Shoe Flexing Tester EN ISO 20344
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The Shoe Flexing Tester is designed to evaluate the durability of finished shoes and sole materials by applying continuous, controlled bending at a fixed angle and frequency. It measures resistance to repeated flexing and the potential for crack initiation or growth, providing objective data on the performance and longevity of footwear under simulated walking or stress conditions.
Applications
(1)Testing finished athletic shoes such as running shoes, basketball shoes, and trainers for bending resistance and crack propagation under dry or wet conditions.
(2)Evaluation of casual shoes including leather shoes, canvas shoes, and sneakers for long-term flex durability.
(3)Testing work and safety shoes such as steel-toe boots, composite-toe shoes, and hiking boots for repeated flexing under simulated use.
(4)Assessment of sole materials including EVA, PU, rubber, thermoplastic, and fiberboard for flexural fatigue and cracking resistance.
(5)Quality control in footwear manufacturing for all types of shoes to ensure compliance with durability standards.
(6)R&D testing of new shoe prototypes and experimental sole formulations to evaluate flexing performance.
(7)Inspection of industrial and professional footwear designed for long-term wear, outdoor activities, or extreme conditions.
(8)Testing children’s shoes for bending and zigzag resistance to ensure safety and comfort during play.
(9)Evaluation of orthopedic and therapeutic footwear to verify structural integrity over repeated flexing cycles.
Standards
(1)HG/T 2871-2008, Method B — Finished Footwear Flexing Test
(2)GB/T 20991-2007 — Testing Methods for Finished Footwear
(3)QB/T 2881-2007 — Test Methods for Footwear Flexing Resistance
(4)EN ISO 20344:2011 — Personal Protective Equipment — Test Methods for Footwear
(5)SATRA TM92 — Resistance of Footwear to Flexing
(6)ASTM F1590 — Standard Test Method for Flexing Resistance of Footwear Soles
(7)DIN 53512 — Testing of Shoe Soles for Flexing Resistance
Product Features
(1)Evaluates durability of finished shoes and sole materials under repeated flexing conditions.
(2)Supports multiple specimen types, including finished shoes and interchangeable sole samples.
(3)Adjustable bending angles and flexing speeds to meet different shoe types and test standards.
(4)LCD digital counter for precise cycle tracking.
(5)Robust construction for reliable long-term fatigue testing.
Technical Parameters
| Item | Specification |
|---|---|
| Test Sample Number | 2 pairs of shoes (4) / 4 sole samples |
| Bending Angle | 30°, 45°, 60°, 90° adjustable |
| Test Speed | 0–150 ± 5 cycles per minute |
| Counter | LCD display |
| Test Range | 0–9,999,999 cycles |
| Power Supply | AC220V, 3A |
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