Product No: WDT-3
The WDT-3 Static Flexibility Test Machine for flexible cables is used for static flexure testing in the mechanical strength testing of finished flexible cables. During the test, a sample of a specified length is fixed at the clamping end. After maintaining the initial clamping distance, one end is moved to bend the cable into a standard U-shape. The test is completed by measuring the final distance between the two clamping ends. This equipment is only suitable for flexible cables with specific structures and specifications. It is not suitable for cables with conductor nominal cross-sections or concentric layers exceeding the specified range, providing standardized testing conditions for verifying the mechanical performance compliance of flexible cables.
Standard:
| Standards | Standards Name |
| IEC 60245-1:2008 | Rubber insulated cables – Rated voltages up to and including 450/750 V – Part 1: General requirements |
| IEC 60245-2:2008 | Rubber insulated cables – Rated voltages up to and including 450/750 V – Part 2: Single core cables with thermoplastic insulation |
| IEC 60227-1:2024 | Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V – Part 1: General requirements |
| GB/T 5013.1-2008 | 额定电压 450/750V 及以下橡皮绝缘电缆 第 1 部分:一般要求 |
| GB/T 5013.2-2008 | 额定电压 450/750V 及以下橡皮绝缘电缆 第 2 部分:试验方法 |
Specification:
• Flexural length: 200 -1500(mm)
• Sample outer diameter: φ6 – 32(mm)
• Sample length: 3000±5% (mm)
• Height above ground: 1500mm
• Overall dimensions (length*width*height): 2000*400*1800mm
Applications:
1. Static bending mechanical strength testing of rubber-insulated finished flexible cables;
2. Static bending performance verification of PVC-insulated finished flexible cables;
3. Factory quality inspection by cable manufacturers of flexible cables that meet the applicable scope;
4. Compliance testing of the mechanical performance of flexible cables by third-party testing institutions;
5. Optimization testing of the static bending performance of flexible cables during cable product development.

IEC 60245-1: 2007 Clause 5.6.3.2

IEC 60245-2: 1998 Clause 3.2 Figure 2