved

Method used

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  • Abrasion-resistant S-shaped grinding wheel and hot-press forming technology thereof
  • Abrasion-resistant S-shaped grinding wheel and hot-press forming technology thereof
  • Abrasion-resistant S-shaped grinding wheel and hot-press forming technology thereof

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Effect test

Embodiment 1

[0036] Embodiment one: A wear-resistant S-shaped grinding wheel, the wear-resistant S-shaped grinding wheel includes main materials according to the volume fraction: 15% diamond, 20% copper, 42% iron, 3% tin, 10% nickel, 5% cobalt and auxiliary material alloy powder 5%.

[0037] A wear-resistant S-type grinding wheel hot-press forming process, comprising the following steps:

[0038] (1) Ingredients: select the main materials diamond, copper, iron, tin, nickel, cobalt and alloy powder according to the volume fraction ratio, and reserve;

[0039](2) Screening: The ingredients prepared in step 1 are passed through 35, 40, and 45 mesh screens in turn for three-stage screening. After three-stage screening, uniform powder particles that meet the requirements are screened out;

[0040] (3) Pre-mixing: Pre-mixing mechanism 1 is used to mix iron and cobalt for 40 minutes. After the iron and cobalt are mixed, add the remaining diamond, copper, tin and nickel from the feeding equipme...

Embodiment 2

[0055] Embodiment two: A wear-resistant S-shaped grinding wheel, the wear-resistant S-shaped grinding wheel includes main materials according to the volume fraction: 15% diamond, 20% copper, 45% iron, 3% tin, 8% nickel, 6% cobalt and auxiliary material alloy powder 3%.

[0056] The difference with the technique of embodiment one is:

[0057] (3) Pre-mixing: Pre-mixing mechanism 1 is used to mix iron and cobalt for 35 minutes. After the iron and cobalt are mixed, add the remaining diamond, copper, tin and nickel from the feeding equipment of the pre-mixing mechanism at the same time. As well as alloy powder, the feeding speed of copper is set to 1.5 times of the feeding speed of diamond, and the pre-mixing time of dry material is 5.5h;

[0058] And the blanking opening diameter of a transition funnel 4 at the lowermost end in the feeding trough of copper is set as 1.5 times of the blanking opening caliber size of a transition funnel 4 at the lowest end in the diamond feeding...

Embodiment 3

[0068] Embodiment three: A wear-resistant S-shaped grinding wheel, the wear-resistant S-shaped grinding wheel includes main materials according to the volume fraction: 14% diamond, 22% copper, 42% iron, 4% tin, 6% nickel, 8% cobalt and auxiliary material alloy powder 4%.

[0069] The difference with the technique of embodiment one is:

[0070] (3) Pre-mixing: Pre-mixing mechanism 1 is used to mix iron and cobalt for 30 minutes. After the iron and cobalt are mixed, add the remaining diamond, copper, tin and nickel from the feeding equipment of the pre-mixing mechanism at the same time. As well as alloy powder, the feed rate of copper is set to 1.5 times of the feed rate of diamond, and the pre-mixing time of dry material is 5h;

[0071] And the blanking opening diameter of a transition funnel 4 at the lowermost end in the feeding trough of copper is set as 1.5 times of the blanking opening caliber size of a transition funnel 4 at the lowest end in the diamond feeding trough;...

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Abstract

The invention discloses an abrasion-resistant S-shaped grinding wheel and a hot-press forming technology thereof. The abrasion-resistant S-shaped grinding wheel comprises the following main materials in volume fraction: 12 to 15% of diamond, 20 to 25% of copper, 40 to 45% of iron, 3 to 8% of tin, 5 to 8% of nickel, 5 to 8% of cobalt and 3 to 5% of auxiliary material alloy powder. The continuous tooth S-shaped grinding wheel is produced through the steps of batching, premixing, total mixing, cold pressing performing, hot pressing sintering, primary cooling, high frequency welding, secondary cooling, surface treatment, paint spraying, edging, and the like. According to the S-shaped grinding wheel produced through the formula and the technology, the strength is improved, the abrasion resistance is improved as well, the service life is prolonged in the actual use process, the production cost is greatly reduced, the resources are saved, and the technology is environment-friendly, sanitary and safe in the production process.

Description

technical field [0001] The invention relates to a grinding wheel, in particular to a wear-resistant S-shaped grinding wheel and its hot-pressing forming process. Background technique [0002] Grinding wheel is a cutting tool, which is widely used in the processing of hard and brittle materials such as concrete, refractory materials, stone, and ceramics. The grinding wheel is mainly composed of two parts; the base body and the cutter head. The substrate is the main supporting part of the bonded cutter head, while the cutter head is the part that cuts during use. The cutter head will be continuously consumed during use, but the substrate will not. The reason why the cutter head can cut The role of diamond is because it contains diamond, which is currently the hardest substance, and it rubs and cuts the processed object in the cutter head. The diamond particles are wrapped in metal inside the cutter head. [0003] Grinding wheels are mostly used in the actual cutting process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D18/00B28D1/04B01F3/12B01F3/18B24B3/00B24B27/033B24B41/02B24B41/06
CPCB24B3/00B24B27/033B24B41/02B24B41/061B24D18/0009B28D1/04B01F23/50B01F23/565B01F23/60
Inventor 陈银福陈超
Owner JIANGSU SUPER PEAK TOOLS CO LTD
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