Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 552

12. APPLICATION OF FUNCTIONS
2) Cam standard position
The cam standard position is calculated as follows:
Cam standard position = The preceding cam standard position + (Cam stroke amount × Stroke
For to-and-fro control, create the cam data in which the stroke ratio at the last point is 0%.
Cam axis
one cycle current value
Feed current value
ratio at the last point)
Cam axis
one cycle current value
Cam standard
position
Feed current value
(First cycle)
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Cam standard
Cam standard
position (Third cycle)
position
(Second cycle)
Cam stroke amount × Stroke ratio at the last point
Cam standard position
(Does not change because the stroke ratio is 0%.)
t
t
t
t