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Jinan Heng Rui Jin Testing Machine Co.,Ltd

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Torsion Testing Machine · product category

product name :Computer Control Wire Torsion Testing Machine
product specifications :NDW-XCW5/6/10/12/14

NDW-XCW Series 4mm/5mm/6mm/10mm/12mm/14mm Computer Control Wire Testing Machine Testing


1 Important Function

1) Wire simple torsion testing machine(wire is twisted for 360° along itselfs axial direction, it is defined one time of torsion, torsion for specific times or until wire breaking)

2) Wire reverse torsion test(wire is twisting for 360° along itselfs axial direction, it is defined as one time of torsion, twisting to opposite direction for the same times of cycle or wire breaking after twisting for specific times)

3) Simple and reverse torsion test and research with metallic wire, double strand metallic wire, composite material, bare wire, round cross sectional and special cross sectional conductor.

4) Simple and reverse torsion test with wire for plastic deformation property and defect of inner and surface.

5) Check shape and defect of breaking point(falt, ladder, diagonal, fanshaped, with crack, with sinkhole.)

6) Check crack lay of wire(constant crack and flash along torsion stripe)

7) Simple torsion with metallic, copper, aluminium and its alloy wire and composite material of diameter 1.0mm-14.0mm.

8) Reverse torsion testing with metallic, copper, aluminium and its alloy wire and special cross sectional conductor of diameter 1.0mm-10.0mm.


2 standard

1) ISO7800 2012 Metallic materials-wire-simple torsion test

2) ISO9649 Metallic materials-Wire-Reverse torsion test

3) ISO4101 Drawn steel wire for elevator ropes-specification


3 Important specification

1) Diameter of wire: 1.0 - 5.0/6.0mm, 5.0 - 10.0mm, 10.0 - 12.0/14.0mm

2) Adjustable torsion speed: 0.5 - 2r/s, 0.25 - 1r/s, 0.1r/s

3) 2% of tensile force of relative value of nominal tensile strength: 2N - 150N/200N, 50N - 300N,

4) Adjustable distance between two head of grip: 0 - 500mm, 0 - 350mm

5) Coaxiality of two head of grip: ≤¢0.1mm/1000mm

6) Flatness of sliding grip: 0.2mm/1000mm

7) Resolution value of countering:360°/r

8) Hardness of grip:HRC55 - 65

9) Voltage: 220V±10% 50Hz

10) Size of loading frame: about 1900*560*1150

11) Weight of machine: about 500kg

12) If diameter of wire 3.0mm, please choose EZ - 1A/3A, 1mm/3mm high speed wire torsion testing machine.



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