J Is for Jig Grinder
Metalworking Glossary for the Letter J
See the index to the Glossaries here:
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- Jacobs Chuck. A common term for the modern drill chuck, it is so named because the original was invented in 1902 by Arthur Irving Jacobs. It was the first drill chuck with a toothed sleeve and key, and a...
I Is for Inclusion
Metalworking Glossary for the Letter I
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- Idler. One or more gears placed between two geared shafts to transfer the rotation from one shaft to the other without changing their speed or ratio.
- Inch per Tooth. Abbreviated as IPT, it is the measur...
H Is for Heat Treatment
Metalworking Glossary for the Letter H
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- Hacksaw. A metal blade of hardened steel with small, close teeth on one edge. The term hacksaw also refers to the U-shaped frame mounted on a handle that holds such us blade under tension.
- Hammer. ...
G Is for Gearhead
Metalworking Glossary for the Letter G
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https://www.gearheadsurplus.com/blog/2295-metalworking-glossary.html
- G-code. The most common coding language used with a CNC machine to direct the movement, speed, and other functions of the machine in a specific operation.
- Gang Drill. A gang drill has several independent...
F Is for Feed Rate
Metalworking Glossary for the Letter F
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https://www.gearheadsurplus.com/blog/2295-metalworking-glossary.html
- F.A.O. An abbreviation that stands for “finish all over” and designates the amount of additional stock needed for the forging to be at the correct dimensions once all surfaces have been machined.
- Fabric...
E Is for End Mill
Metalworking Glossary for the Letter E
See the index to the Glossaries here:
https://www.gearheadsurplus.com/blog/2295-metalworking-glossary.html
- Eccentric. Also called off-center, it is a circle that does not have a geometric center. The term eccentric also applies to a device such as a crankshaft or a cam for converting rotary motion to reciprocati...