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Diamante Pull-Off Test

Specification


The customer was a supplier to major UK clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure. The strength of the joint/diamante was critical to ensure that it met the design tolerance and safety levels. A motorised unit with a test speed was defined at 200mm/min as the system needed to be simple to use in a production environment and provide consistent results.

Solution


The cloth material was clamped in a 'Double Action Vice Grip' with 50mm wide faces coated with non-slip rubber to enhance the gripping strength. The diamante attachment was loaded from the front into a slotted claw fixture, ready for testing. For ease of loading the diamante into the fixture and also to help maintain a straight pull, the 'Diamante Fixture' was connected to the force gauge via a flexible chain link. The peak tension load to remove/break the diamante was recorded at the fast data-acquisition speed of 1200 Hz.

System


  • 1000N UltraTest Motorised Test Stand (superseded by the MultiTest-dV series)
  • 500N AFG
  • Diamante Fixture
  • Double-action Vice Grip

Supplied to

S.R. Gent, Dewhirst Childrenswear, Coats Viyella

A Brand You Can Trust

"The MultiTest 0.5-i is a very good and reliable machine and the Emperor™ Software brings great advantages. It’s a very useful tool for these kinds of tests. It’s fully programmable and offers an in-depth analysis of results. It’s a precious tool for everybody involved, especially those who work with plastics and their mechanical performance"

Nikos Michopoulos, Quality Control, Eurofilm Mantzaris S.A.

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