This machine is mainly applied to bore and grind bearing holes (including copper quill and connecting-rod tile) on connecting-rod of gasoline and diesel engine in automobile tractor. Also can carry out fine boring or grinding process to connecting-rod bearing seat of deformed workpiece, after grinding combining surface, to ensure the parallelism of two center lines. Equipped with various specialized fixture. TM8216 can be used to complete fine boring and grinding process to piston pin hole, gas pump bearing hole and valve seat hole, etc.Model TM8216 Range of hole diameter to be bored Φ 20- Φ 160 mm Range of hole diameter to be grinded Φ 30- Φ 160mm Distance between 2 holes center of rod 80- 650 mm Distance between center of boring and grinding bar to the worktable 270 mm Longitudinal travel of worktable 450 mm Boring head motor 0.55 / 0.75 Kw Grinding head rotation / revolution motor 0.55 / 0.37 Kw Hydraulic system motor 0.55 Kw Overall dimensions 1700×1300×1800 mm Packing dimensions 2250×1120× 1660 mm N.W. / G.W. 1300 / 1500 kg
