Part Name: Fitting Upper Corner

Customer:  Aerospace Tier 1

Location: US

Description:  Aerostructure

Industry: Aerospace (Commercial)

Materials: 7050-T7451 Aluminum

Quality Details & Requirements:

• 3 precision bores: +.0004”/-.0” diameter tolerance
• .001” coaxial bores

Quantity:  55 Total ship sets, 1 part per ship set

Part Size & Dimensions:

• Height = 6”
• Width = 2.5”
• Length = 10.5”

Application(s) Used:

• 5-Axis Simultaneous machining of OML Surface and pockets
• High-Speed Machining
• Precision Boring

Cycle Time(s): OP1 = 48 minutes

Engineering & Software Requirements:

• NX CAD File
• PDF Drawing
• TopSolid/TopCAM for CNC programming

Special Processes:

• Ultrasonic Inspection, MIL-STD-2154, CL A
• Liquid Penetrant Inspect, ASTM-E-1417, TYP-1
• Non-Chromic Anodize, MIL-A-8625, TYP-1C
• Epoxy primer, BMS10-11, TYP 1

Project Milestones:

• 3 precision bores per part required the purchase of special tooling to properly machine each size.  Following a LEAN strategy the boring tools we set up and maintained for these parts exclusively thus reducing machining variants and eliminating scrap each time the part was run.