Numerical Concepts Inc. is a Woman-Owned Manufacturer of Small and Large Components using Various Materials for Fabrication and Machining while also Specializing in Custom Built Machines
Women-Owned BusinessBusiness established in 1973Innovative Research and Developer
McCain Bindery Systems Primary Manufacturer
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Custom Fabrication of a Vacuum Chamber for the Plastic Industry

Numerical Concepts was approached by a customer in the plastic industry to custom fabricate a vacuum chamber utilizing a CNC flame cutter, we cut all the parts form A-36 steel plate. All plates had weld preps machined as needed. Next all of the parts were welded together forming a 60" x 90" x 120' high chamber. Next the unit was stress relieved and came back for the final machine work. The finished product was machined on all sides for O-ring sealed surface finishes. Faces were held flat and parallel with numerous bored and tapped holes. We were able to hold tolerances of ±.001 throughout the finished product

If you have any questions about this custom fabrication project, please see below or contact the experts at Numerical Concepts.

Vacuum Chamber for the Plastic Industry
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Vacuum Chamber for the Plastic Industry
  Vacuum Chamber for the Plastic Industry
[click to enlarge]
Vacuum Chamber for the Plastic Industry
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Custom Fabrication of a Vacuum Chamber Project Highlights

Product Description This Vacuum Chamber is used within a bonding application
Capabilities Applied/Processes Cutting
CNC Milling (Vertical & Horizontal)
  • Mill Chamfers
  • Mill Sides
  • Mill Weld Preps
  • Drill & Tap Holes
  • Mill Windows
  • Mill Profiles
Manual Turning
Bending
MIG Welding
Flame Cutting
Blanchard Grinding
  • Grind Gussets to Size
  • Clean Up Material
Pressure Testing
Assembly
Secondary Operations:
Heat Treatment
  • Heat Treat 38 Plates for Stress Relieving
Equipment Used to Manufacture Part DoAll Bandsaw
CNC Controlled Flamecutter
Blanchard Grinder
Zayer Machining Center
Burgmaster Horizontal Mill
Pratt & Whitney Horizontal Milling Machine
Cincinnati Horizontal Mill
Monarch Manual Lathe
Cincinnati Hydroshift Lathe
Pacific J Series Hydraulic Press Brake
Overall Part Dimensions Length: 120"
Width: 90"
Height: 60"
Tightest Tolerances ±.001
Material Used A-36 steel
Testing/Inspection performed Inspection of:
  • Manufactured Parts
  • Assemblies
  • Systems
Test Welds Under Vacuum
Estimated Part Weight 14,000 lbs.
Industry for Use Plastic
Quantity Manufactured 1
Delivery Time 12 Weeks
Product Name Vacuum Chamber
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