B.O.B. problem in extrusion processing The vast majority of the “ Billet on Billet “ or “ Blok on Blok, “ ( B .O.B. for short ) problems are from the welding seam lines in the hollow profiles and the ends of the profile for very wide flat dies that use a spreader plate to provide sufficient feed to

TONGUE RATIO CALCULATION IN EXTRUSION DIE DESIGNThis calculation will supply a value in the form of a ratio between the opening (or neck) ofa tongue detail to the total surface area of the tongue itself. The calculation will supply anindication as to the strength of any such tongue and the likelihoo

Die blocking due to operating factorsThe operation factors lead to the blockage of the die, and how to reduce or avoid the blockage of the die in the operation to obtain the correct specific die profile information and material head (tail) and samples as soon as possible, for the correction of quali