Glossary Terms

Glossary-terms October 30, 2018

Cast iron made by prolonged annealing of white cast iron in which decarburization and/or graphitization take place to eliminate some or all…

Glossary-terms October 30, 2018

mandrel

Workholder for turning that fits inside hollow workpieces. Types available include expanding, pin and threaded.

Glossary-terms October 30, 2018

manipulator

Arm or basic object-transferring device. Hands or gripping devices vary according to application, as do arm design and number of joints (ax…

Glossary-terms October 30, 2018

Management method, normally computer-aided, for cost-effective control of manufacturing support functions, such as inventory, production eq…

Glossary-terms October 30, 2018

maraging steels

Nickel in the amount of 18.5 percent is the principal alloying element in the maraging steels. Other alloying elements are cobalt, molybden…

Glossary-terms October 30, 2018

martempering

1. Hardening procedure in which an austenitized ferrous workpiece is quenched in a medium whose temperature is maintained substantially at …

Glossary-terms October 30, 2018

martensite

Formed during rapid cooling of austenite at the temperature rate higher than 500º F (260º C) per second. Such rapid cooling causes restruct…

Glossary-terms October 30, 2018

martensiting

Rapid quenching of carbon steel in the austenite state causes a new structure—martensite—to form. Martensite is extremely hard. See austeni…

Glossary-terms October 30, 2018

materials handling

Methods, equipment and systems for conveying materials to various machines and processing areas and for transferring finished parts to asse…

Glossary-terms October 30, 2018

M-code programming

Miscellaneous, or auxiliary, functions constitute on/off type commands. Used to control actions such as starting and stopping of motors, tu…

Glossary-terms October 30, 2018

mechanical properties

Properties of a material that reveal its elastic and inelastic behavior when force is applied, thereby indicating its suitability for mecha…

Glossary-terms October 30, 2018

medium-carbon steels

Group of carbon steels designated by American Iron and Steel Institute numerical classification as AISI 1029, 1030, 1034, etc., up to AISI …