Aerospace Examples

Bel Air develops mass finishing processes for customers in the aerospace industry. Below are examples of deburring aerospace components, super polishing turbine blades, & parts refurbishing using our vibratory tumblers, high-energy finishers, & drag finishers. We also developed processes for deburring and polishing blisks, brackets, compressor discs, & aircraft housings. 

Jet Engine Compressor Blade Polishing

Objective
Ultrapolish
Part Description
Compressor Blade
Material
A-Series Steel
Process Type
AutoHone – Metal Tumbler Polishing Machine

The customers goal was to establish the best way to match a micro tech surface finish to achieve a super or ultra polish of less than Ra 6 µin.

Compressor Blade Grinding

Objective
Ultrapolish
Part Description
Compressor Blade
Material
17- PH Stainless Steel
Process Type
High Energy

These compressor blades originally had contour machining lines removed by hand grinding. They also had to have the surface reduced from an Ra of 54 µin to an Ra of less than 10 µin.

Bel Air was able to automate this and get the surface to an Ra of 8 µin.

Deburring Engine Blade Stiffener Section

Objective
Deburr
Part Description
Blade Stiffener
Material
Stainless steel
Process Type
Centrifugal Disc Finisher

Belair was able to reduce the hand deburring of multiple geometric slots made into a thin material with multiple sizes and forms while maintaining tight tolerances.

Aircraft Hardware Polishing

Objective
Deburr & polish
Part Description
Aircraft Bracket
Material
Aluminum
Process Type
High Energy Finisher

Established a one step automatic process for deburring machined edges and imparting a cosmetic finish in a cellular environment.

High Volume Aircraft Hardware Polishing

Objective
Deburr
Part Description
Aircraft Bracket
Material
Aluminum
Process Type
Tumble Finish

Established more inexpensive high volume approach to a one step automatic process for deburring machined edges and imparting a cosmetic finish.

Aerospace Electronic Package Enclosure

Objective
Deburring cut-out edges
Part Description
Electronics Package – Aircraft
Material
Aluminum
Process Type
Reverse Drag Finisher

Aircraft Engine Compressor Disc Repair

Objective
Refurbish & repair
Part Description
Engine Compressor Disc
Material
Inconel
Process Type
Tumble Burnisher
Objective
Reduce hand deburring and improve quality of O-ring edge prep, Cellular
Part Description
Aircraft Housing
Material
Aluminum
Process Type
Centrifugal Disc Finisher
Objective
Deburring of 6 small holes
Part Description
Fuel Cell Component
Material
Stainless Steel
Process Type
Centrifugal Disc Finisher
Objective
Superpolish
Part Description
Turbine Blade
Material
Inconel
Process Type
Alternative methods
Objective
Deburr prior to other ops
Part Description
Turbine Compressor Blank
Material
Stainless steel
Process Type
Reverse Drag Finisher
Objective
Deburr, one piece flow
Part Description
Valve Component
Material
Titanium
Process Type
High Energy Metal Tumbler
Objective
Controlled deburr on slots
Part Description
Compressor Turbine Disc
Material
Inconel
Process Type
Proprietary
Objective
Deburr & polish
Part Description
Hydraulic Fitting
Material
Stainless steel
Process Type
Centrifugal Disc Finisher
Objective
Reduce surface Ra to 4
Part Description
Aerospace Valve Component
Material
Stainless steel
Process Type
Drag Finisher
Objective
Deburr
Part Description
Valve Shuttle
Material
Stainless Steel
Process Type
Centrifugal Disc Finisher
Objective
Reduce hand deburring
Part Description
Aerospace Missile Segments
Material
Stainless Steel
Process Type
Reverse Drag Finisher
Objective
Deburr and blend surface
Part Description
Compressor Blisk
Material
Unknown
Process Type
Drag Finisher, Cellular
Objective
Deburr
Part Description
Aerospace Brackets
Material
Steel alloy
Process Type
Centrifugal Disc Finisher
Objective
Reduce hand labor, blend machine lines
Part Description
Turbine Blade
Material
Steel alloy
Process Type
Horizontal Drag Finisher
Objective
3D printed surface improvement
Part Description
Aerospace Blade Segment
Material
17-4 Stainless steel
Process Type
Water Jet, Slurry Blaster
Objective
Reduce hand deburring
Part Description
Engine Shroud Segment
Material
Stainless steel
Process Type
Centrifugal Disc Polishing Machine
Objective
Polish ceramic coating
Part Description
Ceramic Coated Turbine Blade
Material
Ceramic
Process Type
Ceramic Polishing Machine