Gears for where space is short
A
Harmonic Drive UK product story
Edited by the Engineeringtalk editorial team
Apr 25, 2006
Gear component sets incorporate proven and high efficiency technology, weigh from 0.06kg, have a flat profile and have a reduced axial length of more than 60% compared with existing products.
Harmonic Drive has introduced a range of lightweight, compact gears for applications where operating space or weight are limited, including machine tools, in-flight aircraft systems and specialised automation and manufacturing equipment.
Called the CSD Series, the gear component sets incorporate proven and high efficiency technology, weigh from 0.06kg, have a flat profile and have a reduced axial length of more than 60% compared with existing products.
The gears also provide precise motion control and low levels of start-up and back-driving torque; transmission accuracy is less than 1.0 arc minute, repeatability is within +/-0.1 arc minute and, depending on unit size, start-up torque can be as low as 2.4Ncm, with the maximum momentary torque rating being up to 1560Nm.
The use of the technology eliminates backlash effects, while the overall construction of each gear set allows a central hollow shaft to be incorporated, so cables and pipes can easily be routed to reduce space requirements.
The tooth profiles have an enlarged tooth root radius.
This increases the region of tooth engagement compared with conventional involute gear mechanisms by around 15% to 30%, improving stiffness and torque capacity.
The design and construction mean they are quick and easy to install, as well as being robust, fully protected against corrosion and virtually maintenance-free.
There are seven sizes to meet the needs of most applications and they can be supplied on short delivery times.
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