CONTENTS
1. Fundamental Safety Instructions. 3
2. Warranty notice. 5
3. Attention – Daily Check Before starting the spindle 6
4. System general description. 7
5. Aerostatic Spindle Label. 7
6. Installing the spindle. 8
7. Removing the spindle from the machine. 9
8. Specification for High – Speed Air Spindle. 10
9. Electrical Motor Specification. 11
10. Brushless DC Motor 12
11. Diagrams:
a) Torque & Power Vs. Rotation Speed 13
b) Final Velocity Vs. Torque & Acceleration Time & External Inertia 13
c) Radial Stiffness Vs. Air Pressure. 14
d) Axial Stiffness Vs. Air Pressure. 14
e) Radial Load Capacity Vs. Air Pressure. 14
f) Axial Load Capacity Vs. Air Pressure. 14
g) No Load Deceleration 14
h) Mechanical Friction Losses. 14
i) Voltage constant 15
j) Current Vs rotation speed 15
k) Torque Vs rotation speed 15
l) Vibration Speed Vs. Rotation Speed. 15
m) Vibration Amplitude Vs. Rotation Speed. 15
n) Power Vs. Current & Rotation Speed. 15
12. Raw Materials Data. 16
13. Spindle Modes. 17
14. Spindle Balancing 18
15. Electrical System. 22
16. Thermistor – 104GT-1. 23
17. Description of a Spindle Testing. 24
18. Cooling Water Sealing & Flow Test Circuit. 25
19. Failure, Cause, Prevention 26
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