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mills broaches perforation toos drill bits hard carbide inserts Shaper cutters Threading tools
 

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Wearproof anti bore scuffing coatings on disel engines pistons

Increasing service life of internal combustion engines pistons using nanocomposite coatings

Unique structure and properties of nanocomposite coatings (nanocrystalline, amorphous, microlayered structures, high purity, ultra high hardness, exclusively high adhesion with various bases, special physico-chemical and other properties), vivid tribological properties

Nanocomposite coatings VPN-1

Main coatings characteristics

Coatings are deposited using nanotechnology

Microhardness 25000-45000 MPa

Thickness 1-5 mkm.

Surface rouhness not less than base.

Vivid adhesion with base.

Friction coefficient 0,005 0,02.

Thermal Stability up to 900.

   
  Nanocomposite coatings VPN-1 Antiborescuffing wearproof coatings on diesel engine D80 piston from aluminium alloy Prevents scuffing working in pair with cylinder cast iron under conditions of borderline lubrication.
Relative increasing of life cycle in 20-80 times and wear decreasing of rider in 4-5 times.
Antiborescuffing wearproof coatings on diesel engine D80 piston from aluminium alloy
   
   *      Deposition of functional strengthening, wearproof, antifriction and anti bore scuffing coatings. *      Development of new and increasing characteristics  Coatings types 
Coating type Structure Characteristics Properties   Recomendations
Hv, kg/mm2 Friction coefficient Thickness, mkm
  VPN-1 Mo-Ti-N multilayer anti bore scuffing in pare with cylinder sleeve cast iron. Relative increasing of service life is up to 2080 times, when wear of rider decreased in 4-5 times. 800-2500   0,005 0,02   3-5 Wearproof anti bore scuffing coatings .
             
  VPNK-2f TiAlN nanostructured Increased reliability and lifetime of frictional pairs (for example fuel pump plunger). 2500- 3000   0,02   3-5 Nanocomposite antifrictional coatings.
             
  VPNK-3f TiAlN + Mo-N nanostructure   800-2500   0,01 0,02   3-5 Nanocomposite antifrictional coatings.
             
  VPNK-3fm AlTiN multilayer   3000-3500   0,02   3-5 Nanocomposite antifrictional coatings with improved wearproff.
             
   
 
 

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Main PageCoated tools

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Coated tools: millsbroachespunching/perforation toolsdrillsinsertscutting teethsrams (shaper cutters) threading tools

Coated high temperature furnances: crucibles, stirring rods, fittings

Coated corrosion protected items

Coated diesel engine parts

Coated turbine parts

coatings tribological properties

Coatings application in Aviarion

 


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