Introduction
Textile dyeing process goes through various steps. Now a day
almost all of the steps go through computerized machine. So to know about the computerized
process we have to know dyeing & printing process.
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Automated machine
for the processes
Fabric selecting: Fabric selecting is important for dyeing process because if
faulted fabric introduced in dyeing bath it can’t give quality product. To find
out the fault of fabric Zellweger Uster can be used.
On
the surface Zellweger Uster appears to be a newcomer to automated fabric
inspection market; however, this is not the case. The company began development
of an automatic fabric inspection system in 1983. The system called Uster
Visotex was shown at ITMA’87 in paris. It was not successful due mainly to the
limited processing power of computers at that time. The company’s current
system, Fabriscan, can inspect
fabric at speeds up to 120 meters per minute and can detect defects down to a resolution
of 0.3 millimeters. It can handle fabric widths from 110 to 440 centimeters. Zellweger Uster has several
installations in Europe covering a range greige fabrics including apparel,
denim and industrial fabrics.
Fig:
Zellweger Uster
Dye Selecting:
There are various types of dye available to color a fabric. Considering the
objective of dyeing or according to buyers demand any dye can be chose. But
which color dyes have to be use is measured by Datacolor machine.
Datacolor
machine is like a virtual notebook, unique job records capture and store every
step in the color matching process. Browsing through the steps is as easy as
turning a page.
Keywords
speed colorant selection based upon properties or data schemes. Easily query properties
that distinguish colorants, such as hazard ratings, light fastness and heat
stability. Keywords can be used to create color matching groups, such as those
colorants preferred for matching reds, or product preferences, such as
colorants that should be used in an acrylic system.
Fig:
Datacolor
Dyeing machine: Dyeing machine is the
machine where the dyeing process goes on, by this machine temperature, pressure
& tension are maintained. This machine takes every commands by and compute
& do as commanded by the help of a microprocessor (which is the main part
of a computer).
Fig:
Touch skin input of a dyeing machine.
Fig:
Dyeing machine.
Adding process of dyes &
chemicals: Dyes & chemicals are
added to the dyeing machine through dosing process. The time Vs dosing ratio
calculate by computer and dosing are maintained by the dyeing machine which is
computerized.
Fig:
Dosing System
Squeezing and drying: It is too important to squeeze & make the fabric dry before send it to the stanter machine. For this Balloon Squeezer can be used.
Dewatering of knitted fabrics with a traditional hydro extractor results creases and wrinkles. These can be avoided by installing GURUSON balloon squeezer. It solves the problem and also brings two semi-continues operations into a single, continues process of extraction and plating. This machine can open, untangle, and extract, stretch and well compact knitted fabric continuously in a single operation.
Model:
·
Balloon Squeezer With Single Padder
·
Balloon Squeezer With Double Padder
Feature
of Balloon Squeezer
P.L.C.
Touch screen
Magnetic
stretcher.
All
motors provided with A.C. drives (V.F.D.).
Turn
Table.
De
twister.
Plaiter.
Gear
box Bonfiglioli make (italy).
Total
body fabricated with stainless steel
Stantering machine: ATH Stenter is the latest version, enhanced and refined with
the European Technology and the technical advice and feedback from the end
users. ATH is designed to match the requirement of all kind of fabric. from
fabric feeding to overfeed, from stentering to cooling and to fabric unloading.
It is done just by adjusting the mechanical and electrical device on the
machine, various adjustment options are available to fulfill different
requirement.
Features:
High Efficiency Heat Exchanger
Quickly heat
up the room temperature to the required temperature, thus greatly reduce the
dull time and achieve production efficiency.
Special Designed Drying Chamber
with 150mm thickness
The drying
chamber is made of high density insulating material with 150mm thickness, it
can greatly reduce the heat loss to ensure a good stentering effect.
