Engineering and Presswork Glossary of Terms
For anyone outside of the presswork industry and looking into the world of metal pressings, presswork terminology can sometimes
be confusing. That’s why we have included a Glossary of commonly used presswork terms on our website – which will explain
exactly what is meant by terms such as pressing, stamping, deep drawing.
If you require any further explanation, please contact a member of our team.
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A-D | E-H | I-L | M-P | R-T | U-Z
M
Marking tools
A machined punch which embosses a mark onto a component.
Medium Volume
Component volumes between 50,000 and 250,000
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Microprocessor control
A computer installed within a press which stores various data including tool references, feeder settings and CAM settings.
Modular Tooling
Tooling which is made up from interchangeable units.
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Molybdenum disulphide
A graphite lubricant.
Multi stage pressing
A component which is mechanically transferred down a series of tools
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N
Notching
A process for cutting notches into components.
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O
Oxidised layer
The first stages of rust.
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P
Perforating
A process of piercing small holes onto the surface of a component.
Phosphate
A surface finish to prevent rusting.
Pickling
A method of acid dipping to brighten the surface on brass and copper.
Piercing
Produces holes of various shapes and sizes in a component.
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Plannishing
The flattening and levelling of a component.
Plunging
A method of extruding an elongated hole from a pre pierced component.
Powder metrology
Powder sintered material which when put into an oven become a solid.
PPAP (Production Part Approval Process) data
Package of information which is required to be supplied to a customer with any new component.
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Pressed metal component
A component produced out of flat metal strip.
Progression press
A machine which enables production from a coil of raw material, the component is transferred mechanically through a series of stages to produce a finished component. Material utilisation is less efficient than on a transfer press, but this is offset since operating speed is faster.
Punch
The male part of a press tool which produces a hole in the component.
Punch radius
Calculated by multiplying the gauge of the material by a factor.
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