APPLICATION OF MODERN TECHNOLOGY

Traditional System Roller

Manufacturing Methods

There are two traditional roller lining methods that has been widely used and still applied by manufacturers.

01

Traditional Methods

In traditional system, rubber is formed into sheet layers by calendering and the roller is covered by rolling this rubber sheet over the rubber mandrel.

02

Traditional Methods

Rubber is wrapped over the roller mandrel in form of pipe spirals.

Roller Manufacturing With "Extrusion Technology"

In extrusion technology, extrusion machinery applies a homogeneous mixture process to the rubber dough fed from the feeder unit by the temperature controlled grooved mandel and then proces it though a 3 staged filtration system.

The rubber is then lined on the roller on the 'T Head" unit completely hand free and without any folding overs. The air within the rubber is sucked out via a vacuum system. All the micro foreign subtances and residues are seperated via 3 staged filters all with different dimensioned propes. 

 

A smooth and even surface is achieved on the rollers surface which is an important factor for acheving high printing quality. The risk of air bubbles is minimised by application of vacuum system. Dentures don't form during printing process. As a complete and non folding lining system is applied metal-rubber adhesion problems do not occur. Rubber is filtered by 3 staged filtration system. This enables a smooth and even surface on the roller. The homogeneity and mixture quality of the compound increases and homogenous performance on all surfaces are achieved as a result of the high pressure applied during the extrusion system.

 

As the manufacturing of the rollers vary according to the mandrel diameters, manufacturing process with extrusion method is more costly compared to classical systems.

Advantages of the Printing Rollers Manufactured With Extrusion Technology

  • Through vacuuming, the risk of remaining air-bubbles in the rubber mass is minimized.

  • A non folding and non attachment system is applied, the problem in metal - rubber adhesion is eliminated.

  • Rubber is put through a 3 stage filter system and this enables to remove all the foreign subtances and therefore provides a smooth surface.

  • The homogeneity and mixture quality of the compound increases and homogenous performance on all surfaces are achieved as a result of the high pressure applied during the extrusion system.

  • As the manufacturing of the rollers vary according to the mendrel diameters, manufacturing process with extrusion method is more costly compared to classical systems. But its advantages and longer life span makes up for these extra costs.

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