On-site services in the paper industry 01 # ABOUT COMPANY ABOUT US - - PowerPoint PPT Presentation

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On-site services in the paper industry 01 # ABOUT COMPANY ABOUT US - - PowerPoint PPT Presentation

On-site services in the paper industry 01 # ABOUT COMPANY ABOUT US RALEX Industries have over a decade of international service provider experience in paper industry sector, starting in 2001 cooperation with leading service companies and


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On-site services in the paper industry

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RALEX Industries have over a decade of international service provider experience in paper industry sector, starting in 2001 cooperation with leading service companies and P&P mills. Today we acting globally from Europe and Russia to Asia. Working side by side industry leaders we developed immeasurable institutional knowledge throughout the Ralex team. From grinding, coating, metallization and machining of shaft journals to paper machine maintenance Ralex techniques are developed to precisely meet and exceed our clients needs.

ABOUT US

01

# ABOUT COMPANY

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CUTTING EDGE SOLUTIONS FOR

  • Corrosion on the dryer surface
  • Waves or different marks (e.g. doctor

blade marks) on the dryer surface

  • Bad roughness on the dryer surface
  • Inadequate straightness of dryer
  • Inadequate tolerance of dryer sizes in
  • ne group
  • Run out of dryer

02

# GRINDING

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COMPETENCIES WITH DIFFERENT SURFACES

  • Cast iron
  • Steel
  • Copper
  • etc.

WE PERFORM GRINDING ON A VARIETY OF PAPER MACHINE ROLLS

  • Dryers
  • POPE rolls
  • YANKEE cylinders
  • etc.

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# GRINDING

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0,8 RA

Less than roughness of surface

+/- 0,1MM

Circumference tolerance in one dryer

AFTER GRINDING WE CAN GUARANTEE

# GRINDING BEFORE & AFTER

04

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LEADING SOLUTIONS FOR

  • Corrosion on the cylinder surface
  • Dirt and paper sticking on the cylinder

surface

  • Marking from the doctor blade
  • Mechanical damage

05

# COATING

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COVER YOUR CYLINDERS WITH A HARD CARBIDE MATERIAL USING PROCEDURES SUCH AS

  • Grit blasting
  • Coating by HVOF
  • Teflon coating
  • Teflon curing
  • Final processing

WE ARE ABLE TO COVER DIFFERENT PAPER MACHINE ROLLS SUCH AS

  • Dryers
  • Rewinder rolls
  • Spreader rolls
  • POPE rolls
  • etc.

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# COATING

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# COATING

COATING PROCEDURES

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Metallization is a thermal spraying process covering the metal surfaces of paper machine rolls with a coating from different alloys.

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# METALLIZATION

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WITH THIS METHOD WE PROTECT AGAINST

  • Corrosion on the cylinder surface
  • Undersize cylinders
  • Damages or large scratches on the cylinder

surface

  • Inadequate straightness of the cylinder

ADVANCED TECHNIQUES

  • Machining
  • Grit blasting
  • Thermal spraying
  • Grinding
  • Polish
  • etc.

09

# METALLIZATION

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10 MM

accuracy at least

WE ARE ABLE TO SIZEUP CYLINDER DIAMETER

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# METALLIZATION

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# INJECTION SERVICE 11

WE ARE ABLE TO SOLVE DIFFERENT STEAM LEAKAGE PROBLEMS OF YOUR DRYER CYLINDERS

  • Injection service

against steam leaking

  • Crack repair

by injection service

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Ralex Industry can save you time and money by repairing your shafts onsite. Our services can be essential when shafts wear

  • ut over time or when bearings or couplings

pick up or drag and create grooves. We can prolong the life of damaged shafts by machining the shaft down and installing a made to fit custom order sleeve.

WE CAN FIX YOUR PROBLEM WITH UNDERSIZE BEARING JOURNAL

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# MACHINING OF SHAFT JOURNALS

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DESIGNED FOR YOU, ENGINEERED TO LAST.