Click on following links for causes and solutions!
» Shiny streak spots on formed parts
» Part warpage
» Sheet tears when forming
» Poor definition, detail of forming
» Mark off lines, chill marks
» Surface marking on formed part
» Sheet whitening
» Nipples on tool side of formed part
» Sag variation between blanks
» Excessive shrinkage or part distortion after tool removal
» Excessive wall thinning
» Thin corners in deep draw
» Shrink marks in corners (inside radii of tool)
» Part sticking to tool
» Sheet sticking to plug assist
» Pre-stretch bubble non-uniform
» During service, corners cracking
