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 Products:  Engineering Mechanics and Machine Elements » Dynamics » Kinematics » KI 110
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G.U.N.T Hamburg
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KI 110: Crank and Connecting Rod Apparatus

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Crank and Connecting Rod Apparatus

Product Details

Technical Description 
This benchtop unit demonstrates the conversion of smooth rotary motion into reciprocating motion. The input angle is set on a ball bearing mounted crank disc made of anodised aluminium and read off on an angle measuring scale integrated into the base plate. A millimetre scale is fitted for the outlet stroke. Crank radius and connecting rod length can both be adjusted, each have three positions. The simple insertion of a bolt enables the swivelling cylinder to be locked, thus a crank drive with either a fixed or oscillating cylinder can be demonstrated. The components are attached to a solid, painted base plate. Two metal handles make the unit easier to carry.

Learning Objectives / Experiments

- Crank drive with fixed cylinder
- Crank drive with swivelling cylinder

* Crank drive can be demonstrated either with a fixed
  or oscillating cylinder


[1] Benchttop experiment on crank drives, with either fixed or swivelling cylinder
[2] Ball bearing mounted crank disc, anodised aluminium, 3 different crank radii
[3] Connecting rod black anodised aluminium with 3 different lengths
[4] Painted base plate with metal carrying handles
[5] lxwxh 380x280x60mm
Technical Data

Crank radius
- 25mm
- 37.5mm
- 50mm
Connecting rod length
- 120mm
- 140mm
- 160mm
Dimensions and Weight

l x w x h : 380 x 280 x 60 mm
Weight : approx. 3 kg
Scope of Delivery
1 demonstration model, complete
1 instruction manual

Order Details
041.11000  KI 110  Crank and Connecting Rod

Alternative products

GL 110 -- Cam Mechanism
KI 120 -- Slotted Link Apparatus
KI 130 -- Four Bar Chain
KI 140 -- Whitworth Quick Return Apparatus
PT 500.16 -- Crank Mechanism Kit

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