Velcro Fatigue Tester/Velcro Tester
The Velcro Fatigue Tester is designed to evaluate the durability, shear strength, and peel strength of touch-and-close fasteners. By repeatedly engaging and separating the hook and loop materials under controlled pressure, speed, and cycle count, the tester allows manufacturers to assess long-term performance and bonding reliability.
This equipment is essential for quality inspection in footwear, apparel, luggage, protective gear, medical products, sports equipment, and industrial fastening systems.
Product Functions & Applications
The instrument simulates real-life usage where hook-and-loop fasteners undergo continuous opening and closing. The system performs repeated shear and peel actions for a specified number of cycles. A rolling device applies uniform pressure using the sample’s own weight, ensuring consistent bonding before each test.
Key functions include:
Measurement of shear strength between two Velcro layers
Measurement of peel strength before and after repeated closing
Cycling fatigue simulation to determine long-term durability
Adjustable pressure through calibrated balance blocks and weights
Large-capacity memory counter for long-duration tests
Suitable for:
Footwear production
Outdoor equipment and bags
Apparel and uniforms
Medical straps
Industrial fastening materials
Compliant Standards
The Velcro Fatigue Tester meets a wide range of international test methods:
| Standard | Description |
|---|---|
| DIN 3415 | Textile touch-and-close fasteners — Requirements |
| SATRA TM123 | Footwear test method for touch-and-close fasteners |
| ISO 22776 | Accessory test method: Shear strength before/after repeated closing |
| GB/T 3903.20 | Footwear — Peel strength before/after repeated closing |
| GB/T 3903.21 | Footwear — Shear strength before/after repeated closing |
| GB/T 23315-2009 | Touch-and-close fasteners — General requirements |
Technical Specifications
| Item | Parameter |
|---|---|
| Driving Wheel Speed | 60 ± 5 rpm |
| Switching Time | 30 ± 0.5 sec |
| Sample Pressure | 1.0 ± 0.1 N/mm |
| Counter | LCD, up to 99,999,999 cycles |
| Dimensions (W × D × H) | 53 × 55 × 67 cm |
| Weight | 60 kg |
| Power Supply | 1∮ AC 220V, 50/60 Hz, 3A (based on local requirements) |
As a professional manufacturer of testing instruments and a laboratory test solution provider, we deliver reliable, standards-compliant equipment for footwear, textiles, and material performance evaluation.
We not only supply the Velcro Fatigue Tester but also offer full laboratory layout guidance, customized fixtures, and complete testing solutions tailored to your production needs.
If you require detailed pricing, technical documents, or integration into your testing line, feel free to contact us anytime.
Frequently Asked Questions (FAQ)
1. What types of fasteners can this tester evaluate?
It tests all kinds of hook-and-loop fasteners, including industrial-grade Velcro®, textile fasteners, footwear straps, sports gear fasteners, and general-purpose touch-and-close materials.
2. Does the tester measure both peel and shear strength?
Yes. The machine is designed for shear strength, peel strength, and fatigue durability before and after repeated closing cycles.
3. How many cycles can the counter record?
The LCD counter supports up to 99,999,999 cycles, making it suitable for long-duration endurance testing.
4. Can the pressure between the two fastener layers be adjusted?
Yes. Pressure can be fine-tuned by adjusting the balance blocks and weights, ensuring consistent bonding according to testing standards.
5. Are custom fixtures or special test requirements supported?
As the manufacturer, we can provide custom clamps, extended fixtures, or tailored testing solutions for non-standard materials or industry-specific requirements.
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