3M9390AI-valve grinder yenzelwe ngokukhethekile izimboni zokulungisa izimoto kanye nemishini yezolimo yokulungisa imishiniama-ers. Incane futhi inesisindo esincane, inokwakhiwa okulula nokusebenza okulula. Iyimishini edingekayo yesevisi yokulungisa izimoto.
| Imodeli | Iyunithi | I-VR90/3M9390A |
| Ububanzi obukhulu bamavalvu azogaywa | mm | 90 |
| Ububanzi beziqu zevalvu okufanele zibanjwe (okujwayelekile) | mm | 6 ~ 16 |
| Ububanzi beziqu zevalvu ezizobanjwa (ezikhethekile) | mm | 4 ~ 7 |
| Ububanzi beziqu zevalvu ezizobanjwa (ezikhethekile) | mm | 14 ~ 18 |
| Ama-engeli ama-valve azogaywa | ° | 25 ~ 60 |
| Ukunyakaza kwekhanda eliqondisiwe isikhathi eside | mm | 120 |
| Ukunyakaza okuphambene kwekhanda lesondo lokugaya | mm | 95 |
| Ukujula okukhulu kokusika kwevalvu yomhlabathi | mm | 0.025 |
| Isivinini sokuphotha isondo lokugaya | i-rpm | 4500 |
| Isivinini sokuphotha sekhanda esilungiselelwe | i-rpm | 125 |
| Injini yokugaya ikhanda lesondo | ||
| Imodeli | I-YC-Y7122 | |
| Amandla | kw | 0.37 |
| I-voltage | v | 220 |
| Imvamisa | Hz | 50/60 |
| Isivinini | i-rpm | 2800 |