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ZrTiN/MoS2 composite antifriction wear-resistant coated tool and preparation process thereof

A wear-resistant coating and composite coating technology, which is applied in the field of ZrTiN/MoS2 composite anti-friction and wear-resistant coating tools and its preparation technology, can solve the problem that the service life of the tool cannot meet the needs of actual use, and the tool coating flank The service life of the layer is not long, the service life of the tool needs to be further improved, etc., to achieve the effect of increasing the use range, low friction coefficient, and improving friction and wear performance

Active Publication Date: 2016-08-24
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. 201110214393.2) has high hardness and strength, excellent wear resistance and corrosion resistance, but its friction when cutting non-ferrous metal materials The coefficient is high, and the service life of the tool needs to be further improved

Method used

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  • ZrTiN/MoS2 composite antifriction wear-resistant coated tool and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A ZrTiN / MoS 2 Composite anti-friction and wear-resistant coating tool, the tool is an ordinary milling insert, and its base material is: cemented carbide YT15. The deposition method is a composite coating prepared by arc plating and magnetron sputtering composite coating method, including 1 Ti target arc target, 1 Zr target arc target, 2 MoS 2 Magnetron sputtering target: Ti transition layer, Ti / Zr transition layer, ZrTiN (arc ion plating) and MoS deposited by arc ion plating 2 Composite coating (magnetron sputtering), its preparation process is:

[0022] (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, vacuum to 7.0~8.0×10 -3 Pa, heat to 300°C, keep warm for 30-40min;

[0023] (2) Ion cleaning: pass A...

Embodiment 2

[0029] A ZrTiN / MoS 2 Composite anti-friction and wear-resistant coating tool, the tool is an ordinary twist drill, and the tool base material is: high-speed steel W18Cr4V. The deposition method is a composite coating prepared by arc plating and magnetron sputtering composite coating method, including 1 Ti target arc target, 1 Zr target arc target, 2 MoS 2 Magnetron sputtering target: Ti transition layer, Ti / Zr transition layer, ZrTiN (arc ion plating) and MoS deposited by arc ion plating 2 Composite coating (magnetron sputtering), its preparation process is:

[0030](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, and ultrasonically clean them for 30 minutes each to remove oil and other attachments on the tool surface, and dry them quickly with a hair dryer. Put it into the coating machine, vacuum to 7.0~8.0×10 -3 Pa, heat to 300°C, keep warm for 30-40min;

[0031] (2) Ion ...

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Abstract

The invention belongs to the field of mechanically manufactured metal cutting tools and particularly relates to a ZrTiN / MoS2 composite antifriction wear-resistant coated tool and a preparation process thereof. A base of the tool is made of high-speed steel or hard alloy or ceramic or cubic boron nitride. A Ti transition layer, a Ti / Zr transition layer and a ZrTiN / MoS2 composite coating are sequentially arranged from the base to the coated surface. By controlling the content of MoS2 in a ZrTiN multi-element hard coating, the composite coating has high hardness of the hard coating and a low friction coefficient of MoS2, and the coating can maintain good lubricating performance in the whole life cycle, so that the comprehensive performance of the coated tool is remarkably improved.

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing of metal cutting tools, in particular to a ZrTiN / MoS 2 Composite anti-friction and wear-resistant 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 advanta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/32C23C14/16C23C14/18C23C14/35C23C14/06
CPCC23C14/0021C23C14/0623C23C14/0641C23C14/16C23C14/18C23C14/325C23C14/352C23C28/322C23C28/347
Inventor 宋文龙邓建新郭宗新张璇
Owner 安徽锦鹏纺织有限公司
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