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Cutter cutting edge machining method

A processing method and cutting tool technology, which can be used in metal processing equipment, manufacturing tools, used abrasive treatment devices, etc., can solve the problems of poor durability and uneven force on the cutting edge of the cutting edge, so as to improve the smoothness and improve the cutting edge. Mouth strength and arc uniformity, the effect of reducing partial stress

Active Publication Date: 2021-02-19
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to overcome the defects of uneven stress and poor durability of the cutting edge in the above-mentioned prior art, and provide a method for processing the cutting edge. The surface of the cutting edge of the tool prepared by this method is smooth, high in strength, uniform in force during cutting, and good in durability.

Method used

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  • Cutter cutting edge machining method
  • Cutter cutting edge machining method
  • Cutter cutting edge machining method

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Effect test

Embodiment approach

[0046] As a preferred embodiment of the present invention, in the fine cleaning step, the first lye cleaning, acid solution cleaning, pure water cleaning for the first time, lye cleaning for the second time, and pure water cleaning for the second time are performed in sequence. , The third pure water cleaning, rust inhibitor solution cleaning.

[0047] As a preferred embodiment of the present invention, the pH of the first alkaline cleaning and the second alkaline cleaning are both 7-8, and the pH of acid cleaning is 6-7.

[0048] As a preferred embodiment of the present invention, the soaking time of the first alkaline cleaning and the second alkaline cleaning is 400-450s, and the ultrasonic frequency is 20-30KHz; the soaking time of the acid cleaning is 400-450s, the ultrasonic frequency is 35-45KHz; the soaking time of the first pure water cleaning is 25-35s; the soaking time of the second pure water cleaning is 55-65s, the ultrasonic frequency is 35-45KHz; The soaking time ...

Embodiment 1

[0051] A method for machining a cutting edge, comprising the steps of:

[0052] S1: Rough cleaning of tools (rinsing and degreasing): before rough cleaning, first heat the cleaning liquid in the tool vapor phase cleaning line to 80°C; turn on the ultrasonic transmitter for 5 minutes; then move the tool to the steam tank In the process, the time is 3 minutes; after cleaning, take out the tool and dry it with a hair dryer.

[0053] S2: Wet sandblasting passivation of tools: the tool is a milling cutter whose substrate is high-speed steel; the abrasive is selected as white corundum, the abrasive particle size is 300#, and the water content is 5%; the spray direction is set to 30°, the spray pressure is 2kg, and the spray The time is 10min, and the distance from the nozzle to the workpiece is 50mm. After the whole process is completed, turn off the power and take out the knife.

[0054] S3: Tool fine cleaning: After the tool passivation is completed, the tool is roughly cleaned....

Embodiment 2

[0059] A method for machining a cutting edge, comprising the steps of:

[0060] S1: Rough cleaning of tools (rinsing, degreasing): Before rough cleaning, first heat the cleaning liquid in the tool vapor phase cleaning line to 90°C; turn on the ultrasonic transmitter for 7 minutes; then move the tool to the steam tank In the process, the time is 4 minutes; after cleaning, take out the tool and dry it with a hair dryer.

[0061] S2: Wet sandblasting passivation of the tool: the tool is a milling cutter with a hard alloy substrate; the abrasive is selected as white corundum, the size of the abrasive is 400#, and the water content is 8%; the injection direction is set to 40°, and the injection pressure is 1kg. The injection time is 12min, and the distance from the nozzle to the workpiece is 60mm. After the whole process is completed, turn off the power and take out the knife.

[0062] S3: Tool fine cleaning: After the tool passivation is completed, the tool is roughly cleaned. ...

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Abstract

The invention discloses a cutter cutting edge machining method, which comprises the following steps: a rough cleaning step: primarily cleaning a cutter to remove pollutants on the surface of the cutter; a wet-type sand blasting passivation step: wet-type sand blasting treatment is conducted on the surface of the cutter through a nozzle, and the machining condition of wet-type sand blasting is determined according to the type of the cutter and the material of the cutter; wherein the type of the cutter comprises a milling cutter and a fine trimming blade, and the cutter is made of high-speed steel and hard alloy; a fine cleaning step: after passivation, sequentially carrying out alkali liquor cleaning, acid liquor cleaning and pure water cleaning on the cutter, and finally cleaning by adopting an antirust agent solution; and a drying step: carrying out drying treatment after the cutter is finely cleaned. The cutting edge of the cutter manufactured through the method is smooth in surface,high in strength, even in stress in the cutting process and good in durability.

Description

technical field [0001] The invention relates to the technical field of industrial tool manufacturing, in particular to a tool edge processing method. Background technique [0002] In recent years, with the research and development of cutting technology, the requirements for tool durability and tool life are getting higher and higher. The cutting edge geometry has a crucial influence on the tool life and cutting performance. Tool edge preparation technology has been paid more and more attention. Tool edge preparation refers to the fine and ultra-fine deep processing of the micro-geometric shape of the formed cutting tool by the finishing method during the tool production process or before its use. By improving the microstructure morphology and stress state of the cutting edge and cutting area, the wear resistance and service life of the tool can be improved, and the stability of the cutting process and the quality of the processed workpiece can be improved. [0003] In the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24C1/02B24C9/00
CPCB24C1/02B24C9/00
Inventor 郑李娟王成勇徐东区赖志伟
Owner GUANGDONG UNIV OF TECH
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