# Passenger lift worm gearboxes — KhTsNTEI JSC, Kharkiv

**IE B007**  
KhTsNTEI JSC, Kharkiv · Ukraine · 2005

Drives of both elevators became quieter and smoother, current draw dropped. Passenger lift worm gearboxes, KhTsNTEI JSC, Kharkiv. Ukraine · 2005.

## Measured

- drive current on all three phases, 10.4-11.0 → 8.0-9.0 A — **18-23 %**
- vibration displacement across housing points, 8.16-77.6 → 4.15-26.6 µm — **25-60 %**
- gearbox noise level, 78-79.5 → 75.5-76.5 dB — **2.5-3 dB**

## Conclusion

Drives of both elevators became quieter and smoother, current draw dropped

Page: https://industry.xado.com/case/khtsntei_series
PDF report: https://industry.xado.com/pdf/TIER%20B/KhTsNTEI/worm-gearboxes-elevators/IE-B007_XADO_KhTsNTEI_worm-gearboxes-elevators_EN.pdf