Tightening
284
9836 3521 01
6.5.2.9 Y2 - Run until Yield point, method 2
Step type Id:
8
Parameters:
TC (Torque TC), NOS (No degrees), NNOS (No of points), TDIFF (Torque difference),
RNOS (No of points ref), DIR (Direction).
Function
:
Run spindle, in DIR direction, until the yield point. Search for the yield point starts when the
torque has reached TC. The average of the torque over NOS angle degrees is calculated.
This procedure is repeated RNOS times. A reference slope is calculated with linear
regression over the RNOS points. After that, new average values are continuously
calculated over NOS degrees. The actual slope is calculated with linear regression over the
last NNOS average points. The yield point is reached when the actual slope is less than
TDIFF % of the reference slope.
Diagram
:
Angle
Torque
TC
Torque, TC
NNOS
TDIFF
NOS
No. degrees
RNOS
TC
RNOS
NNOS
Reference slope
Actual slope
Step
1: NOS
1
1
1
1
1
1
1
1
1
1
1
1
Trace
:
Torque TC is shown as a horizontal line from step start to step stop in trace when Torque
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...