Copyright © Philip M. Parker, INSEAD. Terms of Use.

DRILL-PRESS OPERATOR, NUMERICAL CONTROL

Specialty Definition: DRILL-PRESS OPERATOR, NUMERICAL CONTROL

DomainDefinition

Occupations

Sets up and operates numerically controlled drill press that automatically performs machining operations such as drilling, reaming, countersinking, $T3spot-facing,$T1 and tapping of holes in metal workpieces, according to specifications, setup instructions, and knowledge of machining: Studies blueprints or setup instructions to determine dimensional specifications, setup requirements, and work procedure. Installs workpiece holders, such as blocks, risers, and clamps, on $T3indexing$T1 table of machine, using machinist handtools. Lifts workpiece manually or with hoist and positions and secures it on machine table or in holding fixture with clamps and bolts. Installs cutting tools in tool magazine, turret, or spindle of machine. Inserts programmed tape or punched card in tape or card reader of control unit. Actuates machine that automatically positions indexing table containing workpiece under spindle, selects tool, and machines part according to programmed instructions. Stops machine after trial run and inspects machined workpiece to ensure conformance to blueprint specifications, using fixed gauges, dial indicators, micrometers, and calipers. Monitors machine operation and display panel of control unit for indications of malfunction. Notifies supervisor if machined workpiece does not conform to specifications or if machine malfunctions. May make manual adjustments, such as aligning workpiece on machine table, changing cutting tools, or setting cutting speed, feed rates, and depth of cut. May occasionally operate machine in semiautomatic mode by setting selector switch and manually dialing in data according to oral or written instructions to machine relatively simple pieces. (references)

Source: compiled by the editor from various references; see credits.

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Alternative Orthography: DRILL-PRESS OPERATOR, NUMERICAL CONTROL


Hexadecimal (or equivalents, 770AD-1900s) (references)

44 52 49 4C 4C 2D 50 52 45 53 53      4F 50 45 52 41 54 4F 52 2C      4E 55 4D 45 52 49 43 41 4C      43 4F 4E 54 52 4F 4C

Leonardo da Vinci (1452-1519; backwards) (references)

            

Binary Code (1918-1938, probably earlier) (references)

01000100 01010010 01001001 01001100 01001100 00101101 01010000 01010010 01000101 01010011 01010011 00100000 01001111 01010000 01000101 01010010 01000001 01010100 01001111 01010010 00101100 00100000 01001110 01010101 01001101 01000101 01010010 01001001 01000011 01000001 01001100 00100000 01000011 01001111 01001110 01010100 01010010 01001111 01001100

HTML Code (1990) (references)

&#68 &#82 &#73 &#76 &#76 &#45 &#80 &#82 &#69 &#83 &#83 &#32 &#79 &#80 &#69 &#82 &#65 &#84 &#79 &#82 &#44 &#32 &#78 &#85 &#77 &#69 &#82 &#73 &#67 &#65 &#76 &#32 &#67 &#79 &#78 &#84 &#82 &#79 &#76

ISO 10646 (1991-1993) (references)

0044 0052 0049 004C 004C 002D 0050 0052 0045 0053 0053      004F 0050 0045 0052 0041 0054 004F 0052 002C      004E 0055 004D 0045 0052 0049 0043 0041 004C      0043 004F 004E 0054 0052 004F 004C

Encryption (beginner's substitution cypher): (references)

385243464615505239535324950395235544952142485547395243373546237494854524946

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INDEX

1. Orthography
2. Bibliography


  

Copyright © Philip M. Parker, INSEAD. Terms of Use.