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Siemens A&D MC

ISO 14649Passing more than simple paths and switching commands to the NC

Dipl.-Ing. P. Müller

Siemens AG A&D MCGermany

12 February 2003

Prototype Implementation based on Sinumerik 840d

© WZL RWTH Aachen

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Siemens A&D MC

Expectations and Principle

�Fast track process chain CAD to product

�Link between CAD/CAM and CNC

�Exchangeability of programs

�New principle

– use geometry from CAD

– description of what to manufacture: „hole“

– description how to manufacture the hole: „drill“

– no description of tool movement by: G01 X, Y,Z

© WZL RWTH Aachen

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Siemens A&D MC

Interface

�How does the interface look like?

– Object oriented description of features

features are: hole, plane, profile, pocket, toolpath, ...

– Operations

tell the control how to do that.

– Workingsteps

describe the sequence of the operations

© WZL RWTH Aachen

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Siemens A&D MC

Examples for Features

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Siemens A&D MC

Interface Example

File:

Header

#9=Project(Workplan #10);

#10=Workplan(#20,#35,#71,.....);

.

#20=Machining_workingstep( , #21(Feature),#22(Machining));

#21=Round_hole(´Hole M6´,,,,,,,,,,,);

#22=Drilling(#..(Tool),,,#..(Technology),#..(Machine_functions));

.

.

#35=Machining_workingstep(......);

END-ISO-10303-21;

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Siemens A&D MC

Program Listing

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Siemens A&D MC

Operators Panel of the Prototype based on Sinumerik 840d

© WZL RWTH Aachen

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Siemens A&D MC

Operators Panel of the Prototype based on Sinumerik 840d

© WZL RWTH Aachen

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Siemens A&D MC

Prototype Test

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Siemens A&D MC

Test Work Piece 1

© WZL RWTH Aachen

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Siemens A&D MC

Test Work Piece 1 Detail