LSIS XBF-PN04B, User Manual, Page: 26 / 820

Chapter 1 Overview
1-9
Reverse
Direction
Forward Direction
Forward
Direction
Origin
Center
point
Operating by circular interpolation when
Circular angle >= 180
°
Reverse Direction Center
point
Circular angle
< 180°
Circular angle >= 180
°
Operating by circular
i n t e r p o l a t i o n w h e n
Circular angle >= 180
°
Starting
Position
(c) Radius Specified Circular interpolation
1) Starts operating from starting position and execute circular interpolation along trace of circular arc that has
value designated in auxiliary point of main axis as it radius. Depending on size setting of circular
arc(<180°,>=180°), center point of circular arc will be different.
2) In radius designation form, goal position can not be set the same as starting position.
3) Control unit “degree” is not available to be used for circular interpolation control.
4) The direction and arc size are determined in “Cir. int. mode”.
(3) Helical Interpolation
(1) Moves along the designated trace of circular arc depending on c ircular arc interpolation setting and
executes Linear interpolation synchronously.
(2) It is available to execute helical interpolation of more than 360°depending on ‘ Circular interpolation
turns’ setting.
(3) The combination of axis that used for helical interpolation control is unlimited, 3 axes among axis1 ~ 8
are used.
+Z
+X
+Y
Straight
interpolation
Part
Center
Position
Starting
Position
Circular interpolation part
Helical
Interpolation
End
position