Velcro Fatigue Tester

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The Velcro fatigue strength tester is a device specifically designed to test the adhesive strength of Velcro (hook and loop fasteners) after repeated peeling and bonding.

Application

The hook and loop fastener fatigue tester/hook and loop tape fatigue strength tester is suitable for testing the adhesive strength of hook and loop fasteners (hook and loop tapes) after repeated peeling and bonding actions, and for evaluating whether they meet the standard requirements.

Standards

DIN : Textile touch-and-close fasteners – Requirements for fabric adhesive zippers.

GB/T 3903.21-2008: Footwear – Test method for fastening tape shear strength before/after repeated opening/closing.

ISO 22776-2004: Footwear – Test method for attachments (fastening shear strength after repeated closures).

JSB 39-1993: Military-grade nylon fastening tape specifications.

DIN EN 12242-1999: Contact locks – Determination of peel strength.

GB/T 23315-2009: General fastening tape standards.

Advantages

Fully Automated Operation: Eliminates manual intervention with automatic counting, auto-stop upon completion, and audible alerts for seamless workflow.

Rapid Sample Exchange: Innovative winding-tensioning fixture design allows quick changes, reducing downtime and boosting lab efficiency.

Versatile Testing: Accommodates fastening tapes of all sizes, from apparel to industrial applications.

Real-World Simulation: Mimics repeated bonding/peeling cycles to evaluate long-term adhesion durability.

Portable & Space-Saving: Compact yet robust construction enables easy relocation between testing facilities.

Data-Driven Results: Post-test dynamometer integration provides precise average adhesive force measurements.

Features

Dual-Roller System: Separate rollers for hook (male) and loop (female) surfaces ensure consistent contact pressure during cycling.

Adjustable Test Cycles: Programmable up to 999.999 repetitions to meet diverse standard requirements.

Heavy-Duty Wheel: Applies calibrated pressure to simulate high-stress use cases (e.g., footwear, automotive interiors).

Ergonomic Controls: Intuitive interface with LCD display for real-time cycle tracking and error diagnostics.

Safety First: Overload protection and emergency stop function guarantee operator safety.

Modular Design: Fixtures and rollers are interchangeable for compatibility with various fastening tape geometries.

Parameters

Item	Specification
Roller diameter	Upper roller: φ162.5mm, Lower roller: φ160mm
Roller width	Generally 70mm or 80mm
Rolling speed	60rpm/min (or 60±5r/min)
Reversing time	30s
Load	5kg
Counter	LCD display, 0~999.999 cycles
Horsepower	AC 1/8HP dual-frequency motor
Power supply	AC220V, 50Hz
Dimensions & Weight	Vary by model

Test Procedures

First: Prepare the weights and test sample;

Attach the Velcro tape to the roller surface;

Attach the two rollers together;

Add the weights;

Set the timer;

As the rollers roll, the Velcro tape will continuously adhere and peel off;

When the timer ends, the rollers will stop working.

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