| [ Total Views: 1045 | Total Replies: 23 | Thread Id: 97696 ] |
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 Birdman
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| posted on July 5th, 2012 at 06:36 PM |
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CNC Machining
Does anyone have any contacts for CNC machining?
I have a mill and a lathe but need some complex parts made.
I think it's a 3 axis job.
I can probably supply the Billet and resolved CAD file but i expect most shops will tell me to go jump or charge the earth.
All help, advice and ideas welcome.
The project:
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 barls
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| posted on July 5th, 2012 at 06:57 PM |
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try phbillet on here
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pod
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| posted on July 5th, 2012 at 07:15 PM |
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You would need a cnc machining centre,and Peter is a toolmaker but rarely gets on here ,I only have a cnc lathe at work ,and only know basic
programming ,so yes you would need an expert or the cad program that can devise the program to machine this,best of luck getting it done cheap
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Sides
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| posted on July 5th, 2012 at 07:23 PM |
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Mmmm... SolidWorks Premium 2012 x64... that woulda cost a pretty penny !!!
(noticed it since I'm still on 2005 ya see)
Pretty sure had a "generate CNC routine" function now, it might help you figure out what kinda machine needed perhaps ???
UPDATE: Google is my friend... look under the Tools menu at CAMWorksXpress
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Tim Andrews
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| posted on July 5th, 2012 at 07:47 PM |
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I can do no probs at all.
As for charging the earth, the price will be based on hours required to program machine, set-up machine and running of machine plus material if not
supplied.
If there are only the 2 off, then yes you could be up for a bit of coin.
As i tell all of my customers, the more you do, the cheaper it gets.
Where are you located? I'm more than happy to look at it for you.
'56 Beetle, 1916
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Birdman
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| posted on July 5th, 2012 at 08:04 PM |
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Thanks for the replies guys.
The guy who designed these can supply the files and also all the solidworks stuff. He is a whizz at both.
Tim, PM sent.
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vlad01
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| posted on July 5th, 2012 at 09:50 PM |
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about 160 per hrs plus setup time, which is the expensive part 
good luck!
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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bajachris88
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| posted on July 6th, 2012 at 08:46 AM |
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With that 4 stud pattern/shape anyone would guess it was some new setup for the springplate/rear torsion bar fixing 
(ô_!_/ô) (ô_!_/ô)
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BiX
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| posted on July 6th, 2012 at 12:53 PM |
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did I see a thread about somebody selling a kit to do the same? depending on price, could end up cheaper.
I have no sympathy for my car, only the wallet that pays for it!
Go hard or go home!!!!
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vlad01
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| posted on July 6th, 2012 at 01:19 PM |
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| Quote: | Originally
posted by bajachris88
With that 4 stud pattern/shape anyone would guess it was some new setup for the springplate/rear torsion bar fixing
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i thought it was for the gear box, jk 
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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cnfabo
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| posted on July 6th, 2012 at 08:31 PM |
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there is a guy on one of the other overseas vw forums who has made these for a good price..i saw them the other week ,i tried searching it on
shoptalk but couldn't find it...
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Birdman
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| posted on July 7th, 2012 at 07:52 PM |
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.
yeah yeah bajachris88, no mystery what im making there mate. 
and yes, that guy on the other forums drew them up for me with some alterations to suit australia. I wanted a 1 peice design and i wanted all the
stresses transferred into the torsion housing with the springplate cover bolts just locating it to the tb housing. I spoke to a certain german tuning
company about making them when i was over there but due to potential manafacturing tolerances from vw they couldn't gaurantee they would fit exactly
so wouldn't make them for me. They slug will be a tight interferience fit into the torsion tube. Hopefully this will satisfy the nsw rta and
engineers. Just waiting for my cousin to get his finger out and help me source some billet and cromo. I am buying that guys spring plates though as i
think they are spot on. search germanlook if interested.
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vwo60
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| posted on July 8th, 2012 at 10:19 AM |
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I do not under stand how you are going to get that tight fit in the torsion bar housing, the casting is friction welded to the tube along and with the
excess weld material inside the tube will stop you fitting it easily, you would have to individually fit each piece to the tube using a die grinder,
the four eight mm bolts that hold the cap on are not sufficient to carry the load even if you locate it in the tube, the longer the spigot the less
load the bolts will have to carry, have you thought about using a through bolt across the car to help hold the mounts in place .
