The Lenze GKR bevel geared motors are suited as replacement for worm geared motors offering savings in energy costs. The extra purchase cost is paid back in only a few months of continuous running as the efficiency improves from 50-70% up to 96%. These geared motors are available for motor powers from 60W to 7.5kW with output torques up to 450Nm and ratios up to i = 76. The actually contains two gear stages. The first stage is a helical with a small ratio. Then contained within the cast housing is a bevel output gear stage with case hardened steel teeth. Modular options to aid mounting include male or hollow shafts, foot mounting, single or double flanges. Although the reduction in energy cost for a single geared motor may be relatively small, where there are multiple drives running continuously the savings can be substantial compared to worm geared motors. The GKR geared motors are readily available in 4 sizes with up to 25 closely stepped ratios per size. Motor options include blowers, encoders, brakes and integrated frequency inverters.
Bevel geared motors
