# VVM 2-150 pump drive gearbox — OAO Chernyansky Sugar Plant

**IE S028**  
OAO Chernyansky Sugar Plant · Russia · 2010

The gear mesh built up metal, the contact patch widened, scoring and pitting disappeared. VVM 2-150 pump drive gearbox, OAO Chernyansky Sugar Plant.

## Measured

- wheel tooth thickness at the constant chord, 8.7-8.8 → 8.8-8.9 mm — **0.05-0.10 mm**

## Conclusion

The gear mesh built up metal, the contact patch widened, scoring and pitting disappeared

Page: https://industry.xado.com/case/akt_oao_chernianskii_makharnyi_zavod_reduktor_nasosa_vvm_2_1
PDF report: https://industry.xado.com/pdf/TIER%20S/Chernyanka/gearboxes-privoda-pumps-VVM-2-150/IE-S028_XADO_Chernyanka_gearboxes-privoda-pumps-VVM-2-150_EN.pdf
Original scan: https://industry.xado.com/scans/akt_oao_chernianskii_makharnyi_zavod_reduktor_nasosa_vvm_2_1.pdf