MS713 · Couplings Experiment

Couplings experiment — vibration behaviour of curved-teeth, pin, flange and claw couplings

Experiments

Comparison of four coupling types — curved-teeth, pin, flange and claw
Effect of alignment errors: pin and claw couplings with radial offset
Production-fault signatures: flange coupling with radial run-out, axial run-out, and pin coupling with pitch fault
Identification of coupling faults from the vibration signal
Influence of gear-rim hardness on a claw coupling (three stars — 64, 92 and 98 Shore)
Load dependency of coupling running behaviour (with MS705)
Interpretation of frequency spectra and use of the Sangari vibration analysis software
Works together with the MS700 base unit

Description

Couplings transmit torque between machine elements and, when misaligned or manufactured with defects, become a primary source of machine vibration. The MS713 experiment collects four coupling types and a set of purpose-built faulty specimens so that the characteristic spectrum of each defect — and the comparative behaviour of each coupling design — can be observed directly.

Specifications

Curved-teeth coupling included (fault-free)

Flange couplings fault-free; radial run-out 0.2 mm (centre offset); axial run-out 0.4 ± 0.1 mm

Pin coupling centric + eccentric pin (1 mm); adjustable pitch fault up to ±1.909°

Claw-coupling stars 98 Shore A (red), 92 Shore A (yellow), 64 Shore D (green); 80 Shore A is supplied with MS700

Load optional use with MS705 brake & load unit

Storage 400 × 300 × 170 mm stackable case with foam inlay

Weight approx. 6 kg

Part of package

Machinery Diagnostics Lab

A modular training system for vibration measurement and condition monitoring of rotating machinery. Built around the MS700 base bench, it covers rotor dynamics, coupling and bearing faults, belt drives, gears, cavitation, fan and motor vibration through interchangeable experiments.

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