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Advantage Hobby . Revolution Models . CarbonXtreme

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CAD - Engineering - Technical > Haw many RPMs do I need to cut CF?
 
 
3Dx
rrAdvertiser
Location: Monterrey NL Mexico!

Haw many RPMs do I need to cut CF?

Are the haas Machines god for this? what cutting tool do you recommend?

Thanks….
09-30-2006 Over year old.
 
 
Peefor
Veteran
Location: St Albans UK

I use about 21,000rpm with a 1.60mm carbide fishtail router bit for cutting 2mm carbon plate.

Pete
09-30-2006 Over year old.
 
 
TMoore
rrProfessor
Location: Cookeville, TN

Quote 
Haw many RPMs do I need to cut CF?

Are the haas Machines god for this? what cutting tool do you recommend?



How many rpm's do you have? How true can you hold the tool? How tightly can you hold the tool and the part?

Haas machines aren't any different than anything else that cuts metal. They cut CF too.

TM
09-30-2006 Over year old.
HOMEPAGE  
 
 
3Dx
rrAdvertiser
Location: Monterrey NL Mexico!

21,000 RPMs

I have the HAAS TM1 and TM2 they only go to 4,000 RPMs i think
09-30-2006 Over year old.
 
 
TMoore
rrProfessor
Location: Cookeville, TN

You can cut CF at 4K but it limits your feedrate.

TM
10-01-2006 Over year old.
HOMEPAGE  
 
 
busted blade
Senior Heliman
Location: orlando,florida

i have cut .125 cf,full slot,.065 axial d.o.c.,25ipm feed, 4flute,.187 dia carbide, with coolant on my vf3 at 5000 rpm. never changed any thing cause i was only making 2 sets of side frames for my trex (see my gallery). these settings would be a starting point. keep crankin in more feed and rpm until the bit snaps then back it off a turn or two

bling bling, cha ching......... but honey
10-11-2006 Over year old.
 
 
3Dx
rrAdvertiser
Location: Monterrey NL Mexico!

What abut the carbon powder residuums??

When I was buying the Haas machines, they told me that I need some special seals to protect the lineal bearings and the ball screws if I wanted to work whit CF.

What do you think of this???

I hope you understand my English..



Thanks…
10-11-2006 Over year old.
 
 
busted blade
Senior Heliman
Location: orlando,florida

i was using a metal cutting coolant/water mix at low pressure to eliminate the dust and keep the epoxy resin cool because it was already in the machine. if i had to do more i'd probably use straight water. i had little to no delamination but i was using a mechanically compacted laminate.i theorize that with the lower rpm (compared to 20,000+ rpm for a router) the chip load (term as it applies to metal cutting) is much higher creating more heat, requiring coolant. a routers "chip load" would be much smaller, hence less heat.your english is fine

bling bling, cha ching......... but honey
10-11-2006 Over year old.
 
 
TMoore
rrProfessor
Location: Cookeville, TN

The only reason that the dudes @ Haas said to cover the balls screws and guides is because if you were machining something like Poco C3 graphite electrode material that sh*t goes everywhere, including the control cabinet.

CF plate can be cut with little effort and you just need a decent vacuum system to keep the dust out of the spindle bearings and the LM guides. If you did this for a living it would be different but occasional cutting of CF is not much of an issue. If you were cutting CF or Poco on a daily basis for extended periods I would worry.

TM
10-11-2006 Over year old.
HOMEPAGE  
 
 
axis
Senior Heliman
Location: Lone Star State, USA

I cut carbon fiber for a living.
19-20,000 rpm
Carbide or diamond burr bit
feed at .4"/sec
max depth per pass .1"
This will leave you a very smooth, burr free edge. I prefer to use a .120" dia bit. As for the dust, it is very hazardous. Remember the dust is a fine particulate like talcum powder so it must be vacuumed with a good vacuum. All of our dust is sucked up via a vacuum that surrounds the bit. If you have any other questions just let me know. If you need anything cut than visit outfrontframes.com or shoot me an email and let me know your from RunRyder and I'll give ya a good deal. email: wesbrown@outfrontframes.com
-Axis
11-08-2006 Over year old.
 
 
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CAD - Engineering - Technical > Haw many RPMs do I need to cut CF?
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