Emerson 2130 RBM Consultant Pro, Справочное руководство

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G-2
Brackets (or Fixtures)
Components that mount to machine shafts or couplings to measure the relative
position of the centerlines of two machines.
Coefficient of Thermal Expansion
The constant value or factor of expansion of a metal for a given increase in temper-
ature per length of the metal. This is different for each type of material.
Cold Alignment (or Static Alignment, or Primary Alignment)
Condition in which machines are normally aligned. Changes in off-line to on-line
running conditions should be allowed for during this procedure so that the
machine will “grow” into alignment during operation.
Co-linear
Two or more lines positioned in space with no offset or angularity between them.
Co-planar
Lying or acting in the same plane.
CPM
Cycles per minute. (Same as RPM.)
Current Job
The “job” that is currently active — the one that can be easily modified.
Dodd Bars
A secondary alignment method.
Dutchman
A tapered filler ring for squaring cocked flanges, or a ring of uniform thickness
used to fill pipe gaps.
End Float
See axial float.
Essinger Bars
A secondary alignment method, or method to measure off-line to on-line running
condition change.