CAD, CAM

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CAD, CAM

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► PROJECT | Export | CAD, CAM

The CAD, CAM group contains the supported CAD, CAM product interfaces.

Export preconditions

The export availability of CAD, CAM interfaces depends on component type and design progress.

Component type

Export available from design step

Impeller, stator with blades

"Mean lines"

Stator without blades

"Meridional contour"

Volute

"Spiral development areas"

[ I = Impeller     S = Stator     V = Volute     MC = Multi-Component export supported ]

Menu entry

Description

Component type

AutoCAD

*-.txt

I

S

V

MC

Lisp script xyz2spline (part of CFturbo) creates splines from imported points.

Select "AutoCAD Classic" Workspace

Load "xyz2spline.lsp" under Manage | Load Application

Run command "xyz2spline" and select *.txt file

 

 

 

 

Ansys BladeGen

*.rtzt

I

S

V

MC

The file contains complete 3D impeller geometry point-by-point.

File | Open: select file type „Meanline File (*.rtzt)“

select *.rtzt file

 

 

 

 

CATIA

*.catvbs

I

S

V

MC

The macro generates a surface model + generating splines.

Tools | Macro | Macros

Select macro library and macro, Run

 

 

 

 

Creo Parametric

*.ibl, *.pts

I

S

V

MC

*.ibl contains geometry defined by 3D points.

*.pts files are exported for impellers only and contain information about blade thickness defined by 2D points

Home | New | Part <name> (if no file is open)

Model | Get data | Import

select *.ibl or *.pts file

 

 

 

 

hyperMILL

*.stp

I

S

V

MC

File | Open

 

 

 

 

Inventor

*.bas

I

S

V

MC

The macro generates a surface model + generating splines.

Tools | Visual Basic Editor

VB

oFile | New project

oFile | Import file, select *.bas

oTools | Macro, select “Main”, Run

 

 

 

 

NX

*.dat

I

S

V

MC

Some files per component are created.

New | New Project file <name> (if no file is open)

Application | Modeling

To import curves (hub, shroud, material domain, secondary flow path and volute contour curves):

File | Import | Points from file

select *.dat file

Use "fit curve" to make a spline through desired points

To generate surfaces (blade, volute, diffuser):

Insert | surface | Through points

Row degree <= number of blade profile sections

Column degree <= Row degree-1

Points from file

select *.dat file

 

Please note: If the mentioned menu options are not available, the appropriate commands have to be created:

a)"Tools/Customize" or right click on any toolbar/menu, "Customize..."

b)"Commands", "Insert/Curve/Spline..." or "Insert/Surface/Through Points..."

c)Integrate selected item via Drag and Drop in a menu or toolbar

 

 

 

 

SOLIDWORKS

*.swb

I

S

V

MC

The macro generates a surface model + generating splines.

Tools | Macro | Run: select *.swb

 

 

 

 

Ansys SpaceClaim

*.stp; *.x_t; *.x_b

 




File contains designed geometry as volume model.

File | Open: select exported file