Intermediate Level CNC Program Examples

CNC program example to show how two combined arc can be programmed with G02 G03 for a cnc lathe. First arc is programmed using G02 R, but the second arc is…

CNC program example to cut Quincunx on a CNC Plasma Cutting Controller. This program example is programmed in G91 Incremental programming. What is a CNC Plasma Cutting Machine Plasma Cutting…

CNC Program example code with drawing to show how an arc can be milled on a cnc milling machine. G02 Circular interpolation Clockwise with I & J is used for…

CNC program example code to show how Fanuc G68 Coordinate rotation g-code can be used in a subprogram to take most benefit from it’s functionality. G68 Coordinate Rotation Example Main-program N5…

Fanuc G71 Turning Cycle G71 turning cycle is used for rough-material removal from a cnc lathe component. G71 turning cycle makes large diameter cutting easy. Cutting can be done in simple…

G81 drilling cycle is used for simple drilling/spot drilling operations. Syntax G81 X… Y… Z… R… K… F… Parameter Description X Hole position in x-axis. Y Hole position in y-axis. Z…

G82 drilling cycle is also called G82 counter boring cycle. G82 is a normal drilling cycle the only difference is that it dwell for specified time at the bottom of…

G83 peck drilling cycle perform the drilling operation in multiple pecks, this technique makes deep-hole drilling easy and economical. Cutting feed is performed intermittently to the bottom of the hole…

G84 tapping cycle performs tapping operation, tapping is performed by rotating the spindle clockwise, when bottom of the hole has been reached, the spindle is rotated in the reverse direction for…

Fanuc programming example which shows the use of multiple fanuc canned cycle in cnc programming, Following canned cycle are used in this cnc lathe programming example G71 Rough Turning Cycle…

G81 drilling cycle program example which shows how a step block can be drilled economically. The cnc program code is self explanatory, no complex technique is used. G81 Drilling Two…

Haas lathe programming example to illustrate the use and programming of Haas G72 Type I Rough Facing Cycle/ G70 Finish Cycle. The above code will also work on cnc lathe…

Fanuc lathe programming example which uses Fanuc canned cycle G71 Turning Cycle G70 Finish Cycle G74 Peck Drilling Cycle This Fanuc lathe programming example illustrates who to use G71 Turning…

CNC programming exercise for cnc lathe machinists who work on Fanuc cnc control (or similar cnc control). This cnc programming exercise use Fanuc G71 Turning Cycle Fanuc G74 Peck Drilling…

G71 Turning Cycle G71 Rough Turning Cycle example code. This cnc program code works on Fanuc and similar cnc controls. G71 Rough Turning Cycle parameters explanation CNC Fanuc G71 Turning…

A very simple cnc programming example which shows how a contour can be repeated multiple times with the added benefit of pecking. So like peck drilling this time cnc machinists…

Basic CNC Canned Cycle Example Program for Newbie CNC Machinists A basic cnc programming exercise for newbie cnc machinists / newbie cnc programmers who have just to start their professional…

CNC programming example for Fanuc G73 pattern repeating cycle. Fanuc G73 Pattern Repeating Cycle has already been described here CNC Fanuc G73 Pattern Repeating Cycle You might like other Fanuc…

Fanuc G73 pattern repeating cycle helps cnc machinists to program/maintain/debug rough material removal programs easy. Other Fanuc canned cycle like G71 Longitudinal cutting cycle or G72 Facing Cycle removes the…

Here is a Fanuc subprogram example which shows, how cnc machinists can make their cnc programs easier to write and maintain by useing sub-programming method. CNC Sub Programs Sub-programming is…

CNC program which shows the use of G81 Drilling Cycle G84 Tapping Cycle. As G81 drilling cycle has already been briefly explained here G81 Drilling Canned Cycle – CNC Mill…

CNC basic programming exmaple for cnc programmers/machinists who work on Mazak / Fanuc cnc controls. This cnc code example shows the use of G71 Longitudinal Roughing Cycle. G71 Turning Cycle…

Here is another cnc programming example which shows the use of Fanuc G72 Facing Cycle. Fanuc G72 facing cycle comes in two format for different fanuc cnc controls. Fanuc G72…

As canned cycle for cnc machines looks difficult to learn and program for beginner level cnc machinists, but they pay off in long run. As canned cycle makes cnc machinists…

CNC machine workshops deal with variety of components, of course cnc machinists program and machine them. But a cnc machinists also should understand and practice new and economical ways to…

Here is another G81 drilling cycle programming example which illustrates the use of repeat drilling in G91 Incremental Programming Mode. Other CNC program example is here G81 Drilling Cycle –…

G84 tap cycle is one of the mostly used function of CNC machining centers. This G84 tapping cycle example program illustrates the use of tapping in an easy to understand…

CNC programming example code for the G83 Peck Drilling Cycle. G83 deep hole peck drilling cycle makes the drilling of deep holes a breeze. As with G81 drilling cycle you…

G82 drilling cycle with dwell can be used for normal drilling where bottom of the hole need more accurate machining. Otherwise if you just want a drilling cycle without a…

This cnc program example explains the use of G81 Drilling cycle but this time the tool is not positioned in the usual way (G90 absolute programming mode) but this time…

A complete cnc part-program which shows how G98 and G99 (canned cycle return level) work with G81 drilling cycle and G83 peck drilling cycle for drilling of a component which…

CNC program example for cnc vertical machining centers illustrates the use of G81 drilling cycle. CNC milling machine controls like Fanuc, Haas etc, has many standard canned cycles built-in the…

Fanuc G81 drilling cycle is used for simple drilling operations, so here is a cnc program example which demonstrates how G81 drilling cycle can be used. CNC Program N1 T1…

Fanuc G94 One Pass Facing Cycle Fanuc G94 G code is used for rough facing. Fanuc G94 facing cycle is used for simple facing (one-pass facing) however multiple passes are…

CNC program for the internal threading with G76 threading cycle on fanuc controls 21i/18i/16i. For an example of external threading with G76 threading cycle read External Thread Cutting with G76 Threading…