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Technical Description
TM 125 allows to study a winch concerning its lifting velocity and its load transmission. Additionally, the functioning of a back-run safety device is demonstrated. Load transmission and efficiency can be determined by force equilibrium. Both rope drums are ball-bearing mounted. The forces are generated by sets of weights and can be quickly and easily varied.
The model is intended for wall mounting.
Learning Objectives / Experiments
- Determination of
* transmission ratio
* unwinding speed
* angular speed
* efficiency
- Behaviour under load
Specification
[1] Study of a winch
[2] Drum and driving wheel made of aluminium, gear wheels made of POM
[3] 2 sets of weights
[4] Safety catch prevents reversal of direction of rotation
[5] Anodised aluminium base plate
Technical Data
Drum diameters
- driving: 220mm
- driven: 110mm
Gear wheels
- small: 12 teeth
- large: 60 teeth
- module: 2mm each\
Total transmission ratio: 10
Sets of weights
- drum: 1x50N, 2x20N, 1x10N
- driving wheel: 1x5N, 4x2N, 1x1N, 1x0,5N, 1x0,5N (guide rod)
Dimensions and Weight
l x w x h: 265 x 200 x 250 mm
Weight: ca. 22 kg
Scope of Delivery
1 winch, complete, mounted on base plate
2 sets of weights
1 manual