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38 Cards in this Set
- Front
- Back
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N Code
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Block sequence number
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S Code
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Spindle Speed
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T Code
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Defines tool number
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G Code
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Prepatory Code
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G00
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Rapid Traverse (non-cutting move)
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G01
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Straight Line Interpolation (cutting move)
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G02
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Clockwise Circular Interpolation
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G03
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Counter-clockwise Circular Interpolation
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G04
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Dwell (wait) – Pause measured in seconds on all axes between motions (i.e., G04F2.3 is a pause for 2.3 s)
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G05
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Pause (wait for human intervention)
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G20
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Inch programming units
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G21
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Millimeter programming units
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G80
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Canned cycle cancel
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G81
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Drilling cycle
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G82
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Drilling cycle with dwell
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G91
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Relative coordinates
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F Code
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Feed Rate
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G90
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Absolute coordinates
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M Codes
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Miscellaneous Code
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M00
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Pause
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M01
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Optional Stop
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M02
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End of Program
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M03
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Spindle on
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M05
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Spindle Off
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M06
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Tool Change
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M08
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Accessory # 1 on
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M09
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Accessory # 1 off
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M10
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Accessory # 2 on
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M11
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Accessory #2 off
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M30
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Program end and reset
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M47
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Rewind (used for handshaking operations)
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;
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comment separator
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Word
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The programming expression formed when a letter (address) is combined with a number.
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Address Character
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A letter used in G & M code programming to designate a class of functions.
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G & M Codes
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Programming code used to control CNC machines.
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Preparatory Code
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Codes that carry out machining operations or establish machine settings
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Incremental
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A system in which each position is taken from the one prior. Also called relative.
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Absolute
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System in which positions are given with respect to a fixed point, usually the origin.
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