Fanuc Power Mate i-D/H Operator Manual

B–63174EN/03
SAFETY PRECAUTIONS
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3
WARNINGS AND CAUTIONS RELATED TO
PROGRAMMING
This section covers the major safety precautions related to programming. Before attempting to
perform programming, read this operators manual carefully such that you are fully familiar with
their contents.
WARNING
1. Coordinate system setting
If a coordinate system is established incorrectly, the machine may behave unexpectedly as a
result of the program issuing an otherwise valid move command.
Such an unexpected operation may damage the tool, the machine itself, the workpiece, or cause
injury to the user.
2. Positioning by nonlinear interpolation
When performing positioning by nonlinear interpolation (positioning by nonlinear movement
between the start and end points), the tool path must be carefully confirmed before performing
programming.
Positioning involves rapid traverse. If the tool collides with the workpiece, it may damage the
tool, the machine itself, the workpiece, or cause injury to the user.
3. Function involving a rotation axis
When programming polar coordinate interpolation pay careful attention to the speed of the
rotation axis. Incorrect programming may result in the rotation axis speed becoming excessively
high, such that centrifugal force causes the chuck to lose its grip on the workpiece if the latter
is not mounted securely.
Such mishap is likely to damage the tool, the machine itself, the workpiece, or cause injury to
the user.
4. Inch/metric conversion
Switching between inch and metric inputs does not convert the measurement units of data such
as parameter, and current position. Before starting the machine, therefore, determine which
measurement units are being used. Attempting to perform an operation with invalid data
specified may damage the tool, the machine itself, the workpiece, or cause injury to the user.
5. Constant surface speed control
When an axis subject to constant surface speed control approaches the origin of the workpiece
coordinate system, the spindle speed may become excessively high. Therefore, it is necessary
to specify a maximum allowable speed. Specifying the maximum allowable speed incorrectly
may damage the tool, the machine itself, the workpiece, or cause injury to the user.

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