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Worm Gears

BALINIT C (WC/C) coating of the steel screws of worm-gear positioning drives significantly reduces bronze wheel counter face wear. The bronze wheel can even be replaced by a steel wheel.

Advantages: reduced friction and danger of galling wear, higher gear precision when bronze wheel is replaced by a steel wheel.

Solution Coating material Coating technology Coating hardness HIT [GPa] Coefficient of friction (dry) vs. steel Max. service temp. [°C] Process temperature [°C]
a-C:H:Me (WC/C) Sputter 8-12 / 12-15 0.1 - 0.2 300 < 250
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