For Quality
Inspection
The precision of TNK’s product is sustained by our technical skill and quality control. We measure by measuring instrument and some visual inspections. The product is used in a machine works in a vacuum space.
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Measuring instrument
Possession measuring instrument
- We have a perfect guarantee system by the precision measuring instruments.
| Inside/Outer diameter detector |
SPM-10 |
Movomatic |
| Micrometer | Electric Micrometer | |
| Outer diameter | Image instrument | Projector |
| Contour form measurement | ||
| Surface measuring device | Roundness measuring device | Rockwell hardness |
| Surface roughness measuring device | Micro-vickers hardness measuring device | |
| Material measuring equipment | Metallurgical microscopes | High temperature chamber |
| Impact testing machine | Tension testing machine | |
| Others | Gauss meter | Magnetic permeability measuring device |
In-house measurement
- It’s our original measurement which is made at TNK and is high precise measurement.
| High precise outer diameter detector | UPM-20 | |
| Discrimination | 0.001μm | |
| Precise outer diameter detector | SPM-10 | |
| Discrimination | 0.01μm | |
| Gages pin | Various | |
| Diametral accuracy | 0.1μm |
