Oldham Coupling
Product Code : EL-AMLE-10632
Quick Answer: An Oldham coupling is a compact mechanical coupler used to transfer torque between two parallel but not collinear (displaced) shafts, demonstrating the relative angular motion in degrees between them. It consists of three discs, one coupled to the input shaft, one coupled to the output shaft, and a middle disc joined to both by tongue-and-groove connections set perpendicular to each other, with springs often added to reduce backlash. Compared with an equivalent arrangement of two universal joints, the coupler is much more compact, and this hand-operated, base-mounted model (300 x 300 x 200 mm, 5 kg) is built for functional accuracy, sturdiness and corrosion resistance.
The Oldham coupling mechanism demonstrates relative angular motion in degrees between two shafts with parallel but displaced axes. An Oldham coupler is a method to transfer torque between two parallel but not collinear shafts using three discs: one coupled to the input, one coupled to the output, and a middle disc that is joined to the first two by tongue and groove, with the tongue and groove on one side perpendicular to the tongue and groove on the other. Springs are often used to reduce backlash of the mechanism, and the coupler is much more compact than, for example, two universal joints.
FEATURES:
Equipment Layout: On Base
Fine finish
Simple operations
Operated: Manually (Through a Crank Handle)
Functional accuracy
The properly constructed model is hand-operated.
Sturdiness
Corrosion-resistance
Enhanced durability
DIMENSIONS AND WEIGHT:
L x W x H (approx.): 300 x 300 x 200 mm
Weight: 5kg
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Last Updated: September 2026
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