18 heat treatment production practice experts answer questions and exchanges

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1. What is the difference between the performance of high temperature tempering (above 600 °C) and low temperature tempering (530~560 °C) after quenching of bimetal band saw blade (M42+D6A)? The quenching temperature is about 1200 °C. High temperature tempering and low temperature tempering have little effect on the tensile strength of the backing material D6A.
2. The mold nitriding treatment has a long cycle time. Is there any method or process improvement that can improve the nitriding production efficiency?
3. Which users have the application of “pressure quenching” heat treatment tooling? Tooling is added when the furnace is heated and quenched?
4. How to solve the uneven temperature of the protective atmosphere furnace (the temperature difference between the district and the district)?
5. After the continuous furnace quenching, the surface of the gear will produce spots, and the rust will form after a long time. Non-martensitic causes after continuous furnace quenching, the solution?
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The actual heat treatment problems of many companies have been heatedly discussed at the 2014 Advanced Energy Saving Heat Treatment Technology and Equipment Symposium. Let's take a look at the experts of the Q&A.

Chen Guomin

Zhao Buqing

Hao Fenglin

Wang Xiyu

Ma Weidong

Du Shufang

Yao Chunchen


Liu Rixin


Huang Pei


Yao Jihong

Xu Dong
Look at the photos of the Q&A site.

On-site Q&A scene

Yao Jihong expert answered the questioner


Questioner and respondent
The on-site questioner enthusiastically spoke
The entire Q&A will solve the problem of heat treatment in nearly 18 companies, which provides a good guarantee for the production of the company. This Q&A session is part of the 2014 Advanced Energy-Saving Heat Treatment Technology and Equipment Symposium, which also has nearly 14 special reports, especially the reports from experts such as Chen Guomin.
For more details of the report, please pay attention to the later reports.
Each report is close to the industry to solve practical problems. After the meeting, he also visited Hunan Dingli Technology Co., Ltd. Many representatives were surprised at the scale of the company's vacuum heat treatment.
For detailed reports on the conference, please pay attention to: Metal Processing Online Thermal Network Special Report.

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