Roll Manufacturing
RIF is equipped with all means for the design and complete manufacturing of Rolls, in particular:  
  • A Mechanical Processing Department manned by experienced Personnel
  • An Engineering Department perfectly integrated into the Company Quality System
  • A set of  heavy duty machinery with high production capacity  and equipped with CNC control.
We manufacture rolls and rotors for well known global machine  manufacturers, on the basis of their  drawings and /or directly for the end-users, availing of our manufacturing and design programmes.
 
Our wide experience in serving the Paper Industry for the repair and recovering of used rolls enable us to understand in depth the application and the requirements of the various types of rolls and to give the maximum care to  the design and choice of rough pieces and the realization of the end-products.
 
OUR ROLL MANUFACTURING PROGRAMME INCLUDES: 
  • All type of guide rolls, smooth or profiled.
  • Drilled rolls in the Drying Section.
  • Breast rolls and wire drive rolls
  • Rewinder backing rolls, Pope rolls and Reel spools.
  • Wet press rolls and Yankee pressure rolls
  • Size-Press rolls, Film-Press rolls and Coating cylinders
  • Suction roll shells or complete suction rolls
  • Bearing housings for all rolls
  • Cooling cylinders for the Plastic Industry
  • Cylinders, rotors, shafts for various industrial sectors  
DESIGNING PROGRAMMES
  • Computer - aided simulation of the operating conditions
  • Calculation of mechanical stresses
  • Selection of the suitable materials for the rough pieces   
  • Optimization of the manufacturing design to the purpose of reducing the weight of the rollsand increase the operation speed.   
  • Check of the deflection curves of the roll for crown calculation 
  • Evaluation of the drilling patterns of the suction shells to avoid to jeopardize the mechanical resistance, eliminate "shadow marking", improve dewatering and reduce noise level.   
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