LSIS XBE-DC08A, User Manual

Page: 591 / 1284

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Chapter 8 Functions
8-38
■ Speed in 2 axes linear interpolation(when Synthetic speed is selected)
Position of Y
Position of X
Y1
Y2
X1 X2
Moving amount of X( S
x
)
Moving amount
of Y ( S
y
)
Action by linear interpolation
Goal position
(X2, Y2)
(Speed of Sub-axis)
V
y
V
x
(Speed of main-axis)
Starting position
(X1, Y1)
F
(Speed of interpolation
)
Interpolating speed(F) = Operating speed of main axis
Interpolating moving amount(S)=
2
y
2
x
S S
+
Speed of main-axis = Interpolating speed(F)
) amount(S moving axis Synthetic
) amount(S moving axis Main
x
×
Speed of sub-axis = Interpolating speed(F)
) amount(S moving axis Synthetic
) amount(S moving axis Sub
y ×
[Example]
■ Starting position (2000, 1000)
■ Goal position (6000, 4000)
■ Synthetic speed : 400 [pls/s]
Speed of sub-axis and interpolating speed are as follows.
Interpolating moving amount(S)=
2 2
3000 4000
+
= 5000
Speed of main-axis =
320
5000
4000
400
= ×
Speed of sub-axis =
240
5000
3000
400
= ×
[pls/s]