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Marine Engineering

A broad variety of CAD CAM tools like ShipConstructor, Rhinoceros, Inventor, Siemens NX and other validated software packages are used to create customized workshop documentation and preparation for NC machines for cutting and forming. Delivery will include also complete 3D models that you can navigate around and take out additional information that you may need. The process for structural engineering:

 

  • 3D surface and solid modeling
  • Structure modeling
  • Expansions and nesting for CNC milling
  • Workshop drawings
  • Additional documentation

 

The outfitting engineering will consist of detailed engineering and production-ready drawings for items like: Equipment foundation, Anchor arrangement, Transom doors, Tender garage, Lifting keels, Centerboard, Steering arrangement.

Surface model and solid model

 

3D surface modeling can be either made from scratch, based on the lines plan and general arrangement drawings or just improve of an existing one.  The surface model is being then transformed into a solid model, it means all the surfaces are converted into plates according to the allocated thicknesses and organized per layers. Between these two steps, we are making the scantling calculation and a general construction drawing.

Structure modeling

 

Once the solid model is ready, the next step is modeling of all the structural components of the boat based on the general construction plan and scantling report. This is done using the Shipconstructor software and will result in a fully detailed model that will contain all the parts that must be fabricated. Everything is organized on a specific product hierarchy and materials information and profile types are designated for each item.

Expansions and nesting

 

The cutting files for the CNC are obtained in two stages. First is to obtain the expansions – 2D contour projections of all the parts unfolded. In this stage, we analyze simultaneously if a surface needs forming templates or not and depending of the case, all the parts generated with Shipconstructor will have marking lines and bending information.

The second stage is to make the Nest file – arranging all the expanded parts in the most efficient way possible within the stock plate size. The output consists of a drawing with AutoCAD entities, all of them will be placed on the corresponding layer representing a specific operation.

system engineering

Workshop drawings

 

The final step is to generate all the workshop drawings and associated files. The Workshop drawings will consist of:

 

–       Transverse construction drawing

–       Longitudinal construction drawing

–       Expansion drawing

–       Assembly drawings

–       Weight calculation

–       Profile report

–       Profile plots

–       Bending and forming drawing