Lauetstrasse 13 • CH-8112 Otelfingen • Tel +41 (0)44 844’25’50 • Fax +41 (0)44 844’24’92 • info@buehrer-ag.ch  

 

Typical applications of metal spraying

There are many different field of applications one can think of. Our coating capabilities cover the thermal coatings such as Flame spraying (FLSP) with wire or powder, Electric-arc spraying (EASP) and HVOF process.

When are thermal coatings being used?

Reason to use one of the thermal coating can be as follows

For new designed parts, sprayed coatings offer a rewarding combination of features:

  • To create high performance parts that would be difficult or costly to produce by other means
  • To value engineer new or existing parts by spraying premium material coatings over lightweight or low cost substrates
  • To design composite material parts that use the best qualities of the sprayed coating and the structure member
  • To provide a surface property not otherwise available

For repair and rebuild worn machine parts, sprayed coatings save time and money, while increasing service life:

  • Parts can be rebuilt faster and at less cost with sprayed coatings than by using welding, plating or sleeving
  • When new parts have to be ordered, spray repair can save days of downtime; yet the cost can run as low as 10% of replacement cost
  • Because a premium material can be used as the build-up coating, repaired parts will outwear new ones
  • Parts can be so easily rebuilt so that spare parts inventories can be greatly reduced

for salvage of mis-machined parts or undersized castings:

  • A coating material equivalent to the original material can be chosen to restore dimension
  • It results in much lower cost than completely refabricating a new part.

Applications Markets and Industries

  • Aerospace
  • Agriculture
  • Art
  • Automotive
  • Aviation
  • Galvanizing
  • Nutrition Industry
  • Glass
  • Marine
  • Metal Working
  • Military
  • Motors
  • Paper
  • Plastics
  • Printing
  • Pulp
  • Pumps
  • Textiles
  • Construction machinery

These workpieces are particularly suitable for metal coating

  • Eccentric shafts, cam shafts, crankshafts
  • Guide rails, guide ways, setting wedges
  • Brake disks, V-belt pulleys
  • Roles, rollers
  • Cross beams, ball and socket bearings
  • Piston rods, pin, axles
  • Plunger, piston, valves
  • Pinion shafts, worn shafts
  • Firm and sliding bearing seats
  • Simmering and sliding seats
  • Wrong Drill holes

Possible field of applications

  • Abrasion Resistance
  • Atmospheric and Heat Corrosion Control
  • Biological compatibility
  • Clearance Control
  • Coating coverage can be full encapsulation or flight only
  • Coating strippability can allow for both recoating and repair
  • Coatings are hard and dense with good bond strengths
  • Coatings need to be adapted to specific criteria
  • Coatings which need to be post treated (turning, grinding, diamant grinding)
  • Components with a coating have a longer lifetime
  • Control of Oxidation and Sulfidation
  • Corrosion protection
  • Crack free and dense coatings with fairly homogeneous microstructure
  • Dimensional Restoration
  • Easily machinable with standard cutting tools
  • Electrical Properties
  • Electrical resistance/conductivity
  • Environmentally friendly coatings with no volatile organics (paints)
  • Erosion Resistance
  • Excellent replacement for chrome
  • Excellent resistance to friction
  • Extended roll life increases productivity
  • Extreme heat
  • Extremely hard surface
  • For joining and coating applications
  • Fouling protection
  • Galvanic Corrosion Control
  • Good cavitation and fretting resistance
  • Good hot gas corrosion resistance, particularly in sulphurous gases
  • Good protection against sliding wear, hammer wear
  • Good resistance to corrosion
  • Good sliding wear resistance
  • Hard Chrome replacement
  • Heat barrier
  • Heat resistant
  • High temperature protection (thermal barrier coatings)
  • Impact Resistance
  • Increase conductivity
  • Increase surface hardness to reduce wear
  • increased lubricity properties
  • Increases productivity
  • Inventoried for quick delivery
  • Longer overall roll life and screw life
  • Machine revisions
  • Maintains screw efficiency
  • Medical implants
  • Minimal Component distortion allowed
  • New unique material combinations
  • No dimensional limits to components sizes
  • Oxidation protection
  • Rebuild and Salvage Operations
  • Reduces machine downtime
  • Reducing wear
  • Repair damaged surfaces - rebuild
  • Resist flame impingement corrosion
  • Resistance to Adhesive Wear
  • Resistance to Cavitation Effects
  • Resistance to Chemical Attack
  • Resistance to Fretting
  • Resistance to Galling
  • Resistant to Abrasion and Erosion
  • Sliding Wear Resistance
  • Stable dielectric factor
  • Superior compatibility with wear resistant barrels
  • Thermal Barrier Coatings TBC
  • Thermal or Electrical Insulation
  • Very good resistance to heat
  • Wear and corrosion resistant
  • Wear resistant with ceramic surface
  • When no pre or post-heat treatment is allowed

