Principle,characteristics and application of technique up -to -date of pipe bending such as zero radius bending,MF induction bending,heat stress bending and Laser forming have been expounded.

• 论述了零半径弯曲、中频感应弯曲、热应力弯曲及激光弯曲成形等管材弯曲加工最新技术的原理、特点和工程应用。