Zero Backlash Jaw Couplings for Machine Vision Systems

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Machine vision systems benefit from the high dampening characteristics of the jaw coupling.

Ruland offers zero backlash jaw couplings for the demanding requirements of start and stop machine vision systems used in industries such as semiconductor, medical, solar, and packaging. The dampening characteristics of Ruland’s jaw couplings reduce settling time and shock loads, making them ideal for these environments.

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Jaw couplings offer a high level of customization to match application requirements.
Why Ruland Shaft Collars?

• Strong dampening capability

• Highly customizable to fit system needs

• Carefully made in our Marlborough, MA USA factory with large stocks for immediate delivery

• All products are RoHS and REACH compliant

• Special designs available upon request

Jaw couplings are a three piece design comprised of two aluminum hubs and an elastic element called the “spider.” Made of an advanced polyurethane material, the spider provides dampening of impulse loads, minimizing shock to the motor and other sensitive equipment. Available in three durometers, the spider allows the user to tailor the jaw coupling’s performance, such as torsional stiffness, misalignment, and dampening requirements, to their application. For added customization metric and inch hubs (set screw, clamp style, keyed, or keyless) are interchangeable and can be combined into a single coupling.

Ruland jaw couplings feature a curved profile hub which press fits onto the spider assuring zero backlash operation. The curved jaw profile concentrates the forces to the center of the spider’s limbs, improving the effectiveness of the elastomer material. Raised contact points on the spider limbs help maintain proper spacing between the two hubs, assuring electrical isolation and full angular misalignment capabilities.

All Ruland products are RoHS and REACH compliant. Zero backlash jaw couplings are part of Ruland’s complete product line which includes shaft collars, rigid couplings, and motion control couplings: beam couplings, bellows couplings, oldham couplings, and disc couplings.

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