Comments sought on new build: A CNC Router for RC Gliders and Planes

[m.marino]

Neil,

Nice power station reminds me of the days when I worked as pipe-fitter in Industrial tool trade in the Detroit area. I use AM882's and unless you are planning on going to the feed back loop stepper motor/drive combo I strongly suggest them. They run well and stay cool even after a good long day of cutting (14 hrs). Unless you have access to industrial power supplies I would suggest building one with a toroidal transformer, I get a really nice smooth power off my set up and once the transformer got charged it has been running very nice (looking at adding a fan to cool everything down just a bit, for safety measure).

Nice design and should do everything you are asking of it and more. Hope the move goes well. -Michael

[njhussey]

I use AM882's and unless you are planning on going to the feed back loop stepper motor/drive combo I strongly suggest them. They run well and stay cool even after a good long day of cutting (14 hrs).

I'm not planning on using the feed back loop combo, not sure I'll run the machine that hard as it's for hobby use. For what I want it for the AM882's will be more than good enough.

Unless you have access to industrial power supplies I would suggest building one with a toroidal transformer, I get a really nice smooth power off my set up and once the transformer got charged it has been running very nice (looking at adding a fan to cool everything down just a bit, for safety measure).

I'll probably ask for help when doing the power supply. I think I've subscribed to a thread where one is made but failing that I'll ask for help.

Nice design and should do everything you are asking of it and more. Hope the move goes well. -Michael

Cheers Michael, I'm hoping that I don't get a rush of blood to the head and re-design it again I'm quite happy with the design now, all I think I'll be doing (unless anyone points out any major flaws) is doing the minor details, checking everything fits as it should and then detailing the pieces with the bolt holes, machining etc.

Just been checking the 10mm aluminium sheet I got from eBay a while back (2200mm x 950mm) as I've moved it to temporary storage and after cleaning some dust off I discovered it's 6082 grade so happy with that!! Just waiting for my other bargain eBay bit of 20mm thick Ali to be sent!!