This transparent view of a parallel twin-screw extruder illustrates the structure of the basic hardware that accomplishes compounding and end product extrusion in one step without subjecting the ...

A ZSE-50 mm HSEI twin-screw extruder. Segmented screw elements on high-torque splined shafts. An HSEI process section with modular barrels and screws.An example of a co-rotating, intermeshing HSEI ...

Pedicle screw fixation is extensively performed to treat spine injuries. Post-operative complications can lead to back pain or revisions. Finite element models could predict the outcomes of surgeries ...

Using balls manufactured from silicon nitride instead of tool steel eliminates microwelding in the ball nut. Available ball-screw sizes are 6 3 mm, 8 1 mm, 12 3 mm, 16 5 mm, 32 10 mm, 40 5 mm, and 40 ...

The screw conveyor has an extensive history. Archimedes (ca. 212 BC) invented the first screw conveyor, and his design is still used today for irrigation and grain transfer. Screw conveyors became ...

Improved characterization of twin-screw extrusion enables increasing use in pharmaceutical manufacturing. Twin-screw extrusion, a continuous mixing process, is gaining acceptance for producing ...