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Upper Material Flexing Tester DW9410

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Upper Material Flexing Tester, also called Vamp Flexing Machine, is used to simulate the stretching, squeezing and flexing action to upper material in normal wear, so as to provide a reference for quality improvement and selective purchase of shoe upper material.

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Upper Material Flexing Tester DW9410

Upper material flexing tester is used to simulate the stretching, squeezing and flexing action to upper material in normal wear by reciprocating fast motion. The scratch, wrinkle or damage phenomenon on the test sheet is visually inspected after testing and used as a reference to select upper material. With memory function in case of power-down.

Follows are features of upper material flexing tester:

  • This machine allows twelve specimens to be tested simultaneously;
  • Total flexing cycle times can be preset by the counter with 6 bit LCD display;
  • Automatic stop when reach the preset cycle times;
  • Easy installation and use.

Application 

Application of upper material flexing tester 

Upper material flexing tester is used to assess the tendency of all type of shoe upper materials such as leather, poromeric, plastic-coated fabric and upholstery coverings to crack or break as a result of flexing in wear.

Double crease similar to those formed in the upper of a boot during wear are generated repeatedly in specimens of polyurethane upper material by means of a suitable apparatus until cracking of the polyurethane upper material is observed or until the test piece survive a specified number of flexure cycles.

Upper material flexing tester complies with ISO 4643, ISO 20344, GB/T 20991 and SATRA TM25.

If you need more information about upper material flexing tester, please contact us.

Standards 

Upper material flexing tester Standards 

ISO 4643 ISO 20344 GB/T 20991 SATRA TM25

Key specification

Key specification of upper material flexing tester  

Stroke (19±0.5)mm
Test sheet 64×64mm
Fixture 40o V-shape, 6.4mm(R)
Counter LCD, 0~999,999
Power supply AC220V, 50Hz
Dimensions 550×350×300mm (L×W×H)
Weight Approx. 60kg

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