Zone: Cutting, Nesting, Machining Technology

Managing multi-axis manufacturing

Much early computer numerically controlled (CNC) machinery served short-run military and space programs where cost per part was too high to be acceptable in the manufacture of commercial aircraft. Now, Automated CNC machinery moves toward volume production and part-specific design.

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Skinning the F-35 fighter
10/19/2009
Fasteneing the all-composites skin on the Lightning II requires machining and drilling technology that is optimized for cost-efficiency.
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Who wouldn’t give $105,000 to gain $222 million? Lockheed Martin Aeronautics Co. (LMAC, Ft. Worth, Texas) did and in the process was able to fabricate dimension-critical aerostructures more efficiently, more accurately, and faster. LMAC is a major components manufacturer for the F-35 Joint Strike Fighter (JSF), the...

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Overview Of:

Cutting, Nesting, Machining Technology

 

Cutting is typically used to cut carbon fiber and glass fiber fabrics to a specific shape to meet design and part performance requirements. These cut fabrics then are usually placed in or on a tool in a specific location, determined by the part design. Automated cutting can be done on cutting tables, with fabric laid flat and a computer-controlled cutting head moving over it to cut shapes. Nesting refers to the layering of cut fabrics within a part or structure to optimize strength and rigidity

Machining typically is done on finished composite components and structures in order to trim the part, drill holes, or to remove excess material, or deflash. Such machining is usually done with metallic bits that use a highly abrasive-resistant material, such as carbide or a diamond coating. Alternatively, composites can be cut with a waterjet system that shoots a stream of ultra high-pressure water through a nozzle to generate a cutting action, or with lasers.

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Product Announcements

Laser cutter and waterjet cutter
Mitsubishi Laser 10/7/2009
Automated processing of large, complex parts
MAG Industrial Automation Systems 9/23/2009
Waterjet cutting machines
Flow International Corp. 8/28/2009
Waterjet management software
Flow International Corp. 8/14/2009
Ultrahigh-pressure waterjet pump
Flow International Corp. 8/14/2009

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