3.0.6 FUNCTIONAL CONTROL
METAL BELLOWS: The metal bellows is a stainless steel welded
version and uses high vacuum seals at each end. The effective area of the
bellows is 532.1 sq.. cm.
POSITION SWITCHES: There are three position switches. One reports
to the controller board if the bellows is extended near its maximum
length. Another will report to the controller board if the bellows is
compressed to near its minimum length. The third switch is used as a
home reference point for the beginning of a profile.
LEAD SCREW: The lead screw is 1.125-inch diameter and has 5
threads/inch. The mating ball nut has seven effective turns with a
maximum axial lash between nut and screw of .009 max. It is coupled to
the motor using a flexible coupling having a zero backlash.