CNC Programming Tutorials

CNC Programming Tutorials G-Codes Program Examples

CNC lathe machine

What is CNC?

What is CNC? Nothing more than a simple Mill or Lathe with a computer control accompanied to control it’s working. Conventional Machines Conventional mill/lathe are controlled by machinists, machinists can…

LED edge finder

How to Set Up CNC Milling Machine

How to Set Up CNC Milling Machine? Before answering this question “How to Setup CNC Milling Machine”, there are many factors that have to be considered. Is the machine a…

Fanuc CNC Control

CNC Program Block

This article is not just for starter level cnc machinists, others can read it as a refresher to their cnc programming skills. While seeing a cnc program on a cnc…

CNC Milling Machine Programming Example for Beginners

CNC Milling Machine Programming Example for Beginners

CNC Mill Program Example A very simple cnc milling machine programming tutorial for beginner level cnc machinists. An easy to understand cnc mill programming code. This is a cnc g code example without the use…

Boring Bar Diameter to Length Ratio Recommendations for CNC Machinists

Boring Bar Diameter to Length Ratio Recommendations for CNC Machinists

When doing any operation on a lathe, all parameters are critical and should not be overlooked. There are industry standards and recommendations for SFM, feedrates, insert geometry, workholding, etc., that…

CNC Programming for CNC Machinists

CNC Programming for CNC Machinists

CNC Programming is not that difficult to learn and master, specially cnc programming for cnc lathe machines. Because cnc lathe machines have only two axis to work with X-axis and…

CNC M41 M42 M-Codes for Gear Range Selection

CNC M41 M42 M-Codes for Gear Range Selection

CNC lathe machines work at low spindle speeds like 100 ~ 200 RPMs, and sometimes CNC lathe machines work at 5000 RPMs. This all speed selection is component operation dependent….

Tool Offsetting in CNC Lathe with Fanuc Control

Tool Offset in CNC Lathe with Fanuc Control

There are variety of cnc machines in the market, and almost every cnc machine in a cnc workshop has different kind of cnc machine controls if controls are not different they might…

CNC Zero Return or Reference Point Return

CNC Reference Point Return

What is CNC Machine Reference Point? You are operating a cnc machine sometimes in auto mode and other times in jog mode. But all the time the values which a cnc operator…

Multi Start Threads with Fanuc G76 Threading Cycle

Multi Start Threads with Fanuc G76 Threading Cycle

Fanuc cnc controls has no direct threading cycle for cutting multi start threads on cnc. But you can cut multi start threads on a cnc with fanuc control by using…

Controlling Dry Run Feed through CNC machine Handwheel

CNC Dry Run

Today I am gonna show you the power and the flexibility the cnc machine manufacturers and cnc control manufacturers give a cnc machine setter by integrating the Dry Run on…

CNC Setter

CNC Setter Job Description

An outline of cnc machine setter or cnc setter duties Operates the cnc machine when cnc machine operator is on vacations. ha ha ha… Operates the cnc machine with full…

General Turning Insert Nomenclature for CNC Dummies

General Turning Insert Nomenclature for CNC Dummies

General turning inserts come in variety of shapes and sizes. One thing is important to remember and understand is that every turning insert has a nomenclature associated with it. These general…

CNC Operating Modes Jog Mode MDI Mode Auto Mode Single Block Mode

CNC Operating Modes

Every CNC machine has couple of Modes or I call it Standard Working Modes , such as Auto Mode, Single Block Mode, MDI (Manual Data Input) and Jog Mode and…

Threading Insert Nomenclature for CNC Dummies

Threading Insert Nomenclature for CNC Dummies

Today I am going to explain the threading insert nomenclature which are used for threading on cnc machines. Of course there are plenty of different types of threading inserts and the…

Fanuc G75 Grooving Cycle CNC Program Example

Fanuc G75 Grooving Cycle CNC Program Example

I have posted about Fanuc G75 Grooving Cycle. The Fanuc G75 grooving cycle has multiple parameters, which can be set according to your needs. In this post here is a…

Simple CNC Programming Example

CNC Programming for Beginners a Simple CNC Programming Example

CNC programming is not a difficult task as many think, For beginners it will be useful if they divide the drawing in some smaller parts and start programming them. Actually…

Lathe CNC Programming Example

Lathe CNC Programming Example

This is a very simple lathe cnc programming example. This lathe cnc programming example is for beginners level cnc programmers or for novice cnc programmers. Just simple cnc contour programming….

