Slotted Link Mechanism Apparatus
Product Code : EL-AMLE-10637
Quick Answer : This demonstration model generates and investigates pure harmonic reciprocating motion using an anodised aluminium crank disc mounted on ball bearings, with a pointer that reads the input angle on an integrated angle measuring scale, and a slider crank attached to the crank pin that transmits motion to a pin in a straight guide fitted with a ruler to read the output stroke with precision. The crank pin can be set at three different radii (25mm, 37.5mm, 50mm) to produce three different output strokes (50mm, 75mm, 100mm), letting students observe the influence of crank length and input angle on the resulting motion. The model sits on plastic feet on the laboratory table and has two metal handles for easy carrying.
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, with a pointer so that the input angle can be exactly read on the integrated angle measuring scale, and the crank pin can be set at different radii on the disc. The slider crank is attached to the crank pin on one side, while on the other side the pin is mounted in a 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, and two metal handles make the unit easier to carry.
Specification :
Demonstration and laboratory experiment on harmonic reciprocating motion.
Aluminium crank disc, anodised, 3 different crank radii.
Anodised slider crank with 3 different output strokes.
Integrated angle measuring scale and ruler.
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.
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
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Last Updated: September 2026
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