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Thread: New hobbyist - Purchasing help - What would you buy with $5000AUD?

  1. #21
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    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    Hi,

    I just modelled the heavy C beam extrusion in Fusion 360 but didn't realise the FEA part is in the paid subscription part of the program
    Is it? I know that if you have a large and/or complex model then you can buy compute time on the cloud, but all my models are simple enough to run on my PC.
    I'm just trying to recall when I first started using FEA, before I paid the subscription....I think.....but I can't be sure. I wont say I use FEA regularly but whenever I'm designing a
    part it is of immense value to illuminate those material and section constraints. You'd think its all obvious but until you've modeled and simulated it you just don't know.

    Craig



  2. #22

    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    Quote Originally Posted by joeavaerage View Post
    Hi,



    Is it? I know that if you have a large and/or complex model then you can buy compute time on the cloud, but all my models are simple enough to run on my PC.
    I'm just trying to recall when I first started using FEA, before I paid the subscription....I think.....but I can't be sure. I wont say I use FEA regularly but whenever I'm designing a
    part it is of immense value to illuminate those material and section constraints. You'd think its all obvious but until you've modeled and simulated it you just don't know.

    Craig
    I bet it's very useful for production of parts and things and would save a lot of money on trial and error etc.

    Maybe one day I'll need to pay for the subscription but for now I'll stay with the free version



  3. #23
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    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    C-Beams: basically, NO.
    The trouble with C-beams is very basic: they have little strength against twist. And if they are weak in twist, that is what they will do in any CNC. And the shape can also distort even with simple bending, so they will do that too.

    The difference in weight between a C-beam and a square box section is not great, but the difference in stiffness, against both bending and twisting, is large - very large.

    Rolled steel C-beams are NOT meant for structural engineering.

    Cheers
    Roger



  4. #24

    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    Ok guys so here is what I've found in my searches for a machine.

    Thanks for all your help along the way. I really appreciate it.

    Model Size Work surface Manufacturor Price Link Shipping
    Turbo 1500x1500 1300x1300x100 BlueCarve $4,910.00 Facebook group ???
    Lead CNC 1500x1500 1300x1270x200 Maker Store $3,867.35 https://www.makerstore.com.au/product/kit-leadv3-cc $0.00
    WorkBee V3 1500x1500 1300x1320x110 Maker Store $3,712.03 https://www.makerstore.com.au/product/kit-wbv3-cc $0.00
    Outback 1500x1500 1275x1315x135 Maker Store $5,068.12 https://www.makerstore.com.au/product/kit-otbv1-cc $0.00
    PrintNC 1500x1500 1310x1270x133 ThreeDesign $2,928.34 https://threedesign.store/metric-frame-size-calculator/#f1p0 $0.00
    Scoot 2 Tetra Motion


    As you can probably see the DIY PrintNC is much cheaper but comes at a cost of being DIY. Which I am happy to do.

    PrintNC is also made from steel tubing so it should future proof my machine if I step up into cutting metals.

    So I think that's what I'm going to try and make.



  5. #25
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    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    These are all routers, not true CNC machines. You get what you pay for, but if woodworking is your thing, then they should be OK.

    PrintNC is also made from steel tubing so it should future proof my machine if I step up into cutting metals.
    I am sure it will cut softwood and plastics reasonably well. Big area too.
    If you go slowly it should also manage to cut soft aluminium with a 2 or 3 mm (sharp) cutter as well. Steel? Forget it.

    I suspect that the makerstore aluminium frames will flex with anything harder than wood or plastic imho. But that is what they are made for (or for printing).

    There is a reason why even small CNCs made for cutting metal use many hundreds of kilograms of frame.

    Cheers
    Roger



  6. #26

    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    Quote Originally Posted by RCaffin View Post
    If you go slowly it should also manage to cut soft aluminium with a 2 or 3 mm (sharp) cutter as well. Steel? Forget it.
    Yeah I doubt steel will be easy but I don't really think I will ever be milling steel. Aluminium is probably my limit.

    If I want to mill steel I will get a CNC mill instead.

    But for wood, plastic and Alu I think I can get tolerances good enough for my hobbyist self with the PrintNC and have fun putting it all together



  7. #27
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    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    I think I can get tolerances good enough for my hobbyist self with the PrintNC and have fun putting it all together
    I really am not trying to be critical. Really!
    If you want to CNC wood and plastic, then go for it.
    I suspect that at least half the fun will be in building your machine and getting it to work.

    Cheers
    Roger



  8. #28

    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    Quote Originally Posted by RCaffin View Post
    [I] I really am not trying to be critical. Really!
    It's ok I didn't take it that way. You're just sharing your experience which is appreciated.
    I just didn't want you to think I was hoping to have a machine that can make space shuttle parts lol

    Yeah building things is definitely half the fun... and frustration!



  9. #29
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    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    Tell me about it!

    I have just spent about 2 -3 weeks replacing the drive power supply for the spindle. The KBWT-26 it had died and the company was not forthcoming with help. The internal +15 V rail was reduced to 60 millivolts. They offered no help at all. I don't like companies which do not support their products.

    So I bought a Chinese unit from ebay: 220 VDC, 10 A, ucpu-controlled, ... nice control over parameters, $60 + shipping. Very nice.

    Cheers
    Roger



  10. #30

    Default Re: New hobbyist - Purchasing help - What would you buy with $5000AUD?

    Model Size Work surface Manufacturor Price Link Shipping
    Turbo 1500x1500 1300x1300x100 BlueCarve $4,910.00 Facebook group ???
    Lead CNC 1500x1500 1300x1270x200 Maker Store $3,867.35 https://www.makerstore.com.au/product/kit-leadv3-cc $0.00
    WorkBee V3 1500x1500 1300x1320x110 Maker Store $3,712.03 https://www.makerstore.com.au/product/kit-wbv3-cc $0.00
    Outback 1500x1500 1275x1315x135 Maker Store $5,068.12 https://www.makerstore.com.au/product/kit-otbv1-cc $0.00
    PrintNC 1500x1500 1310x1270x133 ThreeDesign $2,928.34 https://threedesign.store/metric-frame-size-calculator/#f1p0 $0.00
    Scoot 2 1220x1670 1240x900x190 Tetra Motion $4,750.00 https://www.facebook.com/ScootCNC/ ???


    Edited the table to include the Scoot 2 info



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