precision machined components
Sigma’s UK factory has been manufacturing CNC machined components for over 40 year supplying pipe assemblies, end fittings, and other machined airplane components to leading edge OEM’s. This extensive aerospace engineering experience, supported by our AS9100 approved China factory, provides a low cost, low risk solution for our customers’ global sourcing or global outsourcing strategy.
Continuous investment in modern CAD/CAM and CNC machine tool technology ensures that either in the UK or Asia Sigma can maintain the highest possible standards of quality and competitive costs
Our capabilities are:
CNC Turning
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Conventional CNC lathes, chuck or bar fed
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Live tooling with C and Y axes
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Sliding head machines for higher volume production
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Tolerances to 0.0005” (.012mm)
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Max chuck diameter 10” (250mm)
CNC Milling
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Vertical and horizontal machining centres
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Pallet change
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5 axis capability
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Tolerances to 0.001”
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Max size 1000 x 1500mm
Other in-house capabilities include universal and surface grinding, NADCAP approved FPI, MPI and x-ray non-destructive testing.
Sigma also has access to a comprehensive network of NADCAP approved suppliers for special processes including anodizing, alocrom, plating, passivation, heat treatment and vacuum brazing.
