Wade vs Direct Extruders? December 08, 2018 12:30PM |
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Re: Wade vs Direct Extruders? December 08, 2018 12:49PM |
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Re: Wade vs Direct Extruders? December 08, 2018 12:52PM |
Registered: 9 years ago Posts: 383 |
Re: Wade vs Direct Extruders? December 08, 2018 01:24PM |
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Re: Wade vs Direct Extruders? December 09, 2018 02:43AM |
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Re: Wade vs Direct Extruders? December 09, 2018 03:33AM |
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Quote
o_lampe
Common sense is: an e-machine has full torque from 0RPM on.
I once found a torque curve of a pancake-stepper that surprised me. It looks, like it needs a gear reduction and run above 75RPM.
Maybe it was only their test-setup or the driver, but it's worth keeping in mind.
Re: Wade vs Direct Extruders? December 09, 2018 02:44PM |
Registered: 12 years ago Posts: 2,470 |
Re: Wade vs Direct Extruders? December 09, 2018 03:48PM |
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Quote
Srek
I still have a wade running in my old machine (8 years now) and it does a very good job, even though its strength is wasted on the 1.75mm filament and the Merlin hotend.
With 1.75mm filament there is no real need for a geared extruder, yes, the theoretical resolution is better, but i can't say i have seen that this ever mattered to me. At Protoworx they use simple direct drive extruders with a Merlin and the print quality is basically perfect down to layerheights of less than 0.1mm.
I'm not sure about that switch to 1mm filament the dentist expects, it is already used by bigger commercial systems, where the extruder and nozzle are minimalistic and are thrown away with the filament cartridge, but i have yet to see an advantage for RepRap printers.
Re: Wade vs Direct Extruders? December 09, 2018 04:42PM |
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Re: Wade vs Direct Extruders? December 09, 2018 04:57PM |
Registered: 9 years ago Posts: 383 |
Re: Wade vs Direct Extruders? December 21, 2018 09:33AM |
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Re: Wade vs Direct Extruders? December 21, 2018 10:36AM |
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Re: Wade vs Direct Extruders? December 22, 2018 02:16AM |
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Quote
WesBrooks
I tend to see missed steps on my 12V geared RepRapPro extruder/hotend at about 10mm3/sec through a 0.4mm nozzle. That's around 65-75mm/sec print speed with PLA @190C, 0.3mm layers and 0.5mm extrusion width. Not that greater speed.
Re: Wade vs Direct Extruders? December 22, 2018 04:05AM |
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Re: Wade vs Direct Extruders? December 24, 2018 01:39AM |
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Re: Wade vs Direct Extruders? December 24, 2018 02:26AM |
Registered: 6 years ago Posts: 1,007 |
Quote
piper3d
Last time (today) I checked Lulzbot printers at microcenter they have been equipped with Wade's extruders. I heard Lulzbot have been moving to bondtech, but most likely because it is too expensive to make Wades extruders considering the cost of the local workforce.