图片名称

Heat treatment of ring chain

RELEASE TIME :

2020-06-23

Heat treatment of ring chain is a shortcut to improve production efficiency. The ring chain is widely used in the hoisting industry. It is the main load-bearing part of the hoisting equipment. When we clean or maintain it, we should avoid the occurrence of its wear.

  Heat treatment of mine ring chain is a shortcut to improve production efficiency.
Mine ring chain is the key component of coal mine transport machinery traction. It has great demand and strict quality requirements, especially related to the safety of coal production. However, heat treatment is an important link in manufacturing, and its quality mainly depends on the quenching and tempering temperature control of the ring chain used in mining, and the tempering temperature control is very precise.
Tempering: After the ring chain comes out of the tank, it enters the tempering sensor at the original speed for secondary heating (temperature difference tempering). When the temperature in the middle of the chain reaches 650 degrees Celsius, the chain leaves the sensor and is naturally cooled by air. The purpose of tempering is to improve the plasticity of the ring chain. Quenching inductor and tempering inductor in series, the chain is driven by motor.
After quenching: The processed ring chain is driven by a constant speed motor, fed into the spark sensor, and heated by the movement of the sensor, the chain temperature can rise to 800-1000 in a few seconds. When the surface temperature of the chain ring reaches the specified temperature, the chain ring is cooled by spraying water at the sensor outlet. Then it goes into a sink to cool it down further. The purpose of quenching is to improve the strength and hardness of the ring chain and its service life.
The company will continue to do its best to produce the chain in the ring, improve the efficiency of the chain, and ensure the production demand of the enterprise.

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