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• Traditional approach to manufacturing - The first part process usually takes a lot of time and consumes substantial amounts of expensive composite materials
• Final shapes of flat patterns are determined on the shop floor
• Time consuming trial and error
• Cutting plies, placing them on the mold using manual measurement
• If they don’t fit or are distorted, start the process over
• Complex shapes of wind blades hard to predict how material will drape on the mold causing wrinkling or warping
• Not repeatable or optimized

Evaluating Manufacturability in the Virtual Environment

• Simulation capabilities ensure that the detailed design is manufacturable
• Being able to see the lay-up up of plies on the mold to identify where part geometry will cause fabric distortion
• Generation of flat patterns to be exported to a ply cutting machine or laser projection systems
• Generate output for Tape Laying or Fiber Placement machines directly from CAD design software
• Shop floor documentation can be printed, created as a PDF file or an electronic ply book all with associated operations and work instructions
• Simulation capabilities ensure that the detailed design is manufacturable to avoid costly trial and error on the shop floor
• Fabric distortion – engineer can add darts and splices to eliminate fabric bunching and receive immediate feedback to see if the changes corrected the problem
• Flat patterns can be linked to nesting systems for optimized ply layout or laser projection systems eliminating the need for manual measurement during the lay-up process

Dassault Systèmes