Cutting improver and preparation method thereof

A technology of improving agents and raw materials, applied in the field of powder metallurgy, can solve the problems of reducing the strength and toughness of materials, and achieve the effects of improving cutting performance, conducive to stress concentration, and reducing intermittent impact.

Inactive Publication Date: 2015-05-20
莱芜市冠隆纳米科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The cutting improver solves the problem of reducing material strength and toughness when the existing improver is added

Method used

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  • Cutting improver and preparation method thereof
  • Cutting improver and preparation method thereof
  • Cutting improver and preparation method thereof

Examples

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Embodiment 1

[0024] A cutting improving agent is characterized in that it is made of the following raw materials in weight percentage: 50% of calcium fluoride, 20% of calcium phosphate, 10% of calcium carbonate, 8% of calcium fluorosilicate, 2.5% of magnesium fluoride, fluoride Strontium 2.5%, magnesium phosphate 4.5%, strontium phosphate 2.5%.

[0025] The preparation method of above-mentioned cutting improving agent, comprises the following steps:

[0026] ① Weigh raw materials according to the above weight percentage;

[0027] ②Mix the raw materials weighed in step ① by a dry powder mixer for 10 minutes;

[0028] ③ The raw material treated in step ② is crushed by air flow until the D50 is less than 5 μm to obtain the finished product.

[0029] The performance data of the above-mentioned cutting improver are shown in Table 1 below:

[0030]

[0031] The cutting improving agent of the present invention is used in powder metallurgy products, compared with the commonly used manganese ...

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PUM

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Abstract

The invention discloses a cutting improver and a preparation method of the cutting improver. The cutting improver solves the problem that the strength and toughness of materials are reduced when existing improvers are added. The cutting improver comprises, by weight, 50% of calcium fluoride, 20% of calcium phosphate, 10% of calcium carbonate, 8% of calcium fluosilicate, 2.5% of magnesium fluoride, 2.5% of strontium fluoride, 2.5% of magnesium phosphate and 2.5% of strontium phosphate. The cutting improver solves the problem that the strength and toughness of materials are reduced when existing improvers are added. The cutting improver is applied to the field of various products such as iron-based products, copper-based products, stainless steel-based products and powder metallurgy products formed in common molding, injection molding, hot press molding and other modes.

Description

technical field [0001] The invention relates to the technical field of powder metallurgy, in particular to a cutting improver and a preparation method thereof. Background technique [0002] Friction and wear are a major obstacle in material processing, they damage the tool, increase power consumption, and worn abrasive particles contaminate the machined material. During the cutting process, the front and flank surfaces of the tool constantly rub against the chips and the workpiece violently, and the contact area is in a state of high temperature and high pressure. The friction and wear on the tool will cause the passivation of the tool to fail, making cutting impossible, and the severe friction on the workpiece will deteriorate the quality of the machined surface. In order to reduce the friction and wear during cutting, the following methods are usually adopted: ① improve the processability of metallurgical parts, ② improve the cutting tool, and ③ lubricate during cutting. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00
Inventor 周健
Owner 莱芜市冠隆纳米科技有限公司
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