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Novel machining method for cutter

A processing method and a new type of technology, applied in the field of new machinery, can solve the problems of imperfect structure, intolerant of wear and impact, and difficult to control thickness tolerance.

Inactive Publication Date: 2013-08-07
南京易北环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1) At present, more than 99% of the mold steel plates on the market are bars or plates with a width of 300MM or more.
[0004] 2) The structure is not perfect, the size and mechanical properties are unstable, not resistant to wear and impact, and the service life is short, which will endanger production safety in severe cases
[0005] 3) Adopt the secondary rolling technology, the general mold should be 300-600MM wide, and the thickness tolerance is difficult to control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The method adopts the selection of key raw materials, targeted design, and design of the core material usage method. Through a large number of tests and equipment transformation, the mold steel material is used as a fixed width and thickness. Through transformation, a new type of fixed width and height mold is used. After forging and rolling, the size of the material is controlled by the mold, the carbides in the metallographic structure are fully broken up to level two or above, the overall processing cost is reduced by 30%, and the performance is improved again. Entering the smelting and manufacturing furnace, the temperature is adjusted: the heating rate is 80°C per second, the temperature is adjusted to 1020°C, after 5 minutes it cools down with the furnace, the temperature is 550°C, the cooling rate is 20°C per second, after 10 hours, it is packaged, and the amount of cutting is minimized due to the secondary orientation rolling , At the same time, due to the second...

Embodiment 2

[0026] The method adopts the selection of key raw materials, targeted design, and design of the core material usage method. Through a large number of tests and equipment transformation, the mold steel material is used as a fixed width and thickness. Through transformation, a new type of fixed width and height mold is used. After forging and rolling, the size of the material is controlled by the mold, the carbides in the metallographic structure are fully broken up to level two or above, the overall processing cost is reduced by 30%, and the performance is improved again. Entering the smelting and manufacturing furnace, the temperature is adjusted: the heating rate is 95°C per second, the temperature is adjusted to 1030°C, after 5 minutes, the furnace cools down, the temperature is 600°C, the cooling rate is 20°C per second, after 10 hours, it is packaged, and the amount of cutting is minimized due to the secondary orientation rolling , At the same time, due to the secondary def...

Embodiment 3

[0035] The method adopts the selection of key raw materials, targeted design, and design of the core material usage method. Through a large number of tests and equipment transformation, the mold steel material is used as a fixed width and thickness. Through transformation, a new type of fixed width and height mold is used. After forging and rolling, the size of the material is controlled by the mold, the carbides in the metallographic structure are fully broken up to level two or above, the overall processing cost is reduced by 30%, and the performance is improved again. Entering the smelting and manufacturing furnace, the temperature is adjusted: the heating rate is 90°C per second, the temperature is adjusted to 1028°C, after 5 minutes, the furnace cools down, the temperature is 570°C, the cooling rate is 20°C per second, after 10 hours, it is packaged, and the amount of cutting is minimized due to the secondary orientation rolling , At the same time, due to the secondary def...

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PUM

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Abstract

The invention relates to a novel machining method for a cutter. The novel machining method includes: cutting a die steel material into a die blank with fixed width, first conducting forging, fully smashing metallographic structure carbide in the die blank with the fixed width, conducting twice rolling, using a die with fixed width and fixed height to set the size of the material, placing the material into a smelting manufacturing furnace with heating rate as 80-95 DEG C per second, adjusting the temperature to 1020-1030 DEG C, cooling along with the smelting manufacturing furnace 5 minutes later with the temperature as 550-600 DEG C and the cooling speed as 20 DEG C per second, and packaging 10 hours later. Due to secondary deformation, the carbide texture is scattered, and the strength of the cutter is enhanced.

Description

technical field [0001] The invention belongs to the new mechanical technical field of a new processing technology, and in particular relates to a new processing method for cutting tools. Background technique [0002] my country is a big manufacturing country. The rapid development of industry directly drives the continuous improvement of the environmental protection machinery manufacturing industry. In addition to the domestic market, the export scale of domestic equipment is also increasing year by year. More and more foreign customers are becoming interested in Chinese equipment. Especially as the growth space of the domestic market gradually decreases, it is a realistic choice for domestic manufacturers to focus more on the international market and strive to improve their international competitiveness. Cutting tools are very important components in mechanical equipment, especially in In the plastic machinery manufacturing industry, the quality and structure of the cutting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/28
Inventor 赵树伟高岩
Owner 南京易北环保科技有限公司