IEC60851-3 Winding Wires Elongation Test Apparatus For Accurate Measurement
IEC60851-3 Winding Wires Elongation Test Apparatus
1. Introduction
The wire elongation test apparatus is designed according to the IEC60851-3 clause 4.1 and GB/T4074.3 clause 4.1. It’s used for measuring the elongation (extension) rate of enameled wires, silk-wrapped or other insulation-coated round copper wires ranging from φ0.018 mm to φ3.000 mm, as well as other metal wires with a breaking force of ≤5000 N.
Principle:
A straight piece of wire shall be elongated to the point of fracture of the conductor at a rate of (5±1)mm/s with an elongation tester or with tensile testing equipment with a free measuring length of between 200mm and 250mm.
2. Specification
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Control method |
Microcontroller |
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Initial distance between clamps |
200±1mm and 250±1mm, adjustable |
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Movable clamp travel distance |
≥82% (164mm) |
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Sample elongate rate |
5±1mm/s |
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Max. Elongation test range |
80% (IEC) |
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Elongation display |
Three-digit LED display automatically shows the test results, accuracy: 0.1% |
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Power Supply |
AC220V±10%, 50Hz |
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Power consumption |
≤200W or ≤350W |
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Operating environment |
Temperature: 0-40℃, relative humidity: ≤85% |
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Dimension and weight |
L640*W400*420mm/45KG |
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Function |
When the specimen fractures, the movable clamp automatically stops moving. |
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