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Heat treatment technology of air hammer material frame

An air hammer and material frame technology, which is applied in heat treatment furnaces, heat treatment equipment, metal material coating technology, etc., can solve the problems that affect the service life of air hammer material frames, have potential safety hazards, and are easy to wear, so that there are no potential safety hazards , long service life, good wear resistance

Inactive Publication Date: 2016-09-21
ANHUI RUIJIE FORGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the air hammer material frame is easy to wear and crack after long-term use, which affects the service life of the air hammer material frame and has potential safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A heat treatment process for an air hammer material frame, the process is composed of the following steps:

[0015] (1) Put the air hammer material frame to be processed into a heating furnace for primary heating, the primary heating temperature is 300°C, and then conduct a primary heat preservation, the primary heat preservation temperature is 300°C, and the primary heat preservation time is 7 hours;

[0016] (2) Carry out secondary heating to the air hammer material frame, the secondary heating temperature is 900°C, and then perform secondary heat preservation, the secondary heat preservation temperature is 900°C, and the secondary heat preservation time is 5.5 hours;

[0017] (3) Put the air hammer material frame into the carburizing agent for carburizing, the carburizing temperature is 820°C, and the carburizing time is 2.2 hours; the carburizing agent is composed of sodium carbonate, potassium chloride and sodium acetate, and the ratio between them is is 5:2:3;

...

Embodiment 2

[0023] A heat treatment process for an air hammer material frame, the process is composed of the following steps:

[0024] (1) Put the air hammer material frame to be processed into a heating furnace for primary heating, the primary heating temperature is 325°C, and then conduct a primary heat preservation, the primary heat preservation temperature is 325°C, and the primary heat preservation time is 7.3 hours;

[0025] (2) Carry out secondary heating to the air hammer material frame, the secondary heating temperature is 925°C, and then carry out secondary heat preservation, the secondary heat preservation temperature is 925°C, and the secondary heat preservation time is 5.8 hours;

[0026] (3) Put the air hammer material frame into the carburizing agent for carburizing, the carburizing temperature is 835°C, and the carburizing time is 2.4 hours; the carburizing agent is composed of sodium carbonate, potassium chloride and sodium acetate, and the ratio between them is is 4:2:3;...

Embodiment 3

[0032] A heat treatment process for an air hammer material frame, the process is composed of the following steps:

[0033] (1) Put the air hammer material frame to be processed into a heating furnace for primary heating, the primary heating temperature is 350°C, and then conduct a primary heat preservation, the primary heat preservation temperature is 350°C, and the primary heat preservation time is 7.5 hours;

[0034] (2) Carry out secondary heating to the air hammer material frame, the secondary heating temperature is 950°C, and then carry out secondary heat preservation, the secondary heat preservation temperature is 950°C, and the secondary heat preservation time is 6 hours;

[0035] (3) Put the air hammer material frame into the carburizing agent for carburizing, the carburizing temperature is 850°C, and the carburizing time is 2.5 hours; the carburizing agent is composed of sodium carbonate, potassium chloride and sodium acetate, and the ratio between them is is 4:2:3; ...

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PUM

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Abstract

The invention belongs to the technical field of air hammer material frame machining, and relates to a heat treatment technology of an air hammer material frame. The technology comprises the following steps that (1) the air hammer material frame to be treated is placed in a heating furnace for primary heating, and then primary heat preservation is carried out; (2) the air hammer material frame is subjected to secondary heating, and then secondary heat preservation is carried out; (3) the air hammer material frame is placed in a carburizing agent to be carburized; (4) the air hammer material frame is placed in quenching oil for primary quenching; (5) the air hammer material frame is placed in quenching oil for secondary quenching; and (6) the air hammer material frame is placed in the furnace for tempering treatment and then placed in the furnace to be naturally cooled to the room temperature. The air hammer material frame is good in wear resistance and cannot crack. The air hammer material frame is good in mechanical property and long in service life. No potential safety hazard exists in the air hammer material frame, and the air hammer material frame is reliable during working.

Description

technical field [0001] The invention belongs to the technical field of air hammer material frame processing, and in particular relates to a heat treatment process of air hammer material frame. Background technique [0002] Pneumatic hammer is a kind of free forging machine. The air hammer box is used to store the finished forgings. At present, the air hammer material frame is easy to wear and crack after being used for a long time, which affects the service life of the air hammer material frame, and has potential safety hazards. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a heat treatment process for an air hammer frame. [0004] In order to solve the above problems, a heat treatment process of an air hammer material frame according to the present invention, the process is composed of the following steps: [0005] (1) Put the air hammer material frame to be processed into the heating furnace for a heating,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/18C21D9/00C23C8/46
CPCC21D1/18C21D9/0068C23C8/46
Inventor 吕美莲刘春超冯宝倪吕俊吕诚
Owner ANHUI RUIJIE FORGING