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2 Days AgoI've been using one of these for a few years now. Stands a lot of abuse, and at that price when it does eventually blow up, I'll just bin it and get...8 replies | 279 view(s) -
2 Days AgoMy feeling is that G1 straight-line segment approximations will be fine but you need to start with a smooth curve model, not faceted as per STL, so...14 replies | 434 view(s)
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2 Days AgoThere's an element of "I wouldn't have started from there!" unfortunately. As Doddy says, the STL model is built from a series of flat planes and...14 replies | 434 view(s)
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1 Week AgoSounds like bad luck, then.3 replies | 215 view(s)
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1 Week AgoAny kind of strain relief, or just something to stop it flexing close to the connector? I worry a bit about the same thing on my printer although the...3 replies | 215 view(s)
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1 Week AgoJust for clarity, when you say "it trips," what exactly is happening? Limit switch trigger, e-stop trigger, or what? Always keen to learn from...36 replies | 5469 view(s)
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1 Week AgoWhen I first built my machine, using proximity switches, I had similar problems and immediately worried about noise issues. Turned out to be a...36 replies | 5469 view(s)
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1 Week AgoCouple of things I have looked for when choosing a BOB (or motion controller with integrated BOB) are differential signalling (BOB to stepper...18 replies | 7423 view(s)
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1 Week AgoNeale replied to a thread Help - Current For Stepper Motor Driver AM882 - ProTuner in General DiscussionThose motors sound very like the ones I bought from Zapp around 10-11 years ago - described as Nema 24 as the case is just a little larger than '23....17 replies | 868 view(s)
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2 Weeks AgoNeale replied to a thread Help - Current For Stepper Motor Driver AM882 - ProTuner in General DiscussionAbsolutely correct - that was a weird way to label the connections! "Start of coil" ends of windings (marked with star) should go together. I confess...17 replies | 868 view(s)
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2 Weeks AgoNeale replied to a thread Help - Current For Stepper Motor Driver AM882 - ProTuner in General DiscussionDitto - although the transformer did go pop one day! But that seems to have been some random internal short as before that time it never even got...17 replies | 868 view(s)
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2 Weeks AgoNeale replied to a thread Help - Current For Stepper Motor Driver AM882 - ProTuner in General Discussion"Almost too hot to touch" is about right for steppers! Particularly if you also use the "half current when stationary" setting, I wouldn't worry too...17 replies | 868 view(s)
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2 Weeks AgoI struggled with ball size for a while! The original probe was 3mm, made in one piece with the shank.So I tried to replicate it by fixing a 3mm ball...4 replies | 389 view(s)
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2 Weeks AgoMy new/second-hand CNC mill came with a touch probe. Basically the usual simple design with three pins at 120deg resting in pairs of balls making...4 replies | 389 view(s)
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3 Weeks AgoIt's pretty likely that your 2D-derived cutting uses straight and circular arc moves, both of which can be handled efficiently by the motion control...9 replies | 705 view(s)
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3 Weeks AgoOk, I reckon we have two issues here. First - the original question - is the jerky motion. I would be 95% certain that this is down to the CV...9 replies | 705 view(s)
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3 Weeks AgoIt's times like this that you miss Maplin in the High Street...9 replies | 710 view(s)
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3 Weeks AgoCan't say anything about RhinoCAM - I have used an older version of Rhino itself (v4, I think) and concluded that as an engineering CAD application...9 replies | 705 view(s)
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3 Weeks AgoPart of the problem and maybe the solution lies in your motion control software. There is usually a "CV" (constant velocity) setting. If this is...9 replies | 705 view(s)
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3 Weeks AgoNeale replied to a thread NEW MEMBER: New guy finishing off a mini mill build in New Member IntroductionsAnother quick question on the pc you are using (and Doddy is making useful inputs on the BoB side so these are parallel lines of enquiry!) - are you...42 replies | 3650 view(s)
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3 Weeks AgoNeale replied to a thread NEW MEMBER: New guy finishing off a mini mill build in New Member Introductions"Part of the package I brought was a copy of Mach3" What was the package and where did it come from? There are quite a lot of flaky pirate copies...42 replies | 3650 view(s)
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3 Weeks AgoThanks, Ivan. I have been having problems with tool-height setting macros, but I need to analyse exactly where the problems are. I shall do some...7 replies | 1090 view(s)
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3 Weeks AgoMany thanks - I was about to ask for the same thing!67 replies | 7507 view(s)
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3 Weeks AgoEcogoo 240V/1Ph to 380V/3Ph inverter? Available on Aliexpress. No, I don't have one but various people in the forum have used them. Mate of mine...67 replies | 7507 view(s)
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Spiral toolpath to machine a cone?