50
Mechanical and electrical design
Extraction
During extraction, the motor speeds follow an extraction sequence which is
always the same. This extraction sequence is used for all WE/MP machines
and for standard programs 991-999 for CLARUS machines.
The table shows the extraction speeds during the various phases of the
sequence, for various drum volumes.
The extraction sequence is as follows:
Phase 1.
Distribution period of 40 seconds, with imbalance
sensing. Imbalance sensing takes place during the
last 5 seconds.
Phase 2.
Extraction for 30 seconds.
Phase 3.
Extraction for 30 seconds.
Phase 4.
Extraction for 30 seconds.
Phase 5.
Extraction for remainder of the program’s total
extraction time.
59
4759
rpm
seconds
Imbalance sensing
Fig.
59
EX-30 S EX-50 S
Phase 1
85
78
Phase 2
475
425
Phase 3
650
550
Phase 4
800
700
Phase 5
950
850
Drum
volume
l
Speed
rpm
50
150
250
200
100
1000
800
600
400
200
0
0
1
2
3
4
5
Drum
volume:
EX-50 S
EX-30 S
