Vertical Boring Machine T7220B. 53-840 r/min. used to drilling reaming
Boring machine

The T7220B vertical boring machine is mainly used to bore high accurate holes of cylinder body and engine sleeve and other accurate holes.

The 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.

• Main specifications

  Model	T7220B	T7220C
  Max. boring diameter	Φ200 mm	Φ200 mm
  Max. boring depth	500 mm	500 mm
  Milling cutter head diamenter	-	250 mm
  Max. milling area (L×W)	-	850×250 mm
  Spindle speed range	53-840 r/min
  Spindle feed range	0.05-0.20 mm/r
  Spindle travel	710mm
  Distance from spindle axis to carriage vertical plane	315mm
  Table longitudinal travel	900mm	1100 mm
  Table longitudinal feed speed	-	54,108 mm/min
  Table longitudinal quick move speed	-	1500 mm/min
  Table latitudinal travel	100 mm
  Boring dimension accuracy	IT7
  Milling dimension accuracy	-	IT8
  Roundness	0.005
  Cylindricity	0.01/300
  Boring surface roughness	Ra1.6
  Milling surface roughness	-	Ra1.6-3.2
  Overall dimensions (L×W×H)	2210×1600×2340 mm	2610×1600×2350 mm
  Packing dimensions (L×W×H)	1850×1840×2230 mm
  N.W./G.W.	3300/3800 kg	3600/4000 kg

• Accessories
  vertical boring machine T7220B/T7220C

  Model	Standard Accessories	Optional Accessories
  T7220B	1,2	3,4,5,6,7,8,9
  T7220C	1,2,10,11,12	3,4,5,6,8,9