图片名称

High strength ring chain production technology

RELEASE TIME :

2018-03-20

Production process of ring chain: blanking → cold bending braid → closing → welding → primary correction → heat treatment → secondary correction (pre-drawing) → inspection. Welding and heat treatment are the key processes of mining ring chain production, which directly affect the product quality. Scientific welding parameters can improve the yield and reduce the production cost; Proper heat treatment process can give full play to material properties and improve product quality. In order to ensure the quality of mining ring chain welding, manual arc welding and resistance butt welding have been eliminated, flash butt welding is widely used because of its outstanding advantages such as high degree of automation, low labor intensity and stable product quality. At present, the mining ring chain is hot

Production process of ring chain: blanking → cold bending braid → closing → welding → primary correction → heat treatment → secondary correction (pre-drawing) → inspection. Welding and heat treatment are the key processes of mining ring chain production, which directly affect the product quality. Scientific welding parameters can improve the yield and reduce the production cost; Proper heat treatment process can give full play to material properties and improve product quality.
In order to ensure the quality of mining ring chain welding, manual arc welding and resistance butt welding have been eliminated, flash butt welding is widely used because of its outstanding advantages such as high degree of automation, low labor intensity and stable product quality.
At present, intermediate frequency induction heating is widely used in the heat treatment of mining ring chain. The essence of medium frequency induction heating is that the molecular structure of the object is stirred under the electromagnetic field, and the molecules obtain energy and generate heat by collision. Medium frequency induction heat treatment, the inductor through a certain frequency of alternating current, the workpiece in the inductor uniform speed movement, so that in the workpiece will produce an inductor frequency, the same as the inductor frequency, in the opposite direction of the induced current, so that electric energy into heat energy, in a short time to heat the workpiece to the quenching and tempering temperature required

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