drygear® strain wave gear RL-S-17

Light and efficient: drygear® strain wave gear RL-S-17

The drygear® strain wave gear is attractive because of its especially compact design. The use of lubrication-free, high-performance polymers makes gear assembly very easy. In addition, the optimised use of tribo-polymers has improved smooth running, backlash and service life. Along the last axis of an articulated arm, linear robot or delta robot, the strain wave gear can be used before different gripper systems. Here, it performs the task of gripping objects that are not rotationally symmetrical and positioning them exactly.

for a direct connection of NEMA17 stepper motors
cost-effective automation solution
adapter disc for flange-mounting of grippers available
low maintenance due to lubrication-free, high-performance polymers
can be ordered as a bundle via the robotics platform RBTX.de

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Tech up

Very light due to igus high-performance polymers
Extremely compact for integration into robotics
All-round improved performance and running performance
A direct output shaft enables the connection of various couplings such as shaft couplings, elastomer couplings, metal ball couplings

Cost down

Cost-effective due to use of polymer
Quick and easy adaption as axis 5 in robolink DP
Compatibility with the gripper systems of other robot manufacturers
Adapter disc prepared for, amongst others, grippers and vision

Proof

50% higher efficiency
94% higher load-bearing capacity
Torque fluctuations reduced by factor 3
Reduction of the breakaway torque by factor 2

Go to robolink® test laboratory

Sustainability

Extremely low mass inertia as axis 5 in robotics
Completely lubrication-free operation

drygear® - tested and proven

New: Simple connection of couplings with an output shaft

RL-S-17-28-AA-02

The strain wave gear with a direct output shaft allows connection of various couplings, including shaft couplings, such as elastomer couplings and metal bellows couplings

Optional couplings: all drylin E couplings for Ø8 shafts
Available transmission: 28:1
Standard motor option: stepper motor, DC motor, BLDC motor
INI kit for zero position optionally adaptable

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For this purpose we have developed the strain wave gear RL-S-17

The strain wave gear implements movements such as those on the fifth robot axis, and many other durable and cost-effective automation applications. Due to their components, the igus strain wave gears are characterised by freedom from lubrication as well as friction and wear resistance. At the same time, the use of polymers enables an extremely compact design and cost-effective manufacture.

After active research and strain wave gear refinement, operating smoothness, backlash, and service life have been improved with technical design optimisation and material selection. The new strain wave gear can also be adapted to a stepper motor or other motor types. It is based on the NEMA17 installation size and was developed in such a way that a high ratio of 28:1 can be shown. This has been tested in our own test laboratory at a service life of 1 million cycles, a load of 1.5Nm and a speed of 6rpm. These development steps are already planned for the NEMA23 installation size.

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