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High-speed steel tool forging technology

A technology of high-speed steel and knives, which is applied in the field of forging knives, can solve the problems of knives prone to chipping, reduce the possibility of chipping, improve shape, and improve the effect of microstructure and mechanical properties after forging

Active Publication Date: 2020-10-30
南京军平机械制造有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] In order to improve the problem that the tool is prone to chipping, the application provides a high-speed steel tool forging process

Method used

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  • High-speed steel tool forging technology
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  • High-speed steel tool forging technology

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Embodiment Construction

[0056] The embodiment of the present application discloses a high-speed steel cutting tool forging process.

[0057] refer to figure 1 , a high-speed steel cutting tool forging process, comprising the following steps:

[0058] S1, prepare the ingredients, use the band saw to cut the high-speed steel ingot into pieces to form a billet, the size of the billet is 20cm*20cm*15cm;

[0059] S2. Put the billet into the desktop heating furnace 1 for heating, the heating temperature is 500°C, then increase the temperature, control the heating rate at less than 80°C per hour, and then keep warm at 850°C, so that the plasticity of the billet can be improved and the billet can be reduced. Anti-deformation ability, the billet is easy to form, and can also obtain good microstructure and mechanical properties after forging.

[0060] S3. Heat the preheated billet to a temperature of 1130-1180°C, put it into a forging mold for forging, and form the preliminary shape of the tool. The initial ...

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Abstract

The invention relates to a high-speed steel tool forging technology, in particular to a tool forging technology. The tool forging technology comprises the following steps that S1, ingredients are prepared, and a band sawing machine is used for stripping and slicing a high-speed steel ingot casting to form blanks; S2, the blanks are placed into a table type heating furnace for being heated, the heating temperature is 500 DEG C, then the temperature is raised, the heating rate is controlled to be less than 80 DEG C every hour, and then heat preservation is carried out at 850 DEG C; S3, the preheated blanks are heated to the temperature being between 1130 DEG C and 1180 DEG C, are placed into a die for forging for being forged to form an initial shape of a tool, the initial forging temperature is 1100-1150 DEG C, the final forging temperature is 900-950 DEG C, and the stopping forging temperature is 800-900 DEG C; S4, isothermal annealing is carried out; S5, quenching is carried out; S6,tempering is carried out; S7, cutting and grinding processing is carried out on the tool; and S8, surface treatment is carried out. Under a carbon atmosphere, metal ion beams are injected into the high-speed steel tool, and carbonization treatment is carried out. The tool forging technology has the effects of increasing the hardness, strength and abrasion resistance of the blanks.

Description

technical field [0001] The present application relates to a tool forging process, in particular to a high-speed steel tool forging process. Background technique [0002] A cutting tool is a tool used for cutting in mechanical manufacturing, also known as a cutting tool. The vast majority of knives are for machine use, but some are also for hand use. Since the knives used in mechanical manufacturing are basically used to cut metal materials, the term "knife" is generally understood as a metal cutting tool. [0003] With the development of my country's machinery industry, the cutting speed and the amount of cutting are increasing day by day. When the cutting tool is cutting, due to the effect of friction, the heat generated per unit time is also increasing. Sometimes the heating temperature of the cutting edge reaches 600 ℃. Above, but also under the cutting pressure, prone to chipping. Contents of the invention [0004] In order to improve the problem that the tool is pro...

Claims

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Application Information

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IPC IPC(8): C21D1/34C21D1/26C21D1/18C21D8/00C21D9/18
CPCC21D1/34C21D1/26C21D1/18C21D8/00C21D9/18
Inventor 汤小平
Owner 南京军平机械制造有限公司
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