I． GARAGE EQUIPMENTS
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II． ENGINE REBUILDING MACHINES
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III．MACHINE TOOLS
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II． ENGINE REBUILDING MACHINES  
Vertical fine boring-milling machine-T7220C
Features：
　　The machine is mainly used for fine boring high accurate holes of cylinder body and engine sleeve also for othe 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 latitudinally moving devices;
  • The workpiece fast centering device;
  • Boring measuring device;
  • The table longitudinal moving;
  • Digital read-out device(user quest).

Specifications:

Max.Boring Diameter 　 Ф200mm
　Max.Boring Depth 　 500mm
　Milling Cutter-head Diameter  　 250mm
　Max.Milling Area(LxW) 　 850X250mm 
　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 　 54、108mm/min
　Table Longitudinal quick move speed 　 1500mm/min
　Table Latitudinal Travel 　 100mm
Machining accuracy  　Boring Dimension accuracy 1T7
　 　
　Milling Dimension accuracy 1T8
　Roundness 0.005
　Cylindricity 0.01/300
　Boring Roughness 　 Ra1.6
　Milling Roughness 　 Ra1.6～3.2
　Overall Dimensions(LxWxH) 　 1588X2610X2350mm
　N.W/G.W 　 3600/4000Kg
　Packing Dimensions(LxWxH) 　 1830X1730X2620mm

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