Double-sided sintered w-shaped groove diamond tool and preparation method thereof

A diamond tool and diamond technology, applied in the field of diamond tools, can solve problems such as the weakening of the carcass surface and the reduction of wear resistance, and achieve the effects of preventing surface cracks and cracking, improving cutting efficiency and service life

Active Publication Date: 2018-11-16
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, although the pre-alloyed powder commonly used in the prior art can improve the holding force and wettability of the diamond and metal bond, the pre-alloyed powder often leads to the weakening of the carcass surface, which significantly reduces the wear resistance, so that it cannot be used with high-speed Running Dry Sections Compatible

Method used

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  • Double-sided sintered w-shaped groove diamond tool and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0029] Prepared by the following method Double-sided sintered W-groove diamond tools. The manufacturing method of the W-groove diamond tool includes the following sequence: batching-simplification-secondary powder filling cold pressing-pressureless sintering-wiping sheet punching-painting-sharpening-inspection, packaging and storage.

[0030] 1) Ingredients of diamond and metal bond: expressed in weight percent, EXD606 alloy 30%, LFP alloy powder 10%, tin powder 8%, nickel powder 10%, cerium-copper alloy powder 1%, copper powder 41%. The diamond concentration added in the metal bond is 0.8ct / cm 3 , diamond particle size 35 / 40 accounts for 20%, 40 / 50 accounts for 50%, 50 / 60% accounts for 30%, mixed into molding materials, using a three-dimensional mixer, and the mixing time is 120 minutes.

[0031] 2) Simplified manufacturing: add the granulating agent to the mixed molding material for mixing and simple granulation.

[0032] 3) Cold pressing: Adjust the tooling mold, first ...

Embodiment 2

[0036] Prepared by the following method Double-sided sintered W-groove diamond tools. The manufacturing method of the W-groove diamond tool includes the following sequence: batching-simplification-secondary powder filling cold pressing-pressureless sintering-wiping sheet punching-painting-sharpening-inspection, packaging and storage.

[0037] 1) Ingredients of diamond and metal bond: expressed in weight percent, EXD606 alloy 28%, LFP alloy powder 12%, tin powder 8%, nickel powder 10%, cerium-copper alloy powder 1%, copper powder 41%. The diamond concentration added in the metal bond is 0.8ct / cm 3 , diamond particle size 35 / 40 accounts for 20%, 40 / 50 accounts for 50%, 50 / 60% accounts for 30%, mixed into molding materials, using a three-dimensional mixer, and the mixing time is 120 minutes.

[0038] 2) Simplified manufacturing: add the granulating agent to the mixed molding material for mixing and simple granulation.

[0039] 3) Cold pressing: Adjust the tooling mold, first ...

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Abstract

The invention relates to a double-sided-sintering W-shaped-grooved diamond tool and a preparation method thereof, and belongs to the technical field of diamond tools. The double-sided-sintering W-shaped-grooved diamond tool comprises a disc-shaped matrix and a plurality of diamond dry-cutting sheets arranged on the radial outer edge of the matrix, wherein W-shaped grooves are formed in two opposite side surfaces of each diamond dry-cutting sheet; each W-shaped groove comprises inclined groove bodies which are intersected in pairs; and each W-shaped-groove extends from the upper edge of the corresponding diamond dry-cutting sheet to the lower edge of the corresponding diamond dry-cutting sheet. The double-sided-sintering W-shaped-grooved diamond tool provided by the invention can always keep the self-sharpening property and the sharpness in a high-speed cutting process; besides, surface cracks and disruptions can be prevented under the working condition of high-speed dry cutting; the cutting efficiency can be remarkably improved and the service life can be remarkably prolonged; and the double-sided-sintering W-shaped-grooved diamond tool is particularly applicable to the cutting and the trimming of marble, granite and cement concrete.

Description

technical field [0001] The invention relates to the technical field of diamond tools, more specifically, the invention relates to a double-sided sintered W-groove diamond tool and a preparation method thereof. Background technique [0002] Diamond saw blade is a tool with certain shape, performance and purpose made of diamond as cutting material, with the help of metal bond or other auxiliary materials. At present, diamond tools have been widely used in the cutting, finishing, grinding and other aspects of marble, granite, concrete and other stone or building materials, wherein diamond dry slices usually include a disc-shaped substrate and multiple tools distributed along the outer side of the disc-shaped substrate. There are two diamond dry slices, and radially distributed through grooves are formed between adjacent diamond dry slices. However, due to the deviation in installation and manufacturing accuracy of this structure, it is especially high-speed operation without co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28D1/04B22F7/08B22F5/00C22C26/00C22C9/00C22C9/06C22C30/04C22C30/02
CPCB22F5/00B22F7/08B22F2005/001B28D1/04C22C9/00C22C9/06C22C26/00C22C30/02C22C30/04
Inventor 蒋武峰徐国栋
Owner 江苏华昌工具制造有限公司
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