The What
Project No. R00114 Shandong Chenming the glue applying roller, dynamic balance after the end, found a lot of dark protuberances on the roller surface drive side position of surface points in the packaging, the strengths of about 500mm from the surface.
Where
old workshop
When
2012 July 19th
Why
roller in dynamic balance, the operator put the thread hole with 243 glue roller end surface of the screw, the coated with glue more, in the rotating roller glue to throw around, and due to the roller transmission side position with an electric fan cooling, glue down when the electric fan blowing to the roller intermediate parts, lead to a lot of glue water droplets on the roll surface,Glue and roll surface chemical reaction, the roller surface blistering.
Corrective Actions
re grinding roller surface
Preventive Actions
roller in dynamic balance, the roller surface must be covered with film, prevent the roller surface has oil or other unknown liquid drops in on the roller surface of roller surface defects in.
Photos
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