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Rimtec couplings' unique taper lock design is ideal for precision,
high-performance applications


Rimtec Corporation introduces a series of zero-backlash bellows and torque-limiting safety couplings designed specifically to meet the demands of today's highly dynamic digital servo drives, spindles and tools operating at speeds up to 10,000 rpm. Designed with an outside conical hub, the high-performance couplings are ideal for precision machine tool applications.

Taper Lock CouplingsThe couplings provide servo-quality stiffness and low inertia for high-production transfer lines; the ballscrew slides and gearboxes of robots; CNC machine tools; packaging, textile and printing machines; and other manufacturing applications with high rotational speeds and high-torque operations.

The unique outside taper lock is self-aligning, which enables the couplings to be assembled without the concern for misalignment that is common with inside tapers. The outside conical hubs automatically quick-release when disassembling, resulting in highly accurate manufacturing tolerances, improved bearing wear, and dramatically less machine downtime. Release set screws are also available for the demands of the highest-torque applications.

The lightweight, torsionally rigid stainless steel line of AK/SB metal bellows couplings accurately compensate for heat, pressure and elastic deformation that commonly cause axial, radial and angular misalignment. The line transmits torque from 160 in-lbs (18 Nm) to 44,400 in-lbs (5,000 Nm) on shaft sizes from 3/8" (9 mm) to 3.35" (85 mm).

DMK/SB safety couplings are similar to the AK/SB line, except the inside conical hub and rear flange are one part ... thus reducing the possibility for misalignment. These couplings are ideal for high-speed tooling, as the flange on which the gear is mounted can meet run-out tolerances of up to 0.0008" (0.02 mm). The line transmits torque from 90 in-lbs (10 Nm) to 14,400 in-lbs (1600 Nm) on shaft sizes from 1/2" (12 mm) to 3.5" (90 mm).


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