KD714 · Belt Drive Experiment

Belt drive experiment - vibrations, resonance and slip in V-belt transmissions

Experiments

Influence of belt tension on the vibration behaviour of the drive
Influence of speed and load on the vibration spectrum
Effects of pulleys running untrue, off-track running and eccentric pulleys
Power split across a multiple-belt drive with individually adjustable tensioners
Influence of slip on the vibration running spectrum
Comparison between fault-free and damaged V-belts
Application of transverse loads to other KD700-series experiments - e.g. KD711 and KD712
Works together with the KD700 base unit and the KD705 brake & load unit

Description

A well-designed belt drive is silent, efficient and long-lived - provided the belt does not slip or vibrate. The KD714 dual V-belt drive lets students deliberately provoke both. Individually adjustable tensioning rollers, an eccentrically-bored pulley and a deliberately damaged V-belt cover the main fault classes; the experiment can also serve as a transverse-load source for other KD700-series experiments.

Overview

Specifications

Pulleys large Ø 125 mm; small Ø 63 mm; small eccentric Ø 63 mm

Axle centres 300 mm

V-belt SPZ, approx. 10 mm wide, length 912 mm

Included 3 V-belts (incl. damaged), 3 pulleys, tensioning roller set, belt pre-tension gauge 0…150 N

Load pairs with KD705 for controlled braking torque

Compatibility designed for the KD700 base unit

Storage 600 × 400 × 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 KD700 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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