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Pipsqueak Loom
07-02-202006:51 AM
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2 Days AgoIt might be possible to prevent this problem by fitting a resistor somewhere on the BOB to pull the relay control line to ground but without a...21 replies | 1596 view(s)
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3 Days AgoKitwn replied to a thread NEW MEMBER: New guy finishing off a mini mill build in New Member IntroductionsAfter you check the backlash you might check the acceleration setting in your controller software as well. Winding this back will increase the cuting...42 replies | 3459 view(s)
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3 Days AgoJohn11668, I have recently had a problem where my spindle started unexpectedly after the LinuxCNC PC closed down when I didn't expect it to. I...21 replies | 1596 view(s)
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3 Days AgoThanks Phill. I might try this, though at the moment I just want to start making some bits with a working machine, which is what I now seem to have....36 replies | 5236 view(s)
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3 Days AgoConnecting the spindle cable braid to the spindle body has a lot to do with safety, there being plenty of volts available to spoil your day, though...36 replies | 5236 view(s)
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3 Days AgoIt's just possible you may be right.36 replies | 5236 view(s)
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4 Days AgoI haven't actually removed the EGIM but it does strap the input to ground. I have made some interesting measurements though. Some screen grabs from...36 replies | 5236 view(s)
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5 Days AgoPutt's Law comes to mind here... "Technology is dominated by two types of people: those who understand what they do not manage and those who...11 replies | 1208 view(s)
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5 Days AgoDoddy, Neale, Thanks for the words of encouragement and I'm open to any advice anyone wants to offer! More decoupling of the BOB power supply is...36 replies | 5236 view(s)
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6 Days AgoSo after all that the wretched thing tripped again after 5 minutes of behaving itself! Plugging the VFD into a different mains socket fixed it...36 replies | 5236 view(s)
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1 Week AgoThat's very interesting. I've just re-built my own machine onto a base with castors and in spite of checking the alignment of rails and ballscrews I...11 replies | 617 view(s)
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1 Week AgoI've fitted the mains filter and installed it in the machine. I can now power the whole beast including the controlling PC running LinuxCNC,...36 replies | 5236 view(s)
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1 Week AgoI've always moved all the axes away from the limit switches by around 10-15mm. This is fundamental to LinuxCNC so pulling all the axes away from the...36 replies | 5236 view(s)
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1 Week AgoNaahhh. You want the machine that belongs to me. Oh, sorry! You said 'dream' not 'nightmare'.48 replies | 4651 view(s)
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1 Week AgoThanks John,, All cables, including the short fruns from the BOB to the steppers, the cables out to the motors and the returns for the proximity...36 replies | 5236 view(s)
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1 Week AgoThe alignment with taught wires went well. Having built a more solid base than previous I was a bit more careful and took more time on this ocassion....36 replies | 5236 view(s)
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1 Week AgoKitwn replied to a thread Help - Current For Stepper Motor Driver AM882 - ProTuner in General DiscussionYou're not the only one mate!17 replies | 815 view(s)
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1 Week AgoAbsolutely true, but you have to take great care. When I was a shiny new trainee at the BBC Transmitter Dept. back in the early 80s there were two...18 replies | 7345 view(s)
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1 Week AgoKitwn replied to a thread Help - Current For Stepper Motor Driver AM882 - ProTuner in General DiscussionNeale, Have another look at this please. My assessment of the drawing with it's 'start of winding' marks would suggest connecting A to -C and -A...17 replies | 815 view(s)
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1 Week AgoKitwn replied to a thread Help - Current For Stepper Motor Driver AM882 - ProTuner in General DiscussionThere has to be something more than just the stiffness of the bristles involved here. Is the frame of the boot catching on something? You'd have...17 replies | 815 view(s)
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1 Week AgoThar be dragons indeed! One of the problems with protecting against electrical interference is that you're dealing with a wide spectrum of...18 replies | 7345 view(s)
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1 Week AgoIf I were building from scratch I'd definately be going for the AXBB-E and UCCNC software combination rather than my current parallel port and cheap...18 replies | 7345 view(s)
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1 Week AgoCoco, The accepted wisdom is to connect cable shields to ground only at one end, usualy in the control box, and to connect them all to a single...18 replies | 7345 view(s)
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1 Week AgoI was minded to say something similar about the bench. All this discusion of machines jerking around reminded me (as I briefly mentioned above) of...48 replies | 4651 view(s)
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2 Weeks AgoI'll add a 'Wow!' of my own, that's brilliant. I know the Aztec calendar is a popular test but it's the ability to cut out pieces like this that will...48 replies | 4651 view(s)
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2 Weeks AgoFailed to notice the window first time round. A far more sensible interpretation. I agree, it's a very nice machine. You can see how years of...48 replies | 4651 view(s)
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2 Weeks AgoDean, I was, as usual, being slightly facetious, your standards and mine are very different for good reasons. But the key point I had in mind is......48 replies | 4651 view(s)
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2 Weeks AgoVery neat! Nice to see Dean using some of the same design ideas as me :cool: I like the bespoke furniture making the best use of limited space. I...48 replies | 4651 view(s)
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2 Weeks AgoElement14, formerly Farnell, are another possibility. As one of the members on this forum points out in their signature, if you didn't buy it from...9 replies | 674 view(s)
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2 Weeks AgoKitwn replied to a thread Help with wiring on a stepper please (Very No0b question dont laugh) in Stepper & Servo MotorsIn the USA they use black for positive and white for negative. You find a lot of imported 12V stuff for cars and caravans in Australia like that...6 replies | 620 view(s)
About Kitwn
Basic Information
About Kitwn
- City:
- Exmouth
- Country:
- Australia
- Interests:
- Wooden clocks, electronics, music.
- Occupation:
- Electronics Tech.
- Biography:
- British by birth, Australian by choice.
Signature
Engineering is the art of doing for ten shillings what any fool can do for a pound.
Wellington.
Wellington.
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Advice on 4th Axis