Here are some possible parts to demonstrate the wide range of thermal coating options

  • After burner systems
  • Air seal rings
  • Airframe landing gear
  • Airframe wing tracks
  • Annular seals
  • Auxiliary Systems
  • Axles
  • Ball bearings
  • Ball Valves
  • Bearing bushes
  • Bearing housings
  • Bearing seal seats
  • Bearings
  • Bevel gears
  • Blades and Knives
  • Boiler tubes
  • Brake discs
  • Bridle Rolls
  • Cam shafts
  • Carbon seal assemblies
  • Chill Rolls
  • Chilling tubes
  • Chutes
  • Combustion cases
  • Combustion stators
  • Complete overhall of vacuum pumps
  • Compressor air seals
  • Compressor blades
  • Compressor fan blades
  • Compressor honeycomb segments
  • Compressor hub assembly
  • Compressor liners
  • Compressor rods
  • Compressor shrouds
  • Compressor stators and seals
  • Compressor synch rings
  • Compressor vane sectors
  • Compressor variable guide vanes
  • Compressors
  • Conductor Rolls
  • Corona Rolls
  • Crankshaft bearings
  • Cross beams
  • Cutter blades
  • Cutter-shaft
  • Cyclones
  • Cylinder liner
  • Deflector Rolls
  • Draw Rolls
  • Parts with drill holes
  • Drive shaft nuts
  • Duct assemblies
  • Duct supports
  • Dying Troughs
  • Eccentric shafts
  • Engine cases
  • Engine frames
  • Exhaust pipes
  • Exhaust systems
  • Extruder
  • Extrusion dies
  • Fan blades
  • Fans
  • Feltmetal rings
  • Firm and sliding bearing seats
  • Flame tube
  • Flattening Rolls
  • Fuel systems
  • Furnace Rolls
  • Gas Turbines
  • Gearbox gears
  • Gearshafts
  • Glass mandrills
  • Grooved Rolls
  • Guide Pins
  • Guide rails
  • Guide ways
  • Guides
  • Heat Transfer Rolls
  • Helicopter components
  • Honeycomb segments
  • Hub assemblies
  • Hydraulic components
  • Hydraulic plungers
  • Hydraulics
  • Impellers of dredging pumps
  • Injection Screws
  • Landing Gear Systems
  • Leveler Rolls
  • Levelling rolls
  • Liners
  • Lip-seal and O-ring seals
  • Machine parts
  • Main shaft seal assemblies
  • Mandrels
  • Mechanical Seals
  • Moulds
  • Oil pump gears
  • Package Drive Rolls
  • Pin
  • Pinion shafts
  • Piston Heads
  • Piston Rings
  • Piston rods
  • Plunger
  • Plungers
  • Pot Rolls
  • Propulsion shafts
  • Propulsion Structures
  • Pump housing
  • Pump overhaul
  • Pump parts
  • Pump rotors
  • Pumps
  • Rollers
  • Rotor Shafts
  • Rotors
  • Scraper knives
  • Scrapers
  • Seal plates
  • Seal segments
  • Sector seals
  • Setting wedges
  • Shaft and couplings
  • Shafts
  • Shroud seal segments
  • Simmering seats
  • Sizing Cylinders
  • Sleeves
  • Sliding seats
  • Socket bearings
  • Spur Gears
  • Stator Segments
  • Stator shrouds
  • Steam turbines
  • Synchrony rings
  • Take-up Rolls
  • Tow Cutter Blades
  • Tower Rolls
  • Transport rolls
  • Turbine blades
  • Turbine duct supports
  • Turbine frames
  • Turbine honeycomb rings
  • Turbine outer air seals
  • Turbine seals
  • Turbine shaft nuts
  • Turbine shafts
  • Turbine vari-vanes
  • Turbo chargers
  • Valves
  • Various turbine components
  • V-belt pulleys
  • Wear rings
  • Wing Components
  • Wire drawing blocks
  • Worn shafts