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TM 124: Worm and Wheel Apparatus

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Worm and Wheel Apparatus

Product Details


Technical Description 
 
TM 124 permits investigations of the torques and the efficiency of the gear unit. The transmission ratio of the gear can be determined. Students learn the basic terminology of gearing in a simple manner: numbers of teeth; modulus; reference circle and axle base.
The worm gear wheel and worm are ball bearing-mounted. The forces are generated by the sets of weights and can be quickly and easily varied.
The model is intended for wall mounting. The well-structured instructional material outlines the technological fundamentals and provides a step-by-step guide through the experiments.

Learning Objectives / Experiments

Learning the key variables and correlations of a worm gear:
- Investigating: transmission ratio, torque, friction and self-locking
- Determining efficiency
 
Features

* Mode of operation and layout of a worm gear

Specification

[1] Demonstration and student experimentation unit on the mode of operation and function of a worm gear
[2] Bronze worm gear wheel
[3] Steel worm
[4] 2 Aluminium side drums
[5] 2 sets of weights
[6] Worm, worm gear wheel and pulleys ball bearing-mounted
[7] Anodised aluminium base plate
 
Technical Data

Side drum diameter
- on worm shaft: d=40mm
- on worm gear wheel shaft: d=120mm
 
Worm drive
- axle base: 80mm
- transmission ratio: 30:1
- modulus: m=4mm
- number of gears: 1
- power transmission: 10

Weights on worm side
- 1x 50N
- 1x 20N
- 2x 10N
- 1x 10N (suspended with balance mass)
 
Weights on worm gear wheel
- 1x 5N
- 4x 2N
- 1x 1N
- 1x 0.5N
- 1x 0.5N (suspended)

Base plate
- lxwxh: 250x200x12mm
 
Dimensions and Weight

l x w x h : 250 x 150 x 200 mm
Weight : approx. 22 kg
 
Scope of Delivery

1 gear unit, mounted on base plate
2 sets of weights
1 set of instructional material
 
Order Details

040.12400  TM 124  Worm and Wheel Apparatus


SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
E-Mail:
info@selkagmbh.com   |  Internet: http://www.selkagmbh.com

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