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Hi Im from Welgelegen, Cape Town.

Nice to see some fellow South Africans on this forum.

Im in the process of building a 40W CO2 cnc laser cutter its about 95% done, I had a 1220 x 610mm...

I sold my Lionclaw CNC Router to fund my latest project a 40W CO2 laser cutter from the buildlog.net - CNC Laser Buildlogs forum.
Its about 95% done, just need to put the finishing touches on it.

Im going to look into that Ti-Ni coating there is a place here in Cape Town that does it
Yep if noticed if the parts I cut have a lot of nodes on the machine tends to cut jerky then where the cutter...

I cant go that fast the machine has some serious X leadscrew whip so I limit the max rapid and feed to about 70 ipm I dont think it would be rigid enough to cut that fast anyway only using 3mm pitch...

thanks will try that when i cut again

Geof the cutters are solid carbide been done the HSS route already
The reason I spin at 15000 rpm is to keep the ryobi router that I am using as a spindle cool I think its lowest rpm is 10000 rpm
I...

Hi All

I am cutting a lot of these dinosaur skeleton models out of 3mm MDF using a 3mm Belin upspiral 1 flute O flute cutter on my Lionclaw LC50 cnc router but the cutters dont seem to last.

I...

Does anyone have dxf files for a 3d angel and fairy model they could share on this thread pls as I am looking for these

here are pics as promised

will post some pics tomorrow

The machine has been up and running for about 3 weeks now everything is sorted out including dust extractor which works really well.I have been cutting a lot of these dinosaur skeletons out of 3mm...

A 60 degree V bit engraver will work great, just make sure you get a carbide one as the HSS ones dull very quick when engraving plastic.
Onsrud have a nice kit of these v bit engravers...

Anti Backlash Nuts have been ordered from dumpstercnc hope they arrive in a few weeks.
Going to finish wiring the motors this weekend hopefully and get the machine up and running since moving it

Hi biotech1 I havn't noticed any racking yet but then I havn't used the whole cutting area yet, ive only been cutting in the one corner of the table.Im still going to add the anti racking system as...

Machine has been moved now so no more noise issues.
I plan on ordering some anti backlash leadnuts from dumpstercnc really soon since he now makes the metric trapezoidal leadnuts in the TR12 x 3mm...

Sorry to hear about that, I dont know of any cheaper O flute cutters though.
Try use a air nozzle directed at the cutter to help clear the chips while cutting, this really helps.just be ultra...

We have a vacum table on the CNC at work but the upcut spiral O cutters can have a tendency to lift thin flexible materials. For cutting thin materials I would try using a straight O flut single...

Try the "O" flute up spiral single flute cutters, these work like a charm.
Onsrud cutter have a wide variety of O flute cutters specifically designed for hard and soft plastics check them out at...

I cut some 1/4" phenolic yesterday it cut really well using a 6mm upcut spiral bit cutting at 1200mm/min or 47ipm, I cut it in 4 passes just to be on the safe side could maybe do it in 3 passes as...

Some good info here.
I plan on starting a small part time cnc routing business from home and this was just the kind of info I was looking for.
If the business takes off well I will make it a CC...

Im going to set up this moving knot system on my lionclaw machine, such a simple yet effective system to reduce racking.

Thanks wyldesyde007 for the concept and bradtal for the brilliant pictures...

Nice Machine,I plan on building something similar also with r & p drive but with Nema 34 steppers and 4:1 belt drive reduction.

You could try www.cnc-plus.de they stock kress collets.When I have enough money I want to order a kress 1050 spindle from them

Im going to look around for a second hand electric die grinder when im on leave in 2 weeks time, might look for a second hand makita router as well they about the best available here in SA but...

I made the cable carrier as per Shannon's DXF files, made it out of 6mm satin orange and 3mm frosted acrylic.I still have to fit it to my machine, but it snapped together tightly no glue necessary...

Thanks for the help i got it right.

Hi sa1

pls send me your email address.will send you what dxf files i have, i also have the dxf files for a joes cnc 2006 rev2.
my email address is edmonde(at)telkomsa.net

Cheers

Try www.cncdirect.co.za for aluminium extrusions they do the Bosch Rexroth metric range.

Cheers

I think you have to PM joe about buying the plans.

An all MDF machine is a good idea for a first time build thats what i built but i done the Lionclaw design but slightly modified the design it...

Hi Khalid

Your 4th axis is awesome, im starting to build one too now.
what size and strength stepper did you use I can only get a 60oz/in one locally here in SA thats reasonably priced, if a gear...