ShopVac Caster Adapter

I used this adapter to attach standard office chair casters to a ShopVac rolling base.
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updated January 1, 2023

Description

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The original four casters on my ShopVac rolling base were low quality and one of mine had broken after “light” use. I had a set of five office chair casters left over from upgrading my original office chair casters to premium roller-skate-style rubber casters (because I don't like rolling to the edge of an office chair mat, have hardfloors, and don't want to scratch my floors - LVP), but the new caster post diameters did not match the ShopVac's. So I made an adapter. This works for ShopVac model CH87-650C or equivalent. For this model, I printed two (2) parts per the model, then printed two (2) mirrored parts.

Original Caster post diameter 7.4mm

Premium caster post diameter 11mm

Printed with PETG

0.4mm layer height

0.6mm line width

Infill  50% Concentric

Links to materials used:

Premium office chair casters: https://www.amazon.com/gp/product/B01G643EU6?ie=UTF8&psc=1&linkCode=ll1&tag=&linkId=ccc6a3210ee22552ec1482585cd50f33&language=en_US&ref_=as_li_ss_tl (highly recommend on hardfloors to prevent scuffing without an office chair mat - and these are not the casters shown in the pictures for this project)

ShopVac CH87-650C: https://www.shopvac.com/products/shop-vac-parts-list-for-ch87-650c-models-10-gallon-red-black-vac-w-removable-dolly

As an Amazon Associate I earn from qualifying purchases. I'm not a 3D printing expert, and prefer not to stay at Holiday Inn Express, so I apologize in advance for the issues you may have with this adapter - I would recommend a remix because I can't imagine every ShopVac caster is created equal.

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