Smart PCB effector
Posted by dc42
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Smart PCB effector August 14, 2017 07:19PM |
The Smart PCB effector is now available from the duet3d web shop, [www.duet3d.com]. It includes a strain gauge nozzle contact sensor (Z probe), connectors for the contact sensor/the/PT100 and for hot end heater/fan/lighting/print cooling fan, and LEDs to let you know what is going on. It's compatible with the E3DV6 hot end, magnetic rods and ball studs from Haydn Huntley, and linear rail sliders or wheeled carriages with 20x20mm fixing centres.
It's Open Hardware so the source files will be published within the next few days.
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
It's Open Hardware so the source files will be published within the next few days.
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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Re: Smart PCB effector August 16, 2017 07:57PM |
ah. I'm curious about it, where is it on the pcb? Could you take a pic 
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Re: Smart PCB effector August 17, 2017 05:19AM |
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Qdeathstar
ah. I'm curious about it, where is it on the pcb? Could you take a pic
Picture of what exactly? if you mean the strain gauges then they are actually designed into the PCB Traces so not much to be seen on a photo (They can be seen as very fine traces in the copper by eye but they don't show up well on photos)
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Re: Smart PCB effector August 17, 2017 11:24AM |
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dougal1957
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Qdeathstar
ah. I'm curious about it, where is it on the pcb? Could you take a pic
Picture of what exactly? if you mean the strain gauges then they are actually designed into the PCB Traces so not much to be seen on a photo (They can be seen as very fine traces in the copper by eye but they don't show up well on photos)
From the original photo, zoom in at 1:1 pixel:
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Re: Smart PCB effector August 17, 2017 03:19PM |
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dougal1957
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Qdeathstar
ah. I'm curious about it, where is it on the pcb? Could you take a pic
Picture of what exactly? if you mean the strain gauges then they are actually designed into the PCB Traces so not much to be seen on a photo (They can be seen as very fine traces in the copper by eye but they don't show up well on photos)
Oh, ok. I didn't know they were printed on, that's pretty neat... does it detect change in capacitance?
Edited 1 time(s). Last edit at 08/17/2017 03:19PM by Qdeathstar.
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Re: Smart PCB effector August 17, 2017 04:03PM |
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Qdeathstar
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dougal1957
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Qdeathstar
ah. I'm curious about it, where is it on the pcb? Could you take a pic
Picture of what exactly? if you mean the strain gauges then they are actually designed into the PCB Traces so not much to be seen on a photo (They can be seen as very fine traces in the copper by eye but they don't show up well on photos)
Oh, ok. I didn't know they were printed on, that's pretty neat... does it detect change in capacitance?
There are 6 of them in total and they detect very minute flexing of the PCB when the nozzle touches the bed I am getting sub 7 micron deviation on a autocal usually it is more often around 3-5 microns.
They work extremely well. and they are well worth the cost of £45 plus carriage and tax's were applicable, especially when you consider that they include the custom E3D Heatsink assembly.
Doug
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Re: Smart PCB effector August 24, 2017 02:31AM |
Just got my Smart Effector
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Re: Smart PCB effector September 08, 2017 03:17AM |
In another thread I mentioned powdermetals cycloidal direct drive extruder.
I'm wondering if it would fit on the PCB like that? The gearbox housing could be redesigned to replace the nut. But it would be even better to fit the heatsink above the PCB and clamp it down with the M6 nut off the heatbarrier.
Edited 2 time(s). Last edit at 09/08/2017 03:23AM by o_lampe.
I'm wondering if it would fit on the PCB like that? The gearbox housing could be redesigned to replace the nut. But it would be even better to fit the heatsink above the PCB and clamp it down with the M6 nut off the heatbarrier.
Edited 2 time(s). Last edit at 09/08/2017 03:23AM by o_lampe.
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Re: Smart PCB effector September 16, 2017 01:49AM |
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dougal1957
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Qdeathstar
Quote
dougal1957
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Qdeathstar
ah. I'm curious about it, where is it on the pcb? Could you take a pic
Picture of what exactly? if you mean the strain gauges then they are actually designed into the PCB Traces so not much to be seen on a photo (They can be seen as very fine traces in the copper by eye but they don't show up well on photos)
Oh, ok. I didn't know they were printed on, that's pretty neat... does it detect change in capacitance?
There are 6 of them in total and they detect very minute flexing of the PCB when the nozzle touches the bed I am getting sub 7 micron deviation on a autocal usually it is more often around 3-5 microns.
They work extremely well. and they are well worth the cost of £45 plus carriage and tax's were applicable, especially when you consider that they include the custom E3D Heatsink assembly.
Doug
How are they arranged ? 6 ? What bridge?
"A comical prototype doesn't mean a dumb idea is possible" (Thunderf00t)
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Re: Smart PCB effector September 16, 2017 09:39AM |
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MKSA
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dougal1957
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Qdeathstar
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dougal1957
Quote
Qdeathstar
ah. I'm curious about it, where is it on the pcb? Could you take a pic
Picture of what exactly? if you mean the strain gauges then they are actually designed into the PCB Traces so not much to be seen on a photo (They can be seen as very fine traces in the copper by eye but they don't show up well on photos)
Oh, ok. I didn't know they were printed on, that's pretty neat... does it detect change in capacitance?
There are 6 of them in total and they detect very minute flexing of the PCB when the nozzle touches the bed I am getting sub 7 micron deviation on a autocal usually it is more often around 3-5 microns.
They work extremely well. and they are well worth the cost of £45 plus carriage and tax's were applicable, especially when you consider that they include the custom E3D Heatsink assembly.
Doug
How are they arranged ? 6 ? What bridge?
That I can't answer but the arrangement of them is 3 on each surface of the PCB at 120 Degrees apart and are actually part of the PCB Itself coupled with I believe a Rectifier/PSU chip and Amplifier and a CPU of some sort to actually hold the software that does the comparisons you would need to ask DC42 for the finer details or wait for the files to be released on Github if they haven't already
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