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  1. Replies
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    BUILD LOG: Re: Ar last!!! Started my Gantry 3-Axis CNC Build

    Which to use or how well one works over the other moslty depends on the width of machine and like Clive mentions what your cutting.
    The cut off point for me is anything wider than 600mm cut will...
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    BUILD LOG: Re: fresh start 8x4 build

    Ash easiest way is to have two plates. One bolts to the bearings and other is bolted to and part of the gantry. These then bolt together with the lower plate being threaded for bolts passing thru the...
  3. Re: Which thickness CY cable do I need for 1.5kW spindle?

    Here is a chart showing what each size is rated at:

    http://uploads.tapatalk-cdn.com/20160526/f420482ad3da64c758c92093e673714a.jpg

    Here is a list showing the watts to amps conversions:

    WATTS...
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    BUILD LOG: Re: Ar last!!! Started my Gantry 3-Axis CNC Build

    Had a look for my bearings documentation but could not find picture but did find this one online from same supplier same as picture which was on leaflet which got recycled except for being open...
  5. BUILD LOG: Re: Ar last!!! Started my Gantry 3-Axis CNC Build

    See my edit above ^^
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    BUILD LOG: Re: Ar last!!! Started my Gantry 3-Axis CNC Build

    My bearings are the SBR16UU and I did put grease nipples on side and grease them with the gun mine had no grub on the side only on top side was open, if Lee is correct I may have made an error but...
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    BUILD LOG: Re: Ar last!!! Started my Gantry 3-Axis CNC Build

    I'm not sure about SBR16UU type blocks having grease nipples. External features on the sides of these always look like grub screws to hold the bearing in place. I've not re-greased mine and they've...
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    BUILD LOG: Re: Ar last!!! Started my Gantry 3-Axis CNC Build

    Glad to hear you are getting back to good health and able to start back on the machine again.:applouse:

    Its looking good and seems to be nearly there have you started on the electronic etc?
  9. Re: Electronics for New Machine + Chinese Spindle + VFD

    If your going to have Inaccurate home switches then there's no point having them at all really.! . . The whole point is accurecy and repeatabilty and you'll lose this thru a relay.

    If the KK01 can...
  10. Re: Electronics for New Machine + Chinese Spindle + VFD

    #1 No can't use it like you think but yes you can use latching E-stop if you have one.
    The fact you asked this shows me you don't fully understand how this E-stop system works so I'll expalin by...
  11. Re: Electronics for New Machine + Chinese Spindle + VFD

    Ok I've done you a quick Diagram but If your not going to listen your just wasting peoples time and I'm time short as it is.! So either take heed or don't waste my time asking questions your going to...
  12. Re: 2.2KW water cooled spindle and Altivar 12 2.2kW 230V 1ph to 3ph

    Yes when done correctly using shielded cables with correct grounding precautions taken then running VFD cable loosely along side other cables isn't a problem. I do try to run some separation by...
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    BUILD LOG: Re: Ar last!!! Started my Gantry 3-Axis CNC Build

    looking good.. keep the pictures coming... both of the machine.. and the tidy workshop :D
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    Re: Let the fun begin !!! ???

    The way I do it is to use a Relay for limits. This means I can use 24V thru the switches to power the relay coil, in my case Proximity switches, which gives best immunity against noise.
    The drive...
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    Re: Let the fun begin !!! ???

    Sorry delay replying went out last night for a pint which turned into Gallon then Amnesia.!! . . Well No and yes to getting it wrong.?
    Mach as feature called Auto Limit Override which lets you...
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    Re: Motor tuning and switches

    Ok well here goes lets hope this sheds some light.!!

    Starting with motors and series or parallel wiring.?
    This is a choice based on how you arrange the 8 wires. In your case for parallel wiring...
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    Re: Water cooled / air cooled 2.2kw spindle

    Yep it's easy really.!

    Aircooled Cons.
    Aircooled have a Duty cycle so can't run extended periods. How long depends on make and size etc. They are also relatively noisey because they cool using a...
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    Sticky: Re: List of CAD/CAM Software

    "NC Corrector v4.0, a free editor visualizer programs for CNC milling machines (G-code)."

    http://www.nc-corrector.inf.ua/index_EN.htm
  19. BUILD LOG: Re: Build Log: a Steel Box Section Build with SBR20 & Ballscrews Plus a few questions

    Yes the only thing to watch is the amount of adjustabilty on the bed. If you don't need all that height then raise the horizontal frame supports.
    Also doen't hurt to put some 4mm triangle plates on...
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    Re: What is meant by 4-core CY cable?

    You should only use CY for CNC equipment, especially the connections to moving parts, as the SY isn't flexible enough. Here's the official blurb, taken from http://www.bs6500.co.uk/

    "Control...
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    Re: What is meant by 4-core CY cable?

    Let me just say that unless you intend to move this machine about often then I wouldn't use any connectors. Wire direct from motors to control box to lessen any potential for poor connections and...
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    Re: Redesign...Steel is now Extrusion

    This machine was designed just for cutting wood and soft materials, it does cut aluminium but it was never intended or design for that purpose. If you asked me to build a machine for cutting ali you...
  23. Sticky: Re: The Common 2.2Kw Chinese Spindles - Info, Setup and Advice + More !

    Thanks for the heads up on the info. Re the earthing I replaced one of the scoket mounting screws with a longer one (3mmx30mm) so it went right through and stuck out inside then I soldered a cable...
  24. Sticky: Re: The Common 2.2Kw Chinese Spindles - Info, Setup and Advice + More !

    They've tripled the price beacuse........

    "We are sorry that because this item is now out of stock in UK, so we rise the price."

    Will the lower price return when you have stocks in the UK?
    ...
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    Sticky: Random G-code for testing motor tuning.

    Here's a quick spreadsheet which generates random G-code rapid moves (so just G0) within a specified area. It's useful for testing your motor tuning since it will cause the machine to tend to move in...
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