Erichsen Cupping Testing Machine

Erichsen Cupping Testing Machine is designed to reveal the cupping qualities of metal sheets and strips. It can be used for testing the connection, elasticity and penetrability of coats of paints or varnish by way of comparison.Sample width should be in between 50-90mm;Sample thickness should be in between 0.1-0.4mm. Overall dimension is 450*500*500mm, 500*525*525mm and so on. Used in Cupping, Elongation testing, and many another testing.

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Detailed Description for Erichsen Cupping Testing Machine

Erichsen Cupping Testing Machine is designed to reveal the cupping qualities of metal sheets & strips and also to test the linkage, elasticity, and porosity of coats of plants or varnish by way of comparison. Cupping testers are engaged in the testing of the elongation and deformability of varnishes and protective coatings applied to metal substrates. This kind of test is important because it lets one to test the durability of a lacquer or protective coating before the coating is applied to a product.

 

Operation: 

The cupping tester operates by using a punch to push upon the unpainted on the side of a layered panel until the painted side shows signs of deformation (cracks) in the coating. It is when clips start to appear that the lacquer or coating's robustness can be verified, this durability is known as the coating's flexibility rating.

 

The test can also be performed according to a predetermined depth. For example, if a covering needed a coating flexibility rating, then the tester would be set to a penetration in accordance with that rating, without the need to warp the coating until it fails.


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