Forces in a Simple Bar Structure Model MT 017
Forces in a Simple Bar Structure Model MT 017
Sci-tech Forces in a simple Bar Structure Model MT 017 represents a simple bar structure. In the single plane system, the bars are only subjected to compression and tension. Loads are applied only to the nodes.
The unit comprises three members that are joined together using discs such that the joints are free to move. A longitudinally adjustable bar permits the bar structure to be constructed with different angles. The bars engage in the discs by snap-locks. Two of the node discs also form the supports (fixed and free) and are clamped to the sturdy aluminum section base frame. The external load is applied to the upper nodal point by means of weights.
The bar forces occurring are measured by the deformation of leaf spring elements in the middle of the bar. The method of joints enables the bar forces to be determined by formulating a system of equations.
| Size: | 80cm x 30cm x 90cm (LxWxH) |
| Weight: | 15 kg |
Item Description
Features
* Resolution of forces in simple bar structures
Sci-tech Forces in a simple Bar Structure Model MT 017 represents a simple bar structure. In the single plane system, the bars are only subjected to compression and tension. Loads are applied only to the nodes.
The unit comprises three members that are joined together using discs such that the joints are free to move. A longitudinally adjustable bar permits the bar structure to be constructed with different angles. The bars engage in the discs by snap-locks. Two of the node discs also form the supports (fixed and free) and are clamped to the sturdy aluminum section base frame. The external load is applied to the upper nodal point by means of weights.
The bar forces occurring are measured by the deformation of leaf spring elements in the middle of the bar. The method of joints enables the bar forces to be determined by formulating a system of equations.
Technical Specifications
Specifications
[1] Resolution of forces in a single plane, statically determinate system
[2] 3 node discs, 2 of which serving as supports
[3] 3 bars, each fitted with a leaf spring element and dial gauge
[4] 2 fixed bar lengths, 1 variable bar length
[5] 5 different angles adjustable between bars
[6] Storage system to house the components
Technical Specifications
Bars
– fixed bar: l=440mm
– adjustable bar: l=440, 622, 762mm
Angle between bars
– 60° – 60° – 60° / 45° – 90° – 45°
– 30° – 120° – 30° / 30° – 30° – 120°
Dial gauge
– measuring range: 0…10mm, graduations: 0,01mm
Weight set: 1x 1N (hanger), 1x 10N, 2x 20N
Leaf spring element: force measuring range 0…50N
Experiments
- Measurement of bar forces
- Calculation of bar forces by the method of joints
- Comparison: measurement result – calculation – graphical method
Scope of Delivery
1 frame,
3 bars,
3 node discs,
3 dial gauges,
1 set of weights,
1 storage system with foam inlay,
1 set of instructional material
Model Number
MT 017
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