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@IRstuff We don't have gorillas working here, I guess it could be that if the machine filling the carts malfunctions or jams they could move a full cart backwards instead of forwards. That could explain the long gouge I guess, but it still doesn't explain the increased damage here where a full...

@mrfailure No they do not get cleaned.

Thank you! @hendersdc Hmm I didn't even think about the possibility of bearing being pushed into the floor. This would explain the roundness of that particle. Still don't know how to explain more damage to the floor on the parts where only empty carts move. @IRstuff I thought so. But I have no...

The carts are filled with organic powder. They are empty here, because this area is just before they are filled. On other areas full carts are being driven around and my theory is that less damage is noticed there because the metal plates get "polished" by full carts (1000 kg) moving around the...

@Dhurjati Sen and @MintJulep I am unsure about the metal floor plates material, but they look like some kind of low alloy carbon steel. Carts wheels are something like this Link I took a photo with a phone as closely as the camera allowed me. I will add a picture with a measuring tape tomorrow...

Hi! Does anyone know what the mechanism for the wear on the metal plates is? There are empty metal carts with cast iron wheels being transported on the metal floor. To me it seems that particles from cast iron wheels get embedded into the floor causing holes and metal abrasions on the plates...

Thank you for all the help!

Thank you all for the answers! @RobyengIT Google only gives me results with nylon wheels when I type in Ny-hard. No specific matches with an alloy called ny-hard though. @dhengr Currently we are using 2 swivelling casters at the front and 2 stationary ones at the back (size: 200 x 50). Your...

Hello! Not sure which forum is the best for this question. Currently we are using 4 cast iron castors for trolleys for bulk material transport (800-900kg). Due to the wear on the steel floors we would like to change the wheels to something else. I see that often polyurethane wheels are used...