Air bearing spindle for PCB drilling machine,higher productivity, improved small hole drilling. It can replace Westwind D1686 spindle.

Specification:

1.Max speed : 180,000rpm;

2.Air supply prssure:80psig(5.6kg/c㎡);

3.Axial direction load: 17.9kg;

4. Air flow: 130 l/min;

5.Cooling water flow: 1.71 l/min;

6.Static precision:≤1um;

7.Dynamic runout: ≤8um at 180,000rpm;

8.Output power: 400w at 60,000rpm;

9.Radial load: 16 1b (7.2kg) at 180,000rpm;

10. Body size:2.437inch (61.9mm)