MAIN SPECIFICATIONS
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Max. Boring Diameter		Ф200mm
Max. Boring Depth		500mm
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		90mm
Table Latitudinal Travel		100mm
Machining accuracy	Dimension accuracy	1T7
	Roundness	0. 005
	Cylindricity	0. 01/300
	Surface roughness	Ra1. 6
Overall Dimensions（LxWxH）		1588x2210x2340mm
N. W/G. W.		3300x3800kg
Packing Dimensions（LxWxH）		1830x1730x2620mm

 APPLICATION AND FRATURES

The T7220BVertical fine 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;

The work piece fast centering device;

Boring measuring device;

Also provides optional digital readout for the table's longi and lati moving accessories to serve the users.