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A kind of preparation method of coating tool with high wear resistance

A technology with high wear resistance and cutting tools, which is applied in the field of preparation of high wear resistance coated cutting tools, can solve the problems of shortening service life, increasing production costs, and prone to cracks, etc., so as to reduce cutting stress wear and prolong use Life and the effect of reducing cutting wear

Inactive Publication Date: 2016-03-30
广州迈圣丽科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the preparation of traditional coated tools, a series of pretreatments are first performed on the tool base, and then the coating is directly deposited on the surface of the tool base. Low strength, prone to defects such as cracks, breakage and falling off, which greatly affects the wear resistance of the coated tool and shortens its service life, which increases the production cost of the enterprise and reduces the profit margin

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  • A kind of preparation method of coating tool with high wear resistance
  • A kind of preparation method of coating tool with high wear resistance
  • A kind of preparation method of coating tool with high wear resistance

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specific Embodiment approach

[0027] The specific embodiment of the present invention is described below in conjunction with accompanying drawing: A kind of preparation method with high abrasion resistance coating cutting tool, first carry out mirror surface processing to cutting tool base body, then through pretreatments such as degreasing, derusting, ion cleaning, after that Laser grooves are set on the tool base, and after removing the metal shavings and oxide layers remaining after the laser grooves are opened, ultrasonic cleaning and ion cleaning are performed on the tool, and after drying, a coating is deposited on the tool base. The obtained coated tool has a structure between the tool substrate 1 and the coating 2 such as figure 1 shown.

[0028] The method is applicable to both the physical vapor deposition method and the chemical vapor deposition method used in the tool coating process.

[0029] When depositing a coating on the tool substrate by physical vapor deposition, the tool substrate is f...

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Abstract

The invention relates to a method for preparing a coated tool, in particular to a method for preparing a coated tool with high wear resistance. It includes the steps of pretreatment on the tool base and then depositing a coating on the tool base, and is characterized in that laser grooves are opened on the tool base first, and then the coating is deposited on the tool base. The bonding strength between the coating layer and the tool matrix of the coated tool prepared by the invention is greatly improved, the cutting stress wear of the coated tool during use is slowed down, and the service life of the coated tool is prolonged.

Description

technical field [0001] The invention relates to a method for preparing a coated tool, in particular to a method for preparing a coated tool with high wear resistance. Background technique [0002] Coated tools are coated with a thin layer of refractory metal or non-metallic compound with good wear resistance on the surface of cemented carbide or high-speed steel (HSS) substrate with good strength and toughness (also can be coated Obtained on superhard material inserts such as ceramics, diamond and cubic boron nitride). The coating acts as a chemical and thermal barrier, and the composition of the coated tool reduces diffusion and chemical reactions between the tool and the workpiece, thereby reducing crescent wear. Coated tools have the characteristics of high surface hardness, good wear resistance, stable chemical properties, heat resistance and oxidation resistance, small friction coefficient and low thermal conductivity, and can increase tool life by more than 3 to 5 tim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/28
Inventor 李彬
Owner 广州迈圣丽科技有限公司