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WP 500 Torsion test 30Nm

FEATURES:

 

  • Generation of torque via a worm gear
  • Torque measurement using strain gauge measuring shaft
  • Incremental encoder for measuring the angle of twist
  • Digital Display for torque and for angle of twist
  • Hex sockets as specimen holders
  • GUNT software for data acquisition and visualisation

DESCRIPTION

Technical Description

Using this experimental unit, metal test bars are twisted to destruction. The test torque and the angle of twist are recorded during this process. Test bars made of different materials with varying lengths are included. The test torque is applied manually using a hand wheel and a worm gear. Measurement is performed with a strain gauge torsion shaft, the deformation of which is compensated. The measurement can be read off directly in Nm on a digital display on the measuring amplifier.

For adaption to different length specimens, the measurement jig can be slid along the stiff frame. The angle of twist is recorded by an incremental encoder and digitally displayed at the measuring amplifier.

Commercially available 1/2" square drive sockets, 17mm across flats, are used as specimen holders.

The measured values can be transmitted via USB directly to a PC where they can be analysed using the software included.


Learning Objectives / Experiments

- torsion tester for metallic test bars, loading to destruction of the specimens
- effect of
  * specimen material
  * specimen cross-section
  * specimen length

FEATURES

Specification
[1] experimental unit for testing metal torsion test bars under load until fracture
[2] test torque manually applied using handwheel and worm gear
[3] definition of input angle via hand wheel
[4] measuring device slidable to fit various specimen lengths
[5] test torque measuring using strain gauge measuring shaft and measuring amplifier
[6] strain gauge measuring shaft with compensation for own deformation
[7] measurement of angle of twist using incremental encoder
[8] electronic measuring amplifier with touch panel to display torque and angle of twist 
[9] specimen holders: 2x 17mm hex socket
[10] GUNT software for data acquisition via USB under Windows Vista or Windows 7


Technical Data

Worm gear
- transmission ratio: 1:63
Short specimens
- length: 75mm
- diameter: 6mm
- 4x steel, 4x aluminium, 4x brass
Long specimens
- length: 2x 175mm, 2x 350mm, 2x 700mm
- diameter: 6mm
- steel

Measuring ranges
- torque: 0...30,0Nm
- angle of twist: 0...+/-3200°, resolution: 0,1°


Dimensions and Weight

LxWxH: 1400x400x360mm (torsion tester)
LxWxH: 230x210x120mm (measuring amplifier)
Weight: approx. 43kg (total)
Required for Operation 230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase


Scope of Delivery

1 torsion tester
1 measuring amplifier
1 set of specimens
1 GUNT software CD + USB cable
1 set of experiment instructions

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