3 Operations Related to Relative Jobs
DX100 3.5 Relative Job Operation Method
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HW0482494
3.5.2 Previous Step Regarded (Minimum R-axis Movement)
This method keeps the R-axis movement to a minimum when the
manipulator moves from the previous step to the next step. Therefore, it
can be used for jobs of which the B-axis passes the point 0°.
Since this method minimizes R-axis movement, add some steps to the
prescribed path if it is desired to move the R-axis in a wider range.
If a parallel shift is executed in a relative job, the R-axis may have to rotate
greatly when the shift amount is large. This method can not be applied to
such cases: use the method "3.5.1 Previous Step Regarded (Constant
B-axis Sign).
• When converting a standard job into a relative job, a
standard job should be taught so that the R-axis
movement between steps does not exceed 90°. To move
the R-axis in an angle measuring more than 90°, add
some steps to divide the large angle into smaller ones.
• When converting a relative job into a standard job, the
manipulator’s current posture is referred. To perform a
conversion, posture the manipulator in a similar posture in
the first step of the relative job to be converted.
0
0
R-axis movement is minimized.
Can be used for a job of which
the B-axis passes 0.
90-90
0
R-axis
90-90
0
R-axis
90-90
0
Parallel Shift
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