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Edward Lowton
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Direct drive robotic arms
16 December 2014
Expanding its range of cost-effective modular robolink systems, igus has introduced the robolink D direct drive articulated arm – a version it says is tougher and more durable compared with remote drive solutions – supporting lean automation.

Typical robotic applications are repetitive tasks, such as on assembly lines and pick-and-place equipment. To support this, the new robolink® D system is completely modular due to the direct drive situated within each joint, which helps achieve significant cost savings.
The new robolink is driven by a worm gear drive and a NEMA 17 or 23 stepper motor directly in the joint; these can be easily controlled using any commercially available control module. Based on self-lubricating iglidur PRT slewing ring bearings, robolink D system is available in three sizes, which can be combined to create articulated arms from one to six Degrees Of Freedom.
The sea-water resistant, maintenance and corrosion-free bearings of the robolink D makes it equally well-suited to a variety of other applications, ranging from underwater vehicle operations to humanoid robots for explosive equipment handling.
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