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High-performance ultra-fine grained hard alloy new material splitting cutter

A cemented carbide and slitting knife technology, which is applied in other manufacturing equipment/tools, turbines, engine components, etc., can solve the problems of uneven distribution of pores and Co phase, achieve no sagging, broad prospects, and solve curling Effect

Active Publication Date: 2014-07-02
MAANSHAN HENGLIDA MACHINE BLADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the uneven distribution of Co phase in the ultrafine-grained hard alloy cutting tool in the prior art and the problem of compact density difference caused by uneven cloth distribution. The present invention provides a high-performance ultrafine-grained hard alloy tool. High-quality alloy new material slitting and cutting knife, adopting the technical scheme of the present invention, can effectively solve the problems of uneven distribution of pores and Co phase caused by poor dispersion of wet grinding from the ingredients, so as to produce high-quality mixture

Method used

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Examples

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Embodiment 1

[0029] A new high-performance ultra-fine-grained cemented carbide material slitting and cutting knife in this embodiment is made by powder metallurgy technology, and the components of its raw materials are composed according to the following mass percentages: 0.45%CT , 85.2%WC, 12.3%Co, 0.5%Vc, 0.8%Cr 3 C 2 , 0.7% TaC, 0.05% octadecanoic acid. CT in the present embodiment refers to catechol, WC refers to tungsten carbide powder, Co refers to cobalt powder, Vc refers to vinylene carbonate, Cr 3 C 2 refers to chromium carbide, and TaC refers to tantalum carbide.

[0030] A new high-performance ultra-fine-grained hard alloy material slitting and cutting knife in this embodiment, the steps are: (1) ingredients: the components of the raw material of the slitting and slitting knife are configured according to the above-mentioned components; (2) The mixture is ground and dried, and after drying, the cloth is rotated and pressed into a compact; (3) After the compact is pressed, th...

Embodiment 2

[0039] A kind of high-performance ultra-fine-grained hard alloy new material slitting cutter of this embodiment, each component of its raw material is composed according to the following mass percentages: 0.40%CT, 85.5%WC, 12.0%Co, 0.57%Vc, 0.7%Cr 3 C 2 , 0.8% TaC, 0.03% octadecanoic acid. Others are with embodiment 1.

Embodiment 3

[0041] A kind of high-performance ultra-fine-grained hard alloy new material slitting and cutting knife of this embodiment, each component of its raw material is composed according to the following mass percentages: 0.50%CT, 85.0%WC, 12.5%Co, 0.4%Vc, 0.9%Cr 3 C 2 , 0.63% TaC, 0.07% octadecanoic acid. Others are with embodiment 1.

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Abstract

The invention discloses a high-performance ultra-fine grained hard alloy new material splitting cutter, belonging to the technical field of hard alloy cutters. The high-performance ultra-fine grained hard alloy new material splitting cutter is manufactured by adopting a powder metallurgy process, and consists of the following raw material components in percentage by mass: 0.40-0.50% of CT, 85.0-85.5% of WC, 12.0-12.5% of Co, 0.4-0.6% of Vc, 0.7-0.9% of Cr3C2, 0.6-0.8% of TaC and 0.03-0.07% of octadecanoic acid. By adopting an ingenious new formula of an ultra-fine grained material, the problems of pores, non-uniform distribution of a Co phase and the like caused by poor wet milling dispersion are effectively solved from the ingredients, thus a high-quality mixture is prepared, and the slitting and shearing cutter with high performance and high precision is produced; and the cutter has high hardness, high strength, strong abrasion resistance and good toughness, and the quality and comprehensive use performance of the cutter are in the domestic leading position.

Description

technical field [0001] The invention relates to the technical field of cemented carbide cutting tools, more specifically, relates to a high-performance ultra-fine-grained cemented carbide new material slitting and cutting knife, which is suitable for CNC cutting of machine tools in the lithium battery industry, metal film, and printing and packaging industries. knives. Background technique [0002] Since the new century, with the rapid development of my country's manufacturing industry, a large number of domestic CNC equipment and assembly lines have entered various fields, and a sharp contradiction soon surfaced-advanced equipment cannot be equipped with advanced domestic mechanical tools. foreign knife. Luo Baihui, secretary-general of the International Mold and Metal Plastic Industry Suppliers Association, said that high-quality carbide cutting tools have become the main tools required by processing enterprises in my country, and are widely used in heavy industries such a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C29/08B22F5/00
Inventor 张增明杭文张增贵谢敏施亚玲
Owner MAANSHAN HENGLIDA MACHINE BLADE
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