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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Chemical vapor deposition of diamond material helps reduce cutting time, increase quality for JSF wing skins
3/1/2008
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
Robotic trimming radically shortens Corvette fender production cycle
11/1/2007
Plasan USA (Bennington, Vt.) molds the Chevrolet Z06 Corvette’s front fenders with hand layed, autoclave-cured carbon/epoxy prepreg. Until recently, however, manual deflashing, trimming and drilling of the demolded parts consumed more than an hour to meet requirements for edge quality and fastener hole location
Managing multi-axis manufacturing
11/1/2007
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.
Waterjet cutting system tackles big job, outdoor environment
10/1/2007
When Plasti-Fab Inc. (Tualatin, Ore.), a manufacturer of corrosion-resistant equipment for water and wastewater treatment and control, landed a contract to cut hundreds of circles out of 8,000-lb/3,629-kg, 1-inch/25 mm thick rectangular fiberglass plates, the company needed an efficient cutting solution. Tests with a
JEC Composites 2006 Product Showcase - 7/1/2006
7/1/2006
Advanced composites continue to lead the economic upswing in the composites industry.

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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

Software plugin for composites cutting
JETCAM International, Dassault Systèmes 10/7/2008
Fourth axis for vertical machining center
Methods Machine Tools 10/7/2008
High-performance carbide drills
Precision Dormer 10/7/2008
Waterjet cutting table
Jet Edge Inc. 10/7/2008
NC software for turbine machining
Numerical Control Computer Sciences (NCCS) 10/7/2008

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