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 Products:  Engineering Mechanics and Machine Elements » Dynamics » Kinematics » KI 120
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KI 120: Slotted Link Apparatus

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Slotted Link Apparatus

Product Details

Technical Description 
The demonstration model is used to generate and investigate pure harmonic reciprocating motion. An anodised aluminium disc used as crank is mounted on ball bearings on a white plate. This disc has a pointer so that the input angle can be exactly read on the integrated angle measuring scale. The crank pin can be set at different radii on the disc. The slider crank is attached to the crank pin on one side. On the other side the pin is mounted in straight guide that is fitted with a ruler to allow the output stroke to be read off with precision. The model is equipped with plastic feet and is placed on the laboratory table for the experiment. Two metal handles make the unit easier to carry.

Learning Objectives / Experiments

- Conversion of smooth rotary motion into a purely harmonic
  reciprocating motion
- Influence of crank length and input angle on the output stroke

* Depiction of pure harmonic reciprocating motion


[1] Demonstration and laboratory experiment on harmonic reciprocating motion
[2] Aluminium crank disc, anodised, 3 different crank radii
[3] Anodised slider crank with 3 different output strokes
[4] Integrated angle measuring scale and ruler
[5] lxwxh 380x280x100mm

Technical Data

Crank radius
- 25mm
- 37.5mm
- 50mm
Output stroke
- 50mm
- 75mm
- 100 mm

Dimensions and Weight

l x w x h : 380 x 280 x 100mm
Weight : approx. 3 kg
Scope of Delivery
1 kinematic model, complete
1 instruction manual

Order Details
041.12000  KI 120  Slotted Link Apparatus

Alternative products
GL 110 -- Cam Mechanism
KI 110 -- Crank and Connecting Rod Apparatus
KI 130 -- Four Bar Chain
KI 140 -- Whitworth Quick Return Apparatus

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
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