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- 03-09-2008
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- Viewing Thread Belt drive vs direct coupling pro's and cons, Poll
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2 Days AgoIf it's a Dyson, strip the cyclone section down and give it all a wash. IIRC there's a ring of screws that hold it all together. They eventually...8 replies | 279 view(s) -
2 Days AgoI was going to write what Neale has said. Pretty much any semi-decent motion controller will now handle multiple G1s, but for optimum...14 replies | 434 view(s)
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2 Days AgoSo scrap of paper calcs. 3KW at 24000RPM, gives 1.19Nm of torque. I just used the second calc down on this page - https://planetcalc.com/1908/ , as...7 replies | 392 view(s)
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3 Days AgoHow much breaks if something goes wrong :-) Although too big a servo on too light an axis can cause tuning/stability problems. IIRC the amount of...6 replies | 315 view(s)
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3 Days AgoI put a 400W on the X-axis, and a 750W on the Z-axis of my Cyclone, although I think I changed the gearing on mine to give a greater ratio so the...6 replies | 315 view(s)
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3 Days AgoI think I've probably looked at 4th axis more than most on here, but still never got around to making one. For woodworking, you do have the benefit...7 replies | 392 view(s)
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5 Days AgoAoA doesn't appear in any of the manuals I have. The nearest is E.oA.A, which is for motor overload during acceleration. How hard are you pushing...1 replies | 220 view(s)
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1 Week Agom_c replied to a thread NEW MEMBER: New guy finishing off a mini mill build in New Member IntroductionsThat looks like some quite bad backlash. I'd start with measuring to see what backlash there is, before worrying about any tuning.42 replies | 3650 view(s)
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3 Weeks AgoAir freight capacity is greatly reduced due to a lack of passenger flights. There are passenger planes flying solely for freight, and even Airbus...67 replies | 7507 view(s)
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3 Weeks Agom_c replied to a thread Help with wiring on a stepper please (Very No0b question dont laugh) in Stepper & Servo MotorsAs long as the correct coil pairs are matched, the only difference it'll make is what direction the motor runs.6 replies | 670 view(s)
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3 Weeks AgoAndrew Mawson (awemawson on here IIRC) has done this. Probably worth having a search of his machine rebuilding threads over on the madmodder forum2 replies | 280 view(s)
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3 Weeks AgoThis lathe - http://www.mycncuk.com/threads/13970-New-CNC-lathe-day My current set up is- 7.5KW Boost VF -> sine wave filter -> idler motor (the...67 replies | 7507 view(s)
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3 Weeks AgoDon't cripple a machine this size with steppers. Servo's aren't that much more expensive, and will be far better than even closed loop steppers....5 replies | 800 view(s)
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3 Weeks AgoI'm currently running my complete lathe via a 7.5kw boost inverter, albeit still with the motor from my old rotary phase converter running to provide...67 replies | 7507 view(s)
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4 Weeks Agom_c replied to a thread NEW MEMBER: New guy finishing off a mini mill build in New Member IntroductionsIn all honesty, you need to consider what controller you'd like to use. The parallel port is largely dead (for Mach, anything newer than Win7, or...42 replies | 3650 view(s)
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4 Weeks AgoBig thing that jumps out to me, is you're using pulley diameters, not number of teeth. Although diameters will give you a rough calculation, it's...5 replies | 800 view(s)
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4 Weeks AgoLooks like a JST. Pretty common connector, and you'll find premade pigtails available from various sources, if you don't want to crimp your own.3 replies | 467 view(s)
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4 Weeks AgoSo the resume button has tentatively been pressed for this project, as I'm getting fed up hand machining bits of wood. Some initial sketches have...13 replies | 3368 view(s)
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4 Weeks AgoI've been called worse, but at least I actually produce evidence that I have machines, not keep posting the same specs of a wonder lathe nobody has...32 replies | 4152 view(s)
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Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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Spiral toolpath to machine a cone?