CNC Programming for Beginners a CNC Programming Example

CNC Programming for Beginners a CNC Programming Example

Here is a cnc programming example for beginners, this cnc programming example is a starting step for cnc learning or CNC Programming for Beginners . Here you will find plenty of free…

Optional Block Skip or Block Delete function in CNC

CNC Optional Block Skip

If you have ever run a cnc machine you surely will have come across the Optional Block Skip. On some cnc machine controls it is also called Block Delete. “/”…

CNC Tool Measurement Systems like CNC Tool Presetter

CNC Tool Presetter and CNC Tool Measuring an Introduction

CNC machines provide the accuracy, wherever you will see cnc machine you will see mass productions, accurate components, and machining of very difficult and innovative type of components. In almost…

CNC Lathe Tool Turret Introduction for Beginners

CNC Lathe Tool Turret

CNC lathe machine tool turret is part of the CNC machine where all tooling is mounted. CNC lathe tool turret has an integral Disk like part (Tool turret disk) on…

cnc lathe program example

CNC Lathe Programming Example

A simple cnc lathe programming example. This cnc programming example will show how to program contours like chamfer taper grooves and arc. This cnc program will use two tools for…

Fanuc 31i cnc control

Fanuc 31i G Codes Machining Center – Fanuc 30i 31i 32i

Fanuc 31i G codes list for cnc machinists programmers who work on cnc machining centers with Fanuc 30i 31i 32i cnc controls. Fanuc CNC Controls Following list of g codes applies…

Andron Andronic 2060 CNC Control

Andron Andronic 2060 G Codes & M Codes

Andron andronic 2060 complete G codes & M codes list for cnc machinists who work on cnc machines with Andron andronic 2060 cnc controls. G Codes Andronic 2060 G Code Functions…

AMADA AE2510NT CNC Turret Punch Press

G & M Codes AMADA AE255NT AE2510NT CNC Turret Punch Press

AMADA AE NT Series CNC Turret Punch Press G-Codes and M-Codes for cnc machinists who work on Amada AE255NT / AE2510NT CNC turret punch presses. G Codes AMADA CNC Turret Punch Press…

Fill in the blank CNC Programming Test for CNC Machinists

Fill in the blank CNC Programming Test for CNC Machinists

A cnc programming test to complete the program, This cnc program consists of multiple arcs (radii) joint together. A good exercise for cnc programmers/machinists to test their cnc programming skills….

Milltronics Centurion 7 CNC

Milltronics Error Messages – Centurion 7

Milltronics Centurion 7 Error Messages complete list for cnc machinists programmers who work on Milltronics cnc machines Milltronics Error Messages 001 Invalid function number Note what just occurred and call for technical…

CB FERRARI 5-AXIS E520 CNC Elexa

C.B.Ferrari E560 Machining Centers M Codes

C.B.Ferrari Elexa E560 M Codes complete list for cnc machinists who work on C.B.Ferrari cnc machining centers. C.B.Ferrari E560 M Codes M Code Description M1 Programmed stop. M3 Clockwise spindle…

C.B.Ferrari S620 CNC E560

C.B.Ferrari E560 G Codes

C.B.Ferrari Elexa E560 G Codes complete list for cnc machinists who work on C.B.Ferrari cnc machining centers. C.B.Ferrari E560 G Codes G Code Description G0 Rapid positioning of the axes…

Fill in the blank CNC Programming Exercise Multiple Arcs

Fill in the blank CNC Programming Exercise Multiple Arcs

A cnc mill programming exercise with multiple arc joint together. This cnc programming exercise shows how to make program for the components which have multiple arcs, so cnc programmer have to…

Fill in the blank CNC Programming Milling Exercise

Fill in the blank CNC Programming Milling Exercise

A CNC Milling (machining center) program exercise to sharpen your programming skills. How to Solve? A drawing is given below with it’s complete cnc program, but some of the program…

