Manual Wire Bending Tester
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The Manual Wire Bending Tester is designed to evaluate the mechanical durability of electrical wires according to the JIS-C3005 standard. By bending wire samples repeatedly through preset holes, the tester assesses damage, cracking, surface cracks, and conductor strand breakage. The instrument features simple operation, bidirectional rotation, and automatic stop after reaching the preset number of cycles.
Application
(1) Automotive wire harness testing – evaluate conductor integrity under repeated bending.
(2) Power cord quality control – ensure mechanical reliability of household and industrial cords.
(3) USB and data cable durability – simulate repetitive bending during normal use.
(4) Electrical appliance wiring – check wire insulation and conductor performance.
(5) Laboratory R&D – test new wire materials for bending fatigue resistance.
Standards
(1) JIS C 3005 – Testing method for flexible cords
Parameters
| Parameter | Specification |
|---|---|
| Clamp Type | Manual |
| Clamp Spacing | 0–500 mm adjustable |
| Total Cycles | 0–999,999 cycles (manual setting) |
| Test Speed | 20 cycles/min |
| Off-Center Distance | 50, 75, 100, 150 mm |
| Sample Parallel Section Diameters | φ4 mm, φ6 mm, φ8 mm, φ10 mm, φ12 mm, φ15 mm, φ18 mm, φ20 mm |
Features
(1) Manual operation with adjustable clamp spacing.
(2) Supports a wide range of wire diameters (4–20 mm).
(3) Bidirectional rotation ensures uniform stress application.
(4) Cycle count can be set manually up to 999,999 cycles.
(5) Simple, reliable mechanical design for consistent test results.
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