Axis Summing
LATHE FUNCTIONS, Summing C80 Three Axis Digital Readout System
NOTES
The conventional way to
set up a lathe is:
X Axis – cross travel
Z Axis – longditudinal
travel
Z’ Axis – compound
travel.
If the Machine Type is
set to Generic, then the
axes will be labelled:
Axis 1 – X
Axis 2 – Y
Axis 3 – Z
Feb 2002Newall Measurement Systems Ltd26
This function allows the movement of the Z’ axis to be added to the movement of either the X axis or
the Z axis.
The Summing Function is useful when the compound is set to align with either of those two axes. If the
compound is set at an angle, see the next section on the Vectoring Function.
To Set the Function Parameters:
The selection of which axes are to be added together is carried out in Setup Mode.
• To enter Setup Mode, first exit from any Special Function that is running, then press .
The centre display shows .
• Press or to choose .
Press or to choose which axes are to be added: X+Z’ or Z+Z’.
• If necessary, change the Direction of the Z’ axis, so that the axes do add, rather than subtract. (See
the section on Setup, Direction, earlier in this guide.)
• Press or to choose , then press to store the change.
To Use the Function:
• Press or to turn the function on.
• The X display shows the X axis as normal.
The Z display shows the Z axis as normal.
The Z’ display shows the Sum of the two selected axes.
Any of the axes can be zeroed or preset in the usual way. The Sum display will be altered to take
account of the new value.
• Press or to turn the function off.
X
Combined Movement
Z + Z’
Combined Movement
X + Z’
X
Z
Z
Z’
Z’
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