Din 66025 NC Programming Codes

Table of contents:

[1] What is CNC?
[2] How to Make CNC Program?
[3] Make Your First CNC Program
[4] G Code Introduction
[5] Modal G-Code- Learn G Code Programming
[6] One Shot G-Codes- Learn G Code Programming
[7] Mill/Lathe G/M-Codes- Learn G Code Programming
[8] Popular CNC G-Code Lists- Learn G Code Programming
[9] Din 66025 Programming- Learn G Code Programming
[10] M Code Introduction
[11] CNC Program Block
[12] Why to use Canned Cycles?
[13] Subprograms Basics
[14] CNC Machine Modes
[15] Speed and Feed Override
[16] Block Delete
[17] Dry Run
[18] Reference Point Return
[19] CNC Operating Modes
[20] CNC Reference Point Return
DIN stands for “Deutsches Institut für Normung”, meaning “German institute for standardisation”.
CNC related DIN standards
  • DIN 66025-1 Numerical control of machines, format; general requirements
  • DIN 66025-2 Industrial automation; numerical control of machines; format, preparatory and miscellaneous functions

Din 66025 NC Programming Codes
RS-274-D – A version of the G-code computer numerical control language, standardized by EIA.
Or
RS-274D is the standard for numerically controlled machines developed by the Electronic Industry Association

