Rubbermaid Dustpan - Blade Repair/Replacement
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A Rubbermaid brand dustpan needs a blade transplant.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Mechanical Parts
- Licencja
- Creative Commons — Public Domain
My (very old) dustbin and broom set from Rubbermaid is typical in that the dustpan has a flexible "blade" attached to the bottom front. Over the years these can become brittle and break off.
My dustpan is otherwise in good condition, but without the blade part it does not work as well as it should, so I modeled a replacement in TPU. I have included a screen shot of the profile in CAD to show how the edge of the dustpan looks, and how the blade fits to it.
Assembly and Use
Before attaching the new blade, the groove where the blade attaches must be cleaned of residue from the old blade. I made a scraper for this purpose by carving a "popsicle" craft stick into a small chisel shape (see photos).
A polyurethane glue (I used Gorilla Glue) is used to attach the new blade. Painter tape is used to hold the new blade in position while the glue is setting (see photo). Allow the glue to set for a full 24 hours.
You may also notice in the photos that the dustpan had a bit of one corner broken off - I repaired this with white epoxy putty.
Print Instructions
Print in FLEX using the 3mf files provided, otherwise :
0.1mm layer height
5 perimeters
15% grid infill
top and bottom fill patterns = concentric
Note the 0.1mm layer height - this is important to minimize the "stair step" effect on the top of the blade.
A small confession here - I had actually intended to print with the number of perimeters high enough that I would get a solid piece with 0% infill. I didn't realize my mistake until the print was almost done, so I just let it complete and used the result as it seemed to be OK. Setting perimeters = 20 and 0% infill would accomplish my original intent.evident from just looking at the model, but the bottom of the print has a 2 degree angle, so be sure you have set that face against the print bed.
CAD
The OnShape 3D CAD files for this are here :