Re: Project: Teacup Firmware June 18, 2011 07:23AM |
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Re: Out of sequence G-code June 20, 2011 02:30PM |
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Re: Out of sequence G-code June 20, 2011 06:18PM |
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Re: Project: Teacup Firmware June 20, 2011 06:59PM |
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Re: Out of sequence G-code June 20, 2011 07:05PM |
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Re: Out of sequence G-code June 21, 2011 02:14PM |
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Re: Project: Teacup Firmware June 21, 2011 03:43PM |
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Re: Project: Teacup Firmware June 21, 2011 03:58PM |
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Re: Project: Teacup Firmware June 21, 2011 09:29PM |
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Re: Project: Teacup Firmware June 22, 2011 01:12PM |
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Re: Project: Teacup Firmware June 22, 2011 04:09PM |
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Re: Project: Teacup Firmware June 23, 2011 08:13PM |
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Re: Project: Teacup Firmware June 23, 2011 08:43PM |
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Re: Project: Teacup Firmware June 23, 2011 11:25PM |
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Re: Project: Teacup Firmware June 24, 2011 09:51AM |
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Re: Project: Teacup Firmware June 24, 2011 10:04AM |
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Re: Project: Teacup Firmware June 24, 2011 10:25AM |
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Re: Project: Teacup Firmware June 24, 2011 05:03PM |
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Re: Project: Teacup Firmware June 24, 2011 10:13PM |
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// M2 - end program case 2: queue_wait(); // no break- fall through to stop code below when queue is empty // M0, M112 - emergency stop case 0: case 112: power_off() cli(); for (;; ); break;
Re: Progress July 13, 2011 05:39PM |
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Re: Progress July 13, 2011 08:27PM |
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Re: Progress July 14, 2011 02:17PM |
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Re: Progress July 17, 2011 01:06PM |
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Re: Progress July 17, 2011 08:49PM |
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Re: Progress July 17, 2011 08:59PM |
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Re: Progress July 20, 2011 10:03AM |
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Re: Progress July 20, 2011 11:24AM |
Admin Registered: 17 years ago Posts: 7,879 |
Quote
If we assume that the nozzle is not partially blocked by being too close to the print-bed the only real influence we're left with is the pressure in the chamber.
Quote
The force with which the filament is pushed into the melting chamber should be a great indication of the pressure in the chamber (p = F/A or pressure = force/area),
Re: Progress July 20, 2011 01:09PM |
Registered: 13 years ago Posts: 52 |
Quote
nophead
Not a good assumption. When the last filament of an infill is being injected into the remaining trench it does require more pressure than the first outline. Also unless the bed is absolutely level the pressure during the first layer will vary. When spanning a bridge it will be less also.
Quote
nophead
Again not true. Most of the force is pushing the very viscous, only slightly molten, plug at the transition zone of the extruder. And I believe there is a negative slope region where faster flow reduces the size of the plug and requires less force.
Re: Progress July 20, 2011 03:01PM |
Admin Registered: 17 years ago Posts: 7,879 |