The metal wire torsion testing machine complies with the Chinese standards GB/T 239.1-2012 "Metallic materials – Wire – Part 1: Simple torsion test" and GB/T 239.2-2012 "Metallic materials – Wire – Part 2: Reversing torsion test," as well as the international standards ISO 7800:2003 "Metallic materials – Wire – Simple torsion test" and ISO 9649:1990 "Metallic materials – Wire – Reversing torsion test."
This metal wire torsion testing machine is suitable for determining the ability of metal wires with diameters (or characteristic dimensions) of 10 μm to 10 mm to withstand plastic deformation under unidirectional or bidirectional torsion, and for revealing surface and internal defects in the wires.
Wire diameter | φ10-100um | φ0.1-3mm | φ1-10mm |
Work approach | Automatic shutdown upon breakage, real-time display of broken coils | ||
Display method | LCD screen Chinese menu display, forward rotation, reverse rotation, bidirectional twisting, speed adjustment | ||
Space between the two fixtures | 300mm | 300mm | 500mm |
Reverse speed | 60、90、120、180、300r/min | 60、90、120、180、300r/min | 30、60、90、120r/min |
Speed error | ＜±10% | ||
Minimum readable value of revolutions | 0.1 | ||
Power supply | AC220V 50 Hz | ||
Noise | ＜70 dB（A） | ||
Assembly quality | Complies with national standard GB/T 2611 | ||
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