Torsion Testing Machine (30 Nm)
Model Number: SM1001
A compact bench-mounted machine for safe, accurate student torsion testing on different materials.
Overview
The Torsion Testing Machine is a compact machine, ideal for classroom demonstrations and for safe use by small groups of students. Its frame is a rigid, precision-engineered alloy box-section, supported at each end by adjustable feet.
It carries two main parts: a ‘strain head’ at one end and a torque reaction and measurement system at the other. The specimens fit between the strain head and the torque reaction and measurement system.
The strain head is a 60:1 worm drive reduction gearbox, mounted on a platform. The platform can be moved and locked to any point along the frame. To apply torque, students turn a handle at the input of the gearbox.
Features
- Compact bench-mounted machine for classroom demonstrations and small-group student use
- Rigid, precision-engineered alloy box-section frame with adjustable feet
- 60:1 worm drive reduction gearbox on a movable, lockable platform
- Sliding output shaft keyway accommodates specimen length change and simplifies specimen insertion
- Accurate encoder with digital display measures strain (angular movement)
- Strain-gauged load cell with digital display measures torque reaction
- Encoder and load cell displays can connect to VDAS®
- Hexagonal drive sockets hold test specimens, with two socket sizes supplied
- Clear guard protects users during destructive tests on standard-size specimens
- Optional torsiometer improves strain measurement accuracy for modulus of rigidity testing
Specifications
- Maximum torque: 30 Nm
- Mounting: Bench mounted
- Frame: Rigid, precision-engineered alloy box-section
- Support: Adjustable feet at each end
- Main assemblies: Strain head and torque reaction/measurement system
- Strain head: 60:1 worm drive reduction gearbox
- Platform: Movable and lockable along the frame
- Strain measurement: Encoder with digital display
- Torque measurement: Strain-gauged load cell with digital display
- Data acquisition compatibility: VDAS® connection for encoder, load cell display, and optional torsiometer
- Specimen mounting: Hexagonal drive sockets
- Drive socket sizes supplied: 2
- Safety feature: Clear guard for destructive tests on standard-size specimens
Learning Outcomes
- Determine modulus of rigidity (shear modulus) and yield strength when used with the optional torsiometer
- Determine upper and lower yield stresses for normalised steel specimens
- Perform reversed torsion tests to demonstrate the Bauschinger effect and the effects of residual body and textural stresses on torsional strength
- Compare the different elastic and plastic properties of materials when used with optional specimens
Items Included
- Two sizes of hexagonal drive sockets
- Clear safety guard
- 10 x TR1010 0.1% Carbon Steel 2030M07 (as drawn)
- 5 x TR1020 0.4% Carbon Steel 212A42 (normalised at 900°C)
- 5 x TR1040 Half-hard Brass CZ121