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1303Steve
A.k.a.: Steve Carter
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| posted on July 8th, 2012 at 02:10 PM |
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Hi
Birdman and I were talking about this the other day.
I suggested welding a decent steel slug into the torsion bar housing and then making a fixture that bolts to the four bolt holes and then accurately
drill the centre hole.
Steve
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psimitar
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| posted on July 8th, 2012 at 11:42 PM |
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| Quote: | Originally
posted by vlad01
about 160 per hrs plus setup time, which is the expensive part
good luck!
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Bahahahaha. That's some joke. CNC programming is dead easy as did that at college b4 the software that could turn a CAd drawing into a CNC file.
Set up time. Hmmm, clamp in the vice and zero the machine. Wow, all of ten minutes whilst drinking a cup of tea :P
madness is in the eye of the beholder |
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Birdman
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| posted on July 8th, 2012 at 11:49 PM |
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Thanks for the reality check Mike, I dont tend to listed to vlad much.
Are you talking to me again vw060? Yes each piece will be individually fitted to each tb housing.
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psimitar
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| posted on July 9th, 2012 at 12:48 AM |
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| Quote: | Originally
posted by Birdman
Thanks for the reality check Mike, I dont tend to listed to vlad much.
Are you talking to me again vw060? Yes each piece will be individually fitted to each tb housing.
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No worries  I'll admit that CNC machines cost a whole bunch but still
don't think it warrants the cost per hour
madness is in the eye of the beholder |
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HappyDaze
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| posted on July 9th, 2012 at 08:42 AM |
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Finance on the machine alone could be somewhere between $50 and $80 per hour.
I'd rather wear a Beetle out by racing it than by polishing it!
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vwo60
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| posted on July 9th, 2012 at 09:20 AM |
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People want to get into the real world and run a engineering bussiness for themself,the cost of the CNC is justified at the rate quoted, as for the
operator he has to be paid along with all the other expenses of employing a skilled person, if it is that easy and cheap every man and his dog would
be doing it. Birdman, as suggested you could fit a through bolt across the car to assist the locating of the plates.
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Birdman
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| posted on July 9th, 2012 at 09:49 AM |
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| Quote: | Originally
posted by vwo60
People want to get into the real world and run a engineering bussiness for themself,the cost of the CNC is justified at the rate quoted, as for the
operator he has to be paid along with all the other expenses of employing a skilled person, if it is that easy and cheap every man and his dog would
be doing it. Birdman, as suggested you could fit a through bolt across the car to assist the locating of the plates.
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The throughbolt is an interesting idea.
The machinist i live with wants a crack at making them on his mill and lathe which would be nice.
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psimitar
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| posted on July 9th, 2012 at 11:02 AM |
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| Quote: | Originally
posted by vwo60
People want to get into the real world and run a engineering bussiness for themself,the cost of the CNC is justified at the rate quoted, as for the
operator he has to be paid along with all the other expenses of employing a skilled person, if it is that easy and cheap every man and his dog would
be doing it. Birdman, as suggested you could fit a through bolt across the car to assist the locating of the plates.
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Mate the cost of anything in this country is ridiculous. YOu can pick up a good quality CNC mill for 17k in Europe so 34k for a mill and lathe ain't
that bad. If the cost is that high for a machine in Oz then I feel sorry for the people having a a CNC business. And I know these prices are fairly
relevant as my dad only retired from the job a few years ago 
Anyhow, Birdman. A skilled machinist could make those parts of a mill but compared to CNC it'll take them a while setting the angles etc.
madness is in the eye of the beholder |
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Birdman
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| posted on July 9th, 2012 at 01:01 PM |
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Glad to hear you think it can be done Mike. My house mate is retired and loves nothing better than sitting in the shed making stuff.
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Special Air Service
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| posted on July 9th, 2012 at 10:44 PM |
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Ron, will he work for beer?
[size=5] Calling all NSW Mid North Coast Veedubbers
Click Below [/size]
[size=6]Mid North
Coast VW [/size] |
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Birdman
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| posted on July 10th, 2012 at 10:35 PM |
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Maybe?
What do you need made?
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