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Thread: Need help, questions answered, what to do??? CNC Machine?

  1. #1

    Need help, questions answered, what to do??? CNC Machine?

    So I'm 17, I will be a senior in high school when school starts next week. I go to a magnet school in cali, which has emphasis on science & technology. Due to such emphasis they require students to produce a "senior project" to present to a panel of judges to graduate, I was thinking of doing something very special. After reading several possibly misleading posts about CNC machines and how easy they are to use, I was thinking about buying my own, milling my own plug, getting molds off the plug, getting the fiberglass from the molds, and building my own kit car. If this sounds too far fetched to do or complete within 10 months please let me know what I am getting into. Before anyone says what "experience" I need, my father is a auto mechanic, has restored over 10 classic cars completely, knows welding, fiberglass, etc. I have experience with Autodesk Inventor which I've used to design my own robot for class, etc. I just want a genuine answer, is it possible for someone with the resources I have access to, to complete such a project. Please tell me how hard it is to mill the car plug, to get the mold, to to get the fiberglass or to build the car. I would appreciate it if members would let me know how expensive it is to purchase a CNC milling machine, I know it will be cheaper than buying a pre-built body kit, can choose whatever I want to make, I ensure the accuracy. What are those CNC machine kits I've heard about? Is it better to mill a unibody plug to get a unibody mold? If so then I would need a 5axis instead of 3axis? Which would be easier? I know there are certain computer requirements and software, I have all of that taken car of, built my own computer, it is a true BEAST, I can get the necessary programs, and I have the necessary space to complete such a project. I just want to quickly describe the process, or what I think is how this works. With a CNC machine I can use it to make a foam plug from any 3d file, I can transfer these files from games like Forza 4 or Gran Turismo 5 which have basically 100% accurate designs of these cars, interior as well. Once I mill the plug, I cover it in the molding material, then I have the mold. Then I get the parts by filling the molds with fiberglass (I am not sure how this works, or what technique is used PLEASE someone tell me). Then I have the body kit. I would also love to know if I can mill the interior of the car, and if that would work? So then I can get the molds of the interior? More info on that please. If I go ahead with this it is almost written in stone for an Ferrari Enzo, maybe a Reventon. I would really appreciate if anyone could bring all of these questions to rest. Oh, and this would be my first car too . Thanks, I'll throw more questions as I remember them!!! I appreciate anyone to take their time and help me out!

    ~ Chris.
    Last edited by Z3usee; 08-11-2012 at 11:51 PM.

  2. #2
    Senior Member ArashB's Avatar
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    Quote Originally Posted by Z3usee View Post
    So I'm 17, I will be a senior in high school when school starts next week. I go to a magnet school in cali, which has emphasis on science & technology. Due to such emphasis they require students to produce a "senior project" to present to a panel of judges to graduate, I was thinking of doing something very special. After reading several possibly misleading posts about CNC machines and how easy they are to use, I was thinking about buying my own, milling my own plug, getting molds off the plug, getting the fiberglass from the molds, and building my own kit car.


    If this sounds too far fetched to do or complete within 10 months please let me know what I am getting into. Before anyone says what "experience" I need, my father is a auto mechanic, has restored over 10 classic cars completely, knows welding, fiberglass, etc.

    The guys here say it could take years to put a tube chassis car together, unless your dad is a wizard in this stuff and will be putting in lots of his time to help you.


    I have experience with Autodesk Inventor which I've used to design my own robot for class, etc. I just want a genuine answer, is it possible for someone with the resources I have access to, to complete such a project. Please tell me how hard it is to mill the car plug, to get the mold, to to get the fiberglass or to build the car. I would appreciate it if members would let me know how expensive it is to purchase a CNC milling machine, I know it will be cheaper than buying a pre-built body kit, can choose whatever I want to make, I ensure the accuracy. What are those CNC machine kits I've heard about?
    Depends on your budget, the larger the machine the less slices you'll need to do. The Aventador thread is good on CNC information... some of the harder parts are putting the electronics together with tuning the machine and learning Mach3 software.

