BIG size Cyclone inspired mill

[Peter David Newbery]

Hi all,

Just thought people might be interested in this; its still in early development but been attempting to build a bigger mill not solely out of wood, metal or plastic but to have a compromise of accurate plastic parts and easily sourced cut wood. to build a bigger, stronger and cheap mill. I would love to attempt to bridge the gap between the different method of building homemade mill's.

Love to hear your views and thoughts. 

[Martin Zabojnik]

hey it looks really great. good work.and have progress in building certainly add photos.

I see there is one weak point. where the bearing is threaded rods. It will bend under load. It would intensify.

[Peter David Newbery]

On the X axis there is slight twist in it unfortunately, the wooden frame is very rigid so I am thinking of using 608 bearings attached to the carriage two push against the twist ( I hope) but is other axis its very rigid =].

[Daniel "yOPERO" Garrido]

I really like the idea ,I do have a 3D printer Prusa I3 and I can tell you that I get more accuracy from it than the single frame I3(aluminium), although it is bulkier

Currently I have a few  designs on paper that involved a Cyclone with more wood like yours, and taking advantage of the precision that 3d printers have.

At first glance I think the plastic parts holding your X axis may be a bit woobly, why not hold that X axis on the wood?

[Peter David Newbery]

I know, I have the I2 Pursa slightly bulkier than the I3 but for travel reasons I prefer it. I can put it in the back of the car and be happier that it might not break =]. 

I didn't want to over complicate the design too much and wanted to keep it simple and reduce the cost of using one less motor than moving the Z and X axis on the Y. but instead move the bed. 

[Carlos García]

Great work!! It looks like a Mantis simplified with plastic parts. Love it!!

For sure let us know the progress :)

Check out Diego Viejo's machine too, maybe it would be a good idea for the Z axis https://plus.google.com/u/0/photos/+DiegoViejo/albums/5868944432651911713?authkey=CLDJgdehlN773gE

2014/1/23 Peter David Newbery <up62...@myport.ac.uk>

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[Sailorpete]

Ah nice, I do not think I've seen this before. I will need to address the twisting in the X/Z axis. I have an idea and will see how it goes but the wooden frame is very rigid.

Thanks for the link and will keep your guys update, its a little side project among my studies =] 

Regards Petey 

[Jiri]

Hi, since I have the experience with box frame Prusa3, I believe that the wooden parts are sturdy enough. But when increasing the size above Cyclone dimensions, I am sure the 8mm rods are insufficient for milling. For my next project I have procured 10mm rods and intend to use this kind of bearings, since I think that 10mm linear bearings are rather costly and not easy to find. Trapezoid thread rods would be better that M8, too.

Dne čtvrtek, 23. ledna 2014 22:46:55 UTC+1 Sailorpete napsal(a):

[Sailorpete]

Hi Jiri

The rods are M10 for that reason. I am using the LM10UU linear bearing which I picked up off Ebay £16 x24, I know they aren't going to be the best but trying to get a compromise over cheap CNC with poor accuracy and half decent one, without the price tag.  I've looked into the Trapezoid threaded rods to drive it, but again for costing I am hoping the m8 threaded rods will do the job. After seeing how good they did on the little Cyclone I thought I will give them a shot on this.

Here is the link to the linear bearings I brought, they seem OK but be carefully inserting the rods into them.

[Jiri]

That's great! Sorry, I did not find out you've used 10mm. Thanks for the link, I have purchased the bearings immediately. Obviously were not available when I was looking for them. Hopefully the quality and delivery will work...

Dne pátek, 24. ledna 2014 10:15:00 UTC+1 Sailorpete napsal(a):

[Sailorpete]

If your interested I will upload some of the files I created, such as the beefy linear bearing mounts?

[Jiri]

Would be fine, thanks. :-)

Dne pátek, 24. ledna 2014 10:42:12 UTC+1 Sailorpete napsal(a):

[Sailorpete]

Here's a update on whats gone on,

Ive had to redesign the Z axis bearing bracket to have both a push and pull motion instead of it being solely gravity fed.

