Features of Cabinet Dyeing Machine - an overview

Hank yarn Dyeing - A gentle treatment:

Many types of yarns used in weft knitting and some types of knitted articles require very gentle handling under the hot wet conditions imposed during dyeing. Where the yarn bulk, stretch and texture must be retained at a high level, the conventional package-dyeing route is often considered to be inappropriate.


This is because the yarn tension imposed during the winding of the package can decrease the yarn bulk resulting in a dyed yarn with a leaner appearance and handle. This is not always desirable for weft knitted fabrics and garments in which a more voluminous yarn can add greatly to the surface appearance and aesthetics. The tendency to pressure load yarn packages in cheese form can further cause textured yarns to lose crimp, bulk and texture because of the yarn extension during compression loading and then dyeing under hot wet conditions.

In addition many forms of small knitted articles such as tights, pantyhose and socks require more delicate handling. It is not desirable to subject such articles to excessive hydraulic or mechanical forces, particularly under hot wet

In addition many forms of small knitted articles such as tights, pantyhose and socks require more delicate handling. It is not desirable to subject such articles to excessive hydraulic or mechanical forces, particularly under hot wet conditions where dimensional changes or distortions may occur. Thus for a number of yarns and weft knitted articles the use of cabinet and spray dyeing systems has evolved as the most satisfactory type of dyeing machines.

Then, What is inside a cabinet dyeing machine?



As the name suggests, a cabinet dyeing machine is machine with 2 to 4 chambers, just like a steel chest. In each chamber there are grooves on both sidewalls to hold the yarn hanging poles. In the bottom of the machine, there is a round-bottomed chamber.

In that chamber you will find a powerful agitator or fan to circulate the water inside the machine between the chambers. The top of the machine would be fixed with a round-bottomed hood and a chamber opening passage to communicate the two chamber columns. During the running of the machine, the water from one column of chambers would be forcibly sent to the other chamber with the help of the powerful propeller in the bottom chamber.



There is a water level indicator tube on the outside of the machine parallel to the machine and there will be a stock tank outside the machine fitted with suitable pumps to pump-in the dyes and chemicals in to the machine. The bottom chamber will be fitted with a indirect and direct steam coils, controlled with solenoid valves and thermostat system.