... operation 4.Imported brands 5.Short welding time BYC series friction welding machineMain features1.All electrical and hydraulic ... rail line to ensure precision welding4.High efficiency welding machine, welding time is about 30 seconds5.Complete control and ... engine pistons, gears, hydraulic piston rod. 6.Others: printing press rotor, electrical axis, marine motor drive shaft, combined hydraulic ...