“Jam proof” Amacoil RS drive nut

Tuesday July 28, 2015
Jul. 28, 2015 - The Amacoil-Uhing model RS drive nut promises smooth backlash-free linear motion in machine design. “Unlike a screw, the RS drive nut runs on a smooth shaft without threads,” says company representatives, adding that this eliminates the potential for clogged threads and jamming. The RS linear drive operates on the rolling ring linear motion principle. The inner race of each rolling ring bearing inside the nut is specially machined, while each bearing is installed under pressure and contacts the shaft at a single point. The nuts can be used in material handling machines, winding equipment, test and measurement devices, parts transfer systems, packaging machines and other production, converting and finishing equipment, according to Amacoil. Available in ten sizes to help meet varying payload and linear speed requirements, the RS drive nut is suitable for vertical or horizontal travel. Each of the ten sizes is available in five different linear pitch settings. Shaft rotational speeds may be up to 10,000 rpm depending on the size of the drive.

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