A ball screw mechanism, consists of a ball screw and a ball nut
with recirculating balls providing rolling contact between the nut and the screw.
-Y axis -- The vertical movement of the axis is made by an endless screw with re-circulating ball nut
. Programmable speed: Speed 30 m/min.
Beaver will utilize high-strength stainless steel for the ball screw and ball nut
to minimize corrosion as an alternative to chrome plating.
The All Whites had an edge in the scrums and both sides generally won their own lineout ball nut
Currie had some real pace behind with Andy MacMahon proving a real handful for the Swansea defence.
And for certain special demands, the ball nut
can be supplied with silicon nitride balls.
By using balls manufactured from silicon nitride instead of tool steel, microwelding in the ball nut
The primary ball nut
included a 17inch diameter mounting flange and involved removing 800 pounds of material to reach the final size.