Threadless ball screw bench test for position deviation.

Threadless ball screw bench test for position deviation.

thingiverse

To test a threadless ball screw system's position deviation, a test bench was created for 6.2T MDF laser cutting. A video demonstrating the testing is available on YouTube, starting at 5:47. The carriage showed significant deviation with high speed. As per the Roh’lix linear actuator specifications, friction-driven devices may have up to 0.002 inches of accumulated error per shaft revolution; thus, a position sensor is crucial for 3D printers using threadless ball screw systems. The test bench uses .dxf files for laser cutting and consists of LM8UU linear bearings, 350 mm smooth rods, M3 bolts, nuts, and ball bearing nuts. Please consider these details to save time.

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