I have a cam driven clamping system which has a roller and pin follower. I've been successfully using a thin walled (0.04" wall thickness) friction reducing bushing pressed into the ID of the roller to keep things moving. The bushing is a composite structure with a mild steel backing, a...
There is a lot of expertise with sand slurry systems in the oil patch. Contact anyone of the major service companies such as BJ Services, Halliburton, Schlumberger, Baker, etc., who perform gravel packing services and ask to speak with their gravel pack application engineers or chemists. They...