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  Engineering Mechanics and machi

  Bifilar Trifilar Suspension Apparatus

  The model permits oscillations on pendulums with bifilar or trifilar suspension to be investigated. For this purpose a bar, a cylinder, or a hollow cylinder made of galvanised steel can be hung from a wall mounted carrier plate made of aluminium and placed in oscillation. The bodies used in the experiments have strong steel hooks for attachment to the suspension cords. The length of the cords can be rapidly changed and securely fixed using clamping wheels. The beam can oscillate, by translation, in the plane of suspension like an ideal mathematical pendulum. The cylinder and the circular ring work as rotary pendulums.

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  Engineering Mechanics and machi

  Hydraulic Universal Material Tester

  Due to the clear, straightforward layout of this materials tester, tests can be observed in detail during all phases; this is rarely possible on industrial testers. Nevertheless, the capacity of the tester is sufficient to carry out tests of an industrial nature. Simple operation and robust construction make the tester particularly suitable for student experiments. The tester is a vertical, hydraulically operated pillar tester with direct generation of both tensile and compressive forces. The height of the lower cross-member can be adjusted in steps for coarse adjustment. Cylindrical receptacles on the cross-members make the different experimental set-ups easy to change, e.g. wedge clamps. Force and displacement are measured electronically, and displayed digitally. For experiments specimen according DIN 50125 can be used.

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  Engineering Mechanics and machi

  Structures Table with Standard Roof Truss

  This training unit is used to investigate loaded plane trusses and enables the member forces to be measured. A pre-assembled main truss is included. The trusses are assembled using joint discs to avoid bending loading. Seven of the members are equipped with full bridge strain gauges for the measurement of force. A strain gauge connecting box is included in which the offset error of the individual strain gauges is already compensated. The measuring amplifier FL 151 is required for measured signal conditioning. The loading device is mounted in bearings such that it can rotate, as a result it is also possible to apply forces at an angle. The unit is designed as an easy to operate table model. Another truss is available as an accessory, a laboratory trolley for storing the individual parts is also available.

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  Engineering Mechanics and machi

  Cam Mechanism

  Cam mechanisms are used in many areas of technology, such as for valve control in combustion engines. The simple experimental set-up permits quick demonstration of the action principle, and can be used to demonstrate the influence of different cam shapes. The cam follower can work either as a roller tappet, cup tappet, or trailing lever. The stroke is measured using a mechanical position measurement gauge. A scaled disk indicates the associated angle of rotation.