Novel design provides cheaper planetary gearheads
A
Danaher Motion product story
Edited by the Engineeringtalk editorial team
Mar 5, 2002
Thomson Micron has developed a line of low-cost planetary gearheads that it claims perform equal to - or better than - current market models.
Thomson Micron has developed a line of low-cost planetary gearheads that it claims perform equal to - or better than - current market models.
When compared with fixed planet configurations, the gearheads provide up to an 11% efficiency increase and a 20% reduction in torque ripple, run quieter and last longer.
They also offer higher torque-to-envelope ratios than parallel-shaft spur gearhead designs.
The new gearhead concept, which is called the EQ, uses a gearing system in which planet gears dynamically adjust their radial position between the mating sun gear and internal gears through a pivoting link.
The loads are evenly distributed through all three planet gears, which mesh smoothly to deliver reduced noise, vibration, and cyclic loading of the gear teeth.
The EQ is offered in four frame sizes (40, 60, 90 and 115mm) with three front face mounting options (Nema, metric, and C-Face).
The front face options provide easy drop-in replacement for parallel-shaft spur gearheads and other similar reducers.
The gearbox mounts in less than 5min using the company's RediMount motor mounting system.
Pricing is approximately 25% than comparable fixed planet models and parallel-shaft spur designs.
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