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Products and manufacturing - EPOXY RESIN
     
 
     
Prodotti e Lavorazioni - RESINE EPOSSIDICHE Production by means of centrifugation using the cylindrical products of various diameters and length with prospective.  
     
 
     
   » The thread roll  
     
  The thread roll is to produce and assemble textile fibres. The product is perfectly axial, balanced and without superficial roughness. Everything is done in function of this aim, from the components mixing to the furnace centrifugation, with specific processes the incorporation of the flanges in the resin in order to realize a perfect coupling between the thread roll and the drier.  
     
   » The thread roll peculiarities  
     
  Chemical properties
 
  Resistance to the chemical agents involved in process like the sulphuric acid, carbon sulphide, sodium sulphate and sodium hydroxide.

Working temperature between 20° and 120°

 
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  Geometrical characteristic:

 
 

Up to 2.000 mm length

Diameters included between 50 and 500 mm

Diameter tollerance+- 0,04mm

Shifting of the thread roll axle < of 0,1 mm during the working process

 
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  Mechanical characteristic:  
 

Lack of vibrations during the operation (frequency of resonance of the first harmonica < of 10for operating frequency)

Operating frequency= to tip speed / (6,28 x r) where r is the thread roll radius

Surface hardness equal to at least the 80% of the quarts one

The thread rolls do not cause the breaking of the threads

Coupling between flanges and thread rolls in order to guarantee a transmissible couple value bigger than the load couple

Statical and dynamical balanced thread roll and supports

Average life in working conditions > 25.000 h

 
     
   » Collecting head parallel thread cohesionated and stucked  
     
 

Minimum shed 2,54 mm (25 hours)

Collecting speed: 40÷200 m/m' - Tube L = 225 Æ 75-Conf. L = 185 max Æ 300 max

Thread drive made of epoxy resin and antibreaking thread

Pipe holder made of steel

Self regulating brakes according to the diameter of the spool

Voltage regulation devise for contents from 50 to 300 DEN

Voltage shock absorber device and new double thread

Thread roll control with opposed truncate- conical sections

Flat tracks

Aluminium flanks and tire hods made of steel
 
 


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