Glossary
Jet pulverizer
A machine that comminutes metal pieces, ores, or agglomerates.
Jig
Mechanism or fixture for holding a part and/or guiding the tool during machining, spraying or assembly operation.
Joint
The location where two or more members meet, are to be met, or have been fastened together.
Joint clearnance
The distance between the faying surfaces of a joing.
Joint design
Joint deometry, including the required dimensions of the welded/brazed/bonded joint.
Joint geometry
The shape and dimensions of a joint in cross section.
Journal
The part of a shaft or axle that rotates or oscillates relative to a radial bearing. A journal is part of a larger unit, such as a crankshaft. It is preferred that the term "shaft" be kept for the whole unit.