Fanuc Cnc Milling Programming Examples – Home Browse Sample CNC Programming Tutorials G and M Codes_ An example G and M programming tutorial for beginners and advanced CNC operators. (PDF Unit)
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Fanuc Cnc Milling Programming Examples
Sample G and M Code CNC Programming Tutorials_ Sample G and M Code Programming Tutorials for Beginners and Advanced CNC Operators. (PDF Unit)
Special Motion Types Special Interpolation Types Helical Motion
Description: Sample CNC Programming Tutorials G and M Codes_ An example G and M programming tutorial for beginners and advanced CNC operators. (PDF Unit)
Direction G54 Workpiece coordinate system selection 1 G90 Absolute command G91 Incremental command M06 Tool change T Tool S Speed F Feed ————— G41 G40 Example of tool radius compensation CNC milling program Cut radius compensation The example program shows how G41, G40 can be used in CNC milling application. The cutter radius compensation code used in this program is: • G41 left cutter radius compensation • G40 cutter radius compensation Cancel Example of cutter radius compensation G41 G40 example of cutter radius compensation N5 G00 G54 G64 G90 G17 X20 Y-20 Z50 N10 M50 F15. DIA) N15 C0 N20 Z5 N25 G01 Z0 N30 Z-5 N35 G41 X0 Y0 N40 X-48 N45 X-68 Y72 N50 X-28 N55 Y44 N60 X12 Y32 N65 X0 Y0 N70 G40 N65 X0 Y0 N70 G40 N20 Y-20 Z0 Z0 M30 Finished part After finishing the machining process, the part will look like Cutter Radius Compensation CNC Finished Part Example G Code G00 Explanation: Rapid traverse. G54 : Zero offset no. 1. G64 : Continuous path mode. G90: absolute dimensioning system. G17 : X-Y plane selection. G41 : Cutting Radius Compensation Enabled (Motion Left) G40 : Cutting Radius Compensation Disabled S : Spindle Speed F : Axis Movement Feedrate M : Cutter Rotation (3 = Clockwise, 4 = Counterclockwise Time) D : Tool Correction No. ———— Siemens Sinumerik Milling Programming Example A very simple cnc milling program example that will show cnc machines how to use Siemens Sinumerik milling programming concepts. This program is for 4 axis cnc milling machines where C is used for rotary table. But a simple CNC milling machine can also run this program, just remove the N15 program block Contents • Sinumerik milling program full part G code explanation Sinumerik milling program Sinumerik milling program example N5 G00 G54 G64 G90 G17 X-20 Y -20 Z50 N10 S450 M03 F250 D01 (12.5MM diameter) N15 C0 N20 Z5 N25 G01 Z0 N30 Z-5 N35 G42 X0 Y0 N40 X30 N45 Y30 N50 X0 N55 Y0 N60 G40 X-20 Y-20 N65 N After machining 5M Z30 N7, is finished. the finished part will look like this explanation of the G code G00 – rapid traverse. G54 – Zero offset no. 1. G64 – Continuous path mode. G90 – Absolute dimensioning system. G17 – Selection of the X-Y plane. G42 – Cutting Radius Compensation Activation G40 – Cutting Radius Compensation Cancellation M03 – Cutter Rotation Clockwise S – Spindle Speed F – D Axis Movement Feedrate – No Tool ——– —- Fanuc CNC Lathe Programming Exercise G71 Peck Drill Cycle, G74 Peck Drill Cycle CNC programming exercise for cnc turners working with a fanuc cnc control (or similar cnc control). This CNC programming exercise uses the Fanuc G71 turning cycle Fanuc G74 pecker drilling cycle Contents • CNC lathe programming exercise ◦ Tools and operations used CNC lathe programming exercise Fanuc CNC lathe programming exercise G71, G74 cycles N10 G40 G74 cycles N10 G40 G090 N107 G990 N107 G900 N107 S0240 M4 N90 G00 X72. Z0.1 N100 G01 X-1.6 F0.12 M7 N110 G00 X150. Z150. N120 M5 N130 M9 N140 T0303 N150 G97 S2500 M3 N160 G00 X0. Z3. N170 G01 Z-6. F0.1 M7 N180 G00 Z2. N190 G00 X150. Z150. N210 T0707 M7 N220 G97 S0884 M3 N230 G00 Z3. N240 G00 X0. N250 G74 R1.0 N260 G74 X0.0 Z-68.326 Q18000 F0.22 N380 G00 X200. N400 G00 Z100. N500 T0404 M7 N510 G50 S3500 N520 G96 S0240 M4 N530 G00 Z1. N540G00X70. N550 G71 U4. R1 N560 G71 P570 Q650 U0.6 W0.2 F0.35 N570 G42 G00 X24. N580 G01 Z0. N590G01X28. Z-2. N600 G01 Z-72. N610 G02 X32. Z-74. I2. K0. N620 G01 X62. N630 G01 X68. Z-77. N640 G01 Z-90. N650 G40 N660 G00 X150. N680 G00 Z70. N690 T0202 M7 N700 G50 S4500 N710 G96 S0380 M4 N720 G00 X16. Z3. N730 G42 G01 Z0. F0.1 N740 G01 X24. N750G01X28. Z-2. N760 G01 Z-72. N770 G02 X32. Z-74. I2. K0. N780 G01 X62. N790 G01 X68. Z-77. N800 G01 Z-90. N810 G40 N820 G00 