Spring torsion tester

The Spring Torsion Tester is designed to precisely measure torsional properties, including torque and angle, for a wide range of torsion springs and components. It provides accurate, reliable data essential for quality control, design optimization, and research and development. The instrument supports testing according to recognized national and international standards, ensuring compliance and consistency in industrial, scientific, and educational applications.

Application

(1) Measuring torsion angle and torque of large torsion springs.

(2) Testing torsional stiffness and critical torsional properties of spring components.

(3) Torsion testing of mechanical parts and assembled components with appropriate fixtures.

(4) Quality control in manufacturing industries.

(5) Verification of torsional performance in mining and heavy machinery equipment.

(6) Material testing for industrial and scientific research.

(7) Testing for technical supervision and commodity inspection agencies.

(8) Educational and laboratory applications in universities and research institutes.

(9) Product design and R&D for optimizing torsional components.

Standards

(1) JB/T 9370-1999 – Torsion testing machine standard and material test method.

(2) JJG 269-2006 – National metrological verification regulation for torsion testing machines.

(3) ISO standards for torsion testing of springs and materials.

(4) JIS standards for torsion measurement of springs.

(5) ASTM standards for torsion testing of metallic and non-metallic springs.

(6) DIN standards for torsional property testing.

Features

(1) Accurate Measurement: High-precision measurement of torque and torsion angle.

(2) Determines Torsional Properties: Essential for assessing torsional stiffness and material performance.

(3) Versatile: Capable of testing a wide range of torsion springs and components.

(4) Quality Control: Ensures compliance with specifications and reliable product performance.

(5) Supports Design and R&D: Provides critical data for optimizing spring and component designs.

(6) Standard Compliance: Facilitates testing in accordance with recognized international and national standards.

(7) PLC Control System: Ensures stable operation and easy parameter adjustment.

Parameters

Parameter	Specification
Test force (N·m)	10, 20, 50, 100, 200
Minimum torque readout (N·m)	0.001, 0.01, 0.1
Minimum angle readout	0.1°
Relative error of torque indication	≤ ±1%
Torque zero error	≤ ±0.1%
Effective testing space	160 mm
Fixture centerline coaxiality	≤ φ1 mm
Control system	PLC
Power supply	AC 220V, 50Hz

Accessories

(1) Main testing machine

(2) Torque fixtures for different spring sizes

(3) Angle measurement clamps

(4) Control panel with PLC interface

(5) Power cable

(6) User manual

Test Procedures

(1) Secure the spring or component in the appropriate torsion fixture.

(2) Set the desired test parameters, including torque range and angular measurement resolution.

(3) Activate the PLC control system and begin the torsion test.

(4) Monitor torque and angle readings throughout the test for accuracy.

(5) After completion, stop the machine and carefully remove the test sample.

(6) Record the measured data for evaluation and quality assessment.

(7) Repeat the procedure for additional samples or different torque ranges as needed.

Maintenance Information

(1) Regularly inspect fixtures, clamps, and moving components for wear or damage.

(2) Lubricate rotating and sliding parts according to manufacturer recommendations.

(3) Clean the testing area and components after each test to remove debris.

(4) Periodically check electrical connections and PLC system for proper operation.

(5) Store the instrument in a clean, dry, and vibration-free environment when not in use.

(6) Follow operational safety guidelines to prevent injury during testing.

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