The invention discloses a welded 
pipe optical fiber laser flying sawing 
machine. The welded 
pipe optical fiber laser flying sawing 
machine comprises a flying sawing 
machine body, 
liquid gas buffers, ahorizontal linear guide rail, a rack, a protective cover, a drag motor, a drag speed 
reducer, a rotating speed 
reducer, a clamping speed 
reducer, a lifting speed reducer, a discharging guide cylinder, a feeding guide roller, a clamping mechanism, a rotating mechanism, a first sliding block, a trolley platform, a linear module, a first gear, a second sliding block, a lifting guide rail, a feedingmotor, a first drag chain, a second drag chain, a rotating motor, a lifting motor, a clamping motor, a drag chain disc, an 
optical fiber laser cutting head, an electric cylinder, an 
elevator, a secondgear, a third gear, an optical 
fiber support, an optical 
fiber guide groove, a drag chain support, a rotating support and a clamping support. The 
liquid gas buffers are correspondingly arranged on two sides of the flying sawing machine body. The horizontal linear guide rail is arranged at the top of the flying sawing machine body. The welded 
pipe optical 
fiber laser flying sawing machine has thecharacteristics of being small in 
cutting loss and 
cutting noise.