Spring shot blasting machine / automatic / 4-wheel
The former achieves the required pretension with a pressing force of 20 t and an upstroke of 200 mm. It can treat work pieces with a maximum length of 1,750 mm. As they pass through the machine, the surface of a pair of springs is hardened at the tightened end and at the edges. The transport is program controlled to run at a feeding rate of 3 10 m/ minute. Sensors automatically advance to the next transport step at the Transfer points of the roller conveyors.