Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Instrukcja Użytkownika Strona 436

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AxisMotion
Chapter 12
12-64
Table 12.A
Acc/Dec Type Performed with Manual Motion and Programmed Moves
Motion Type AlwaysUsesExponential
Acc/Dec
Configurable in AMPby
SystemInstallervia
ManualAcc/Dec Mode
Always Uses Linear
Acc/Dec
Linear or S -Curve
Acc/Dec per G-code
Hand--pulsegenerator
Arbitrary angle moves(i.e.,
hand--pulsegeneratorand
continuousand incremental
motion)
Homing
Allprogrammedmovesexcept
forG00 and exact stop
Manualcontinuousmotion
Manualincremental motion
PALaxismover
Allmovesprogrammedin G00
(positioning)mode
To begin and complete a smooth axis m otion, the control uses an exponential
function curve to automatically accelerate/decelerate an axis. Your system
installer sets the acceleration/deceleration time constant “T” for each axis in
AMP. Figure 12.31 shows axis motion using exponential acc/dec.
Figure 12.31
Exponential Acceleration/Deceleration
Velocity
Time
TT
“F”istheprogrammedfeedrate
“T”istheacceleration/deceleration
timeconstant
F
12160-I
12.9.1
Exponential Acc/Dec
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