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T7220C

T7220C

Cylinder Boring Machine



Model: T7220C
Max. boring diameter: 200mm
Max. boring depth: 500mm
Max. milling capacity: 850x250mm
Longitudinal/Cross travel: 900/100mm
Spindle speed: 53-840rpm

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Product Description

Cylinder Boring Machine



Model: T7220C
Max. boring diameter: 200mm
Max. boring depth: 500mm
Max. milling capacity: 850x250mm
Longitudinal/Cross travel: 900/100mm
Spindle speed: 53-840rpm



Technical Specification


Model

Unit

T7220B

T7220C

T7226

Max. boring diameter

mm

200

200

260

Max. boring depth

mm

500

500

500

Milling cutter head diameter

mm

-

250/315

-

Max. milling area

mm

-

850×250/780x315

-

Spindle speed

rpm

53-840

53-840

53-840

Spindle feed rate

mm/r

0.05-0.2

0.05-0.2

0.05-0.2

Distance from spindle center to column

mm

315

315

315

Table longitudinal travel

mm

900

1100

900

Table longitudinal feed speed

mm/min

-

55, 110

-

Table longitudinal rapid feed speed

mm/min

-

1500

-

Table cross travel

mm

100

100

100

Boring dimensions accuracy

-

IT7

IT7

IT7

Milling dimensions accuracy

-

-

IT8

-

Roundness

mm

0.005

0.005

0.005

Cylindricity

mm

0.02/300

0.02/300

0.02/300

Boring surface roughness

um

Ra0.8-Ra1.6

Ra1.6

Ra0.8-Ra1.6

Milling surface roughness

um

-

Ra1.6-3.2

-

Machine dimensions (LxWxH)

mm

2250x1588x2335

2610x1655x2345

2250x1588x2335

Packing dimensions (LxWxH)

mm

1830x1800x2620

1830x1964x2535

1830x1800x2620

N.W/G.W

kg

3300/3800

3800/4200

3300/3800







Product Details


T7220B 

  • Vertical boring machine is mainly used to bore high accurate holes of cylinder body and engine sleeve and other accurate holes.

  • The table longitudinal and latitudinal moving device;

  • Boring measuring device;

  • Also provides optional digital readout for the table's longiland latimoving accessories to servo the users.


T7220C

  • The machine 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 and reaming.

  • The table longitudinally and latitudinally moving devices;

  • The workpiece fast centering device;

  • Boring measuring device;

  • The table logitrdinal moving;

  • Digital read-out device (optional).






Standard Accessories


  • Boring spindle Φ150mm

  • Boring measuring device



Optional Accessories


  • Boring spindle Φ110mm

  • Boring spindle Φ75mm 

  • Boring spindle Φ56mm

  • Boring spindle Φ45mm

  • Universal spindle stand

  • Φ250 Milling head

  • MT4 Cone toolbar

  • Fixture for V-engine 

  • Quick fixture for cylinder and head



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