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Automatic Cupping Tester
TQC Automatic Cupping Tester to perform a cupping (Erichsen / Dent)
test on coated steel panels to define the resistance of paint, varnish
or related products to cracking and/or detachment from a metal
substrate when subjected to gradual deformation by indentation
under standard conditions.
The test is either used as a “pass / fail” test by testing to a specified
depth or defining the minimum depth at which a coating fails by
gradually increasing the indentation.
The ISO1520 standard requires panels to be slowly deformed at
a steady rate between 0,1 mm/s and 0,3 mm/s without interruption.
Especially with thicker steel panels hand-operated testers not
always allow an uninterrupted deformation.
The TQC Automatic Cupping Tester is driven by a micro-step
controlled electro motor which allows precise and steady
deformation with 0,01 mm steps. Operation is intuitive by
means of a jog-dial switch and a multi-lingual operating menu
on a large illuminated display.
An integrated LED powered sample illumination system comforts
examining the coating under test. To guarantee maximum visibility
of all possible types of surface including high gloss, matte or colored
samples the angle of the LED light can be set. Choose light from just
one or all directions. The strength of the LED’s is adjustable but also
the colors can be changed to achieve maximum contrast.
Mandatory test in Qualicoat and QIB accredited laboratories.
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