ZL-2703 Flat Wire Circular Bending Tester is a testing instrument used to test the flexibility and adhesion of various enameled flat wires, paper wrapped flat wires, glass fiber wrapped flat wires, film wrapped flat wires, and corresponding copper and aluminum flat wires with different diameters by bending test rods.
Executive standards: IEC60851.5, GB/T4074.3
The Main Technical Parameters:
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Bend Host |
Small machine (mainly used for wide-edge bending) Large-size machine (used for narrow-edge bending) |
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Flange Diameter |
Large machine φ425mm Small machine φ260mm |
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Bending Arm Length |
Large machine φ450mm Small machine φ350mm |
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Rotating Arm Rotation Angle |
>180º |
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Number Of Test Rods And Diameter Range |
Tower rod |
3 pieces |
φ3.4~φ53mm |
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Round rod (standard multiple diameter) |
121 types |
φ1.6~φ80mm |
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Explanation: For round bars that require non-standard diameters of other specifications, customization can be made according to specific customer requirements. According to the standard configuration of curved round bars, please refer to the Round Bar – Number Comparison Table |
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Calculation of Sample Sampling Length:
1.The minimum sampling length of the sample is calculated according to the following formula:
L=150mm+π·Dmm
L – Sample length
D – Diameter of round rod
2.Cut a sample of the specified length according to the above calculation formula, straighten it in an appropriate manner, or perform it on a tensile machine. But the elongation of the sample cannot exceed 1%, and the insulation of the sample must not be damaged
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