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dankamongmen / dankdryer

firmware for the world's best filament dryer
Apache License 2.0
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Design an air shield for the load cell #10

Closed dankamongmen closed 3 weeks ago

dankamongmen commented 1 month ago

We cannot allow the fan to blow air over the load cell, as it would disturb our readings. Instead, there ought be an air shield surrounding (but not touching) the central shaft. The gear needs to be accessible by the motor, so we'll either need some gap in the air shield, or for it only to go up to the gear. I'm not sure which is better. If it does go all the way up, it ought mate to the central hole in the hotbox. In that case, we'd probably just want corner mounts for the shield where it intersects the gear. In no case ought fasteners be required (except to mount the shield to the croom's bottom).

dankamongmen commented 1 month ago

Rather than being a distinct part, let's fold this into the lower mount and the croom. The bottom can be a part of the croom, so long as it fits inside the top part of the shield. This will eliminate a part and four screws, strengthen the shield, and make the lower coupling easier to print.

dankamongmen commented 1 month ago

Though this might make it difficult to attach the load cell to the croom...

dankamongmen commented 1 month ago

i think we can actually just put the entire thing on the croom, so long as we leave room on the lower coupling to stick an allen wrench down there and secure the load cell to its mount. i've gone ahead and made that change to the LC, which i think is an improvement in any case simply due to less material/weight.

dankamongmen commented 3 weeks ago

it's there now, as part of croom.