Ultra High Precision Ceramic Ring Gauges Ceramic Setting Ring
Innovacera developed a series of ceramic accessories for Inside Micrometers, Holtest and Dial Bore Gages. The ceramic material used mostly is zirconia.
The zirconia ceramic setting ring advantages:
- High wear resistance and long service life
- The coefficient of thermal expansion is very small, the effect of temperature is very small
- The hardness is very high, there is no need to worry about surface scars.
- Ring gauge management is simple (regular inspection interval is long, saving cost).
Surface Roughness: Not more than Ra0.1um
Straight Angle: 0.05/φ100
Parallelism: Not more than0.015mm
Each 0.5mm as one size, from 1mm to 50mm.
| Size | Dimensional interval | Roundness | Outer diameter tolerance: | Inner diameter tolerance | Hardness |
| 1-29mm | 0.5mm | 0.5um | ±1um | ±1um | 1200HV |
| 30-50mm | 0.5mm | 0.8um | ±1.6um | ±1.5um | 1200HV |
Some Zirconia Ceramic Ring Gauges Innovacera made and size detail:
9mm, 10mm, 18mm, 20mm, 24mm, 25mm, 28mm
| D(mm) | d(mm) | T(mm) | outer chamfer(mm) | inner chamfer(mm) |
| 1-2 | 22 | 4 | 0.4 | 0.3 |
| 2.5-4.5 | 22 | 5 | 0.4 | 0.3 |
| 5-9.5 | 32 | 8 | 0.8 | 0.5 |
| 10-14.5 | 38 | 10 | 1.2 | 0.5 |
| 15-19.5 | 45 | 12 | 1.2 | 1.0 |
| 20-24.5 | 53 | 14 | 1.2 | 1.0 |
| 25-31.5 | 63 | 16 | 1.5 | 1.0 |
| 32-39.5 | 71 | 18 | 2.0 | 1.0 |
| 40-50 | 85 | 20 | 2.0 | 1.0 |
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