High-speed grinding diamond grinding disc and manufacturing process thereof

A manufacturing process and diamond technology, which is applied in the field of high-speed grinding of diamond grinding discs and its manufacturing process, can solve the problems that sand and gravel dust cannot be discharged in time and block the grinding surface of the cutter head, so as to avoid a large amount of heat accumulation and reduce the grinding temperature , Improve the effect of impact resistance

Inactive Publication Date: 2021-02-05
江苏华昌工具制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the dry-type diamond grinding disc is used for high-speed grinding, the high-speed rotation will cause the sand and gravel dust to not be discharged in time and block the grinding surface of the cutter head. Since the dry-type diamond grinding disc does not use water as the cooling medium, it is urgent to design a more Dry diamond grinding disc with excellent chip removal performance and heat dissipation performance

Method used

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  • High-speed grinding diamond grinding disc and manufacturing process thereof
  • High-speed grinding diamond grinding disc and manufacturing process thereof
  • High-speed grinding diamond grinding disc and manufacturing process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] This embodiment is a manufacturing process of a diamond grinding disc, and the design dimensions are as follows Figure 3-4 As shown, the manufacturing process includes the following steps:

[0052] (1) Substrate processing:

[0053] According to the requirements of the drawing, turn and cut the required matrix structure;

[0054] (2) Sintering of diamond cutter head:

[0055] Take 2.6kg of copper powder, 3.76kg of iron, 0.8kg of nickel, 0.95kg of zinc, 0.84kg of tin, and 0.75kg of manganese, put them into the mixing tank and mix for 30 minutes, add 0.09kg of liquid paraffin, 0.2kg of diamond, and continue mixing After 3 hours, the powder is poured into the mold and cold-pressed, and then hot-pressed and sintered to obtain the cutter head blank, which is polished by a grinding wheel and abrasive belt to obtain the diamond cutter head; wherein: the hot-pressed sintered The sintering temperature is 702°C and the pressure is 310kg / cm 2 , the holding time is 3 minutes; ...

Embodiment 2

[0061] The present embodiment is the manufacturing process of diamond grinding disc, and the design size is the same as embodiment 1, and the manufacturing process comprises the following steps:

[0062] (1) Substrate processing:

[0063] According to the requirements of the drawing, turn and cut the required matrix structure;

[0064] (2) Sintering of diamond cutter head:

[0065] Take 2.95kg of copper powder, 3.8kg of iron, 0.7kg of nickel, 0.9kg of zinc, 0.8kg of tin, and 0.75kg of manganese, put them into the mixing tank and mix for 30 minutes, add 0.08kg of liquid paraffin, 0.17kg of diamond, and continue mixing After 3 hours, the powder is poured into the mold and cold-pressed, and then hot-pressed and sintered to obtain the cutter head blank, which is polished by a grinding wheel and abrasive belt to obtain the diamond cutter head; wherein: the hot-pressed sintered The sintering temperature is 710°C and the pressure is 300kg / cm 2 , the holding time is 3 minutes;

[...

Embodiment 3

[0071] The present embodiment is the manufacturing process of diamond grinding disc, and the design size is the same as embodiment 1, and the manufacturing process comprises the following steps:

[0072] (1) Substrate processing:

[0073] According to the requirements of the drawing, turn and cut the required matrix structure;

[0074] (2) Sintering of diamond cutter head:

[0075] Take 3.2kg of copper powder, 3.8kg of iron, 0.9kg of nickel, 0.8kg of zinc, 0.7kg of tin, and 0.6kg of manganese, put them into the mixing tank and mix for 30 minutes, add 0.07kg of liquid paraffin, 0.14kg of diamond, and continue mixing After 3 hours, the powder is poured into the mold and cold-pressed, and then hot-pressed and sintered to obtain the cutter head blank, which is polished by a grinding wheel and abrasive belt to obtain the diamond cutter head; wherein: the hot-pressed sintered The sintering temperature is 705°C and the pressure is 310kg / cm 2 , the holding time is 3 minutes;

[00...

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Abstract

The invention discloses a high-speed grinding diamond grinding disc and a manufacturing process thereof, and belongs to the technical field of diamond grinding discs. A plurality of diamond tool bitsof the diamond grinding disc are arranged on the working face of a grinding disc steel base body, the grinding disc steel base body comprises an outer side annular plane and an inner side annular plane, a middle annular face is arranged between the outer side annular plane and the inner side annular plane, first tool bits and second tool bits of the diamond tool bits are arranged on the outer sideannular plane and are arranged on the outer side annular plane in a staggered mode in the circumferential direction, the tool bits are of arc-shaped strip-shaped plate structures, and the curvature of the tool bits is the same as that of the outer edge of the grinding disc steel base body. According to the high-speed grinding diamond grinding disc and the manufacturing process thereof, through the optimized design of a base body structure, chip removal and heat dissipation holes in special shapes are designed in the base body so that chip removal, heat conduction and heat dissipation of the grinding disc can be more effectively achieved, the problem that water cannot be used for grinding construction operation in a cooling construction environment can be solved, performance can be well kept for continuous use, and vast users can operate and construct more conveniently.

Description

technical field [0001] The invention relates to the technical field of diamond grinding discs, in particular to a high-speed grinding diamond grinding disc and a manufacturing process thereof. The diamond grinding disc is mainly used for grinding building materials (concrete, reinforced concrete, etc.) and stone materials. Background technique [0002] Diamond grinding disc refers to the disc abrasive tool used on the grinding machine. It is composed of a disc body and a diamond grinding block. The diamond grinding block is welded or embedded on the disc body, and the working surface is smoothed and polished by the high-speed rotation of the mill. [0003] Due to the characteristics of high hardness, high compressive strength, and good wear resistance of diamond abrasives, diamond abrasives have become ideal tools for grinding hard and brittle materials and cemented carbide in grinding processing, not only high efficiency, high precision, Moreover, it has good roughness, les...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D5/06B24D5/10B24D18/00
CPCB24D5/06B24D5/10B24D18/0054
Inventor 蒋武峰徐国栋
Owner 江苏华昌工具制造有限公司
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