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Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

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Servo couplings for a variety of applications

Servo couplings for a variety of applications Ruland Manufacturing makes a diverse line of servo couplings to provide solutions for applications such as stepper and servo systems, linear actuators, ball screws, lead screws, encoders, and valve actuation. Industries including medical, printing, packaging, machine tools, linear motion, semiconductor, and solar benefit from having a variety of couplings to choose from. Each application has performance requirements that must be met for the system to function properly. Understanding the different characteristics of each coupling is critical when making a selection.

Rigid couplings have high torque capacity, torsional stiffness, and are zero backlash. Ruland straight bore rigid couplings have precision honed bores for proper fit and alignment. Proprietary Nypatch coating is used on hardware to resist vibration and maintain holding power. Two-piece styles feature opposing screws for balancing, reducing vibration at higher speeds. Ruland rigid couplings are available in carbon steel for highest torque capabilities, aluminium for low inertia, and stainless steel for corrosion resistance.

Beam couplings have excellent all around performance characteristics, accommodate all types of misalignment, are balanced, and operate with zero backlash. Four-beam couplings are ideally suited for light duty applications such as encoders or tachometers while six-beam couplings can be used in more heavy duty applications like connecting a lead screw to a servo motor. Ruland beam couplings are available in aluminium for increased flexibility and low inertia or stainless steel for higher torque transmission capabilities and corrosion resistance.

Oldham couplings are a three-piece assembly well suited to handle large amounts of parallel misalignment with light bearing loads. Aluminium hubs are used for low inertia and discs are available in acetal for high torsional stiffness and zero backlash or nylon for shock absorption and noise reduction. Ruland oldham couplings are also balanced and electrically isolating.
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