into a mold. subsequent solidification results in metal shaped to the mold. this is economical and often requires little finishing after the metal is solidified. process parameters that determine the success of the casting process include: shrinkage due to solidification of the metal, flow rate and...
retaining technique is improved that dropping of the rollers can be thoroughly prevented. the friction is low and can move freely both in redial and in axial directions, and the bearing is in high precision. this is a young generation of the roller bearing which can roll in high speed, and is used in rolling...