Tips on machining base plates for gauges. (includes related article)

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Choosing a material for the base involves factors like as cost and
machinability, on the contrary the final challenge is to machine it flat and parallel.

Base plates for gauges are made from different materials depending
on the application and required tolerances. The greatest in quantity popular materials
are cast iron, hot-roll carbonized iron cold-rolled steel, pre-heat treated
4140 carburet of iron and 6061-T aluminum tooling plate. All of the materials
are either pre-machined by the agency of a vendor or machined to size from raw material,
which is an affordable alternative to buying a custom-made plate.

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