rim and shaft alignment Flashcards
what are the two types of misalignment ?
offset (parallel)
angular
what is angular misalignment ?
when two shafts centre line meet at an angle
can be in horizontal or vertical plane
the faster the machine rotates the better ?
alignment has to be
dished or cone washer can cause the motor to ?
move sideways when tightening down
how would you correct angular soft foot?
use tampered shims or get base machined
true or false
soft foot can be angular or parallel?
true
use what to confirm if there is angular soft foot?
feeler. gauges
what is the most accurate way of measuring soft foot ?
feeler gauges all four corners of the foot
when a shaft moves axially consider it to have ?
end float
postive readings are toward the datum
negative readings are away from the datum
negative number remove shims
postive number add shims