... rigidity amount of cutting TB8016 vertical air-floating fine boring machine The machine is mainly used for reboring single line cylinders and ... of automobiles motor cycles and tractors and also for other machine element holes.Reliable performance, widely use, processing accuracy, high ... speed (4 steps)125, 185, 250, 370 r/minSpindle feed0.09 mm/sSpindle quick reset430, 640 mm/sPneumatic pressure0.6 P ...