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ticrn&mos2/cr/ti laminated coating tool and its preparation process

A coating and cutting tool technology, which is applied in the field of TiCrN&MoS2/Cr/Ti laminated coating cutting tools and its preparation technology, can solve the problem that the service life of the cutting tool cannot meet the needs of actual use, and the service life of the coating on the flank of the cutting tool is not long , The service life of the tool cannot meet the needs of use, etc., to achieve the effect of reducing the surface friction coefficient, low lubrication, and improving performance

Active Publication Date: 2018-10-02
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
The literature (ActaMaterials.2011, 59(1): 68-74) reported the mechanism and performance of TiN hard coating tools during cutting, but this hard coating is limited due to its relatively high coefficient of friction. use
Chinese Patent TiN+MoS 2 / Zr combined coating tool (Patent No. ZL 201110081977.7) 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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  • ticrn&mos2/cr/ti laminated coating tool and its preparation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of TiCrN&MoS 2 / Ti / Cr composite laminated coating tool, the tool is an ordinary milling insert, and its base material is: cemented carbide 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 Cr target arc target, and 2 MoS 2 Magnetron sputtering target: Arc ion plating deposits Ti transition layer and Ti / Cr transition layer for 4-5 minutes each, and then alternately deposits TiCrN coating (arc ion plating) with thickness of about 30-40nm and TiCrN coating with thickness of about 15-25nm MoS 2 / Ti / Cr coating (magnetron sputtering + arc ion plating), the final surface is MoS 2 / Ti / Cr lubricating coating, its preparation process is:

[0028](1) Pre-treatment: Polish the surface of the tool base to remove impurities such as oil stains and rust on the surface, then place them in alcohol and acetone in turn, and ultrasonically clean t...

Embodiment 2

[0040] A kind of TiCrN&MoS 2 / Cr / Ti 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 Cr target arc target, 2 MoS 2 Magnetron sputtering target: Arc ion plating deposits Ti transition layer and Ti / Cr transition layer for 4-5 minutes each, and then alternately deposits TiCrN coating (arc ion plating) with thickness of about 30-40nm and TiCrN coating with thickness of about 15-25nm MoS 2 / Ti / Cr coating (magnetron sputtering + arc ion plating), the final surface is MoS 2 / Ti / Cr lubricating coating, its preparation process is:

[0041] (1) Pre-treatment: Polish the surface of the tool base to remove impurities such as oil stains and rust on the surface, then place them in alcohol and acetone in turn, and ultrasonically clean them for ...

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Abstract

The invention belongs to the field of mechanically manufactured metal cutting tools and particularly relates to a TiCrN&MoS2 / Cr / Ti laminated coated tool and a preparation process thereof. A base of the tool is made of high-speed steel or hard alloy or cubic boron nitride or diamond. A MoS2 / Ti / Cr lubricant coating is arranged on the surface of the tool, and a Ti transition layer, a Ti / Cr transition layer, a TiCrN hard coating and a MoS2 / Ti / Cr lubricant coating are sequentially and alternately arranged from the base to the coated surface to form a composite laminated structure. The tool integrates the advantages of the TiCrN multi-element hard coating, the MoS2 / Ti / Cr lubricant coating and the laminated structure, and has high hardness, a lubricating effect and a low friction coefficient, and therefore the 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 TiCrN&MoS 2 / Cr / Ti 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 Patents(China)
IPC IPC(8): C23C14/32C23C14/16C23C14/18C23C14/35C23C14/06C23C14/02
CPCC23C14/021C23C14/022C23C14/0623C23C14/0641C23C14/16C23C14/18C23C14/325C23C14/35C23C14/352
Inventor 宋文龙邓建新郭宗新周珂
Owner 安徽锦鹏纺织有限公司
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