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.

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