Tightening
9836 3521 01
303
6.5.2.25 SG - Snug Gradient
Step type Id:
32
Parameters
: DeltaA (Delta Angle), TcMIN (Min Torque), TcMAX (Max Torque), TSLOPE (Torque Slope),
ASG (Angle run), DIR (Direction).
Function
:
1. The spindle is started with the programmed speed in direction DIR.
2. The search for the Snug-point is started as soon as the torque passes TcMIN.
3. The average slope over DeltaA deg is calculated.
4. This is repeated for every DeltaA deg.
5. As soon as two slopes after each other are larger than TSLOPE the Snug-point is found.
6. From this point, the Snug-point, the spindle runs another ASG deg.
7. If the torque level TcMAX is passed without finding the Snug-point the step is aborted
and an event is generated.
Diagram
:
Angle
Torque
TcMax
Max Torque
ASG
Angle run
TcMin
Min Torque
DeltaA
Delta angle
TSLOPE
Torque slope
Step
TcMin
TcMax
Snug-point
DeltaA
ASG
TSLOPE
DeltaA
DeltaA
Result var
.: After the step has finished the angle from the Snug-point to the end of the step can be
checked using the normal angle check (see Check angle) if using the special start condition
"SGP" (Snug Point). If so, the result is reported as the step level result variable "A".
Trace
:
Angle when ASG has been run from the detected Snug-point is shown as a horizontal line
from step start to step stop in trace when Angle vs. Time is selected. Control parameters
must be enabled in the trace form (see
Содержание PowerMACS 4000
Страница 1: ...User guide PowerMACS 4000 Atlas Copco Tools and Assembly Systems 9836 3521 01 2010 11 Edition 10 3 0...
Страница 2: ......
Страница 46: ...System Architecture 46 9836 3521 01...
Страница 127: ...Set Up and Maintenance 9836 3521 01 127 See chapter Station Set Up for a description of the parameters...
Страница 267: ...Tightening 9836 3521 01 267...
Страница 400: ...Tightening 400 9836 3521 01...
Страница 422: ...Peripheral Devices 422 9836 3521 01 When connected to a system the form will show show the signal values in realtime...
Страница 486: ...Peripheral Devices 486 9836 3521 01...
Страница 622: ...Peripheral Devices 622 9836 3521 01...
Страница 664: ...References 664 9836 3521 01...
Страница 668: ...9836 3521 01 2010 11 Edition 10 3 0 www atlascopco com...