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…

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…

Sinumerik CYCLE88 Bore 4

Sinumerik CYCLE88 Bore 4

Sinumerik CYCLE88 Bore 4 In Sinumerik CYCLE88 “Bore 4″ cycle, a dwell time is effected on reaching the final drilling depth together with a spindle stop without orientation and a programmed…

Sinumerik CYCLE87 Bore 3

Sinumerik CYCLE87 Bore 3

Sinumerik CYCLE87 Bore 3 In Sinumerik CYCLE87 “Bore 3″ cycle, a spindle stop without orientation is effected on reaching the final drilling depth, followed by a programmed stop. By pressing the…

Sinumerik CYCLE86 Bore 2

Sinumerik CYCLE86 Bore 2

Sinumerik CYCLE86 Bore 2 In the CYCLE86 “Bore 2″ cycle, an oriented spindle stop is performed on reaching the drilling depth. The tool then travels at rapid traverse to the…

Sinumerik CYCLE85 Bore 1

Sinumerik CYCLE85 Bore 1

Sinumerik CYCLE85 Bore 1 In the CYCLE85 “Bore 1″ cycle, the inward and outward motions are performed at a feedrate that must be specified under the relevant parameters. Programming CYCLE85…

Sinumerik CYCLE840 Tapping with Floating Tapholder

Sinumerik CYCLE840 Tapping with Floating Tapholder

Sinumerik CYCLE840 Tapping with Floating Tapholder With Sinumerik CYCLE840 cycle, tapped holes can be produced with floating tapholder without encoder with encoder. For tapping without floating tapholder (rigid taping) CYCLE84…

Sinumerik CYCLE84 Rigid Tapping Cycle

Sinumerik CYCLE84 Rigid Tapping Cycle

Sinumerik CYCLE84 Rigid Tapping Cycle CYCLE84 produces tapped holes without using a floating tapholder. CYCLE84 can be applied only if the spindle designated for drilling is capable of working in the position-controlled spindle…

Okuma G76 Fine Boring Cycle

Okuma G76 Fine Boring Cycle

Okuma G76 Fine Boring Cycle G76 Fine Boring Cycle Programming G76 X__Y__Z__R__Q__(I__J__) P__F__ Parameters Parameter Description X,Y Coordinate values of hole position Z Hole bottom level R Point R level…

Okuma G74 Reverse Tapping Cycle

Okuma G74 Reverse Tapping Cycle

Okuma G74 Reverse Tapping Cycle G74 Reverse Tapping Cycle Programming G74 X__Y__Z__R__P__Q__F__ Parameters Parameter Description X,Y Coordinate values of hole position Z Hole bottom level In G90 mode: Position in…

Okuma G73 High Speed Deep Hole Drilling Cycle

Okuma G73 High Speed Deep Hole Drilling Cycle

Okuma G73 High Speed Deep Hole Drilling Cycle G73 High Speed Deep Hole Drilling Cycle Programming G73 X__Y__Z__R__P__Q__F__ Parameters Parameter Description X,Y Coordinate values of hole position Z Hole bottom…

Anilam G172 Rectangular Profile Cycle

Anilam G172 Rectangular Profile Cycle

Anilam G172 Rectangular Profile Cycle Anilam G172 Rectangular Profile Cycle cleans up the inside or outside profile of a rectangle. Programming G172 Xn Yn Hn Mn Wn Zn An Rn…

Anilam CNC G171 Circular Profile Cycle

Anilam G171 Circular Profile Cycle

G171 Circular Profile Cycle Anilam G171 Circular Profile Cycle cleans up the inside or outside profile of an existing circle. Programming G171 Xn Yn Hn Dn Zn An Rn Bn…

ANILAM CNC

Anilam CNC Program Comments

Comments in Anilam Programs In Anilam CNC programmer can use an asterisk (*) to make comments within a Program Listing or to mask all or part of a block from…

OSAI CNC Control

Osai DIS – Displaying a Variable Command

Osai DIS Command Osai DIS command allows values to be displayed to the operator. The control will show the value in the screen area that is reserved for communications with…

Osai CNC Control

Osai DGS (DCG) – Disable Graphic Scale Command

Osai DGS (DCG) Command Osai DGS command disables the graphic display, deletes the displayed profile, and removes the system of coordinates from the screen. After using the DGS command you…

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