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post #1 of 11 (permalink) Old 07-30-2018, 10:51 AM Thread Starter
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I'm new to this Forum and I have been thinking about building a CNC router for some time now. I am at the point of deciding just how I want to build this and what types of materials I want to use. I really wanted to have a useable work space of about 24" x 48". Really anything close to that is fine. I realize that the construction will determine the actual length of the ball screws but is there a reasonable way to consider what lengths I will need to get this useable work space?
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post #2 of 11 (permalink) Old 07-30-2018, 11:08 AM
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Welcome to the forum, David! When you get a minute complete your profile with first name and location. That'll clear the N/a in the left panel and your location helps us to help you.

I went with a 2x4 frame from Fine Line Automation and sourced the rest of it myself. Here's the build if you want to see what we did - 2nd Build First.

Some early questions - What will you be cutting? What's your budget? Do you have 220v available?

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post #3 of 11 (permalink) Old 07-30-2018, 06:09 PM
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Welcome to the forum David . David (the poster below you ) is a plethora of information,and has one the size your looking at building
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post #4 of 11 (permalink) Old 07-30-2018, 06:55 PM
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Welcome to the forum, David.

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post #5 of 11 (permalink) Old 07-30-2018, 09:57 PM
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Welcome to the forum David.

Ross,
Rockhampton, Queensland, Australia


Enjoy the knowledge of others that can be found within.

‘Members are requested to add a first name in their profile as we are a very friendly bunch here'.
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post #6 of 11 (permalink) Old 07-31-2018, 06:33 AM
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Welcome to the forum David.
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post #7 of 11 (permalink) Old 07-31-2018, 06:47 AM
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welcome
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post #8 of 11 (permalink) Old 07-31-2018, 07:35 AM
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Welcome David.
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post #9 of 11 (permalink) Old 07-31-2018, 08:36 AM
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Welcome to the Router Forums David. You really need to decide the working size you want and then base screw sizes base on that working footprint. Of course, the screws will be longer depending on which axis you are building but you can make sure you get what you want in you CNC.

I think the important thing to remember is don't limit yourself in size because you can get frustrated with a machine that is too small and then you will want that bigger machine. Another thing to remember most of the small entry CNC machines and DIY CNC machines have little or no resale value so it could be wasted money if you don't build the machine you really want.
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post #10 of 11 (permalink) Old 07-31-2018, 04:54 PM
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The question you should ask is how much work do you want to do, and how much are you willing to spend. Digital Machinist magazine ran a series of articles from 2015 to 2016 on building a cnc router. They were titled "Building Gizmo: A 3-Axis CNC Router" by Dennis Howe. You could contact them and see if they have re-prints or back issues (Digital Machinist Home). Also www.cnczone.com might have build information that you could use. In any case, good luck and have fun.

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