Leather Seam Fatigue Tester
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Web: standard-groups.com
The leather seam fatigue testing machine is used to test interior materials by subjecting samples to periodic tensile and recovery cycles under specified test conditions. After a specified number of cycles, the maximum needle hole elongation at the seam is measured to evaluate the fatigue resistance of the seam.
Application
The leather seam fatigue testing machine is used to evaluate the fatigue strength of seams in automotive seat surface materials. Automotive seat surface materials (genuine leather, synthetic leather, fabric, etc.) often have a stitched seam structure, and the stitching strength and fatigue resistance of these seams directly affect the lifespan of the seat. By testing the strength and lifespan of the material seams, it is possible to effectively predict the seat's lifespan and identify areas for improvement to extend its service life.
Standard Test
ISO 5402: Leather physical testing – Flex tester method for adhesion and strength analysis.
SATRA TM55: Seam fatigue testing for footwear, ensuring stitching integrity under cyclic stress.
ASTM D6193: Loop strength testing for leather goods, critical for accessories like belts and bags.
GB/T 3903.32: Chinese national standard for footwear seam fatigue resistance.
EN 13520: Flexometer testing for coated fabrics, validating bonding durability in automotive interiors.
Feature
Quad-Testing Stations: Independent clamping mechanisms for parallel evaluation of seams, loops, or bonded joints.
Customizable Testing Modes:
Seam Fatigue: SATRA/ISO-compliant bending cycles (e.g., 50.000 cycles for footwear uppers).
Loop Strength: ASTM-standard tension tests for leather accessories.
Adhesion Integrity: EN 13520-compliant coating delamination analysis.
Advanced Control System:
7-inch touchscreen with preset protocols for footwear, automotive, and fashion industries.
Adjustable load cell (0–50N) for tension/compression testing.
Fail-Safe Mechanisms: Auto-stop function upon seam failure or cycle completion, with real-time data logging.
Ergonomic Design: Quick-release clamps for rapid sample mounting and tool-free angle adjustments.
Parameters
| Parameter | Specification |
|---|---|
| Test Stations | 1–4 (simultaneous operation) |
| Stroke Frequency | 100–300 cycles/min (adjustable) |
| Bending Angle | 0–90° (customizable) |
| Load Capacity | 0–50N (adjustable) |
| Sample Dimensions | 150 × 30 mm (standard) |
| Control System | PLC with touchscreen (programmable cycles, angles, loads) |
| Power Supply | 220V/50Hz, 120W |
| Dimensions | 600 (L) × 450 (W) × 500 (H) mm |
| Net Weight | 45 kg |
| Cycle Counter | Digital (1–999.999 cycles) |
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