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PRODUCT
TM 123 Spur Gear Lifting Apparatus
Education / GUNT Hamburg / Engineering Mechanics and Machine Elements / Dynamics /
description

The mechanism demonstrates the relationship between the ratio of the number of teeth on spur gears and the transmission ratio of gears. With straightforward experiments, the torque conversion in gear wheel pairs and the efficiency of a gear unit are investigated.
  The model is intended for wall mounting. The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

 
Learning Objectives / Experiments

Learning the key variables and correlations of a spur gear
- Velocity ratios of spur gears
- Gear with intermediate wheel or two-stage gearing
- Influence of friction on transmission
- Determining efficiency

Specification
[1] Demonstration and student experimental unit on set-up and principle of toothed gearing mechanisms
[2] 4 galvanised steel gear wheels
[3] 2 anodised aluminium cable pulleys
[4] 2 sets of weights 
[5] Ball bearing-mounted gear wheels and pulleys
[6] Anodised aluminium base plate 
 
Technical Data

4 gear wheels
- 2x D=126mm, 84 teeth 
- 2x D=42mm, 28 teeth  
- modulus: m=2mm

Driving pulley radius: 35mm
 

Set of weights
- 2x 1N suspended
- 2x 0,25N
- 1x 0,5N
- 2x 1N
- 2x 2N
- 2x 2,5N
 

Base plate

- lxwxh: 350x150x10mm 
 

Dimensions and Weight

l x w x h: 350x70x150mm
Weight: approx. 5kg

Scope of Delivery
1 gear unit, mounted on base plate
2 sets of weights
1 set of instructional material
Order Details
040.12300  TM 123  Spur Gear Lifting Apparatus