X150. Z150. N830 M5 N840 M9 N850 M30 Used Tools and Operations • T0101 Turning Tool – Roughing Surface • T0303 Center Drill – Center Boring • T0707 Rotary Drill – Drilling • T0404 Turning Tool – Roughing • T0202 Turning Tool – Finishing — —- – — Example of CNC program for the repetition cycle of the Fanuc G73 model Code Example of CNC programming for the repetition cycle of the Fanuc G73 model. The Fanuc G73 pattern repeat cycle has already been described here Fanuc G73 CNC pattern repeat cycle You may like other examples of Fanuc G73 CNC pattern repeat cycle Fanuc G73 pattern repeat cycle CNC program example Repeat canned cycle G73 Fanuc Pattern Basic Program G73 Fanuc Pattern Repeat Program Programming Example This example CNC program also shows how CNC operators can use ‘W’ instead of ‘Z’ for moves in the z-axis direction. Fanuc Pattern Repeat Cycle Program Example G73 N010 G00 X260.0 Z80.0 N011 G00 X220.0 Z40.0 N012 G73 U14.0 W14.0 R3 N013 G73 P014 Q020 U4.0 G73 P014 Q020 U4.0 W2 .0 F0. 3 G24 G2018 .0 Z2.0 N015 G01 W-20.0 F0.15 S0600 N016 X120.0 W-10.0 N017 W-20.0 S0400 N018 G02 X160.0 W-20.0 R20.0 N019 G01 W-18000. P014 Q020 N022 G00 X260.0 Z80.0 N023 M30 ————— Fanuc G73 Pattern Repeat Ready Cycle Basic CNC Sample Program Fanuc G73 Pattern Repeat Cycle helps CNC operators to program/maintain / debug raw material removal programs are simple. Another Fanuc canned cycle, such as the G71 slitting cycle or the G72 finishing cycle, removes rough material by cutting straight. However, the repeating cycle of the Fanuc G73 model removes rough material, cuts along the contour. Thus, from the first cut, the G73 pattern repeat cycle cuts the same shape as the cut component. Contents • Fanuc G73 Pattern Repeat Cycle Format • Fanuc G73 Pattern Repeat Cycle Program Example Fanuc G73 Pattern Repeat Cycle Format G73 U W R G73 P Q U W F Fanuc G73 G73 Pattern Repeat Conserved Cycle First Block of CNC Program U – escape distance and direction on X-axis (radius value) This is the amount of material that will be cut on the x-axis. W is the Z-axis escape distance and direction. This is the amount of material that will be cut on the z-axis. R – number of sections. The outline of the number will be repeated. G73 is the second block of the CNC program. P – Start sequence no. Q – End of Sequence No. U – Finishing allowance on the x axis. W – z axis fit tolerance. F – Cutting feedrate (G73 during the conservation cycle). Example of Fanuc Pattern Repeat Cycle Program G73 Fanuc Pattern Repeat Canned Cycle G73 CNC Sample Basic Program N10 G50 S2000 T0300 G96 S200 M03 G00 X35.0 Z5.0 T0303 Z0 G01 X-1.6 F0.2 G01 X70. 0 W2.0 R2 G73 P12 Q16 U0.5 W0.1 F0.25 N12 G00 G42 X20.0 Z2.0 G01 Z-10.0 F0.15 G02 X40.0 Z-20.0 R10.0 G01 Z-30.0 X60.0 Z-50.0 N16 G40 U1.0 G70 P12 Q16 G00 X200.0 Z200.0 T0300 M30 —————— CNC machining center programming example This is a programming CNC machining center example or vertical machining center (VMC) programming exercise. Simple and easy to understand for beginner cnc machinists / cnc programmers. It also illustrates the use of the left side of CNC G code G41 cutter radius compensation. CNC machining center programming example CNC machining center programming example O0010 N10 G00 X-15 Y-15 N20 G41 G01 X0 Y0 F100 N30 Y40 N40 X30 Y80 N50 X60 N60 G02 X100 Y40 R40 N60 G02 X100 Y40 R40 N70 N7 N1 G0 X0 Y0 G01 – 15 Y-15 —————- G02 G03 G Code Circular Interpolation Example Program This article explains the use of the G02 G03 G code. G02, G03 is used for circular interpolation in CNC programming. Contents • G02 G03 G code circular interpolation • G02 G03 G code sample CNC programs (G code arc examples) • G02 G03 G code sample program • G code G02 G03 I&K sample program G02 G03 G code circular interpolation G code G02 G code Clockwise arrow Circular interpolation. G03 G code Counterclockwise circular interpolation. There are several cnc program articles/examples on G-code circular interpolation, here is a list of several articles so that cnc machinists can easily navigate through different cnc programming articles. G02 G03 G Code Example CNC Programs (G Code Arc Examples) • CNC Circular Interpolation Tutorial G02 G03 • CNC Fanuc Lathe Programming Example • CNC Programming Example G Code G02 Clockwise Circular Interpolation •
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