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Type: Posts; User: Jon.N.CNC

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  1. Replies
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    Driver Peak vs RMS

    Hi There.

    I have just noticed that the datasheet for the drivers i use have updated now with both Peak and RMS.

    I use 4.1a steppers, The driver settings available are 3.8A peak 2.7A rms / 4.3A...
  2. Re: Rapids Exceeding Configured Axis Velocities

    It was most likely a corrupt xml setup file. Mach3's favourite trick. In most cases duplicate motor tuning settings conflicting. Makes for some very odd behaviour, if you copy a velocity setting and...
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    Re: Urgent help needed. TIA

    No help here then
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    487

    Re: Urgent help needed. TIA

    Further update. air cutting same sheet that has shown issues with the y and monitoring voltage across the 3 x dsp drives @ 47.7 - 47.8v constant. Changed connectors for new ones now they are staying...
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    487

    Re: Urgent help needed. TIA

    Update.. Ive let connectors cool. and when machine switched on and the connectors and wires around connectors get hot immediately, (bullet type automotive ones)
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    487

    Urgent help needed. TIA

    Hi There.

    Okay, Machine has been running without electrical fault for nearly two years. I'm now getting an odd issue where the y axis (2 x slaved nema23 planetary boxes run from x 2 dsp mosfet...
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    Re: SHOW YOUR DUST BOOT/PICK-UP SHOE...

    My supper smooth swinging boot made from old bits (round rail carriage originally off the z, Locks beautifully utilising the oil hole lol doesn't mark the round rail either :) )

    High Density PU...
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    Caution with ebay cnc sales

    Hi There.

    If considering buying a cnc machine from ebay, Someone is hacking ebay accounts and listing cnc machines.

    I almost fell into his trap.

    Fortunately I searched the machine and...
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    Venturing into cnc, sketchup has very limited...

    Venturing into cnc, sketchup has very limited value once you have the machine running if any. My advice would be to learn fusion 360.
  10. I have just built a shoe like fretman idea. It...

    I have just built a shoe like fretman idea. It stays at a fixed height. Works much better a than a brushed boot and I think you could introduce compressed air and still contain it. A brushed shoe not...
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    Maybe thats what it boils down to, SFU nuts are...

    Maybe thats what it boils down to, SFU nuts are rubbish plain and simple. 4 months contunous use 5 days a week seems to be the average life of one of these.

    When I complained to the shop they...
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    No grease. Found Grease clogs these up, even the...

    No grease. Found Grease clogs these up, even the lightest of lithium grease. Clogging destroyed the nylon ball return jumpers on the first one I had, on nut 4 now. They are now oiled automatically at...
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    Re: T-Slot DIY Beast Build -> 1500 x 1000 x 400

    similar to mine except i went a bit heavier. Worth strapping the two profiles together on the back of the gantry. The round rail z was a temporary solution that is infact doing its job but square...
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    SFU nut and nema 34

    Thought id post this image for anyone considering using a 20mm sfu ballscrew and nut with an nema 34 8.1nm. This is the second nut the balls have worn their own grooves in. Think these are really...
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    Re: UK Plywood Price hike.

    All im finding is how russian timber sales are up, britain and russia to enter trade deal. https://www.globalwoodmarketsinfo.com you might have though would have had some information on this. Could...
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    Re: UK Plywood Price hike.

    apparently though i can see no evidence of this but Russia have closed a trade route so now all the pressure is on latvia who cant cope with demand so have raised the prices. £68 inc vat a sheet...
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    UK Plywood Price hike.

    Just got off the phone to james latham after 3 other suppliers quotes were disappointing, anyone else heard that birch ply prices are going up by 20% over the next month.
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    Cheap 2 core switch wire

    Was looking for switch wire when this occurred to me, and seems to be cheaper than off the roll here in the uk so thought id share.

    ProSound Orange XLR Male to Female Cable 20m | Maplin

    Also...
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    Unwanted vibration

    Hi there.

    I'm currently cutting out 120mm circles in 25mm ply and ive started getting vibration which starts at around 3/4 of the way around the circle and end when circle is complete. 7mm doc,...
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    Interesting, well beyond my programming...

    Interesting, well beyond my programming knowledge. I will do some search queries on memory Leaks Thanks
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    This had occurred to me. However one PC has no...

    This had occurred to me. However one PC has no internet connection :s one is running win 7 the other Windows 10. For them both to fail on the same day is very odd.

    Talking with Balazs atm.
    ...
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    Re: Well. 2x uc400 runaway events

    Haha now my other machine has done it with a completely diffrent program. What is going on. These machine have run perfectly up until now.

    They were both updated with latest version a little...
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    Well. 2x uc400 runaway events

    Well I've had a crap day with the uc400 and uccnc today. Mashed up two pieces of stock when uccnc failed to stop at the coordinate and dro continued on. Have run the program many times with uc300 and...
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    I must have been half asleep when I commented on...

    I must have been half asleep when I commented on this this morning, I was referring to cooling water not cutting fluid. Lol I agree spraying antifreeze not a good idea.
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    Re: Stinky Coolant

    I use anti freeze at a high concentration, which is kept refrigerated. 2 years and still just smells of antifreeze. Some people complain it stains pipes but mine are still spotless.
  26. Replies
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    I see, in which case I would be considering using...

    I see, in which case I would be considering using acrylic if you're router is not plywood already that is. Ply looses is rigidity in small brackets. Especially in a shed where the humidity might be...
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    I've been searching for some figures on this...

    I've been searching for some figures on this effect however It's not returned any results. I'm pretty sure it is the case. One way to tell is switch them all on without spoil board and see if your...
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    Re: New vacuum table for CNCRP 4896

    Look forward to it. I am limited to single phase here and a rubbish amount of amps so this type solution is looking to be my only option. Am i right in thinking the current draw of these vacuum...
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    Re: What to machine spindle clamp out of?

    would it not just be easier / possibly cheaper to buy one?
    65mm Diameter Spindle Motor Mount Bracket Clamp | eBay

    Edit: get the feeling this is irrelevant now. People always tell me i need to...
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    Re: override limits not working

    Yeah of course if forgot about that overwrite check box. Cheers.
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