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Any CNC Machine experts here?

Discussion in 'off topic' started by richardg, Mar 20, 2020.

  1. richardg

    richardg Admonishtrator

    I think it is time for RSR Moto to buy its own machine. I am sick of external supply, I'd rather bring it in-house. It looks kind of daunting, though. I'd like to think I could go on a 4 week course, become good at it in that time, buy a machine for under 50 grand that does what we need, and then get machining our parts. Instead of waiting ages for our jobs to be done and paying loads for our low runs of 100-200 pieces.

    Am I dreaming?
     
  2. Colin Barron

    Colin Barron pfm Member

    What are you making.
     
  3. richardg

    richardg Admonishtrator

  4. Vinny

    Vinny pfm Member

    A business that has not done the sums before getting this far!!!!!!!

    You need financial guidance, not guidance in machine purchase.

    As far as any machine goes, I would offer one piece of advice, based on your OP - buy second-hand, with guidance, ideally from a closure/bankruptcy sale, failing that, from a dealer. Or reconditioned/rebuilt, from a reputable source. Save yourself a FORTUNE.
     
  5. richardg

    richardg Admonishtrator

    I don't get your first 2 sentences. How do you know that?
     
  6. Vinny

    Vinny pfm Member

    I do not KNOW it, but that is what your OP shouts.
     
  7. Barrymagrec

    Barrymagrec pfm Member

    Yes.

    The time it takes you to get proficient, cost of materials, extra tooling and the loss of focus on your core business will be very detrimental to your bottom line.

    Machining is a specialised business, get on good terms with a decent company - I believe there are companies in Czech, for instance that are very competitive.
     
    Vinny likes this.
  8. Colin Barron

    Colin Barron pfm Member

    Find decent suppliers. It takes years of to train a toolmaker and with small batches that is basically what is needed.
     
    AndyPW and Vinny like this.
  9. Vinny

    Vinny pfm Member

    ^^^^ essentially my points also.
     
  10. sq225917

    sq225917 Bit of this, bit of that

    Figure in several grand for software licenses and 35k a year for someone to run the machine.

    I have some pushbike industry cnc contacts, that might suit, depends on your current per unit costs
     
  11. gintonic

    gintonic 50 shades of grey pussy cats

    I think you'll need about £0.5m to tool up, train, buy machine etc...
     
  12. Vinny

    Vinny pfm Member

    What kind of sweat-shop are you proposing? 35k a year!! Salary maybe, but not total cost.
     
  13. richardg

    richardg Admonishtrator

    Thanks....option B then, find a partner that is already a specialist but can't quite afford one and buy it together.

    Honestly, guys, I have worked with loads of cnc companies and it's never ideal. We have to compete with cnc work in China as motorbike parts are quite competitive. Prices (and service) in France are a joke, minimum quantities in Germany are a joke. And we cant be doing with the shite we get from China either. Or their delivery times.
     
  14. russel

    russel ./_dazed_and_confused

    our prototype workshop has just bought one of these which looks like what you want, I think running costs would be about 150 euro an hour including labour and you would need someone skilled to operate it.


     
  15. stevec67

    stevec67 pfm Member

    Yes.
    Engineering is a specific job for a good reason. Find a manufacturer who wants to do short runs and use them. I know a number of small scale food suppliers who contract manufacture their goods and make a very good living. In contrast one such decided to set up his own operation, after 8 years the business has folded and is worthless.
     
  16. richardg

    richardg Admonishtrator

    Bargain!
     
  17. richardg

    richardg Admonishtrator

    per year?
     
  18. Colin Barron

    Colin Barron pfm Member

    It could be worthwhile to learn how to accurately measure parts and buy gear to do that to confirm your parts are to spec. For example a measuring table, height gauges. slip gauges, roundness measuring equipment etc. Work with suppliers and find out what they use. Manufacturing is very different to box shifting. Buy second hand, but you need to know what you are buying.
     
    richardg likes this.
  19. gintonic

    gintonic 50 shades of grey pussy cats

    of course, this ain't going to be cheap
     
  20. richardg

    richardg Admonishtrator

    what was the damage on that?
     

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