User Manual

G-4
Induced Soft Foot
A type of soft foot that is caused by external forces (coupling, pipe strain,
etc.) acting on a machine independent of the foot to baseplate connection.
In-phase
When applied to alignment brackets, the term means the Move and Fixed
brackets make the same angle with the horizon at each point of measure-
ment.
Jackscrew (or Jackbolt)
A bolt or screw attached to the base or foundation that is used to move or
position the machine (normally horizontally but sometimes vertically)
which is being moved.
Jackshaft
A long shaft used as a spacer between two machines.
Job
Usually identified with a number and description; represents data accumu-
lated during an individual alignment session.
Machinery Train
Three or more machines that must be aligned to one another.
Master
When used as a communications term, it is the unit that controls and deter-
mines when data will be transferred. In the UltraSpec system, the P/C is the
Master and the UltraSpec Analyzer is the Slave.
Micrometer, Outside
Tool used to measure the thickness of shims.
Milliradian
A unit (normally metric) used to describe the angle of one machine shaft
centerline to the other. It is the equivalent of mils/inch. It can also be
expressed as rise/run (1° = 17.45 milliradians).
Mils
A unit of measure for displacement (thousandths of an inch).