DIYDrones - CNC Project


DIYDrones - CNC Project

Well, it originated as a blog, and has grown into a DIYDrones attempt at creating a CNC machine.

This group is set up so that we can organize the activity.

For background, the original blog is located here:

Location: Cyber Space
Members: 178
Latest Activity: Sep 27, 2018

Discussion Forum

Progress on the Harp Fabricator

Started by Monroe King. Last reply by Monroe King Sep 29, 2017. 40 Replies


Need some help with the following for my designs. Telemetry, GPS, barometric leveling, altitude hold

Started by Bill Schonfelder Nov 10, 2015. 0 Replies

I have been using kk2.1 boards upgraded with stevis 1.9 firmware.The highest motor I have used is 800 kv with 30 amp simonk flashed firmware.I have created new styles of power distribution boards for…Continue

New CNC website

Started by John Hestness. Last reply by Ruwan Jan 26, 2014. 1 Reply

I found a CNC related website that seems like a good fit for the DIYdrones culture.  http://www.openbuilds.comContinue

Brainstorming Specifications.

Started by Ellison Chan. Last reply by chewdonkey Nov 27, 2013. 278 Replies

Setting this discussion up to gather up and brainstorm ideas.LIST OF EQUIPMENT AND MATERIALS UNDER CONSIDERATION:Motors/Controllers:…Continue

Comment Wall


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Comment by Monroe King on August 26, 2016 at 12:44pm

Getting a bunch closer to having some movement going on!

Comment by Monroe King on November 24, 2015 at 7:59pm

OK! The Frame finally made it to the mill. So now I'm working on the project again!

Comment by R. D. Starwalt on October 9, 2015 at 6:30am

Nice project Chuk.

The 'erector set' 80/20 material is so very useful and can sometimes be found at reasonable prices. I kick myself for missing a huge surplus supply of it at a loca thrift shop.

Some plant in the area had made rolling carts of the stuff each with about +30 linear feet of the material in about two sizes and dozens of connector plates with castors. The store was only asking $60 (US) for each cart. There were about 6 carts if I remember correctly.

By the time I discussed it with my wife and went back to buy them all, two days max, they were gone.

As they say, you snooze, you lose.


Comment by Chuk Rhodes on October 8, 2015 at 7:13am

I started a CNC project last Dec, have nearly all of the hardware purchased - used heavy duty slide rails, new screws/motors, mostly from eBay/China. But kinda stuck at the chicken/egg problem of needing a CNC machine to make the parts to finish the CNC machine. I do have access to a small mill, and have roughed out some of the parts from flatbar. Since it's mostly 80/20, I just need some heavy connector pieces. But the head is all custom.

3HP motor, 24K RPM, with variable speed constant-torque drive. It's about 2 ft sq, and should work on 20" x 20" x 7+" area. Plan to use it with LinuxCNC... someday... eventually!.

Comment by Monroe King on September 28, 2015 at 2:31pm

OK! I built a layout table today to layout the parts for the machine. I attached a hardpoint to the 3/4 inch thick steel plate I'm making the frame for the machine out of. That plate is very heavy I'm going to have to use my engine hoist to lift it!

Hey! Ruwan thanks, yeah it took me 9 months to build the shop and restore those machines. They are in better than new shape now and I can't wait to get this show on the road.

Doug, Yeah I've decided to just go with a NEMA 23 mount which is standard and that way you can go either way.

The containers turned out Awesome! That floor is 1" thick mahogany! I bolted them together using allthread to pull them together. I put a wood spacer at the top and used RV roof sealant over that.

It saved a lot of money over a foundation and metal building it also saved time. I am really pleased with the result.

Comment by R. D. Starwalt on September 28, 2015 at 3:54am

I thought the shop looked some form of modified trailer/container. Those things are legion, everywhere and quite affordable. A company was even considering modifying them for emergency housing for disaster relief. One of my RC Group friends (in Canada) is making his new shop from a recycled reefer truck box. Wood stove heat.

A couple weeks ago I reviewed all the previous effort on this project regarding motor drives. Servos are more affordable now but still way over the price of steppers. The low end market is even more cluttered with CNC kits, nearly all stepper based. The DIY servo drive projects are still limited in number or off-the-shelf kits or semi-kits.

The core problem with servo drives is the code for the micro. With Arduinos nearly as cheap as loose change in the couch cushions, there might be a project direction there.

Many things to consider...


Comment by Ruwan on September 26, 2015 at 6:13pm

Cool shop Monroe!! even though I have a Shapeoko2 CNC, I wouldn't mind building another, lol!! As RD said, your expertise would really help!! 
So glad to hear the progress.

Comment by Monroe King on September 26, 2015 at 11:08am

Yeah that is the prototype up there! I'm about to go cut some steel plate and mill it just like that. Lol well it took me 9 months to referb these machines and get this shop going so not sure I'm the ideal guy to help clean yours :) I did bolt and weld those 2 shipping containers together to build the shop. I had to get that 3 phase converter going too and everything else. Moving those 2 containers together by myself mostly was a real pain. I'll try to post some progress tomorrow!

Comment by R. D. Starwalt on September 26, 2015 at 10:37am

I think I see an early prototype of the harp sitting on the top shelf of the cabinet (in this view) right of the mill.

You should come help me clean out my shop. Plan to stay two weeks. LOL!


Comment by Monroe King on September 24, 2015 at 2:27pm

OK! I've finally got the shop ready to do battle! You should see progress on the CNC project very soon.


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