NC Programming as per ISO (DIN 66025) and RS274

Din 66025 G-Codes

  • G00 Rapid traverse
  • G01 Linear interpolation with feedrate
  • G02 Circular interpolation (clockwise)
  • G03 Circular interpolation (counter clockwise)
  • G2/G3 Helical interpolation
  • G04 Dwell time in milliseconds
  • G05 Spline definition
  • G06 Spline interpolation
  • G07 Tangential circular interpolation / Helix interpolation / Polygon interpolation / Feedrate interpolation
  • G08 Ramping function at block transition / Look ahead “off”
  • G09 No ramping function at block transition / Look ahead “on”
  • G10 Stop dynamic block preprocessing
  • G11 Stop interpolation during block preprocessing
  • G12 Circular interpolation (cw) with radius
  • G13 Circular interpolation (ccw) with radius
  • G14 Polar coordinate programming, absolute
  • G15 Polar coordinate programming, relative
  • G16 Definition of the pole point of the polar coordinate system
  • G17 Selection of the X, Y plane
  • G18 Selection of the Z, X plane
  • G19 Selection of the Y, Z plane
  • G20 Selection of a freely definable plane
  • G21 Parallel axes “on”
  • G22 Parallel axes “off”
  • G24 Safe zone programming; lower limit values
  • G25 Safe zone programming; upper limit values
  • G26 Safe zone programming “off”
  • G27 Safe zone programming “on”
  • G33 Thread cutting with constant pitch
  • G34 Thread cutting with dynamic pitch
  • G35 Oscillation configuration
  • G38 Mirror imaging “on”
  • G39 Mirror imaging “off”
  • G40 Path compensations “off”
  • G41 Path compensation left of the work piece contour
  • G42 Path compensation right of the work piece contour
  • G43 Path compensation left of the work piece contour with altered approach
  • G44 Path compensation right of the work piece contour with altered approach
  • G50 Scaling
  • G51 Part rotation; programming in degrees
  • G52 Part rotation; programming in radians
  • G53 Zero offset off
  • G54 Zero offset #1
  • G55 Zero offset #2
  • G56 Zero offset #3
  • G57 Zero offset #4
  • G58 Zero offset #5
  • G59 Zero offset #6
  • G63 Feed / spindle override not active
  • G66 Feed / spindle override active
  • G70 Inch format active
  • G71 Metric format active
  • G72 Interpolation with precision stop “off”
  • G73 Interpolation with precision stop “on”
  • G74 Move to home position
  • G75 Curvature function activation
  • G76 Curvature acceleration limit
  • G78 Normalcy function “on” (rotational axis orientation)
  • G79 Normalcy function “off”
  • G80 – G89 for milling applications:
  • G80 Canned cycle “off”
  • G81 Drilling to final depth canned cycle
  • G82 Spot facing with dwell time canned cycle
  • G83 Deep hole drilling canned cycle
  • G84 Tapping or Thread cutting with balanced chuck canned cycle
  • G85 Reaming canned cycle
  • G86 Boring canned cycle
  • G87 Reaming with measuring stop canned cycle
  • G88 Boring with spindle stop canned cycle
  • G89 Boring with intermediate stop canned cycle
  • G81 – G88 for cylindrical grinding applications:
  • G81 Reciprocation without plunge
  • G82 Incremental face grinding
  • G83 Incremental plunge grinding
  • G84 Multi-pass face grinding
  • G85 Multi-pass diameter grinding
  • G86 Shoulder grinding
  • G87 Shoulder grinding with face plunge
  • G88 Shoulder grinding with diameter plunge
  • G90 Absolute programming
  • G91 Incremental programming
  • G92 Position preset
  • G93 Constant tool circumference velocity “on” (grinding wheel)
  • G94 Feed in mm / min (or inch / min)
  • G95 Feed per revolution (mm / rev or inch / rev)
  • G96 Constant cutting speed “on”
  • G97 Constant cutting speed “off”
  • G98 Positioning axis signal to PLC
  • G99 Axis offset
  • G100 Polar transformation “off”
  • G101 Polar transformation “on”
  • G102 Cylinder barrel transformation “on”; cartesian coordinate system
  • G103 Cylinder barrel transformation “on,” with real-time-radius compensation (RRC)
  • G104 Cylinder barrel transformation with center line migration (CLM) and RRC
  • G105 Polar transformation “on” with polar axis selections
  • G106 Cylinder barrel transformation “on” polar-/cylinder-coordinates
  • G107 Cylinder barrel transformation “on” polar-/cylinder-coordinates with RRC
  • G108 Cylinder barrel transformation polar-/cylinder-coordinates with CLM and RRC
  • G109 Axis transformation programming of the tool depth
  • G110 Power control axis selection/channel 1
  • G111 Power control pre-selection V1, F1, T1/channel 1 (Voltage, Frequency, Time)
  • G112 Power control pre-selection V2, F2, T2/channel 1
  • G113 Power control pre-selection V3, F3, T3/channel 1
  • G114 Power control pre-selection T4/channel 1
  • G115 Power control pre-selection T5/channel 1
  • G116 Power control pre-selection T6/pulsing output
  • G117 Power control pre-selection T7/pulsing output
  • G120 Axis transformation; orientation changing of the linear interpolation rotary axis
  • G121 Axis transformation; orientation change in a plane
  • G125 Electronic gear box; plain teeth
  • G126 Electronic gear box; helical gearing, axial
  • G127 Electronic gear box; helical gearing, tangential
  • G128 Electronic gear box; helical gearing, diagonal
  • G130 Axis transformation; programming of the type of the orientation change
  • G131 Axis transformation; programming of the type of the orientation change
  • G132 Axis transformation; programming of the type of the orientation change
  • G133 Zero lag thread cutting “on”
  • G134 Zero lag thread cutting “off”
  • G140 Axis transformation; orientation designation work piece fixed coordinates
  • G141 Axis transformation; orientation designation active coordinates
  • G160 ART activation
  • G161 ART learning function for velocity factors “on”
  • G162 ART learning function deactivation
  • G163 ART learning function for acceleration factors
  • G164 ART learning function for acceleration changing
  • G165 Command filter “on”
  • G166 Command filter “off”
  • G170 Digital measuring signals; block transfer with hard stop
  • G171 Digital measuring signals; block transfer without hard stop
  • G172 Digital measuring signals; block transfer with smooth stop
  • G175 SERCOS-identification number “write”
  • G176 SERCOS-identification number “read”
  • G180 Axis transformation “off”
  • G181 Axis transformation “on” with not rotated coordinate system
  • G182 Axis transformation “on” with rotated / displaced coordinate system
  • G183 Axis transformation; definition of the coordinate system
  • G184 Axis transformation; programming tool dimensions
  • G186 Look ahead; corner acceleration; circle tolerance
  • G188 Activation of the positioning axes
  • G190 Diameter programming deactivation
  • G191 Diameter programming “on” and display of the contact point
  • G192 Diameter programming; only display contact point diameter
  • G193 Diameter programming; only display contact point actual axes center point
  • G200 Corner smoothing “off”
  • G201 Corner smoothing “on” with defined radius
  • G202 Corner smoothing “on” with defined corner tolerance
  • G203 Corner smoothing with defined radius up to maximum tolerance
  • G210 Power control axis selection/Channel 2
  • G211 Power control pre-selection V1, F1, T1/Channel 2
  • G212 Power control pre-selection V2, F2, T2/Channel 2
  • G213 Power control pre-selection V3, F3, T3/Channel 2
  • G214 Power control pre-selection T4/Channel 2
  • G215 Power control pre-selection T5/Channel 2
  • G216 Power control pre-selection T6/pulsing output/Channel 2
  • G217 Power control pre-selection T7/pulsing output/Channel 2
  • G220 Angled wheel transformation “off”
  • G221 Angled wheel transformation “on”
  • G222 Angled wheel transformation “on” but angled wheel moves before others
  • G223 Angled wheel transformation “on” but angled wheel moves after others
  • G265 Distance regulation – axis selection
  • G270 Turning finishing cycle
  • G271 Stock removal in turning
  • G272 Stock removal in facing
  • G274 Peck finishing cycle
  • G275 Outer diameter / internal diameter turning cycle
  • G276 Multiple pass threading cycle
  • G310 Power control axes selection /channel 3
  • G311 Power control pre-selection V1, F1, T1/channel 3
  • G312 Power control pre-selection V2, F2, T2/channel 3
  • G313 Power control pre-selection V3, F3, T3/channel 3
  • G314 Power control pre-selection T4/channel 3
  • G315 Power control pre-selection T5/channel 3
  • G316 Power control pre-selection T6/pulsing output/Channel 3
  • G317 Power control pre-selection T7/pulsing output/Channel 3
Note that some of the above G-codes are not standard. Specific control features, such as laser power control, enable those optional codes.

