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When properly designed, manufactured, and correctly set; belt drives are low-maintenance, low-noise, long-life drive units. It is important that the belt should not vibrate and/or slip.
The PT 500.14 accessory setup can be used to investigate conditions that cause vibration or slip. The effect of disparate elongation on multiple belt drives can be demonstrated by means of individually-adjustable tensioning rollers. The belt drive is a dual belt drive with a belt tensioner. It can, however, also be operated with only one belt. An eccentrically-bored small belt pulley and a damaged V-belt enhance the range of possible experiments.
The brake and PT 500.05 load unit is required to conduct the experiment. The accessory set PT 500.14 can also be used to apply transverse loads in other experiments.
The accessory set is mounted on the base plate of the machinery diagnostic base system PT 500.
To measure and evaluate the experiment, the computerised vibration analyser PT 500.04 is required. It includes all the necessary sensors, a measuring amplifier and analysis software to record the vibration phenomena.
Learning Objectives / Experiments
- influence of belt tension on vibration behaviour
- influence of speed on vibration behaviour
- influence of pulleys running untrue, and off-track running
- power split across multiple belt drive
- influence of slip on vibration running spectrum
- comparison between fault-free and damaged belts
- understanding and interpreting frequency spectra
- use of a computerised vibration analyser
 investigation of the vibrations of belt drives
 dual belt drive with V-belt
 belt drive can be operated with one belt
 individually-adjustable tensioning rollers
 belt drive with eccentricity
 damaged V-belt
 belt pre-tension measuring device 0...150N
 suitable for applying transverse loads on other systems within the accessory sets of the PT 500 series
 brake and load unit PT 500.05 required for experiments on the belt drive
 accessory set for PT 500 machinery diagnostic training system
 stackable storage system to house the components
- large: D=125mm
- small: D=63mm
- small, eccentric: D=63mm
Axle centres: 300mm
- SPZ, approx. 10mm wide
- belt length: 912mm
Dimensions and Weight
LxWxH: 600x400x170mm (storage system)
Weight: approx. 6kg
Scope of Delivery
3 belt pulleys
1 tensioning roller set
1 belt pre-tension measuring device
1 storage system with foam inlay