fixture
Device, often made in-house, that holds a specific workpiece. See jig; modular fixturing.
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Glossary Terms
flame hardening
Hardening process in which an intense flame is applied to the surfaces of hardenable ferrous alloys, heating the surface layers above the u…
flank wear
Reduction in clearance on the tool’s flank caused by contact with the workpiece. Ultimately causes tool failure.
flash
Thin web or film of metal on a casting that occurs at die partings and around air vents and movable cores. This excess metal is due to nece…
flat (screw flat)
Flat surface machined into the shank of a cutting tool for enhanced holding of the tool.
flexible assembly system
System that can be programmed to assemble a family or group of similar assemblies. This typically is done with programmable robots. This sy…
flood application
Fluid applied in volume by means of a recirculating system composed of a reservoir, filters, chip-removal components, pump, hoses and posit…
flow stress
Uniaxial true stress at the onset of plastic deformation in a metal.
flows
Unintentional surface irregularities that occur at infrequent or varying intervals, such as cracks, blowholes, checks, ridges and scratches…
flushing hose
Hand-operated hose and nozzle added to machine’s cutting-fluid-application system to permit manual flushing of table and workpiece areas.
flutes
Grooves and spaces in the body of a tool that permit chip removal from, and cutting-fluid application to, the point of cut.
fluting
Cutting straight or spiral grooves in drills, endmills, reamers and taps to improve cutting action and remove chips.