As the cold heading machine is in the case of heavy load, continuous production, coupled with a higher degree of automation, and most of the body movement by the crankshaft or cam control for cyclical reciprocating motion or swing, so that the acceleration caused by the impact and impact Force is very large, and the cold heading machine and the main parts of the material selection is also imperfect, so easy to use in the damage.
In the practice of production and maintenance of the cold heading machine made some improvements. Improvement of the main drive section For the upsetting speed of the cold heading machine, the productivity of the large cold heading machine (the diameter of the screw rod is 10 mm or more) per minute is 60 to 70 pieces (refers to the double-heading cold heading machine), the number of stroke For 120 to 140 times / min. According to the cold heading process requirements, the initial heading speed is between 0.4 and 1 m / s.
As the cold and cold machine is in the case of heavy load, speed production, coupled with a higher degree of automation, and most of the movement by the crankshaft or convex control for the cyclical reciprocating motion or swing, so that the acceleration caused by the force And the impact force is very large, and the cold heading machine and the main parts of the material selection is also imperfect, so easy to use in the bad.