Rigid couplings offer high torque capacity with zero backlash. Two-piece couplings, available with or without keyways and with different-diameter bores in both metric and inch sizes, have opposing hardware that improves dynamic balance.
Full-depth keyways provide full torque capacity and a reliable fit, while forged sockets increase torquability. To compensate for shafts that vary slightly from nominal size, a crosscut design allows for clamping each shaft individually.
Bill Hewitson, Ruland Mfg. Co., (P), 380 Pleasant St., Watertown, MA 02172; (617) 924-8000.
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