NAME: Vertical Fine Boring-Milling Machine
MODEL: T7220C
To introduce: T7220C is mainly used for fine boring high accurate holes of cylinder body and engine sleeve also for other accurate holes, it's can used for milling surface of cylinder. The machine can be used to boring、milling、drilling、reaming.
--The table longitudinally and cross moving devices
--The workpiece fast centering device
--Boring measuring device
--The table longitudinal moving
--Digital read-out device(user quest)

Main Specification 

Model T7220C
Max. Boring Diameter 200mm
Max. Boring Depth 500mm
Diameter of Milling Cutter Head 250mm (315mm is optional)
Max .Milling Area (L x W) 850x250mm (780x315mm)
Spindle Speed Range 53-840rev/min
Spindle Feed Range 0.05-0.20mm/rev
Spindle Travel 710mm
Distance from Spindle Axis to Carriage Vertical plane 315mm
Table Longitudinal Travel 1100mm
Table Longitudinal feed speed 55、110mm/min
Table Longitudinal quick move speed       1500mm/min
Table cross travel 100mm
Machining accuracy Dimension Accuracy 1T7
Roundness 0.005
Cylindricity 0.02/300
Boring roughness Ra1.6
Milling roughness Ra1.6-3.2

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