ZrTiN-MoS2/Ti/Zr laminated coating tool and preparation process thereof

A preparation process and cutting tool technology, which is applied in the field of ZrTiN-MoS2/Ti/Zr laminated coating cutting tools and its preparation technology, can solve the problems that the service life of the cutting tool cannot meet the needs of use, limit the wide use, and low hardness

Active Publication Date: 2016-08-17
安徽锦鹏纺织有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the cutting process without cutting fluid cooling and lubrication, the tool can form a lubricating lubricating film on the surface of the tool, thereby realizing the lubricating function of the tool itself, but the hardness of this lubricating coating is low, which leads to the tool coating especially Is the service life of the flank coating is not long
Literature (Acta Materials.2011,59(1):68-74) reported the action mechanism and performance of TiN hard coating tools during cutting, but this hard coating has limited its performance due to its relatively high coefficient of friction. widely used
Chinese Patent TiN+MoS 2 / Zr combined coating tool (Patent No. ZL201110081977.7) TiN+MoS prepared by intermediate frequency magnetron sputtering and arc plating composite coating method 2 / Zr combination coating tool, but the tool life of the combination coating still cannot meet the actual use needs when dry cutting superhard materials
The ZrTiN composite coating knife prepared by the Chinese patent gradient laminated coating tool and its preparation method (Patent No. ZL201110214393.2) has high hardness and strength, excellent wear resistance and corrosion resistance, but when cutting non-ferrous metal materials Its surface friction coefficient is high, and the service life of the tool cannot meet the needs of use

Method used

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  • ZrTiN-MoS2/Ti/Zr laminated coating tool and preparation process thereof

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Experimental program
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Effect test

Embodiment 1

[0027] A ZrTiN-MoS2 / Ti / Zr laminated coating cutter, the cutter is a common milling insert, and its base material is hard alloy YT15. The deposition method is to prepare a combined coating by arc plating and intermediate frequency magnetron sputtering composite coating method, including a Ti target arc target, a Zr target arc target, and 2 MoS 2 Intermediate frequency sputtering target: Ti, Ti / Zr transition layer, ZrTiN hard coating deposited by arc ion plating, intermediate frequency magnetron sputtering (MoS 2 ) and arc ion plating (Zr, Ti) composite deposition of MoS 2 / Ti / Zr lubricating coating, its preparation process is:

[0028] (1) Pretreatment: Polish the surface of the tool base to remove surface oil, rust and other impurities, then put them in alcohol and acetone in turn, ultrasonically clean for 30 minutes each, remove oil and other attachments on the tool surface, and dry them quickly with a hair dryer Put it into the coating machine and evacuate to 8.0×10 -3 Pa...

Embodiment 2

[0040] A ZrTiN-MoS 2 / Ti / Zr laminated coating tool, the tool is an ordinary twist drill, and the tool base material is: high-speed steel W18Cr4V. The deposition method is to prepare a combined coating by arc plating and intermediate frequency magnetron sputtering composite coating method, including 1 Ti target arc target, 1 Zr target arc target, 2 MoS 2 Intermediate frequency sputtering target: Ti, Ti / Zr transition layer, ZrTiN hard coating deposited by arc ion plating, intermediate frequency magnetron sputtering (MoS 2 ) and arc ion plating (Zr, Ti) composite deposition of MoS 2 / Ti / Zr lubricating coating, its preparation process is:

[0041] (1) Pretreatment: Polish the surface of the tool base to remove surface oil, rust and other impurities, then put them in alcohol and acetone in turn, ultrasonically clean for 30 minutes each, remove oil and other attachments on the tool surface, and dry them quickly with a hair dryer Put it into the coating machine and evacuate to 8.0...

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Abstract

The invention belongs to mechanically manufactured metal cutting tools, and particularly relates to a ZrTiN-MoS2 / Ti / Zr laminated coating tool and a preparation process thereof. A tool base body comprises high-speed steel, hard alloy, cubic boron nitride or diamond. A MoS2 / Ti / Zr lubricating coating is arranged on the surface of the tool, and a laminated compounded structure with a Ti transition layer, a Ti / Zr transition layer, a ZrTiN hard coating and a MoS2 / Ti / Zr lubricating coating alternating is sequentially arranged between the base body and the surface of the coating. According to the tool, the advantages of a ZrTiN multi-element hard coating, a MoS2 / Ti / Zr lubricating coating and a laminated structure are synthesized, the high hardness of the coating can be kept, the friction coefficient of the coating can be reduced, and the cutting performance of the coating tool is remarkably improved. By means of the laminated structure, the good anti-wear lubricating performance of the coating tool can be kept in the service life period all the time, and the service cycle of the lubricating coating is prolonged.

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing of metal cutting tools, in particular to a ZrTiN-MoS 2 / Ti / Zr laminated 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: "hard" coated tools and "lubricated" coated tools. The main advantages of "high hardness" coating tools are high hardness and good wear resistance. Typical "high hardness" coating materials include TiN, TiCN, TiAlN and diamond-like carbon. The goal pursued by "lubricating" coating tools is low friction coefficient. Typical "lubricating" coating materials are solid lubricating materials with low friction coefficients (such as: MoS 2 、WS 2 、TaS 2 and other sulfides). The current development trend of tool coatings is: coating components tend to be diversified and compounded. Composite coatings can combine the advantages of single coatings. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/32C23C14/16C23C14/18C23C14/06C23C14/35C23C14/02
CPCC23C14/021C23C14/022C23C14/0623C23C14/0641C23C14/16C23C14/18C23C14/185C23C14/325C23C14/352
Inventor 宋文龙邓建新郭宗新李小冬
Owner 安徽锦鹏纺织有限公司
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