Leather Shoe Hook Core Longitudinal Bending Stiffness Tester
The Leather Shoe Hook Core Longitudinal Bending Stiffness Tester is designed to measure the longitudinal bending stiffness of steel shanks used in the waist region of footwear. It quantifies the resistance of shanks to bending under load, providing precise data for footwear design, quality control, and material evaluation. The tester is lightweight, durable, and allows rapid, accurate measurement of hook core stiffness.
Application:
Shanks Longitidinal Stiffness Tester determines the stiffness in the longitudinal direction of steel shanks used for the reinforcement of the waist region of women’s shoes, men’s shoes and children’s shoes.
(1)Evaluation of longitudinal stiffness of steel shanks in women’s, men’s, and children’s shoes.
(2)Quality control of shoe manufacturing to ensure consistent waist reinforcement performance.
(3)Research and development of footwear to optimize shank materials and design.
(4)Testing of various shank metals and cross-sectional shapes for durability and performance.
(5)Inspection of new shank designs or materials prior to mass production.
(6)Applicable in laboratories, footwear manufacturers, and quality inspection agencies.
Standard：
(1)JBS-5131 / 4.18 — Determination of Shank Longitudinal Stiffness
(2)QB/T 1812 — Footwear Shank Testing Standard
(3)QB/T 1813 — Leather Shoe Shank Stiffness Test Method
(4)EN ISO 20344 — Personal Protective Equipment — Footwear Test Methods
(5)ASTM F-xxxx — Standard Test Method for Footwear Shank Stiffness
Product Features
(1)Digital display for precise measurement of bending deflection and stiffness.
(2)Fixes the heel end of the shank and applies a controlled load to the front end for longitudinal bending measurement.
(3)Lightweight and compact design, facilitating easy operation and transport.
(4)Durable construction suitable for continuous laboratory and production use.
(5)Fast and accurate measurement of hook core stiffness, independent of shank length.
(6)Adjustable clamps and inclination angles for different shank sizes and types.
(7)Clear deflection scale (0–10 mm) for intuitive observation of bending results.
(8)Compatible with a variety of shank metals and cross-sectional shapes.
Technical Parameters：
| Item | Specification |
|---|---|
| Rear clip claw length | 32 mm |
| Inclination angle of front bar | 10° |
| Adjustable angle of rear clamp seat | 30° |
| Length of special quantity card | 60 ± 0.02 mm |
| Front splint thickness | 12 mm |
| Test weights | 200 ± 1 g × 4 |
| Volume | 33 × 16 × 30 cm |
| Total weight | 12 kg |
| Deflection scale | 0–10 mm (minimum scale 0.1 mm) |
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