A 14 mm class micro slip ring designed for 100,000 rpm operation using an air bearing rotor to eliminate mechanical contact at the shaft. Four circuits carry sensor excitation and signal return for spindle error motion and thermal growth measurement in precision machine tool metrology.
| Parameter | Value |
|---|---|
| Rated Speed | 0-100000 RPM |
| Design Circuits | 4 circuits, 0.5 A each |
| Bearing Type | Air bearing rotor |
| Contact Material | Gold alloy brush on gold track |
| Outer Diameter | 14 mm |
| Dynamic Resistance Variation | <=15 mOhm |
| Insulation Resistance | >=100 MOhm at 250 VDC |
| Dielectric Strength | >=200 VAC / 50 Hz / 60 s |
| Starting Torque | <0.5 N.cm |
| Operating Temperature | -10C to +70C |
| Working Life | 20 million revolutions |
| Mounting | Shaft mount with clamp collar |
Model SP012014-U4 is available from one piece with carton packaging and delivery in one to three weeks. Custom circuit counts, lead wire lengths, connector terminations and mounting flanges can be quoted on request. Send your drawing or specification and our engineering team will confirm the matching configuration within two working days.