Uhmw is a poor choice as a bearing for two reasons.
Uhmw machining tips.
For best results it s critical to reduce heat buildup since the very act of machining generates friction and thus heat.
Like all polyethylenes uhmw has a low melting point 270 and a high cof 120 x10 in in üf which all contribute to the challenge.
Uhmw is a very unstable material to machine since it has roughly 12x the thermal expansion of steel.
When dimensional stability and distortion requirements of the finished product are most stringent particularly under alternating thermal stress annealing of the semi finished product is recommended.
Some of the key factors that we like to review include the size and geometry of the part the speeds and feeds of the machine plus the types of.
Yet machining is a must since the material is impossible to mold.
Uhmw wood replacement uhmw offers very low moisture absorption and is a popular choice for marine construction applications like dock fender pads pile guards.
Ultra high molecular weight polyethylene uhmw is a high density plastic ideal for screw machine parts that require extremely high resistance to wear and abrasion.
2 uhmw has low load bearing capabilities 500 800psi.
Machining is the principal method used to fabricate finished parts from redco uhmw.
It has the highest impact strength of any thermoplastic and is highly.
Uhmw parts easy to fabricate uhmw is also used for packaging conveyor and food processing machinery parts including star wheels idler sprockets and under chain wear strips.
When not to use uhmw.
Cox manufacturing has a reputation for machining quality parts from uhmw.
The main application we here at redwood plastics see uhmw incorrectly used in is bearing applications.