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EZ-1/3 Metal Wire Torsion Testing Machine

EZ-1/3 Metal Wire Torsion Testing Machine

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1. Uses and characteristics of metal wire torsion testing machine 1. Uses:

The metal wire torsion testing machine is mainly used to determine the ability of the metal wire with a diameter of Φ0.3-3mm to withstand plastic deformation in one-way or two-way torsion. The surface defects of the wire can be displayed during the test. The testing machine is electrically loaded, the rotation sensor detects the number of twisting turns, and the liquid crystal displays the detection result. 2. Performance characteristics:

1) The  metal wire torsion testing machine has two rotation speeds to choose from, and the test speed can be switched at will to meet the test requirements ;

2)  may be clamped wire length . 3 00mm; guide pulley axial force applied weight, with specific amplification 1:10 lever tensioning device, the liquid crystal display after a few laps test specimen ring rupture test value is automatically latched.

3. Scope of application:

The metal wire torsion testing machine is mainly used in the mechanics laboratories of relevant scientific research departments, various colleges and universities, and industrial and mining enterprises to determine the torsion performance of materials; suitable for online inspection of production wire units and purchase inspection of wire units; widely used in steel High-speed lines, prestressed steel wire plants, quality supervision, scientific research institutes, highway transportation, construction industry, steel wire ropes, wires and cables, copper and copper alloy wires for electrified railways, copper contact wires and other production and use departments.

4. Applicable objects:

1)  Steel metal wire: steel wire, steel rod, steel bar, etc.;

2)  Copper metal wire: copper wire, copper rod, copper alloy, etc.;

3)  Aluminum metal wire: aluminum wire, aluminum rod, aluminum alloy, etc.;

4)  Other metal wire: bar, glass, steel, ultra-fiber, steel and the like .

2. Applicable standards for metal wire torsion testing machine

1.  GB/T239-1999 "Metal Wire Torsion Test Method"

2.  GB/T5223-2002 "Steel Strand for Prestressed Concrete"

3.  GB/T5224-2003 "Wire for Prestressed Concrete"

4.  TB/T3111-2005 "Copper and Copper Alloy Conductors for Electrified Railways"

5.  TB/T2809-2005 "Copper and Copper Alloy Contact Wire for Electrified Railway"

6.  GB/T239.1-2012 "Metallic Material Wire Part One Unidirectional Torsion Test Method"

7.  GB/T239.2-2012 "Metal Material Wire Part 2 Two-way Torsion Test Method"

8.  GB 4909[1].4-2009-T Bare wire test method Part 4: Torsion test

9.  GBT 3952-2008 Copper wire billet for electrical engineering

10.  ISO 7800:1984 "Metal Wire Unidirectional Torsion Test Method"

11.  ISO 9649:1990 "Two-way Torsion Test Method for Metal Wire"

3. Technical parameters of metal wire torsion testing machine

1.  Test range: Φ0.3-Φ1mm Φ -Φ mm ;

2.  Parallelism within the full length of the moving rail: ;

3. The  maximum distance between the two chucks: 300mm ;

4.  torsion Speed: 180 [ 300R / min . 6 /12 is 0r / min ;

5.  Jaw hardness: 55-65HRC ;

6.  Working noise of the testing machine: ;

7.  Power supply: AC380V±10%, 50Hz



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