Useful Die Casting Terminology
There are currently 8 names in this directory
A semifinished product of square, rectangular, or even round cross section, hot rolled, or forged. Producing billets or blooms from ingots by forging is called cogging, while by rolling it is called blooming.
Excess of ladled metal remaining in the shot sleeve of a cold chamber die casting machine. It is part of the cast shot and is removed from the die with the casting.
A disc-type forging produced by upsetting and rounding starting stock.
A surface bubble caused by gas expansion (usually from heating) which was trapped within the die casting or beneath the plating.
Voids or pores which may occur due to entrapped gas or shrinkage during solidification, usually evident in heavy sections (see porosity).
Machining a hole or enlarging an existing one with the objective of producing a more accurate hole than by drilling.
Bottom Poured Ingot
An ingot produced by pouring molten steel into a vertical trumpet where the steel flows down the trumpet, through runners, and then enters the ingot mold from the bottom. This method provides substantially improved surface quality and internal soundness, as well as ingot yield advantages, over top-poured ingots.
A measurement of metal hardness. A steel ball is forced into the surface of the material tested under a specific load. The diameter of the depression is measured, and the hardness is the ratio of load to spherical area of the impression.