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IR Sensor with PEI plate

Posted by WZ9V

WZ9V

IR Sensor with PEI plate
September 07, 2015 08:23PM

Registered: 10 years ago
Posts: 293

I'm planning to use the IR Sensor with the following build plate stack.

PEI Plate 0.762mm
3M 468 Adhesive Tape 0.128mm
Glass 3mm
Aluminum heat spreader 2mm

Would the PEI plate be sufficiently opaque or do I need to consider painting the glass or aluminum?

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dc42

Re: IR Sensor with PEI plate
September 08, 2015 03:16AM

Registered: 10 years ago
Posts: 14,672

I haven't tried the sensor with PEI plate as a target. I suggest you print a sheet of mostly black paper and test the sensor with and without it between the glass and the aluminium, to see if it affects the trigger height.

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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3DRapidClone

Re: IR Sensor with PEI plate
September 21, 2015 11:31AM

Registered: 10 years ago
Posts: 140

Have you tested it? I am also pretty curious as I have a PEI bed stack before committing to the IR sensor purchase.

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WZ9V

Re: IR Sensor with PEI plate
September 21, 2015 08:37PM

Registered: 10 years ago
Posts: 293

Not yet. I got distracted with some other projects. I did confirm that others have plugged it straight into a SmoothieBoard and had it work as expected without having to do the mods.