Designed a brace for the X axis (not currently photoed, I will up load one soon) this is to reduce the twist in this axis. The result are greatly improved with it.   

Redesigned Azamo's Y brackets, this is for M10 rods and also adjustable mounting to allow for better calibration

Designed the Y axis motor mount, idler and also the nut holder too.

swapped the gearing around from the original cyclone, Ive decrease the ratio to increase the torque. it will be slower but with the added weight of everything I decided to do this so I could use the NEMA17 motors instead of the 23's. (cost).

Photo time =]

I know some of the screws I am using are too long and its bad to use washers to space them out, but its all I have. =]

Thoughts?

[Samuel Kranz]

looks good :D

[Carlos García]

Yeah, can't wait to see it in action!

And the patch of the long screws with spacers... I have had to do that many times :P

El 23 de febrero de 2014, 0:27, Samuel Kranz <secu...@gmail.com> escribió:

looks good :D

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[Meir Michanie]

I thnink that the main message is that "there is many ways do it".

On Sunday, 23 February 2014 02:02:39 UTC+2, Carlos García Saura wrote:

Yeah, can't wait to see it in action!

And the patch of the long screws with spacers... I have had to do that many times :P

El 23 de febrero de 2014, 0:27, Samuel Kranz <secu...@gmail.com> escribió:

looks good :D

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[Sailorpete]

Indeed, but which is the best way to do it?

[Martin Zabojnik]

It is difficult to answer .

It depends on what you expect from that machine .

And how much money do you have to build .

it is difficult to determine the correct size in proportion to the strength.

using metric rod limits the speed at about 500 mm / min . from certain size is too limiting .

[Sailorpete]

Its been a long time and forgot to post the progress its had! 

Since I last posted its been completed and now some now improved parts are getting replaced on it. Theses minors upgrades are for motor mount and drive mechanism. I will post more photos when the X is complete. but so far its done PCB manufacturer and 9mm MDF. I do want to play with different materials but its what I have lying around the place. 

Cutting the 9mm MDF I cut at 2mm depths and a relative slow speeds I will upload a video if people want? 

Photo time 

This PCB there was a missed step on the one axis hence the redesign/ modification for the axis 

Have to do this is two parts and the item I want it is too bog for the bed! but new bed for my 3d printer with this massive 200x300 heat bed =]

The Mill as it currently stands 

Hope you enjoy =] 

[Samuel Kranz]

wow looks great :D

[Nicolas Arias]

thats great work!.

would you mind sharing the printed parts and bom?

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[Sailorpete]

I will do =] I will do it once I have finished the last axis, as that needs to be sorted first but once done I will post all parts and BOM

On Thursday, 12 June 2014 21:12:03 UTC+1, Nicolas Arias wrote:

thats great work!.

would you mind sharing the printed parts and bom?

On Thu, Jun 12, 2014 at 5:09 PM, Samuel Kranz <secu...@gmail.com> wrote:

wow looks great :D

Am Donnerstag, 12. Juni 2014 21:56:42 UTC+2 schrieb Sailorpete:

Its been a long time and forgot to post the progress its had! 

Since I last posted its been completed and now some now improved parts are getting replaced on it. Theses minors upgrades are for motor mount and drive mechanism. I will post more photos when the X is complete. but so far its done PCB manufacturer and 9mm MDF. I do want to play with different materials but its what I have lying around the place. 

Cutting the 9mm MDF I cut at 2mm depths and a relative slow speeds I will upload a video if people want? 

Photo time 

This PCB there was a missed step on the one axis hence the redesign/ modification for the axis 

Have to do this is two parts and the item I want it is too bog for the bed! but new bed for my 3d printer with this massive 200x300 heat bed =]

The Mill as it currently stands 

Hope you enjoy =] 

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[Carlos García]

Hi Pete, thanks for the pictures.

It is great to see the progress, congratulations and nice work! :)

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