Glossary Terms

Glossary-terms October 30, 2018

Number related to the applied load and to the projected area of the permanent impression made by a rhombic-based pyramidal diamond indenter…

Glossary-terms October 30, 2018

Knoop hardness test

Test for determining the hardness of a material in which calibrated machines force a rhombic-base pyramidal diamond indenter having specifi…

Glossary-terms October 30, 2018

knurling

Chipless material-displacement process that is usually accomplished on a lathe by forcing a knurling die into the surface of a rotating wor…

Glossary-terms October 30, 2018

knurling tool

Normally a lathe tool for impressing a design on a rod or handle to improve gripping or provide decoration.

Glossary-terms October 30, 2018

land

Part of the tool body that remains after the flutes are cut.

Glossary-terms October 30, 2018

lapping

Finishing operation in which a loose, fine-grain abrasive in a liquid medium abrades material. Extremely accurate process that corrects min…

Glossary-terms October 30, 2018

lapping compound, powder

Light, abrasive material used for finishing a surface.

Glossary-terms October 30, 2018

laser machining

Intensified, pulsed beams of light generated by lasers—typically carbon dioxide or neodium-doped yttrium aluminum garnet (Nd:YAG)—that dril…

Glossary-terms October 30, 2018

Process that removes material by focusing a concentrated laser beam onto the workpiece. The material is melted and vaporized. In the cavity…

Glossary-terms October 30, 2018

lathe

Turning machine capable of sawing, milling, grinding, gear-cutting, drilling, reaming, boring, threading, facing, chamfering, grooving, knu…

Glossary-terms October 30, 2018

finishing

Any of many different processes employed for surface, edge and corner preparation, as well as conditioning, cleaning and coating. In machin…

Glossary-terms October 30, 2018

finishing tool

Tool, belt, wheel or other cutting implement that completes the final, precision machining step/cut on a workpiece. Often takes the form of…