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Milling cutter machining process

A processing technology and milling cutter technology, which is applied in the field of milling cutter processing technology, can solve the problems of short service life and insufficient surface hardness of milling cutters, and achieve the effects of good wear resistance, high hardness and good comprehensive mechanical properties

Inactive Publication Date: 2016-07-20
NANJING VOCATIONAL UNIV OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing milling cutter processing technology is relatively traditional, the surface hardness of the manufactured milling cutter is not high enough, and the service life is short

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The milling cutter processing technology uses the alloy tool steel with the brand name W18Cr4V as the raw material to manufacture the milling cutter. The processing technology of the milling cutter includes the following steps. 1120°C, the terminal temperature is 910°C; then carry out (2) isothermal annealing: after the forged milling cutter blank is cooled to room temperature, carry out isothermal annealing immediately. Insulate at 740°C for 6 hours, cool to 520°C with the furnace, and then take out the furnace to cool to room temperature; then perform (3) mechanical processing: Use a CNC lathe to turn the isothermally annealed milling cutter blank out of the outer circle, inner hole and end face, and then use wire cutting The machine cuts the milling cutter blank out of the blade groove; then (4) quenching: preheat the milling cutter to 820°C for 2 hours, then raise the quenching temperature of the milling cutter to 1230°C for 3 hours, and air cool to room temperature;...

Embodiment 2

[0019] The milling cutter processing technology uses the alloy tool steel with the brand name W18Cr4V as the raw material to manufacture the milling cutter. The processing technology of the milling cutter includes the following steps. 1130°C, the terminal temperature is 920°C; then perform (2) isothermal annealing: after the forged milling cutter blank is cooled to room temperature, perform isothermal annealing immediately. During isothermal annealing, heat the milling cutter blank to 870°C for 4 hours, and air cool to Insulate at 750°C for 6 hours, cool down to 530°C with the furnace, and then take out the air to cool to room temperature; then proceed to (3) machining: use a CNC lathe to turn the isothermally annealed milling cutter blank out of the outer circle, inner hole and end face, and then use wire cutting The machine cuts the milling cutter blank out of the blade groove; then (4) quenching: preheat the milling cutter to 830°C for 2 hours, then raise the quenching tempe...

Embodiment 3

[0021] The milling cutter processing technology uses the alloy tool steel with the brand name W18Cr4V as the raw material to manufacture the milling cutter. The processing technology of the milling cutter includes the following steps. 1150°C, the terminal temperature is 930°C; then carry out (2) isothermal annealing: after the forged milling cutter blank is cooled to room temperature, carry out isothermal annealing immediately. Insulate at 760°C for 6 hours, cool to 550°C with the furnace, and then take out the furnace to cool to room temperature; then perform (3) mechanical processing: use a CNC lathe to turn the isothermally annealed milling cutter blank out of the outer circle, inner hole and end face, and then use wire cutting The machine cuts the milling cutter blank out of the blade groove; then (4) quenching: preheat the milling cutter to 850°C for 2 hours, then raise the quenching temperature of the milling cutter to 1250°C for 3 hours, and air cool to room temperature;...

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PUM

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Abstract

The invention discloses a milling cutter machining process, and relates to the field of machining. The milling cutter machining process comprises the following steps: forging blank, carrying out isothermal annealing, carrying out machining, quenching, tempering, and phosphating. According to the milling cutter machining process, alloy tool steel with a trade mark of W18Cr4V is selected as a raw material for manufacturing a milling cutter, and the W18Cr4V steel is high-speed steel with good comprehensive mechanical properties and great hardness, so that the manufactured milling cutter is good in wear resistance. The tempered milling cutter is soaked into an acidic dilute aqueous solution comprising a phosphating solution, so that a layer of phosphating film is formed on the surface of the milling cutter, and therefore, the corrosion resistance of the milling cutter is improved.

Description

technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a milling cutter processing technology. Background technique [0002] A milling cutter is a rotating tool with one or more teeth for milling. When working, each tooth cuts off the allowance of the workpiece intermittently in turn. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces and cutting off workpieces on milling machines. The existing milling cutter processing technology is relatively traditional, and the surface hardness of the manufactured milling cutter is not high enough, and the service life is short. Contents of the invention [0003] The object of the present invention is to provide a milling cutter processing technology that enhances the surface hardness of the milling cutter to address the above-mentioned deficiencies in the prior art. [0004] The purpose of the present invention is achieved through the followi...

Claims

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Application Information

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IPC IPC(8): B23P15/34
CPCB23P15/34
Inventor 陈海琴
Owner NANJING VOCATIONAL UNIV OF IND TECH
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