Gold Member Since 2012
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Beijing United Test Co., Ltd.

Reverse Torsion Testing Machine, Torsion Tester, Steel Wire Reverse Torsion manufacturer / supplier in China, offering Njs-X Series Metal Wire Reverse Torsion Tester, ISO75 Heat Deflection Temperature Tester, Cable Lugs, Electrical Wire Terminal Tensile Strength Tester and so on.

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Supplier Homepage Product Torsion Testing Machine Njs-X Series Metal Wire Reverse Torsion Tester

Njs-X Series Metal Wire Reverse Torsion Tester

FOB Price: US $2,000-4,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,000-4,000/ Piece
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Port: Tianjin, China
Production Capacity: 300 Sets/Year
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: NJS-X
  • Maxcapacity: 30mm
  • Load Way: Electronic Load
  • Display: Digital
  • Weight: 100-500Kg
  • Oil Cylinder Position: No
  • Color: White
  • Trademark: UnitedTest
  • Specification: ISO, ASTM or Equal
  • HS Code: 9031809090
  • Type: Torsion Testing Machine
  • Accuracy Grade: 0.5
  • Loading Method: Static Load
  • Control: Manual Control
  • Power Source: AC220V
  • Standard: ISO 9649
  • Direction: Forward, Backward
  • Transport Package: Standard Export Wooden Case
  • Origin: China
Product Description
NJS-10X series Metal Wire Torsion Tester is used to execute metal wire torsion test, measure the metal wire endure of plastic distortion ability in single or double direction torsion condition; check the surface or internal defect.
 
Standard:
ISO 9649 Metallic materials -- Wire -- Reverse torsion test.  
GB/T 239.2 Metallic materials -- Wire - part 2. Reverse torsion test.
This Standard specifies a method for determining the ability of metallic wire of diameter dimension from 0,3 mm to 10,0 mm inclusive to undergo plastic deformation during reverse torsion. This test is used to detect surface defects, as well as to assess ductility.


Principle:
A test piece of wire is twisted a specified number of turns through 360° around its own axis in one direction, and then a specified number of turns through 360° in the opposite direction.

Njs-X Series Metal Wire Reverse Torsion Tester

 
SymbolDesignationUnit
dDiameter of a round wiremm
LFree length between gripsmm
N1Number of turns in one direction-
N2Number of turns in the opposite direction-
Dependence of free length between the grips on nominal diameter of the wire
 
Nominal diameter
d
mm
Free length between grips
L
mm (nominal)
0.3 ≤ d < 1.0
1.0 ≤ d < 5.0
5.0 ≤ d ≤ 10
200d
100d (1)
50d  (2)
(1) 50d may be used by special agreement.
(2) 30d may be used by special agreement.

Main specification: 
 
ModelNJS-1XNJS-3XNJS-10XNJS-30X
Metal wire diameter0.3-1mm1-3mm3-10mm10-30mm
Movable guide rail parallelism<0.2
Two clamper distance300mm500mm
Torsion speed180, 300±10% rpm60, 120±10% Rpm30, 60±10% Rpm
Working noise<70dB
Jaw hardness55~65
Power supply50Hz, 380V


 
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