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  1. #61
    I think you are right, perhaps milling machinist wax and doing some lost wax tests might suffice me. I think il look at some of the chinese stuff on ebay that seems to ship from the UK or Germany, aswell as contact Stepmores directly.

    Thanks again, I will consider your input!


  2. #62
    One thing I would add is don't be worried about importing, I was somewhat hesitant the first time I imported something but now I do it all the time sometimes whole shipping container loads that I wonder why I ever worried about it.

    The shipping agents take care of everything it is just a question of how VAT is paid. If you buy something made or sold in an EU country the price you pay will have the VAT included in the purchase price. So you are paying the VAT to the seller and they are paying the government. The only difference when importing is that no VAT is charged on the purchase price and when it lands in the country the shipping agent is legally obliged to charge you VAT on the value of the item and pass that to the government. As the shipping agents don't like being unpaid tax collectors for governments they charge you for the admin.

    It is a simple process, usually someone from the local branch of the shipping company in your destination country calls you to say the parcel will land today and tell you how much you need to pay. You already know approximately what this amount will be anyway as you will need to factor it in as part of the cost of making the purchase. Simply pay the VAT immediately to avoid delays causing storage charges and make sure you can take delivery as soon as the agent is able to deliver it.

    Just make sure it is a door-to-door delivery service, if it isn't just factor in an estimated €100 for the final leg of the delivery for a pallet.

  3. #63
    I don't mind the importing so much, Eric of Stepmores promises to get back to me tomorrow with prices + delivery for the 3040/6040 by sea and air, so I'l see what this comes to. In fact, here in Lux i've imported from the us before and since the item didn't disclose a value, the tax guy just emailed me asking for an amount!

    Last random question of the night: different milling bits of different sizes ect will be better suited to certain passes or materials ect, how do you change 'bits' to perform each step? does the machine prompt one a general roughing stage is completed?

    Thanks :)

    Did you

  4. #64
    Not commenting on the Stepmores machines as I have no experience of them but one thing I do have is experience of other chinese made machines. To me the problem comes from the very fact they have to compete on price with other Chinese manufactures. The net result is that they are built to price and the build quality suffers badly for this and the Stepmore machine IMO won't be any differant.!

    They are mass produced so the attention to detail and quality control in areas that matter is just not there. The result being you have to sort it out your self.
    This is ok with electronics as they can be replaced but when it comes to structure of the machine that's quite a differant story. Often they are so poorly made or weak that it's just easier to start again.!
    Now often these machines are ok for cutting woods etc and get away with it because of the low accurecy and tolerences required but when it comes to aluminium they really struggle and show there poor quality.
    Yes they do a stronger Cast machine but again these things will be made to the lowest possible price and when it comes to Cast iron the quality of the cast makes all the difference and IMO the Cast products I see coming out of china range from scrap to just about acceptable.!!. . . Now if you get a bad cast then your in world of even more pain as it's not easy to repair or true up.!

    So what I'm saying is I wouldn't go rushing into buying any chinese machine until you can get a Solid report from someone using the machine for exactly the use you intend.
    I can tell you from cutting huge amounts of aluminium that any machine mostly doing this needs to be very well made and I'm not just taking about strength. When it comes to harder materials like Ali then it very quickly shows any weak areas of a machine so build quality and attention to detail are just as important as the design strength and it's here IME that the chinese machines fail badly every time.

    Regards multisided cutting then it's not just a simple case of remove and flip over if you need accurecy. For accurate turning you will need solid and accurate fixture jigs to help ensure accurate coordinates are re-established. It can be done but needs careful thought and planning.

    Regards the electronics then that smoothie thing I wouldn't touch with a barge pole for creditable routing/milling machine. Ok for 3D printer etc but for routing/milling then it's just not upto the job and will give poor performance in comparison to good digital drives and PC with motion control card.
    Also I don't see any way you can view the cutting path/G-code or control things like feed or spindle speed overide etc which is essential when milling.
    Often you need to tweak the cutting conditions on the fly while working and this lack of interaction is unthinkable to anyone who's used to cutting materials like aluminium etc. This Ok with 3d printers or pick-place machines where you just hit start and walk away but milling then no way would I want this inflexabilty.!

    Next about spindles is the 1.5Kw is just about enough for cutting aluminium but I'd recommend you go with the larger 2.2Kw for spare over head plus the larger ER20 collet system allows larger range of tooling.

  5. #65
    Quote Originally Posted by Nixie View Post
    Last random question of the night: different milling bits of different sizes ect will be better suited to certain passes or materials ect, how do you change 'bits' to perform each step? does the machine prompt one a general roughing stage is completed?
    The CAM software will have profiles for each cutting tool and generate the appropriate Gcode for each pass. The machine will return to the home position for you to change the tool.

  6. #66
    Darren, Jazz, thanks very much for your input. I have decided to wait and buy peice by peice to DIY the machine that suits my needs. I'm not sure weather converting a milling machine to cnc or really building from scratch. The step more machines look great for the money, but I haven't seen any examples of well finished aluminium. I think for me they would just be a compromise.

    Il probably start a build page soon in the diy section!


  7. #67
    Quote Originally Posted by Nixie View Post
    Darren, Jazz, thanks very much for your input. I have decided to wait and buy peice by peice to DIY the machine that suits my needs.
    Wise choice except don't buy anything yet until you have come up with a final design. Then and Only then start buying parts and even then only buy parts that relate to the build as you go along.? By that I mean don't buy electronics etc first as they are not required until the very end and your wasting warranty etc.

    Start a build thread and I will give some input and suggestions for good design that suits cutting aluminium great.

  8. #68

    i just buy a cnc 3040m like craig too, but in the actually version:) eric was very helpfull to ship the machine to germany and i hope that i recives it next week :)

  9. hi thanks for your support. hope you can like our machine and service : )

  10. #70
    i made with my 3040m a short clip, machining in carbon fiber with a costim made 3D printed cleaning system for the dangerous carbon dust.

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