Mitsubishi Electric MR-J4-_GF Instruction Manual page 198

9. MANUFACTURER FUNCTIONS
1) Feed current value
The feed current value of the cam axis is calculated as follows:
Feed current value = Cam standard position + (Cam stroke amount × Stroke ratio to cam axis
When the cam axis current value per cycle is in the middle of the specified stroke ratio data, the
intermediate value is calculated from the cam data before and after the value.
Cam axis
one cycle current value
Cam data
2) Cam standard position
The cam standard position is calculated as follows:
Cam standard position = The preceding cam standard position + (Cam stroke amount × Stroke
Cam axis
one cycle current value
Feed current value
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
current value per cycle)
An intermediate value is calculated using the
data before and after the value.
One resolution or between
two coordinates
ratio at the last point)
Cam standard
position
Cam standard
(Second cycle)
position
(First cycle)
Cam stroke amount × Stroke ratio at the last point
9 - 13
t
Cam standard
position (Third cycle)
t
t
t
Cam standard position
(Does not change because the stroke ratio is 0%.)