Mitsubishi Electric MELDAS C6 Instruction Manual page 362

(6) Grid space (#2029 grspc)
This parameter sets the distance between grids.
The normal grid space is the ball screw pitch (SETUP PARAM. #2218 PIT) value or the
movement amount per motor rotation set as a mm unit.
To make the grid space smaller, set a divisor of the grid space.
Movement amount per motor rotation =
Movement amount per motor rotation =
Movement angle per motor rotation =
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3. Adjustment of Dog-type Reference Point Return
3.3 Reference Point Return Parameters
Calculation expression for movement amount per motor rotation
• When linear feed mechanism is ball screw
• When linear feed mechanism is rack & pinion
• For rotary axis
PC1
∗ PIT
N =
PC2
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Motor side gear ratio
Machine side gear ratio
Motor side gear ratio
Machine side gear ratio
∗ No. of pinion gear teeth ∗ Rack pitch
Motor side gear ratio
Machine side gear ratio
N = Movement amount per motor rotation
PC1 = Motor side gear ratio
PC2 = Machine side gear ratio
PIT = Ball screw pitch
III - 13
∗ Ball screw pitch
∗ 360