Why Can a Tiny Scratch Send a PV Module Aluminum Frame Back for Rework?
Sep 02, 2026
On a PV module aluminum frame production line, some quality defects are immediately visible, while others appear only under particular lighting and viewing angles.
A fine scuff, a minor impact mark or a shallow indentation may seem unlikely to affect a frame's basic function. Yet it can require rework or even prevent the product from moving to the next production stage.
For PV module aluminum frames, quality is reflected not only in strength and dimensions, but also in the integrity and consistency of every surface.
A Small Scratch Can Indicate a Larger Problem
PV module aluminum frames must perform outdoors over the long term and fit closely with glass, sealing materials, corner keys and mounting systems.
Surface scuffs, impact damage and indentations can have several consequences.
First,...
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