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Diamond coating cutter device for metal surface nanocrystallization and preparation method of diamond coating cutter device

A diamond coating and metal surface technology, which is applied in lathe tools, metal material coating technology, metal processing equipment, etc., can solve problems such as increased surface roughness of workpieces, increased surface roughness, and limited application fields , to achieve low friction coefficient, low cost, and expand the application field

Pending Publication Date: 2021-11-30
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when using tools of traditional materials to SMAT process metal materials, take cemented carbide, the latest material in traditional materials, as an example. The average Vickers hardness value of cemented carbide is 1500HV. Due to the hardness and wear resistance of traditional tool materials And the influence of friction coefficient, the tool will deform when it is in contact with the workpiece during use, and the surface roughness will increase, resulting in a significant increase in the surface roughness Ra of the workpiece, which limits the application field of SMAT surface nanotechnology

Method used

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  • Diamond coating cutter device for metal surface nanocrystallization and preparation method of diamond coating cutter device
  • Diamond coating cutter device for metal surface nanocrystallization and preparation method of diamond coating cutter device
  • Diamond coating cutter device for metal surface nanocrystallization and preparation method of diamond coating cutter device

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Embodiment

[0040] In this embodiment, the preparation method of the diamond-coated cutting tool device for metal surface nanometerization is as follows:

[0041] Firstly, take YG6 tungsten carbide finely ground round rod as the substrate, and obtain the required tool substrates of various specifications and sizes through wire cutting machine processing, and process one end of the YG6 tungsten carbide finely ground round rod into a wedge-shaped section, and one end of the wedge-shaped section The integral connection with the cylindrical section is circular, and the other end of the wedge-shaped section is a bilaterally symmetrical inclined plane that intersects at the diameter of one end of the round rod to form a tip, forming a tool base with a combined upper and lower structure of the cylindrical section and the wedge-shaped section. Then, after surface treatment, a 10 μm polycrystalline diamond coating is deposited on the cylindrical surface of the tool substrate (ie, the surface of the...

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Abstract

The invention relates to the field of diamond film growth, in particular to a diamond coating cutter device for metal surface nanocrystallization and a preparation method of the diamond coating cutter device. The device comprises a diamond coating cutter assembly base, a screw and a diamond coating cutter, the diamond coating cutter assembly base is of a combined structure with a base head and a base body integrated left and right, the diamond coating cutter is of a combined structure with a cylindrical section and a wedge-shaped section integrated up and down, and the diamond coating cutter is installed in a groove of the base head. The wedge-shaped section of the diamond coating cutter corresponds to a wedge-shaped pit in the groove and is in close fit with the wedge-shaped pit through a wedge face, the upper portion of the cylindrical section of the diamond coating cutter corresponds to a threaded through hole of the groove, a screw is installed in the threaded through hole of the groove, and the lower end of the screw penetrates through the threaded through hole of the groove and abuts against the upper surface of the cylindrical section of the diamond coating cutter. The cutter base body is made of the tungsten carbide cobalt hard alloy, the diamond coating grows on the outer surface, and nanocrystallization treatment can be efficiently conducted on the workpiece surface of a rotary body.

Description

technical field [0001] The invention relates to the field of diamond film growth, in particular to a diamond-coated cutter device and a preparation method thereof for nanometerization of metal surfaces. Background technique [0002] Since the advent of nanomaterials, it has attracted great attention for its unique excellent properties such as high strength, good plastic deformation ability, high specific heat, high thermal expansion coefficient and unique physical and chemical properties. Many engineering applications only need to improve The surface performance of the material can improve the comprehensive service performance and service life of the entire material. At present, there are mainly three ways to nanomaterial surface: ① surface coating or deposition, ② surface self-nanometerization, and ③ hybrid surface nanotechnology. The nanostructure surface layer prepared by the second method has no obvious interface with the substrate and is not easy to fall off. , The equ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B27/00B23B27/16C23C16/27
CPCB23B27/00B23B27/1625C23C16/271B23B2200/28B23B2228/105B23B2228/04C23C16/27B23B27/16
Inventor 刘鲁生梁晨黄楠李秀艳姜辛卢柯
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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