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Novel quenching medium

A quenching medium, a new technology, applied in the direction of quenching agent, heat treatment equipment, manufacturing tools, etc., can solve the problems of fast cooling speed, low cooling capacity, flammability, etc., and achieve good cooling characteristics, low cooling capacity, high cooling capacity Effect

Inactive Publication Date: 2021-01-22
NANTONG GUANFENG CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The advantages of the present invention are: the quenching medium of the present invention overcomes the disadvantages of high cooling speed of water and easy cracking of the workpiece; slow cooling speed of oil products, poor quenching effect and flammability, and the cooling capacity of this quenching medium in high and low temperature regions Low, high cooling capacity in the middle temperature zone, good cooling characteristics, and does not corrode the workpiece

Method used

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Examples

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specific Embodiment

[0006] Specific embodiment: a new type of quenching medium, characterized in that: the new type of quenching medium is composed of the following components by weight: saponification agent 20-30, sodium hydroxide 8-15, preservative 3-4, corrosion inhibitor 1 -2. Imported quenching aid 3-5. Appropriate amount of defoaming agent and the balance is water.

[0007] The advantages of the present invention are: the quenching medium of the present invention overcomes the disadvantages of high cooling speed of water and easy cracking of workpieces; slow cooling speed of oil products, poor quenching effect and flammability, etc. Low, high cooling capacity in the middle temperature zone, good cooling characteristics, and does not corrode the workpiece.

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PUM

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Abstract

The invention discloses a novel quenching medium. The medium is composed of the following components in parts by weight of 20-30 parts of a saponifying agent, 8-15 parts of sodium hydroxide, 3-4 partsof preservative, 1-2 parts of corrosion inhibitor, 3-5 parts of an imported quenching assistant, a proper amount of defoaming agent and the balance of water. According to the quenching medium, the defects that the water cooling speed is high, and a workpiece is prone to cracking are overcome. The quenching medium overcomes the defects of low oil product cooling speed, poor quenching effect, flammability and the like in the prior art, has low cooling capacity in high-temperature and low-temperature regions and high cooling capacity in a medium-temperature region, has favorable cooling characteristics, and does not corrode workpieces.

Description

technical field [0001] The invention relates to a novel quenching medium. Background technique [0002] At present, the commonly used quenching media are water-based quenching agent and oil-based quenching agent. The characteristic of water-based quenching agent is that it has a high cooling rate throughout the cooling process. The high cooling rate in the high-temperature cooling stage can promote the formation of fine-grained workpieces. , is conducive to improving the final performance of the workpiece, but in the low temperature stage, too fast cooling rate will cause the internal stress of the workpiece to be too large, so it is easy to cause the workpiece to crack. Compared with the water-based quenching agent, the oil-based quenching agent is characterized by a slow cooling rate throughout the cooling stage. Although it can prevent the workpiece from cracking due to excessive internal stress in the low-temperature stage, it is easy to cause the workpiece to crack due ...

Claims

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Application Information

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IPC IPC(8): C21D1/60
CPCC21D1/60
Inventor 不公告发明人
Owner NANTONG GUANFENG CASTING
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