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).