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Torsion Testing Machine

Digital & Computerized Torsion Testing Machine

Stark Embsys manufactures high-precision Digital & Computerized Torsion Testing Machines designed for evaluating torsional shear stress, angle of twist, modulus of rigidity ($G$), and ultimate torsional strength of metal shafts, drive axles, wires, springs, and fasteners according to ASTM and ISO standards.

Equipped with reaction torque sensors, rotary optical encoders, variable speed geared motor drives, and PC software for real-time Torque vs. Twist Angle graph plotting and automated test report printing.

Torsion Testing Machine Stark Embsys

Key Features

Torque vs. Twist Angle Plotting

Real-time graph display of applied torque against specimen angular twist in degrees.

Bi-Directional Loading

Applies CW and CCW torsional loads for fatigue and reverse twist testing.

Precision Gripping Chucks

3-jaw self-centering chucks or custom keyway adapters for secure specimen clamping.

Technical Specifications

Parameter Specification Detail
Product Model / Category ST-TOR / Digital & Computerized Torsion Series
Torque Capacities 50 Nm, 100 Nm, 500 Nm, 1000 Nm, 2000 Nm, 5000 Nm
Torque Accuracy ±0.5% of indicated torque (Class 0.5 / Class 1)
Twist Angle Resolution 0.1° / 0.01° via High Resolution Rotary Encoder
Torsional Speed Range 0.1 RPM to 20 RPM (Variable speed motor drive)
Distance Between Chucks 300 mm to 1000 mm (Adjustable bed length)
Software Interface Windows PC Software for Modulus of Rigidity ($G$) evaluation
Production Capacity & Delivery 10 Units/Month | 3 to 4 Weeks Delivery Time

Applications

  • Automotive Axles
  • Wire Twist Testing
  • Fastener Torsional Shear
  • Academic R&D
Drive shaft, axle, and steering rod torsion testing.
Determines ultimate torsional fracture torque and yield point of automotive drive components.
Steel wire and rod reverse twist testing.
Measures number of turns to fracture for quality inspection according to IS/ISO standards.
High strength bolt and fastener shear testing.
Evaluates torsional strength of screws, bolts, and threaded fasteners.
Material science research and college engineering labs.
Calculates Modulus of Rigidity ($G$) and polar moment of inertia from experimental twist curves.

Why Choose Stark Embsys Torsion Testing Machine

  • High Precision Torque Transducer: Reaction torque sensor guarantees accurate load measurement.
  • Automated Graph Analysis: Software calculates Yield Torque, UTS, and Modulus of Rigidity ($G$).
  • Self-Centering Chucks: High grip chucks eliminate specimen slippage during peak twist.
  • Complete Installation & Training: On-site setup and NABL traceable calibration included.