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Processing method of cutter

A technology for cutting tools and processing methods, applied in metal processing equipment, cutting tools for milling machines, workpieces, etc., can solve the problem of large difference in thermal expansion coefficient between the coating and the substrate, and the bonding force between the diamond coating and the cemented carbide substrate. Weak and complex shapes are difficult to process, etc., to achieve the effect of small friction coefficient, low scrap rate and high processing precision

Inactive Publication Date: 2018-12-14
CONPROFE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Compared with polycrystalline diamond tools and diamond-coated tools, diamond-coated tools have problems such as weak bonding between the diamond coating and the cemented carbide substrate, and a large difference in thermal expansion coefficient between the coating and the substrate, resulting in internal stress. Layer tools are prone to coating peeling during high-speed milling, resulting in coating failure; polycrystalline diamond tools do not have the serious bonding force problem of diamond-coated tools, but there is a problem that complex shapes are difficult to process

Method used

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  • Processing method of cutter
  • Processing method of cutter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] A processing method for a cutting tool, comprising the steps of:

[0078] Step 1, making the knife handle 20 and the knife head blank;

[0079] Step 2, welding the knife handle 20 and the knife head blank together;

[0080] Step 3, using electric discharge machining technology to process the cutter head blank to form a cutter head 10, thereby obtaining a cutting tool, the cutting tool includes a cutter head 10 and a handle 20 fixedly connected to the cutter head 10, the The cutter head 10 has a side surface 32 and a top surface 31 connected to the side surface 32, and the cutter head 10 is provided with 14 blades 11 that are radially distributed relative to the center of the top surface 31, and the 14 blades The blades 11 all extend from the top surface 31 to the side surface 32, and a knife groove 12 is provided between every two adjacent blades 11;

[0081] Step 4, forming a groove 13 in the top central area of ​​the cutter head 10 by laser processing technology, an...

Embodiment 2

[0088] A processing method for a cutting tool, comprising the steps of:

[0089] Step 1, making the knife handle 20 and the knife head blank;

[0090] Step 2, welding the knife handle 20 and the knife head blank together;

[0091]Step 3, using electric discharge machining technology to process the cutter head blank to form a cutter head 10, thereby obtaining a cutting tool, the cutting tool includes a cutter head 10 and a handle 20 fixedly connected to the cutter head 10, the The cutter head 10 has a side surface 32 and a top surface 31 connected to the side surface 32. The cutter head 10 is provided with 16 blades 11 that are radially distributed relative to the center of the top surface 31. The 16 blades The blades 11 all extend from the top surface 31 to the side surface 32, and a knife groove 12 is provided between every two adjacent blades 11;

[0092] Step 4, forming a groove 13 in the top central area of ​​the cutter head 10 by laser processing technology, and the bla...

Embodiment 3

[0099] A processing method for a cutting tool, comprising the steps of:

[0100] Step 1, making the knife handle 20 and the knife head blank;

[0101] Step 2, welding the knife handle 20 and the knife head blank together;

[0102] Step 3, using electric discharge machining technology to process the cutter head blank to form a cutter head 10, thereby obtaining a cutting tool, the cutting tool includes a cutter head 10 and a handle 20 fixedly connected to the cutter head 10, the The cutter head 10 has a side surface 32 and a top surface 31 connected to the side surface 32. The cutter head 10 is provided with 18 blades 11 that are radially distributed relative to the center of the top surface 31. The 18 blades The blades 11 all extend from the top surface 31 to the side surface 32, and a knife groove 12 is provided between every two adjacent blades 11;

[0103] Step 4, forming a groove 13 in the top central area of ​​the cutter head 10 by laser processing technology, and the bl...

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Abstract

The invention discloses a processing method of a cutter. The processing method comprises the following steps of (1) manufacturing a cutter handle and a cutter head blank; (2) welding the cutter handleand the cutter head blank; (3) processing the cutter head blank by adopting an electro-discharge machining process so as to form a cutter head, so that the cutter is obtained, wherein the cutter comprises the cutter head and the cutter handle which is fixedly connected with the cutter head, the cutter head is provided with a side surface and a top surface which is connected with the side surface,14 to 18 cutting edges which are radially distributed relative to the center of the top surface are arranged on the cutter head, all of the 14 to 18 cutting edges extend to the side surface from thetop surface, and cutter grooves are respectively formed between every two adjacent cutting edges. The cutting edges and the cutter grooves in the cutter head are formed by adopting the electro-discharge machining process, so that the processing method of the cutter has the advantages of high machining precision, simple processing technique and low processing cost.

Description

technical field [0001] The invention relates to the field of mechanical processing, in particular to a processing method of a cutting tool. Background technique [0002] Diamond tools have the characteristics of extremely high hardness and wear resistance, high thermal conductivity, low thermal expansion coefficient, low friction coefficient, and low affinity with non-ferrous metals, which enable them to obtain high processing accuracy and processing efficiency in high-speed cutting. The processing characteristics of diamond tools are determined by the crystal structure of diamond. In diamond crystals, each carbon atom forms a covalent bond with four adjacent carbon atoms, and has a regular tetrahedral structure in space. The carbon atoms of this structure The binding force between them is extremely high, and it shows extremely high hardness on the macroscopic scale. [0003] At present, diamond tools mainly include monocrystalline diamond (MCD) tools, polycrystalline diamo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/10B23P15/34
CPCB23C5/1081B23C2210/04B23C2210/0485B23C2222/28B23P15/34
Inventor 颜炳姜李伟秋林一松
Owner CONPROFE TECH GRP CO LTD