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Type: Posts; User: handlewanker

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  1. Replies
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    Re: Small CNC mill thoughts

    Hi.....my two pennoth worth from experience.......if it's possible you would get the most bang for the buck if you removed the Z axis dovetails, ,as in machine them off completely and fit linear...
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    1,657

    Re: Manual Mill Design Help

    One thing I would say from past experience of using machinery......if it moves it will deflect to some degree.......as it is a manual mill, dovetails will be the way to go, but linear rails and ball...
  3. Re: Is it possible to increase the x travel?

    I think you will need a longer ball screw but that will only be practical if the end support bracket (one one end) can be extended to give you a bit more travel.....how much more travel will depend...
  4. Re: Machining sleeve to get perfect tool runout in cheap toolholder and collet

    Why don't you just shrink a sleeve on your cutters and then grind the sleeve to a set diam.....all of your cutters will then run true.
    Ian.
  5. Replies
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    1,796

    Re: Designing an M48 0.75 Tap

    M48 will put a lot of stress in the part when you force it in........ I have made a few dies in the past and the best ones had lands that were quite small in width so more narrow lands work better...
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    Re: ID Workholding question

    Volume....it all depends on the volume........a part that makes 10 cents on the dollar is only worth it if the volume is high.
  7. Replies
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    Re: BT30 Spindle

    Hi, all good things come to pass with patience.

    After 35 years of it standing in the corner of the garage I had a great need for a mill so I bit the bullet and did a jig borer conversion.

    I've...
  8. Re: Cheap vs expensive collets and nuts for aluminum surface finish?

    What is more to the truth is that nobody has the means to check if a cutter is making a truly circular contact on all cutting edges at the same time during a cycle......only a grinder's wheel with...
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    Re: So I bought a unused/used "buildyourcnc"

    My 2 cents worth........most people want to run with a laptop because the screen and keyboard are in one place......if you are going to run a wood router with hobby needs I think a Win XP computer...
  10. Re: Cheap vs expensive collets and nuts for aluminum surface finish?

    Hi.....on the problem of finish I would say that anyone who uses replaceable rotating tools in collets for cutting.....eg an end mill..... will be hard pushed to get the rotating surface running dead...
  11. Re: Double ball nut worth it for long C7 grade rolled ball screw?

    I find that hard to believe unless you have a duff double ball nut......the whole purpose of a double nut is to create a rigid opposing force on the screw to eliminate backlash.....if you have...
  12. Replies
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    Re: Milli a new composite mill kit

    Hi Pete.......have you considered making a frame........a complete machine........ out of clay so that you can hand mold it to get the desired shape then firing it in a kiln to give it a brick like...
  13. Replies
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    2,169

    Re: SainSmart Genmitsu 3018 PRO question

    While on the subject of the 3018 as sold on Amazon, Banggood and Ebay etc, I think anyone wanting one of these miniscule routers could do far better if they sourced the components and built it from...
  14. Replies
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    Re: SainSmart Genmitsu 3018 PRO question

    Hi....I've gone down this path as I want to mess with a small CNC router for fun carving and engraving etc but after buying a 3018 (still in the box) I decided to build one to my own design (instead...
  15. Re: Lost motion/backlash...gonna have to dive in.

    A DRO on a CNC mill control panel as shown by the movement on the readout is not a DRO per se........it is indicating the rotation of the ball screw and that is as good as a manual mill with just a...
  16. Re: Lost motion/backlash...gonna have to dive in.

    Hi, a lot will depend on your engineering skill ability as far as metalworking goes.......I would not advise touching the dovetails with anything except an oily cloth as they need to be fitted very...
  17. Replies
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    Re: Using Treadmill motor on Metal Lathe

    I suppose you already had the parts from the TM but my 2 pennoth worth would be to buy a 1 HP 3 phase motor and a VFD......did that for my small lathe and my mill too and it was a ten second plug and...
  18. Re: Lost motion/backlash...gonna have to dive in.

    Sigh....those dammed dovetail problems......now you know why linear rails were invented.
    Ian.
  19. Re: Converting a CNC boring machine to full 3-axis

    I would have thought the first strep would be to drive the spindle from a completely separate power supply, that is completely separate......I get the impression from your characteristics that if you...
  20. Re: 'Reference Face' for a steel CNC Router build

    You did not mention the size of the build or your skill level.
    For a small build, like a 3040, you could obtain a piece of granite counter top and use that as a reference surface plate to build...
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    Re: Your hobbies

    I'm a retired engineering person.....that is, I've been in many fields of engineering but now I spend most of my time re-organising my garage workshop to make more room for things I want to make, but...
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    Re: GRBLGRU looks great BUT...

    As I'm building a 3018 from the ground up with upgraded specs but mainly for a fun exercise to see what it can do after it's beefed up, I'm going to go with Mach3......GRBL is too different to...
  23. Re: Newbie looking for advice on first cnc purchase

    You could always build one as a guy in Tasmania is building a midi CNC router on UTUBE at the moment.......1 metre X 1 metre .......approx A$1500.
  24. Replies
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    Re: basic upgrade..!!! help

    So where did the 3018MX3 go to that started the thread.....somewhere it dropped out of sight......I have an interest as I'm building a 3018 with major upgrades from the ground up and was curious to...
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    Re: basic upgrade..!!! help

    I have to wonder where the reference to the 3018MX in post #1 went to.........no reference to a 6040Z anywhere here.....highly confused.
  26. Replies
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    Re: I hate cnc .....

    I'm a golden oldie from the old school of machining but when I retired I decided to dive into the pool of CNC to experience the computer managing the machine moves.

    I don't have parts to make or a...
  27. Re: My first CNC - a small 3018 chinese cheap machine

    Yeah, I suppose I could consider Mach 4 if I knew it was user friendly and worked with my present knowledge of Mach3 which as a complete wet and shaking noob is the extent of my limited knowledge of...
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    Re: Torque for ER20 and ER32 collets

    So, what is all the fuss about then......tool pull down with TTS or cutter runout with any system?

    I think you can get total cutter concentricity with all systems if you're lucky enough with your...
  29. Replies
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    Re: Torque for ER20 and ER32 collets

    You are quite right in the capacity being worked....if it overcomes the holding force of the draw bar system it probably will do some damage elsewhere etc......provided the Bellville washers are...
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    Re: 775 dc motor 18v

    I didn't realise this thread was more than 2 years old.....anyway for those that are interested, there is a 500 watt brushed motor on Ebay with 100 volt DC power supply and aluminium mounting bracket...
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