link no. 59 customer magazine spun yarn systems - Rieter

12 LINK 59 . 1 /2012
PRODUCT NEWS
Operating steps
HIGHER COMBER EFFICIENCY
Idle time [min]
0
2
4
6
8
10
12
14
Idle time
Average
Manual piecing
optimized
Fig. 4 Productivity win through automatic piecing with ROBOlap.
ROBOlap
E 66 with E 16 E 76 (ROBOlap) with E 17
guides 2 lap trolleys behind the comber guides 2 lap trolleys behind the
comber
detaching the batt and replacing the tubes fully-automatic
tubes moved onto the lap trolley at the touch of
a button
full laps delivered from the trolley to the
machine at the touch of a button
Efficiency +2 %
Time for lap change and piecing
fully-automatic
fully-automatic
piece 8 laps fully-automatic
start machine fully-automatic
clean tubes and return to comber preparation fully-automatic
Fig. 5 Comparison between manual and automatic combers with ROBOlap.
ROBOlap and SERVOlap E 26, the fully-automatic
solution
ROBOlap and SERVOlap E 26 are undisputedly the
best combination in the area of automation because
both systems function without human intervention.
The “overhead transport” takes place from the combing
preparation up to the combing machines. All
processes are conducted automatically and without
external intervention: the transport of residual material
from the tubes, the removal of the tubes from
the machine, the placing of the new laps, the piecing
process itself and the restart of the combers (Fig. 5).
97
96
95
94
93
92
91
90
Efficiency [%]
Only in the case of Rieter automation with SERVOlap
are the empty tubes automatically cleaned and refed
to the transport system – one of the many exclusive
features for Rieter customers.
ROBOlap and SERVOtrolley E 17, a combination with
manual transport
An economic combination is ROBOlap and SERVOtrolley
E 17. In the past, only the fully-automatic feed with
SERVOlap was available for combers equipped with
ROBOlap. Today, however, it is possible to operate the
combers equipped with an automatic piecing system
with the SERVOtrolley type E 17.
The difference to the SERVOlap can be found in the
lap transport that can be manually carried out with
the aid of a transport trolley, whereby 4 laps and
tubes can always be transported. The loading process
for the 4 laps onto the transport trolley is automatically
executed. The loaded transport trolley is guided
by the operator to the combing machine and precisely
positioned by a guide rail. As soon as the two trolleys
with 4 laps each reach their final position at the
comber, the automatic lap change can begin.
Mixed operation of manual and automatic combers
Until recently, the extension of a manual combing section
with automatic combing machines was undesirable
due to the necessary investments for the transport
system. The option to use the SERVOtrolley E 17 combined
with an automatic comber now makes the extension
of an already existing manual combing section
by individual combers equipped with ROBOlap attractive
and economic.
A minimal change of the already available comber
preparation E 30, E 32 or E 35 is sufficient to utilize
the machine in a mixed operation with SERVOtrolley
E 16 and E 17 (Fig. 6). The UNIlap or OMEGAlap is
then in the position to recognize the respective trolley
type for the lap feed and to thereby adjust the height
of the lap delivery, as the manual combers have a different
height to that of the automatic machines. This
permits Rieter customers to exploit the advantages of
an automatic comber without having to renew the entire
combing section.