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Pointman 08-21-2012 12:19 PM

My DIY CNC
 
Stumbled accross this while looking at desktop CNC machines. The price is right at $460 for the kit. (Computer/software not included), but not sure of the quality.

Anyone have thoughts on this unit?

DIY Desktop CNC Machine Complete Kit | MyDIYCNC - Home of the DIY Desktop CNC Machine

http://www.mydiycnc.com/sites/defaul...JPG?1330645108

Charlie-III 08-21-2012 02:24 PM

Re: My DIY CNC
 
Looks interesting.

Using a "Dremel" for the cutter.

Small travel, ~9" x 6" which is just enough to do TVP's.

Specs.... MyDIYCNC Desktop CNC Machine | MyDIYCNC - Home of the DIY Desktop CNC Machine

For ~$500, interesting."thumbsup""thumbsup"

SwampDawg 08-21-2012 02:32 PM

Re: My DIY CNC
 
id like to see some actual user reviews on this! "thumbsup"
if it was something worth getting, id defiently be interested in this one.

love my dremel!
been meaning to grab the dremel drillpress for 50.00

Erin 08-21-2012 04:32 PM

Re: My DIY CNC
 
Quote:

Originally Posted by SwampDawg (Post 3880257)
id like to see some actual user reviews on this! "thumbsup"
if it was something worth getting, id defiently be interested in this one.

love my dremel!
been meaning to grab the dremel drillpress for 50.00

Save your money on the drill press. There is entirely to much flex in the whole unit. You can do some very rudimentary milling in delrin but you have to go very slow.

Crawling Calvin 08-21-2012 10:31 PM

Re: My DIY CNC
 
Hm, interesting looking machine! My 2 main concerns are:

Dremels... awesome for RPM but start to load it up and... hellllo stall :evil:

What are the upright parts made from? Hope it is something stiff like aluminum...

That said if you got $500 to drop it isn't bad and with the demo of Mach 3 you can easily make small parts, just got to work around the 500 code line limit. There are bigger routers from Zenbot.com which i hear are nice... it just depends on what you can afford really :x

rlockwood 08-21-2012 10:33 PM

Re: My DIY CNC
 
Quote:

Originally Posted by Erin (Post 3880389)
Save your money on the drill press. There is entirely to much flex in the whole unit. You can do some very rudimentary milling in delrin but you have to go very slow.

I would bet the same could be said of the "My CNC" this thread is based on :P

The gantry supports don't have enough separation on the x-axis. Compared to a fixed gantry like the Microcarve Mv3 the whole unit looks pretty flimsy. Its also safe to assume the electronics are bottom of the bin.. the drivers dont appear to microstep at all. The steppers are small (nm17 size.. even taig conversions use nm23)

Travels are right around micro-mill territory (actually a little smaller than the larger taig), and an actual mill is inherently more rigid.. Ultimately, i'd probably rather have a non-cnc taig or sherline. Get used to the mill, then add a gecko and some motors later.

At the same time, theres nothing horribly wrong with the design, and it would likely do just fine-- provided you take it slow & are realistic about its abilities. Ive known a few people who built similar MDF based routers and have been very pleased.

I also cant fault the price :)

SwampDawg 08-21-2012 11:25 PM

Re: My DIY CNC
 
Quote:

Originally Posted by Erin (Post 3880389)
Save your money on the drill press. There is entirely to much flex in the whole unit. You can do some very rudimentary milling in delrin but you have to go very slow.

well thanks for saving me 50.00 "thumbsup"

SMR 510RR 08-22-2012 12:44 AM

Re: My DIY CNC
 
Looks like they are decent for PCB's but probably nothing else...That thing would have a hard time putting a 1/8 end mill through delrin. The lead screws are threaded rod? What is the factory tolerance on that?

I agree, I would rather have a manual mill (an actual mill) and convert it down the road.

Pointman 08-22-2012 07:41 AM

Re: My DIY CNC
 
Quote:

Originally Posted by SMR 510RR (Post 3881045)
Looks like they are decent for PCB's but probably nothing else...That thing would have a hard time putting a 1/8 end mill through delrin. The lead screws are threaded rod? What is the factory tolerance on that?

I agree, I would rather have a manual mill (an actual mill) and convert it down the road.

Good point! I will be doing demo parts mostly, but all will be delrin.


Thanks for the input guys. I was concerned about the Dremel cutting head.
Guess I'll save up for a Taig.

donhd04 08-22-2012 08:36 AM

Re: My DIY CNC
 
Quote:

Originally Posted by rlockwood (Post 3880946)
I would bet the same could be said of the "My CNC" this thread is based on :P

The gantry supports don't have enough separation on the x-axis. Compared to a fixed gantry like the Microcarve Mv3

I swear when i first read that, i thought it said microwave. anyways. Does this one work fairly well for rc and small stuff?

rlockwood 08-22-2012 11:13 AM

Re: My DIY CNC
 
Quote:

Originally Posted by donhd04 (Post 3881262)
I swear when i first read that, i thought it said microwave. anyways. Does this one work fairly well for rc and small stuff?

I've never personally used one-- and keep in mind its sold without electronics, so add another ~500 for a quality set of steppers and drivers. There are some youtube videos of it cutting aluminum, etc.. Without any personal experience, I can only give the impressions of the materials being used and the design of the machine overall. Of which, it appears to use quality parts and be designed in a logical manor.

I compared it against the Taig micro mill before making my at home cnc purchase, I ultimately chose the taig, because i'm personally weary of MDF construction. It has some advantages over the taig though. I believe he's using 5 pitch screws on the microcarve machines, which means higher speeds should be possible. The taig uses 20 pitch, which is great when manual (as it means fine accuracy) but becomes an encumberance on pc driven CNC's, as they cant reliably produce the step pulse stream fast enough to move the table around.

Pointman 08-23-2012 07:43 PM

Re: My DIY CNC
 
Quote:

Originally Posted by rlockwood (Post 3881487)
keep in mind its sold without electronics, so add another ~500 for a quality set of steppers and drivers.

Everything is included, except a pc, and software.
They give you links to freeware to run it though.

SMR 510RR 08-23-2012 08:15 PM

Re: My DIY CNC
 
Quote:

Originally Posted by Pointman (Post 3883820)
Everything is included, except a pc, and software.
They give you links to freeware to run it though.

He was talking about the Microcarve not the My DIY CNC

rlockwood 08-23-2012 10:40 PM

Re: My DIY CNC
 
Quote:

Originally Posted by Pointman (Post 3883820)
Everything is included, except a pc, and software.
They give you links to freeware to run it though.

yes, appologies. I was off tangent from the topic and discussing an alternate product from a company called microcarve

Pointman 08-23-2012 11:17 PM

Re: My DIY CNC
 
Quote:

Originally Posted by SMR 510RR (Post 3883873)
He was talking about the Microcarve not the My DIY CNC

Quote:

Originally Posted by rlockwood (Post 3884108)
yes, appologies. I was off tangent from the topic and discussing an alternate product from a company called microcarve

oops! :oops::oops:

I only skimmed it the first time.


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