Kinematics of Machines Laboratory Equipment

Computerized Cam Analysis



The “LabTek” experimental Computerized Cam Analysis unit allows the dynamic investigation of a cam mechanism at various speeds. Four typical cams with corresponding engaging members are compared in terms of their motion behavior. The valve is simulated with a mass and a spring.

A recorder synchronized with the cam member records the actual elevation curve of the cam mechanism. A speed-controlled drive motor with a large flywheel generates a speed as constant as possible. The open design means that the motion is clearly visible in every detail.

A transparent protective cover ensures safe operation. The experimental unit is intended for demonstration in engineering education. It is not suitable to be used as a test bench in the field of endurance testing/tribology.

Computerized Cam Analysis Apparatus


  • Record elevation curves of cam mechanisms
  • Four different cam members, two different engaging members
  • Influence of spring stiffness and mass on the dynamic behavior
  • Determine the limit speed and compare with theory
  • Influence of moving mass on the motion of cam member/plunger
  • Influence of return-spring stiffness and preload on the motion of cam member/plunger
  • Comparison of the elevation curves of different cam-member shapes
  • Comparison of elevation curves with theory



  • Cam-shaped cam members: tangent cam, hollow cam, 2 circular arm cams with different head radius
  • 2 different engaging members: flat receiver with plunger or rolling receiver with plunger
  • 3 interchangeable return springs and spring preload Oscillating mass can be increased with 5 additional weights
  • Optical speed sensor
  • Transparent protective cover for safe operation
  • Drive motor 

DC asynchronous motor with frequency converter

Power: 250W

Speed: 60…670min-1

  • Cam-shaped cam member

Stroke, each: 15mm

Opening angle, each: 140°

  • Spring stiffness 

Hard: 5,026N/m

Medium: 2,601N/m

Soft: 613N/m

  • Masses 

Additional masses supplied with different weights

  • Recorder: toothed belt drive
  • Power required for operation

230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase



  • L x W x H (approx.): 800 x 600 x 500 mm
  • Weight: 85kg

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