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8.2
I nterpolation Control
5 2 B
Type of operations
For the interpolation control, there are 2-axis linear interpolation control, 2-axis circular interpolation
control, 3-axis linear interpolation control, and 3-axis spiral interpolation control. The following methods
are available to specify the operation of each interpolation control. Select any of them as usage. The
axes in the relation of an interpolation are called X axis and Y axis for the 2-axis interpolation, and are
called X axis, Y axis and Z axis for the 3-axis interpolation.
In each interpolation control, the E point control that uses one table, P point control and C point control
that uses multiple tables can be combined arbitrarily as positioning data.
For example, using the P point control enables the continuous interpolation control from the 2-axis linear
control to the 2-axis circular interpolation control. The acceleration time and deceleration time can be
specified individually. For the P point control and C point control, the E point should be set as the last
table.
Type
Operation specification method
2-axis
Composite speed
linear
interpolati
Long axis speed
on control
2-axis
Center point/CW direction
circular
Center point/CCW direction
interpolati
Pass point
on control
3-axis
Composite speed
linear
interpolati
Long axis speed
on control
Center point/CW direction/
X-axis movement
Center point/CCW direction/
X-axis movement
Center point/CW direction/
Y-axis movement
3-axis
Center point/CCW direction/
spiral
Y-axis movement
interpolati
Center point/CW direction/
on control
Z-axis movement
Center point/CCW direction/
Z-axis movement
Pass point/X-axis movement
Pass point/Y-axis movement
Pass point/Z-axis movement
Necessary data
Composite speed of X axis and Y axis
Speed of long axis (Axis of which moving
distance is long)
X-axis and Y-axis coordinate of center point
X-axis and Y-axis coordinate of center point
X-axis and Y-axis coordinate of pass point on arc
Composite speed of X axis and Y axis
Speed of long axis (Axis of which moving
distance is long)
Y-axis and Z-axis coordinate of center point
Y-axis and Z-axis coordinate of center point
X-axis and Z-axis coordinate of center point
X-axis and Z-axis coordinate of center point
X-axis and Y-axis coordinate of center point
X-axis and Y-axis coordinate of center point
Y-axis and Z-axis coordinate of pass point on arc
X-axis and Z-axis coordinate of pass point on arc
Y-axis and Z-axis coordinate of pass point on arc
8-15
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