Fill in the blank CNC Programming Exercise Outside Turning with Radius

Fill in the blank CNC Programming Exercise Outside Turning with Radius

CNC programming exercise to learn and test your cnc programming skills, you just have to fill the blanks in this programming exercise according to the given drawing. How to Solve? A…

Fill in the blank CNC Programming Exercise

Fill in the blank CNC Programming Exercise

This is a CNC lathe programming exercise. This exercise will help beginner level cnc programmers / machinists to easily learn cnc programming. How to Solve? A very basic drawing is…

Basic Drag Drop Game for CNC Programmers

Basic Drag Drop Game for CNC Programmers

A very simple and easy programming exercise for cnc programmers / machinists who have just started learning cnc programming. A drawing is given at the above and a cnc program…

CNC Programming Quiz- M Codes

M Codes – CNC Programming Quiz

Test your cnc programming skill by answering the quick Quiz questions. Evert cnc programmer/ machinist have to deal with G & M Codes. This quiz tests your knowledge of M…

cnc programming quiz- G codes

G Codes – CNC Programming Quiz

Test your cnc programming skill by answering the quick Quiz questions. This cnc programming quiz tests, how much do you know about G Codes and their functions. Note: this is…

Mitsubishi CNC Corner Chamfering

Mitsubishi CNC Corner Chamfering / Corner Rounding

Mitsubishi CNC Corner Chamfering / Corner Rounding On machining centers with Mitsubishi CNC the Chamfering at any angle or corner rounding is performed automatically by adding “,C_” or “,R_” to…

Makino Pro 3

Makino Pro 3 Program Protection

Makino Pro 3 Program Protection All programs stored in the directory are protected (from editing or accidental deletion) by a Memory Lock key switch. The Makino Pro 3 provides additional…

Fanuc CNC Direct programming of profile (angles and round edges) Example

Fanuc CNC Direct Programming of Profile (angles and round edges) Example

O0012; N10 G10 P0 Z-200; N20 T303; (PROFILING) N30 G50 S2200; N40 G96 G99 S230 F0.12 M4 M8 M200; N50 G0 X0 Z3; N60 G1 Z0 ; (P1) N70 ,A90…

CNC Cylindrical interpolation Program Example

CNC Cylindrical interpolation Program Example

O0005; N10 G10 P0 Z-165; N20 T404; N30 G50 S2000; N40 G96 S200 G99 F.2 M4 M8 M200; N50 G0 X69.282 Z2; N60 G1 Z-20; N70 G3 X69.282 Z-60 R40;…

CNC Program Outside Turning with Radius

CNC Program Outside Turning with Radius

O0004; N10 G10 P0 Z-110; N20 T303; N30 G50 S2500; N40 G96 S220 G99 F.2 M4 M8 M200; N50 G0 X30 Z2; N60 G1 Z-22; N70 G2 X40 Z-27 R5;…

CNC Lathe Inside Turning Boring Program Example

CNC Lathe Inside Turning / Boring Program Example

O0003; N10 G10 P0 Z-85; N20 T606; N30 G50 S2000; N40 G96 G99 S180 F.2 M4 M8 M200; N50 G0 X44 Z2; N60 G1 Z0; N70 X40 Z-2 F.15; N80…

Fanuc G87 Side Drilling Cycle Example to Drill 3 HOLES SPACED 120º

Fanuc G87 Side Drilling Cycle Example to Drill 3 HOLES SPACED 120º

Fanuc G87 Side Drilling Canned Cycle G87 Side drilling cycle is used to drill on the component diameter/side using driven tools. Read complete tutorial G87 Side drilling cycle Fanuc G87 Side…

Fanuc G87 Radial Drilling Cycle - CNC Lathe

Fanuc G87 Side Drilling Canned Cycle – CNC Lathe Fanuc Oi

Fanuc G87 Side Drilling Canned Cycle G87 Side drilling cycle is used to drill on the component diameter/side using driven tools. Fanuc G87 Side Drilling Canned Cycle works on FANUC Oi and…

Fanuc G87 Radial Drilling Cycle Programming Example

Fanuc G87 Radial / Side Drilling Cycle Programming Example

Fanuc G87 Radial Drilling Cycle Fanuc G87 Radial Drilling Cycle activates the side radial drilling cycle with driven tools. G87 Radial Drilling Cycle Example 4 radial holes at 20 mm from the…

