GL 112 Investigation Of Cam Mechanisms Didactic Equipment Vocational Training Equipment Mechanical Training Equipment
Comparison of different cam members; recording elevation curves Features - record elevation curves of cam mechanisms - four different cam members, two different engaging members - influence of spring stiffness and mass on the dynamic behaviour Learning objectives/experiments - elevation curves in non-matching engaging member - elevation curve in sprung-engaging member - 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 Specification [1] investigation of cam mechanisms [2] cam-shaped cam members: tangent cam, hollow cam, 2 circular arm cams with different head radius [3] 2 different engaging members: flat receiver with plunger or rolling receiver with plunger [4] 3 interchangeable return springs and spring preload [5] drive motor with variable speed [6] oscillating mass can be increased with 5 additional weights [7] mechanical drum recorder with nib and coated paper [8] optical speed sensor [9] transparent protective cover for safe operation Technical data 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: 5026N/m - medium: 2601N/m - soft: 613N/m Masses - additional weight: 200g - plunger: 530g - flat receiver: 93g - rolling receiver: 20g Recorder: toothed belt drive 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 800x440x440mm (experimental unit) Weight: approx. 40kg LxWxH: 360x320x160mm (display and control unit) Weight: approx. 5kg
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