Automotive Wire Repeated Bending Tester | ASTM ISO Testing Machine
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The Automotive Wire Repeated Bending Tester is designed to evaluate the durability of automotive wires under repeated bending conditions. It can be combined with a low-temperature chamber to perform bending tests under various environmental conditions, simulating real-world automotive wiring stress.
Application
(1) Automotive wiring harnesses – assess flexibility and resistance to repeated bending.
(2) Low-voltage cables – verify insulation and conductor integrity under cyclic mechanical stress.
(3) R&D laboratories – test new wire formulations for mechanical reliability.
(4) Production quality control – ensure wires meet bending durability standards.
(5) Environmental testing – evaluate performance under low-temperature conditions using an optional temperature chamber.
Standards
ISO 14572:2011 – Test method for the bending performance of electrical wires
Parameters
| Parameter | Specification |
|---|---|
| Swing Angle | Clockwise 180° (or specified), Counterclockwise 180° (or specified) |
| Speed | 10–60 ±1 times/min |
| Counter | 1–999999, presettable |
| Test Stations | 3 groups |
| Weights | 2.5 N, 3.75 N, 5 N, 7.5 N each |
| Safety | Automatic stop on conductor break, data retention |
| Test Voltage | DC 24V |
| Power Supply | AC 220V ±10%, DC 24V/5A switching power |
| Machine Weight | 50 kg |
| Clamp Radii (by wire specification) | 0.5 mm² wire: Ø1.5 mm, R=3.75 0.75 mm² wire: Ø1.8 mm, R=4.5 1.0 mm² wire: Ø2.0 mm, R=5.0 1.5 mm² wire: Ø2.2 mm, R=5.5 Optional R: 7.2, 9.6, 12.6, 18, 22.2, 44.25, 51, 74.25 mm |
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