【Scope of application】 It is used to test the resistance to repeated flexing damage of coated fabrics. This machine is the S childknecht test method. 【Related standards】 GB/T 12586-2003 Rubber or plastic-coated fabrics-Determination of flexural damage resistance (Method C fold flexion method), ISO 7854, BS 3424: Part9 【technical parameter】 1. Test station: 4 groups 2. Disc: 63.5mm in diameter and 15mm in width 3. Rotation speed: 200±10r/min (3.33Hz±0.17Hz) 4. Rotation angle: 90°±2° 5. Compression speed: 152±4r/min (2.53Hz±0.07Hz) 6. Compression stroke: 70mm 7. The distance between the inner side of the cylindrical flange: Max.180mm±3mm 8. Sample size: 220mmx190mm, one piece each in warp and weft 9. Sample stitching size: cylindrical shape, length 190mm, inner diameter 64mm 10. Counting: 0~999 999 times can be set 11. Volume (WxDxH): 57x39x42cm 12. Weight (approximately): ≈60Kg 13. Power supply: 1∮ AC 220V 50Hz 3A