OverviewSTEP Lab torsional testing systems provide compact, high-performance solutions for static and fatigue torsion tests. Precision control electronics and a modular transducer range deliver accurate data for components such as wires, fasteners, switches and springs.
Summary- Series: TM Series (torsional testing machines)
- Dynamic torque range: 40–700 Nm
- Type of test: Torsion (static and fatigue)
Applications- Plastics testing
- Metal components
- Automotive parts
- Biomedical implants and components
Main features- Dual linear guide design for high torsional rigidity and low axial friction
- Direct drive from brushless motor with no intermediary transmission → TRUE ZERO BACKLASH
- Adjustable reaction support locking system: floating or fixed operation
- Available torque transducers covering 0.2–1000 Nm for high accuracy across a wide range
- Test Centre software with torsion testing functions for automated protocols and data acquisition
- Torsion cell protection tool to prevent damage to low-capacity torsion cells during setup
- Optional preload system with pneumatic actuation and manual preload adjustment
- Possible integration of an additional axial load cell to obtain true preload on the specimen
Additional attributes- Low maintenance design
- High reliability for continuous lab use
- High efficiency and performance
- Simple, quick installation
- Wide industry coverage (biomedical, automotive, aerospace, plastics, metals, fasteners)
Technical table — MetricTM SERIES | TM040 | TM200 | TM360 | TM540 | TM700
Continuous torque | 30 Nm | 150 Nm | 270 Nm | 400 Nm | 520 Nm
Dynamic torque | 40 Nm | 200 Nm | 360 Nm | 540 Nm | 700 Nm
Max test speed | 2000 rpm | 1000 rpm | 1000 rpm | 1000 rpm | 1000 rpm
Diameter of specimen | 180 mm | 200 mm | 200 mm | 200 mm | 200 mm
Resolution | 0.00069 deg | 0.00069 deg | 0.00069 deg | 0.00069 deg | 0.00069 deg
Technical table — ImperialTM SERIES | TM040 | TM200 | TM360 | TM540 | TM700
Continuous torque | 265.50 lbf·in | 1327.50 lbf·in | 2389.50 lbf·in | 3540.00 lbf·in | 4602.00 lbf·in
Dynamic torque | 354.00 lbf·in | 1770.00 lbf·in | 3186.00 lbf·in | 4779.00 lbf·in | 6195.00 lbf·in
Max test speed | 2000 rpm | 1000 rpm | 1000 rpm | 1000 rpm | 1000 rpm
Diameter of specimen | 7.09 in | 7.87 in | 7.87 in | 7.87 in | 7.87 in
Resolution | 0.00069 deg | 0.00069 deg | 0.00069 deg | 0.00069 deg | 0.00069 deg
Certified standards / Example test standards (selected)Provided standards and methods include applicable ASTM, ISO and EN norms for torsion, fatigue, tensile and bending tests relevant to plastics, metals, biomedical implants and bicycle components.
Technical specifications- Series: TM Series
- Dynamic torque range (series): 40–700 Nm
- Continuous torque examples: TM040 30 Nm; TM200 150 Nm; TM360 270 Nm; TM540 400 Nm; TM700 520 Nm
- Max test speed: up to 2000 rpm (TM040) / 1000 rpm (other models)
- Specimen diameter capacity: up to 200 mm (model dependent)
- Resolution: 0.00069 deg (all listed models)
- Torque transducer availability: 0.2–1000 Nm
- Protection features: torsion cell protection tool; optional pneumatic preload and axial load cell integration
- Control & software: STEP Lab control electronics and Test Centre software with torsion functions