DESCRIPTION

A vertical pillar contains the main spindle for each cam to be rotated, whilst a dial gauge has its anvil resting on the top edge of the cam.

Each cam is mounted on a central shaft and is free to rotate about this shaft. The cams are rotated by hand. The rise and fall displacement of the cam, as it rotates through 360°, is measured using the dial gauge.

The angular position of the cam is shown on a protractor and a pointer. Cams and followers are easily changed and graphs for the variety of cams can be created to compare the linear change with the rise and fall of the follower. A set of cams are supplied as standard along with a set of followers which run on the perimeter of each cam. Each cam can be easily changed and the angular and dial gauge readings are clear.

EXPERIMENTAL CONTENT

• To determine a graph of follower displacement against angular rotation of the cam
• To assess the effect of different cams and followers
• To derive the velocity and acceleration diagrams, and determine the maximum acceleration of the follower
• To compare experimental and calculated results

TECHNICAL SPECIFICATIONS

• Simple harmonic motion cam: Rise/Fall 24mm
• Tangent cam: Large radius 32mm; small radius 15mm
• Eccentric cam: 10mm eccentricity
• Roller follower: Ø19mm
• Dial gauge: 25mm range, 0.01mm resolution
• Angular protractor scale with 360° range and 1° resolution

FEATURES & BENEFITS

• Self-contained bench top unit
• Set of five cams supplied
• Set of two followers supplied
• Angular and linear displacement recorded
• Derive velocity and acceleration diagrams

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