Control of finished - Textile Section

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THE CONTROL OF FINISHED PIECES

The checks carried out on the raw fabric, and after the process are described in two other cards of dry cleaners , other intermediate checks are carried out, before other processes, on those fabrics that undergo processes that significantly affect their structure (such as
fulling, raising, topping, etc.).
The last check that is carried out on the fabric once all the processes have been carried out ennobling and before the fabric is rolled up and sent to the packer, it is carried out by specialized personnel in the mirror or court (equipment described in the control sheet
of the stained patches). In many cases, further checks on the pieces are carried out by personnel by the client company or by external control centers at the request of the packer. It's important know how it is done.

Processing technology
The control aims to identify all those visible defects that make the fabric unsuitable for
package. The employee takes the standard sample as the reference parameter and, based on this
notes:
weight,
the hand,
the look,
color,
drawing,
other elements that must characterize the fabric.
When the assistant detects defects, she reports them with special "calls" (yarn bells
placed on the selvedges at the defect which, in this way, is signaled) which will result
in transfers (rebates) on the footage to be invoiced to the packer.
In particular, the assistant must detect and report the presence of:
holes, tears or selvedge sections;
dead folds, canes;
differences between center and selvedges;
strikethrough;
plots or sections of missing and defective thread;
stripes due to warp effect;
wefts or warps or wefts;
slubs, thanks and knots;
spots, halos, spots.
The assistant will also:
check that the right wire and the regularity of the design are guaranteed;
measure the height of the fabric;
check if the fabric has an unpleasant smell.
Usually, for each piece the specific worker, behind the accompanying folder, the quantity,
the type and extent of the detected defects that will constitute the rebate for the packer.
In case of particular seriousness of the defects, the worker must inform the person in charge of the control or
"Teacher", who, in turn, can decide independently or turn to the managers
of his firm.
Some reported defects make the piece unsuitable for shipment to the packer and require
that the fabric is again subjected to some processes, to bring the piece
within the allowed tolerance of defects and can then send it to the customer.
Rolling fabrics
Rolling is the final phase of the ennobling process of the fabric, in which this, finished and checked,
it is packaged by roller on cardboard tubes to be sent to the client, with a
hang tag on the selvedge which indicates:
- the serial number of the piece,
- the name or number of the article,
- the length and weight of the piece.
The main parts of this machine are represented by two sliding piece holder chains
in the relative guides (see figure A, point 1).
In the first part of the machine there are two articulated or mobile guides, controlled by two electronic pockets,
they guarantee a regular feeding of the fabric according to its width. In
second part chains and guides ensure the advancement of the fabric in a parallel and equidistant way,
with electronic adjustment based on the height of the finished fabric, to achieve perfect alignment
selvedges on the rolled fabric.
The folded piece passes:
through a cloth tensioner (fig. A, 2) and accompanied by idle rollers (fig. A, 3) it reaches the
variable speed feeding (fig. A, 4).
With the help of two stitching brushes (fig. A, 5), the fabric is pinned to the selvedge
by the pins of the two piece holder chains. The two electronic probes, the movement of the guides and the feed
of the two chains convey the fabric in a regular way towards the end
of the machine, where:
two cylinders (fig. A, 6) that rotate at variable speeds with respect to the chain allow to obtain
more or less compact rolls (fig. A, 7).
To eliminate any slight folding folds, the machine can be equipped with one or
more steaming tanks (fig. A, 8) and radiant batteries (fig. A, 9) for drying.
A meter counter and a scale provide the data necessary to print the identification tag
of the rolled up piece.
used inspection machine
Control of finished fabrics

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