1、With long travel of tool feeding,which can improve the work efficiency and coxial of bored bushing. 2、The boring bar is special heat treatment,which can improve the rigidity and hardness of the boring bar and working precsion availably. 3、The auto-feeding system adopts stepless adjusting,suits for processing all kinds of materials and hole diameter of the bushing. 4、With special measuring device,it is easily to measure the workpiece. Technical parameter:

Model	T8120E×20
Range of hole diameter to be bored	φ36-φ200mm
Max.length of cylinder body to be bored	2000mm
Max alongation of spindle	300mm
Spindle speed(Frequency conversion stepless speed regulation)	200-960r/min
Spindle feed rate of per revolution	0-180mm/min (stepless speed regulation)
Distance between spindle axis and bed surface of machine	570-870mm
Main motor power	1.5KW Frequency conversion motor
N.W/G.W	2100/2300kg
Over Dimension(L x W x H)	3910x650x1410mm