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High-accuracy material winding

The winding of vascular grafting material must be highly controlled to ensure the material’s correct functioning after surgery. A combination of a HepcoMotion driven linear system (DLS), a GV3 slide, and an MCS aluminum frame from Bishop-Wisecarver Corp, Pittsburgh, provide the necessary smooth motion for consistent stretching and winding. The DLS belt-driven actuator guides the tape carrier. The 1.5-m long actuator is synchronized with the speed of the rotating mandrel, so the tape can be accurately wound around it. Duty cycle is slow, so stepper motors drive both carriage (linear) and mandrel (rotational) motion. The MCS frame provides ease of assembly.

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© 2012 Penton Media Inc.


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