Rotary Car Performance General Rotary Car and Engine modification discussions.

carbon fiber vs. kevlar

Thread Tools
 
Search this Thread
 
Old 05-31-02 | 06:48 PM
  #26  
user 84205's Avatar
Banned. I got OWNED!!!
 
Joined: Nov 2001
Posts: 1,571
Likes: 0
That CNC is huge bro... Man we have a tiny, 4x3 and its as old as wooden ships.. I dont use it, due to most of my cuts/receses are not that deep. I do it usually all by hand, I havent had to do anything at exact specs yet, just my specs. I mean if I had on that went 16 feet, I might look into it, most of everything I work on is at least 10 feet, or round.. It sucks... I will try to get some pics.....
Old 05-31-02 | 11:45 PM
  #27  
RETed's Avatar
Lives on the Forum
 
Joined: Feb 2001
Posts: 26,664
Likes: 19
From: n
Originally posted by Bigus Dickus
This is a large gantry 5-axis CNC mill doing the rough cut on the mold used to make the case. It's an Arboga mill... something like 16 feet travel in the x direction, thirtee feet or so y, and a few feet z.
That looks like a wood-only mill.&nbsp Can it do metal too???&nbsp Who the hell cares about wood mills - metal mills cost tons more money (well, I dunno about 16' x 13' travel though!) and a lot more applicable for automotive applications...



-Ted
Old 06-01-02 | 12:11 AM
  #28  
Bigus Dickus's Avatar
Junior Member
 
Joined: May 2002
Posts: 31
Likes: 0
From: MS Gulf Coast
It can machine metal, but why? Who needs a fifteen foot long metal mold?

An Arboga isn't used to make little steel and aluminum parts, although it could if you wanted it to (just a waste of resources). It's used for making wing molds, body molds... in our case a gearbox mold. Most of the molds this particular mill cuts are either wood, foam, Renwood, fiberglass, or the occasional steel wool/resin mold.

This particular machine was also outfitted with a force feedback sensor on the head to do precision mold polishing. After a composite mold is rough cut, sanded, and painted, the Arboga with feedback can do a final polish back to within .002" of the desired mold surface. Not bad over a dozen feet.

There were rumors that this particular mill had been used in one stage of the Hubble telescope primary mirror grinding or polishing (and why it was equipped with the force feedback). I'm not sure if that was ever comfirmed or not, but it was purchased from the government.

I guess the short answer to your question though is yes. If you really wanted to (and actually found a need to), you could make a 16' x 13' billet steel or aluminum part with positive and negative draft angles. No, this was certainly not a cheap machine.
Old 06-01-02 | 12:17 AM
  #29  
Bigus Dickus's Avatar
Junior Member
 
Joined: May 2002
Posts: 31
Likes: 0
From: MS Gulf Coast
BTW, when you say not applicable to automotive needs... think about how nice it would be to rather easily make any mold for composite body panels you needed.
Old 06-01-02 | 07:47 PM
  #30  
RETed's Avatar
Lives on the Forum
 
Joined: Feb 2001
Posts: 26,664
Likes: 19
From: n
Sure, I'd take a one-off custom aluminum side housing with CNC ports please!


-Ted
Old 06-02-02 | 09:24 AM
  #31  
mmaragos's Avatar
Senior Member
 
Joined: Sep 2001
Posts: 597
Likes: 1
From: Windsor, CA
Originally posted by RETed
Sure, I'd take a one-off custom aluminum side housing with CNC ports please!


-Ted
http://www.racingbeat.com/resultset....rtNumber=11072

Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
GKW
1st Generation Specific (1979-1985)
5
09-28-15 04:34 PM



Quick Reply: carbon fiber vs. kevlar



All times are GMT -5. The time now is 11:21 AM.