Add a low friction bearing surface to a PP component
Add a low friction bearing surface to a PP component
(OP)
Hi
I have an application with a polypropylene wheel running on another PP component. To make the wheel rotate as freely I have added cylindrical ribs on the running surface for the wheel to run on and this works but I am concerned about wear to the wheel.
1. Can anyone suggest a suitable grade of PP or filler for the wheel to reduce friction/wear?
2. Alternatively what do you think of a twin shot moulding with another more suitable material for the bearing surface of the wheel.
I have an application with a polypropylene wheel running on another PP component. To make the wheel rotate as freely I have added cylindrical ribs on the running surface for the wheel to run on and this works but I am concerned about wear to the wheel.
1. Can anyone suggest a suitable grade of PP or filler for the wheel to reduce friction/wear?
2. Alternatively what do you think of a twin shot moulding with another more suitable material for the bearing surface of the wheel.





RE: Add a low friction bearing surface to a PP component
Chris DeArmitt
Plastic Training Webinars since 2003
visit: www.plastictraining.com
RE: Add a low friction bearing surface to a PP component
Personally, I like this approach better. The alternative material in my mind would be a suitably sized rolling element (e.g. ball) bearing.
RE: Add a low friction bearing surface to a PP component
RE: Add a low friction bearing surface to a PP component
You could press fit a UHMWPE "tire" on your wheel and save the trouble of two shot molding.
RE: Add a low friction bearing surface to a PP component