Build Your Own CNC Machine - diyAudio
Go Back   Home > Forums > Design & Build > Equipment & Tools

Equipment & Tools From test equipment to hand tools

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 18th March 2013, 02:34 PM   #1
diyAudio Member
 
MeTarzan's Avatar
 
Join Date: Mar 2013
Default Build Your Own CNC Machine

blackFoot 4x8 v4.1 CNC Machine

Anyone here ever assembled a kit from these guys? Is CNC'ing 4x8x1" MDF for around 5K realistic? Kit looks easy enough, but sounds too good to be true...
  Reply With Quote
Old 18th March 2013, 03:27 PM   #2
diyAudio Member
 
Join Date: Jan 2010
There should be plenty of kits in the 5K range but I think you will see a large variance in accuracy and material quality. I would look for a kit with higher quality linear railing and really understand how the unity braces on all axis. Remember this thing will want to shake violently if there is too much slop and for accuracy its important to understand how they reduce backlash. If you can get something used on Craigslist (ive seen occasional machines show up here in the seattle area) that might be a good way to go as you can see it in action.

Last edited by hotdrop; 18th March 2013 at 03:31 PM.
  Reply With Quote
Old 20th March 2013, 06:40 AM   #3
diyAudio Member
 
Join Date: Mar 2013
You need a new cnc machines? I would like to recommend Click-N-Carve 84030 CNC Carving Machine with 17.7-Inch Capacity. It's the most popular carving machine in the market nowadays. Check it out.
  Reply With Quote
Old 21st March 2013, 01:53 AM   #4
diyAudio Member
 
Join Date: Mar 2013
Location: Ohio
This is my 1st post. Anyway I worked for a Company called Esko Graphic's long time ago we sold and serviced Kongsberg X,Y cutting tables even an old unit from the mid 90's would be a better choice at $5k. Kongsberg did make a unit that had a router head was a bit $$ as all Kongsberg stuff is. I'm sure if you look around for a used unit one could be found. I'm thinking a an old flatbed unit called a " die saw"mite work would need a little mod. lot's of companies quit using them years ago if you could find one. good luck zoomer !
  Reply With Quote
Old 26th March 2013, 05:00 AM   #5
diyAudio Member
 
Join Date: Jan 2007
Location: BC, Canada
A lot of these hobby-grade CNC machines have mediocre electronics inside (underrated parts, poor component choices, value engineered all over and the list goes on). The packaging can be very fancy to mask all these deficiency.

In general they don't last and the subsystems (stepper drives, control, etc.) they use go obsolete pretty quick unlike stuff made by Fanuc, Okuma, Yasnac, Mitsubishi, etc. Some use obscure sources where documentation (for future repair) and 3rd party support are non-existent and your only option is to fork yet another $1k+ or so from the machine integrator.

Maybe it's better to just make friends with your next door machine shop with a case of beer
  Reply With Quote
Old 26th March 2013, 11:27 AM   #6
diyAudio Member
 
MeTarzan's Avatar
 
Join Date: Mar 2013
Ug yes well I have already lowered my aspirations and am considering 2'x4'. I don't intend to etch PCB's or machine metal (but you know how that goes...), just to cut MDF, but still need precision. There are some completely assembles units that seem attractive and there are some good deals on that auction site. I am learning more and more about CNC with every day of research. The more informed I become, the harder it becomes to decide. I do have a nice 2'x8' sturdy base I need to go pick up soon.
  Reply With Quote
Old 26th March 2013, 06:54 PM   #7
diyAudio Member
 
Join Date: Jan 2010
Hitachi, if only it was that easy to make friends with a machine shop operator. Everyone wants cold hard cash these days (at least in the us).
  Reply With Quote
Old 14th April 2013, 01:33 AM   #8
Jaimo is offline Jaimo  Canada
diyAudio Member
 
Join Date: Oct 2005
Check out the CNC Zone forum you will get good advice there. A diy gantry rack and pinion system will cost you less than a kit or, you can spend the same money on a diy system and get better performance / accuracy / repeatability. You will need access to a machine shop though.

Check out this site as well...Building the KRMx01 CNC
  Reply With Quote
Old 14th April 2013, 03:12 AM   #9
diyAudio Member
 
tubelab.com's Avatar
 
Join Date: Jul 2005
Location: West Virginia panhandle
Quote:
Is CNC'ing 4x8x1" MDF for around 5K realistic?
Those plans use a rather small stepper motor and a 3 amp controller. That will be rather slow on a machine that large.

I have been collecting parts to build a DIY CNC machine. I am in no hurry since I have no place to put one right now, but retirement is 1 to 3 years away, and my retirement man cave is a 24 X 36 modular home seperated from the main house. Power tools, and loud things can be operated without hearing "turn that thing down." I want capability to cut guitar bodies as a basic minimum. There are DIY CNC machines from crude to $$$ on Youtube.

Keep in mind that you will need some sort of CAD package that can turn your ideas into "G" code that Mach 3 or even a PIC based system can eat.
__________________
Too much power is almost enough! Turn it up till it explodes - then back up just a little.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
First build - have CNC, modest budget momerath Full Range 22 18th May 2012 01:30 AM
Birch Plywood Cabinets made by CNC machine Musik007 Twin Audio 19 8th August 2011 07:52 AM
a DIY CNC machine Bas Horneman Everything Else 40 12th September 2008 02:56 PM
cnc-machine for realisation your ideas nafanja Vendor's Bazaar 0 17th May 2008 05:52 PM
MDF cut with CNC machine herm Multi-Way 20 17th December 2002 04:14 AM


New To Site? Need Help?

All times are GMT. The time now is 03:54 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2