High Efficiency Centrifugal Blower
Even at high
temperature, it can generate enough air volume and air pressure and guarantee
the hot air to flow rapidly through the fabric by the up and down nozzles, thus
achieving perfect stentering effect.
Evironmental friendly products
Our stenter
machine is specially installed our environmental product (XW500/500A Exhaust
Air Purifying Device or RESA-RG40 High Efficiency Waste Heat Recovery Device)
to protect the environment while create extra benefit for the enterprises.
Fig:
Squeezing machine
Calendaring: Calendaring
is the process by which crease mark is removed; it is also used to increase the
luster of fabric. Rubber calendar is mostly used machine for calendaring.
1.
Application:
Rubberizing and fractioning
of textile material, rubberizing of wire cord fabric, sheet, and counter plate (embossed)
of rubber material, separation of fabric and film, as well as joint of
multi-layer laminate film.
2. General design:
It mainly contains roller,
rack, backplane, adjustment, device, transmission system, roller temperature
control device, security device, lubricating device, etc.
3. Features:
The
roller is made of chilled cast iron alloys, whose work surface has high
hardness, wear-resistant and durable life. Steam, cooling water, and
heat-conducting oil can pass into the rollers cavity, so that the working
temperature can be adjusted in order to meet the technical requirements.
Roll
spacing can be adjusted both by manual or electric mode.
Roller bearings lubricating
can adopt drier oil or dilute oil.
Fig:
Calendaring Machine
Inspection: After dyeing fabric have to be inspected for next process.
There are various machine in the market for doing this job, as checkMASTER
basic.
Used for
fabric inspection up to 62’’ width
With top
rolling device.
Analog
length counter up to five digits for fabric length measurement.
Digital
control panel with foot & continuous operation option.
With speed
control device.
Reverse
& forward fabric movement option.
Complete
with all accessories-tray for keeping loose fabrics, plastic pipes for rolling
fabrics etc.
Supplied
with conformance & inspection certificates.
Weight
main unit: 150kg
(330 lbs)
Fig:
checkMASTER basic.
Printing: Printing
is the process by which a fabric can be printed as required design. To print a
fabric making a design first is
important. Actually design are made by Auto Cad & Cam.
Computers
are a great way of helping you design and manufacture a textile product. They
ensure accuracy in the finish product.
There are three main ways in which computers can
help in the researching, designing and manufacture of a textile product.
- CAD- (Computer aided design) using computers to help design your product
- CAM-(Computer aided manufacture) using machinery to help with the manufacture of textile products.
Fig: Design by Cad / Cam
Researching and presenting
a design
Internet- Researching retailers and designers to gather ideas for your own
product
Trend websites- These websites have information on which fabrics, shapes and colours
are in vogue
Digital cameras- Taking photographs of similar products
3D modelling- Using computer software to show your designs on a 3D model.
Spreadsheets- can help with calculating the cost of fabric and components.
CAD (Computer aided design)
The
advantages of using CAD allows you to make changes and adjustments to your
design without having to redraw, it is also really quick. Here a few ways in which this can be used;-
3D modeling software- this allows you to design
a product in 3D, a visual prototype.
2D paint software- allows you to design logos
and repeat patterns and experiment with different colors (color ways)
Scanners- allow you to scan fabrics which
can be applied to a 3D model.
CAM (Computer aided manufacture)
CAM allows
you to produce a product with a lot more speed and accuracy. Here a few ways in which this can be used;-
Computerised sewing machines- a
complicated logo or motif can be embroidered on to a product.
Computerised fabric printers- computers
can be used to produce large amounts of printed fabric. For example automated
screen printing, this ensures quality and accuracy.
Conclusion: Technology
is always updating so it is impossible to find out the latest technology of any
time. Though it is hard we try to get the information of latest technologies or
information of computerized machine used in dyeing sector.
If
we can use the upgraded computerized machine it will make our product more
qualified. And we can earn more profit from our country as well as from the
whole world to serve our motherland.
References
·
Textile Magazines