M codes

  • M00 Unconditional stop
  • M01 Conditional stop
  • M02 End of program
  • M03 Spindle clockwise
  • M04 Spindle counterclockwise
  • M05 Spindle stop
  • M06 Tool change (see Note below)
  • M19 Spindle orientation
  • M20 Start oscillation (configured by G35)
  • M21 End oscillation
  • M30 End of program
  • M40 Automatic spindle gear range selection
  • M41 Spindle gear transmission step 1
  • M42 Spindle gear transmission step 2
  • M43 Spindle gear transmission step 3
  • M44 Spindle gear transmission step 4
  • M45 Spindle gear transmission step 5
  • M46 Spindle gear transmission step 6
  • M70 Spline definition, beginning and end curve 0
  • M71 Spline definition, beginning tangential, end curve 0
  • M72 Spline definition, beginning curve 0, end tangential
  • M73 Spline definition, beginning and end tangential
  • M80 Delete rest of distance using probe function, from axis measuring input
  • M81 Drive On application block (resynchronize axis position via PLC signal during the block)
  • M101-M108 Turn off fast output byte bit 1 (to 8)
  • M109 Turn off all (8) bits in the fast output byte
  • M111-M118 Turn on fast output byte bit 1 (to 8)
  • M121-M128 Pulsate (on/off) fast output byte bit 1 (to 8)
  • M140 Distance regulation “on” (configured by G265)
  • M141 Distance regulation “off”
  • M150 Delete rest of distance using probe function, for a probe input (one of 16, M151-M168)
  • M151-M158 Digital input byte 1 bit 1 (to bit 8) is the active probe input
  • M159 PLC cannot define the bit mask for the probe inputs
  • M160 PLC can define the bit mask for the probe inputs (up to 16)
  • M161-M168 Digital input byte 2 bit 1 (to bit 8) is the active probe input
  • M170 Continue the block processing look ahead of the part program (cancel the M171)
  • M171 Stop the block processing look ahead of the probe input part program segment (like a G10)
  • M200 Activate the handwheel operation in the automatic mode (to introduce an offset in the program)
  • M201-M208 Select the axis (by number from 1 to 8) for the handwheel operation
  • M209 Activate the handwheel operation in the automatic mode, with PLC control of the axis selection
  • M210 Deactivate the handwheel input while in the automatic mode
  • M211 Deactivate this handwheel feature and also remove the handwheel offset (if any)
  • M213 Spindle 2 clockwise
  • M214 Spindle 2 counterclockwise
  • M215 Spindle 2 stop
  • M280 Switchable spindle/rotary axis, rotary axis on, first combination
  • M281 Switchable spindle/rotary axis, rotary axis on, second combination
  • M290 Switchable spindle/rotary axis, spindle enabled, first combination
  • M291 Switchable spindle/rotary axis, spindle enabled, second combination
Note: Other machine functions, like tool change (usually M06) or coolant control, have their M-code value specified by the PLC application not by the CNC software. Most of the M-code values in above list are configurable.
Other M-codes (up to M699) can be handled by the PLC application based on the particular machine requirements.

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