Wire Cyclic Bending Testing Machine
Category：Life Cycle & Durability
Introduction
The Automotive Wire Cyclic Bending Testing Machine is designed to evaluate the fatigue resistance and durability of automotive wires and cables under repeated bending conditions. You can simulate dynamic bending stresses to verify wire performance in real-world in-vehicle applications, ensuring compliance with international automotive standards.
Application
This machine is suitable for testing:
(1) Automotive wire harnesses used in engine compartments, dashboards, and door assemblies.
(2) Low-voltage battery cables (SAE J1128 compliant).
(3) Shielded and unshielded wires across various gauges (0.5 mm² to heavy-duty cables).
(4) Related wire samples in R&D, quality control, and production line verification.
Standards
(1) ISO 6722 – Road vehicles: Cables for conductor sets
(2) SAE J1128 – Low-voltage battery cable specifications
Parameters
| Parameter | Specification |
|---|---|
| Swing Angle Range | 0°–180° (CW/CCW), adjustable in 1° increments |
| Operating Speed | 10–60 cycles/min (±1 cycle tolerance) |
| Cycle Counter | 1–999,999 counts (presettable with pause/resume) |
| Test Stations | 3 independent channels with quick-release fixtures |
| Applied Loads | 2.5N, 3.75N, 5N, 7.5N (interchangeable weights) |
| Fixture R-Angle Options | R3.75, R7.2, R9.6 (customizable per wire gauge/mm²) |
| Test Voltage | 24V DC (built-in supply) |
| Power Input | AC 220V ±10%, 50/60Hz (switchable to DC 24V/5A) |
| Machine Dimensions (W×D×H) | 600 × 450 × 750 mm |
| Net Weight | 50 kg |
Features
(1) Dynamic Swing Mechanism – 180° rotation with digitally adjustable angles in 1° increments.
(2) Variable Speed Control – Operate at 10–60 cycles/min with real-time speed display and over-speed protection.
(3) Modular Test Stations – Three independent channels with individual start/pause controls and LED indicators.
(4) Adaptive Fixture System – Interchangeable R-angle fixtures support thin to heavy-duty wires, reducing setup time.
(5) Precision Fatigue Analysis – ±1 cycle/min speed accuracy with six-digit counter for reliable life-cycle prediction.
(6) Safety & Data Integrity – Automatic stop-on-break and memory retention after power interruptions.
(7) Robust Construction – Steel frame with vibration-damping feet ensures stability during high-load operation.
(8) Diagnostic Capabilities – Built-in 24V output for continuity monitoring during testing.
Accessories
(1) 4-Piece Weight Set (2.5N / 3.75N / 5N / 7.5N) with storage case
(2) 3 × R-Angle Fixture Heads (R3.75, R7.2, R9.6)
(3) Spare Fuse Kit (2A / 5A)
(4) Calibration Certificate (ISO 17025-compliant)
(5) Multilingual Operation Manual (English / Spanish / German)
(6) Fixture Removal Tool
Maintenance Information
(1) Clean the machine frame and fixtures regularly to remove dust or debris.
(2) Lubricate moving parts periodically to maintain smooth swing operation.
(3) Inspect electrical connections and fuses before each test.
(4) Calibrate load weights and cycle counters annually.
(5) Store accessories and fixture heads in a dry, organized manner.
FAQ
(1) What is this product?
It is a testing machine designed to evaluate the fatigue resistance and durability of automotive wires and cables under repeated bending conditions.
(2) What is this product used for?
You can simulate the dynamic bending conditions that wires experience in vehicles to assess their lifespan and reliability, ensuring compliance with OEM and international standards.
(3) What is the working principle of this product?
The machine repeatedly bends wire samples using an adjustable swing mechanism and precise applied loads while monitoring cycle count and electrical continuity, recording fatigue data for analysis.
(4) Why is this product important?
It helps you verify wire durability under real-world conditions, reducing the risk of vehicle failures due to wire fatigue, and ensuring safety and performance.
(5) Which industries is this product suitable for?
It is suitable for automotive manufacturing, wire harness production, low-voltage cable manufacturing, research institutions, and quality inspection laboratories.
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