1.Introduction

Metal wire torsion tester is mainly used to determine the ability of metal wire to withstand plastic deformation in unidirectional or bidirectional torsion and the defects of the surface and interior ,Measuring diameter is 1-10mm,10-20mm,10-30mm (or feature sizes).

2.Main technical parameters

Model	EZ-1	EZ-3	EZ-6	EZ-10	EZ-20	EZ-30
Metal wire diameter(mm)	φ0.1-1	φ0.1-3	φ1-6	φ1-10	φ10-20	φ20-30
two chuck maximum distance	200mm	300mm	500mm	500mm	22d/22D	22d/22D
Maximum counting capacity	999.9
speed Deviation	<±5%
Minimum read value of circles	0.1 circle
The coaxial accuracy between the two clamps	<φ0.4mm
Test  speed(r/s)	0.25,0.5,1, 1.5,2,3,5	0.25,0.5,1, 1.5,2,3,5	0.25,0.5,1, 1.5,2,3	0.25,0.5, 1,1.5,2	2-6	2-6