Fanuc G87 Radial Drilling Cycle - CNC Lathe

Fanuc G87 Radial Drilling Cycle – CNC Lathe Side Drilling Fanuc 21i/18i/16i

G87 Radial Drilling Cycle Fanuc G87 Radial Drilling Cycle activates the side radial drilling cycle with driven tools. Fanuc G87 Radial Drilling Cycle works on FANUC SERIES 21i/18i/16i– TA and…

CNC Machine Lock Auxiliary Function Lock Functions

CNC Machine Lock

CNC Machine Lock CNC machine lock is very handy function for testing a cnc program before actually making a part. In machine lock axis stay stationary on their positions, but…

GTCNC-150IT-II G Codes M Codes Programming

GTCNC-150iT-II G Codes M Codes

GTCNC-150iT-II G Codes M Codes GREAT-150iT-II or GTCNC-150iT-II G Codes M Codes for CNC Lathe. G Codes G Code Description G00 Rapid positioning G01 Linear interpolation G02 Helical interpolation CW G03 Helical…

GTCNC-60TT G Codes M Codes Programming

GTCNC-60TT G Codes M Codes

GTCNC-60TT G Codes M Codes GREAT-60TT or GTCNC-60TT G Codes M Codes for CNC Lathe. G Codes G Code Description G00 Rapid motion G01 Linear interpolation G02 Circular interpolation CW G03 Circular…

GTCNC-150iM-II G Codes M Codes

GTCNC-150iM-II G Codes M Codes Program Instructions

 GTCNC-150iM-II G Codes M Codes GREAT-150iM-II or GTCNC-150iM-II G Codes M Codes for Milling Machine & Machining Centers G Codes G Code Description G00 Rapid positioning G01 Linear interpolation G02…

Sinumerik POCKET2 Circular pocket milling

Sinumerik POCKET2 Circular Pocket Milling

Sinumerik POCKET2 Circular pocket milling With Sinumerik POCKET2 cycle, circular pockets can be produced. Sinumerik POCKET2 cycle is a combined roughing/finishing cycle. Programming POCKET2 (RTP, RFP, SDIS, DP, DPR, PRAD,…

Sinumerik POCKET1 Rectangular pocket milling

Sinumerik POCKET1 Rectangular Pocket Milling

Sinumerik POCKET1 Rectangular pocket milling With Sinumerik POCKET1 cycle, rectangular pockets can be produced in any location in the machining plane. Sinumerik POCKET1 cycle is a combined roughing/finishing cycle. Programming…

Sinumerik SLOT2 Circumferential slot

Sinumerik SLOT2 Circumferential slot

Sinumerik SLOT2 Circumferential slot With Sinumerik SLOT2 cycle, circular slots can be produced arranged on a circle. Sinumerik SLOT2 cycle is a combined roughing/finishing cycle. Programming SLOT2 (RTP, RFP, SDIS,…

Sinumerik SLOT1 Slots on a circle

Sinumerik SLOT1 Slots on a circle

Sinumerik SLOT1 Slots on a circle With Sinumerik SLOT1 cycle, slots can be produced arranged on a circle. The longitudinal axis of the slots has a radial orientation In contrast…

Sinumerik LONGHOLE Elongated holes on a circle

Sinumerik LONGHOLE Elongated Holes on a Circle

Sinumerik LONGHOLE Elongated holes on a circle With Sinumerik LONGHOLE cycle, elongated holes can be produced arranged on a circle. The width of the elongated hole is determined by the…

Sinumerik HOLES2 Hole Circle

Sinumerik HOLES2 Hole Circle

Sinumerik HOLES2 Hole Circle With Sinumerik HOLES2 cycle, a hole circle can be machined (BHC). Programming HOLES2 (CPA, CPO, RAD, STA1, INDA, NUM) Parameters Parameter Description CPA Center point circle/pocket,…

Sinumerik CYCLE89 Bore 5

Sinumerik CYCLE89 Bore 5

Sinumerik CYCLE89 Bore 5 In Sinumerik CYCLE89 “Bore 5″ cycle, the inwards and the upwards movements are performed at the F value programmed before the cycle call. On reaching the final…

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