Input
14
2 Input
2
.01
General information
The effective pull of the needle thread (needle thread tension) is determined during sewing
for each stitch by means of a sensor installed in the needle thread path of the sewing ma-
chine.
In the process, through a special measuring principle, measuring errors, caused for example
by fl uctuating temperatures, can be ruled out.
The signals are evaluated on the PC and displayed on the touch-screen monitor on a user in-
terface for Windows ® XP. The analysis of these signals gives information about the machine
setting and the quality of each individual stitch sewn.
The seam sector for which the system is to be activated (docu-seam sector) is determined
either by a sensor, by knee switch, with a pre-selected seam length or by stitch counting.
The docu-seam system compares the established thread pull with the previously entered
limit values and issues an evaluation of the seam on the touch-screen monitor. If the seam
is a good seam, an appropriate signal is given to the PC interface and a label can be printed,
which can then be attached to indicate the appropriate quality of the seam. The label can be
designed individually with an editor.
The docu-seam system also activates a missed stitch recognition function and, depending
on how it is set, reacts to following types of error:
- missed
stitch,
-
needle thread breakage, end of needle thread
-
bobbin thread breakage, end of bobbin thread
- broken
needle
-
deviations from edge guide
The use of specifi ed materials can be ensured and documented through the prompt to enter
appropriate codes (e.g. scanning of barcodes for thread spindle, material, bobbin).
All inputs, for separate user groups, can be carried out directly over the user interface of the
touch screen monitor. Several languages are available for the user interface. All data entered
and established can be processed on standard databases and spreadsheets.
Summary of Contents for POWERLINE 3741
Page 1: ...296 12 19 008 002 Betriebsanleitung engl 06 12 DOKU SEAM SYSTEM 3741 3745 ...
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Page 129: ...Kalibrieranleitung engl 06 12 CALIBRATION INSTRUCTIONS 3741 3745 ...
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