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Products  |  Engineering Mechanics and Machine Elements  |  Statics  |  TM 115
TM 115 Forces in a Crane Jib Show data sheet (pdf file) Print page
Technical Description

TM 115 represents a planar central force system in which multiple forces act on a single point of application. Based on the example of a crane jib, forces are determined graphically and experimentally: resultant cable force, tensile force, compressive force. The directions and magnitudes of the forces are determined graphically by way of a force parallelogram.
  A bar of adjustable length and a chain make up the crane jib, which is attached by adjustable clamp elements to a retaining bar. A variety of jib forms can be created. Loads are applied to the crane jib. The occurring bar forces are indicated by integrated spring balances.


Learning Objectives / Experiments
- Graphical breakdown of forces by force parallelogram
- Determination of the bar forces on various jib forms
- Comparison of: measurement result - calculation - graphical method

* Vectoral handling of forces in a planar central force


Available accessories
WP 300.09 -- Laboratory Trolley
Alternative products
FL 111 -- Forces in a Simple Bar Structure
TM 110 -- Fundamentals of Statics

[1] Tensile and compressive forces in a planar central force system based on the example of a crane jib
[2] Various jib forms possible
[3] Integrated spring balances in the bars
[4] Max. load on crane jib 50N
[5] Loading with weights set, up to 50N
[6] Steel weights, surfaces galvanised
[7] Stainless steel retaining bar
[8] Sturdy metal frame
[9] Handles to aid transportation
[10] Box to house the components


Technical Data
Spring balance for tensile forces
- tensile force: 0...50N, graduations 0.5N
Spring balance for compressive forces
- pressure force: 0...50N, graduations 1N
Weight set
- 1x 1N (hanger)
- 4x 1N
- 1x 5N
- 4x 10N
Dimensions and Weight
l x w x h: 600 x 200 x 670 mm
Weight: approx. 15 kg
Scope of Delivery
1 experimental unit
2 spring balances
1 set of weights
1 box with foam inlay
1 set of instructional material
Order Details
040.11500  TM 115  Forces in a Crane Jib
© 2005 G.U.N.T. Gerätebau GmbH