B–63010EN/02
4. DESCRIPTION OF PARAMETERS
85
NOTE
1 When 0 is set in parameter No.1630 or parameter No.1631,
linear acceleration/deceleration before interpolation is
disabled.
2 In the look–ahead control mode, parameter No.1770 and
parameter No.1771 are valid.
1631
Parameter 2 for setting an acceleration for linear acceleration/deceleration be-
fore interpolation (time used to reach the maximum machining speed during
linear acceleration/deceleration before interpolation.)
[Data type] Word
[Unit of data] 1 ms
[Valid data range]
0 to 4000
This parameter is used to set an acceleration for linear acceleration/
deceleration before interpolation. In this parameter, set the time (time
constant) used to reach the speed set in parameter No.1630.
NOTE
1 When 0 is set in parameter No.1630 or parameter No.1631,
linear acceleration/deceleration before interpolation is
disabled.
2 In parameter Nos. 1630 and 1631, set values that satisfy the
following:
Parameter No.1630/Parameter No.1631 y 5
3 In the look–ahead control mode, parameter No.1770 and
parameter No.1771 are valid.
1710
Minimum deceleration ratio (MDR) of the inner circular cutting rate in automatic
corner override
[Data type] Byte
[Unit of data] %
[Valid data range]
1 to 100
This parameter sets the minimum deceleration ratio (MDR) when the
inner circular cutting speed is changed by automatic corner override.
In circular cutting with an inward offset, the actual feedrate for a specified
feedrate (F) is expressed as follows:
Rc: Radius of the path of the cutter’s center.
Rp: Programmed radius
F
Rc
Rp
Then, the actual feedrate is controlled so that the feedrate on the
programmed path can achieve the specified feedrate F.