Ti-TiN & Ti-MoS2/Ti double-cutting-surface coated cutting tool and preparation process thereof

A ti-tin&ti-mos2, cutting tool technology, applied in the field of mechanical manufacturing metal cutting tools, to achieve the effect of reducing friction, low friction coefficient, and easy to master the process

Active Publication Date: 2011-08-24
SHANTUI CONSTR MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a Ti-TiN&Ti-MoS 2 / Ti double-knife surface coating tool and its preparation process, the tool overcomes the shortcomings of the existing coated tool hard coating and lubricating coating, and integrates Ti-MoS 2 The advantages of / Ti lubricating coating and Ti-TiN high hardness coating, the rake face has self-lubricating effect, and the flank face has high hardness, which significantly improves the cutting performance of the coated tool; the preparation process can easily produce Ti-TiN&Ti-MoS 2 / Ti combination coated tool

Method used

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  • Ti-TiN & Ti-MoS2/Ti double-cutting-surface coated cutting tool and preparation process thereof
  • Ti-TiN & Ti-MoS2/Ti double-cutting-surface coated cutting tool and preparation process thereof

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Effect test

Embodiment 1

[0020] Referring to the attached drawings, the tool is an ordinary milling insert, the material of the tool base 1 is cemented carbide YT15; the coating materials are: Ti-TiN and Ti-MoS 2 / Ti, the surface of the tool rake face is MoS 2 / Ti Lubrication Coating 3, MoS 2 There is a Ti rake face transition layer 2 between the Ti lubricating coating 3 and the tool base 1; the tool flank surface is a TiN high-hardness coating 5, and there is a Ti flank between the TiN high-hardness coating 5 and the tool base 1 Surface transition layer 4.

[0021] The deposition method is: arc ion plating deposition of Ti transition layer and intermediate frequency magnetron sputtering MoS on the rake face 2 And arc ion plating Ti composite deposition MoS 2 / Ti lubricating coating; the flank surface is arc ion plating deposited Ti transition layer and TiN high hardness coating, and the preparation process steps are as follows:

[0022] Pre-treatment: Polish the surface of the carbide YT15 tool b...

Embodiment 2

[0032] Referring to the attached drawings, the tool is an ordinary welding turning tool, and the base material of the tool is high-speed steel W 18 Cr 4 V, the coating materials are Ti-TiN and Ti-MoS 2 / Ti; the surface of the tool rake face is MoS 2 / Ti Lubrication Coating 3, MoS 2 There is a Ti rake face transition layer 2 between the Ti lubricating coating 3 and the tool base 1; the tool flank surface is a TiN high-hardness coating 5, and there is a Ti flank between the TiN high-hardness coating 5 and the tool base 1 Surface transition layer 4.

[0033] The deposition method is: arc ion plating deposition of Ti transition layer and intermediate frequency magnetron sputtering MoS on the rake face 2 And arc ion plating Ti composite deposition MoS 2 / Ti lubricating coating; the flank surface is arc ion plating deposited Ti transition layer and TiN high hardness coating, and the preparation process steps are as follows:

[0034] Pretreatment: High-speed steel W 18 Cr 4 T...

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Abstract

The invention relates to a Ti-TiN & Ti-MoS2/Ti double-cutting-surface coated cutting tool and a preparation process thereof. The front surface of the cutting tool is an MoS2/Ti lubricating coating and a Ti front cutting tool surface transition layer is arranged between the MoS2/Ti lubricating coating and a cutting tool substrate. The rear surface of the cutting tool is a TiN coating with high hardness and a Ti rear cutting tool surface transition layer is arranged between the TiN coating with high hardness and the cutting tool substrate. The preparation process comprises the steps of pre-processing, ion cleaning, depositing the Ti transition layer on the front cutting tool surface, depositing the MoS2/Ti coating on the front cutting tool surface, sampling, refitting a furnace, ion cleaning, depositing the Ti transition layer on the rear cutting tool surface, depositing the TiN coating on the rear cutting tool surface and post-processing. Advantages of a Ti-TiN coated cutting tool withhigh hardness and a Ti-MoS2/Ti lubricating coated cutting tool are combined in the present invention of the double-cutting-surface coated cutting tool which has both high hardness and low friction coefficient, so that performance of the coated cutting tool is substantially improved. The preparation process enables the Ti-TiN & Ti-MoS2/Ti coated cutting tool to be produced conveniently. It is easyto grasp the process and the production process is stable and reliable.

Description

technical field [0001] The invention belongs to the field of mechanically manufacturing metal cutting tools, and relates to a Ti-TiN&Ti-MoS 2 / Ti double-blade face coating tool and its preparation process. Background technique [0002] According to the nature of the coating material, coated tools can be divided into two categories, namely: "high hardness" coated tools and "lubricated" coated tools. The main advantages of "high hardness" coated tools are high hardness and good wear resistance. Typical "high hardness" coating materials include TiN, TiCN, TiAlN and diamond-like carbon. The goal of "lubricating" coated tools is low friction coefficient, and typical "lubricating" coating materials are solid lubricating materials with low friction coefficient, such as: MoS 2 , WS 2 , TaS 2 and other sulfides. The current development trend of tool coating is that the coating composition tends to be diversified and compounded. The composite coating can combine the advantages o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B27/00C23C14/06
Inventor 宋文龙徐刚张立银姚友良徐长重闫建峰邓建新
Owner SHANTUI CONSTR MASCH CO LTD
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