TOP FIVE ** MUST KNOW ** G Codes You Will Use For & How To Use Them on your cnc, Router Laser, gcode

Timestamps listed below

This video covers the basic codes you need to know for CNC. They are G0, G1, G20, G21 & G28

If you are new to CNC, you must understand G-code and the top 5 codes you will need to know.

G-code is the language CNC machines use to move through various motions. In other words, if you want the machine to move, it must have g code commands to tell it how to move. G-code and CNC machines are married. They cannot work without each other.

This video covers the top 5 you will need to know about when getting into CNC machining or routing. These work in any CNC machine that uses gcode, including routers and lasers.

This works for all CNC machines, routers, lasers, bobscnc, shapeoko, x-carve, xcarve, etc

This CNC code will get you started in your CNC endeavors.

The top 5 G-codes you must know in CNC are:
G0 - Linear rapid motion
G1 - Linear feed rate
G28 - Rapid to the home position
G20 - The machine will move in inches
G21 - the machine will move in millimeters

Timestamps
G0 & G1 - 1:11
G28 - 7:12
G20 & G21 - 8:33
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#gcode #cnc #g-code #cnc #cncrouters #cncforbeginners #idcwoodcraft

[kittyrings]

Never apologize for simplifying a process. My dear sir, you explained these codes to an 80 year old that understood you from the get go. More "so called teachers" could learn from you on how it is done. Thank you for this video.

[tonydevalt]

That was some very valuable information. Thanks so much for sharing.

[wfej]

Been CNC'ing for over two years and I learn something new EVERY time I watch one of your videos. Thanks Garrett !

[mistywoodstradecraft]

For the past four months I never had to deal with G code with Vectrics and the Laguna Swift. Now I purchased a MillRight Power Route CNC and I'm in the G code and Universal G-code Sender universe. It has been a challenge setting up the sender and dealing with the g code and errors. Thank you for simply explaining these 5 basic g codes! Take care!

[SimPilot-dlzy]

You are a god send my friend. No one explains things better and in more detail than you do.

[brianheath]

We use G53 instead of G28 to send are CNC milling machines to home position. This is so you don't have use G0 G91 G28 X0 Y0 Z0;
Just use G0 G53 X0 Y0 Z0; to send home and machine stays in absolute so you don't stay in incremental by mistake. Also use standard (inch) mode because we use measuring tools that read in inches and metric to inches conversion is a simple conversion formula.

[yassinesaidi]

It's important and easy but the other codes also important..for example G54 to make a new home work of the program and how can you put the datum of work in any place on that table, in the center, in courners..etc

[bintulzehra]

Dear Sir, Your way of explaining is excellent.Thank you so much.

[bradkuhlemeyer]

Hey thanks for explaining a little about that however I'm an idiot with that being said could you do a video on the whole process of say making a sign

[Cncguru-wlhn]

G4 came in very handy for me when I upgraded my spindle with a vfd, took a while to ramp up to speed to needed G4 dwell time for 5 seconds

[babbagebrassworks]

Thanks Garrett, great intro to basic G codes. Notice how far you have come in just two years. From Kit router in the living room to a business with staff.

[reaper]

Hey Garrett.. The codes G0, G1, 20, G21 are great to learn about.. I am beginning to understand some of this coding with regards to the CNC machine goes man.. This is awesome bro. I'm going to start rewatching them all and begin taking notes from now on.. It's bloody fantastic Garrett and thanks very much again my friend.. Ur absolutely awesome man.. Things are slowly becoming much clearer atm and that is all down to u man.. Take care and keep making these great videos bcos I'm like a sponge atm soaking so much up. Do u teach this in college or something bcos u have a great way of doing this teaching stuff Garrett man..

[workingclassbear]

After a 10 year hiatus this was just what I needed to get the cobwebs cleared out of my head. Thank you.

[gregwarren]

Thank you for the analogies. They were perfect for me and if anything, it makes the function of each G code command easy to remember and visualize the effects. Very effective teaching.

[bubba]

This info is very useful and id like to see it used in a circumstance where you have to stop in the middle of a program and want to restart without starting from the beginning of the initial program

[zoltanunter]

Hi Garret, I thank you for your work. It is very helpfull. I am a bricklayer from Slovakia, and it was tottaly clear to me as well :)

[babbagebrassworks]

Simple conversion, Inches per minute to millimeters per second, multiply by 0.4(40%) 100 inches/minute is about 40 millimeters per second. 50ipm is 20mm/s....

[reneecrowton]

Excellent thank you you explained so well. Best video I've found

[yolanda]

Wonderful I'm learning to be part of the Team in CNC Operation to Encourage our Future Legends

[reaper]

Where did u get this CNC machine from man? It's the most different CNC Router machine I've seen so far.. It's cool as heck Garrett mate..