Gaman Twisting Test Machine "Gaman Stefunest Test" GS-2

basic information

■Number of test specimens: Up to 6 can be measured simultaneously ■Test specimen dimensions: Width 3mm × Thickness 2mm × Length 40mm ■Grip distance for test specimens: 25±3mm ■Test temperature range: -70℃ to 30℃ ■Cooling method: Air-cooled dual refrigeration unit (Refrigerants: HFC-404A, HFC-23) ■Cooling medium: Ethanol (Capacity: 18L) ■Temperature control: Fixed heating method with 5℃ intervals, continuous heating at 1℃/min ■Displacement measurement: Top-mounted encoder ■Twisting method: Stepper motor ■Twisting angle: 180° ■Wire types: Three types of twisting constants ■Measurement operation: Installation of test specimens and elevation of the test section are performed manually. Twisting of the test specimen, angle measurement, and temperature adjustment are automated. ■Data processing software: Data is collected from the testing machine and output to an Excel worksheet (template) (PC and Excel are optional) ■Data content: Apparent torsional modulus, specific modulus, temperature relative to specific modulus ■Power supply: Three-phase, AC200V, 50/60Hz, 20A

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Applications/Examples of results

Evaluate the flexibility of rubber materials at low temperatures based on the "Low Temperature Twisting Test" of JIS K6261-3.