    Kits
    Pricing guide to DIY CNC mill and router kits Ponoko – Blog


    Is it better to mill a unibody plug to get a unibody mold? If so then I would need a 5axis instead of 3axis? Which would be easier?
    A 3axis machine can make pretty much all shapes if you cut it in enough slices and glue all the foam section together. 5 axis machine are in the 10k+ price range I think.

    I know there are certain computer requirements and software, I have all of that taken car of, built my own computer, it is a true BEAST, I can get the necessary programs, and I have the necessary space to complete such a project. I just want to quickly describe the process, or what I think is how this works. With a CNC machine I can use it to make a foam plug from any 3d file, I can transfer these files from games like Forza 4 or Gran Turismo 5 which have basically 100% accurate designs of these cars, interior as well. Once I mill the plug, I cover it in the molding material, then I have the mold. Then I get the parts by filling the molds with fiberglass (I am not sure how this works, or what technique is used PLEASE someone tell me). Then I have the body kit. I would also love to know if I can mill the interior of the car, and if that would work? So then I can get the molds of the interior? More info on that please. I
    Sounds about right, yeah you can do interiors, carving custom foam seats maybe a challenge.

    f I go ahead with this it is almost written in stone for an Ferrari Enzo, maybe a Reventon. I would really appreciate if anyone could bring all of these questions to rest. Oh, and this would be my first car too . Thanks, I'll throw more questions as I remember them!!! I appreciate anyone to take their time and help me out!
    If you love those cars, Reventon bodies are already out there and I think some builders in Spain have made an Enzo. You can fly out there, buy the kit, and ship it back yourself.
    ~ Chris.
    .....................
    Follow my designs on Facebook fan pages. http://www.facebook.com/AutoArts

  3. #3
    I was thinking to build it on a MR2 not tubular chassis, I know that takes a while and more to do. I'd rather do the bodies myself, so I know what I am getting, cheaper too.

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    If you want an Enzo on a mr2 chassis
    Just buy fillips car. It needs more work but the price can't be beat

  5. #5
    If you read the thread you would see that I am not interested in picking up someones else failed project or buy a body kit. -.-

  6. #6
    Senior Member ArashB's Avatar
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    It just seems like a waste if your going to put all that energy into making a kit car which replicas exist already.

    You probably can do it in 10 months but that means putting in lots of hours. Will you be at school and doing homework most of the time... so in reality can it be done in 5 months for a first time builder, I wouldnt bet on it.
    Follow my designs on Facebook fan pages. http://www.facebook.com/AutoArts

  7. #7
    Well wouldn't it be good to have as a hobby and continue to profit off of in the future?at And I wouldbe getting out at 12 everyday due to the number of classes I took and how my school operates giving me more time for school and this. Doing it myself prevents me from getting scammed and having to deal with delays etc. Not to mention there is no Ferrari Enzo kit, that one in Spain if it is fill ups then I wouldn't be interested as it isn't 100% accurate on the outside, I noticed it is missing some details.

  8. #8
    Senior Member ArashB's Avatar
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    Found it

    Facebook (I guess its okay to post this link to the other pictures as Ive seen it posted on MM before)

    I encourage you to be a kit car builder and you probably can make a replica to fit your deadline with your free time but what are you feelings now that such a good replica is made?



    p.s. I have no idea on the price or donor/chassis of that.
    Follow my designs on Facebook fan pages. http://www.facebook.com/AutoArts

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    Senior Member ncrazyballa's Avatar
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  10. #10
    As an auto shop highschool teacher I suggest that by simply making a 3 axis mill you would be well on your way to a successful project. If you want the extra wow factor, modify one of the model cars and make a complete miniature car design that is new and exotic. If it all works, then go full scale after high school in a college or university. Team up with the electric power lab in that school and you could be famous.

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