Page 47: of Marine News Magazine (February 2016)

46 48

ech file

T

Premium Option for HydroComp

PropCad Adds New Capabilities ydroComp PropCad, a source for the geometric from a “scanning” measurement device, but it can be obtained modeling of marine propellers, is now offering by interrogation of a 3D CAD ? le. PropCad model Scan Con-

H

PropCad Premium, a collection of major new capa- verter can take 3D measurement data from an actual propeller bilities for PropCad. PropCad is software for the geomet- and recreate the 2D pro? les and blade parameters. This allows ric modeling of marine propellers. It provides tools for the the propeller to be rebuilt as a parametric PropCad model.

automatic preparation of 2D design drawings, 3D views, Geometry Transforms: These allow for repositioning of construction data, calculation of geometric properties, and the blade about the shaft axis, along the reference helix, or

CAD/CAM ? le export. In its 30th year of operation in even about a spindle axis. Some of these are useful in con- 2015, HydroComp provides software and services for re- junction with Scan Converter for smoothing and position- sistance and propulsion prediction, propeller sizing and ing. The spindle axis transformation can be used to check design, and forensic performance analysis. The ? rm’s cli- off-design geometry of CPP blades.

ents include more than 700 industry, research, academic, Pattern Corrections: This utility helps to build pattern and governments from more than 60 countries. geometry from a PropCad design. It provides the means to

The new features supplement existing capabilities of create new pattern geometry with additional offset stock

PropCad with additional capabilities, speci? cally for the for machining and ? nishing, as well as user-de? ned scaling manufacture and inspection of marine propellers. A new factors to account for distortion and shape changes during

Premium licensing option has been created for access to the casting process.

these new features. Nevertheless, PropCad will still be Pattern Corrections is used to expand and thicken propel- available in Standard and Premium editions. And, users ler designs to create machining models and casting patterns. with the separate Scan Converter add-on license will re- Individual control is provided for separate blade parameters.

ceive full credit upgrading to the Premium Edition. CPP Interference Check: This calculates the maximum

The Premium license will include these new capabilities extents of the propeller blade through a range of spindle and upgrades: axis rotation. It is useful for calculating clearance between

Floating network license: All Premium licenses will in- CPP blades, as well as tip extent changes (when in nozzles, clude (or be upgraded to) a one concurrent user ? oating for example). Interference Check is used to for CPP pro- license (i.e., a one-seat Workgroup License). pellers to calculate the maximum extents of the blade as

Scan Converter: This utility allows for the entry of scanned it rotates through different angles, allowing designers to blade surface data (in XYZ or polar format) and conversion quickly calculate nozzle diameters.

into a PropCad design ? le. This information typically comes www.hydrocompinc.com/propcad-premium

PropCad Applications:

New product developmentModeler for FEA or CFDOcean-going marine propellers

Creation of derivative designsAnalysis of existing geometryHigh-skew performance propellers

Production or custom Open or ducted styles Jet impellers and fans

Who Uses PropCad?

Propeller manufacturers Propeller designers Propeller builders

Hydrodynamic researchers Propeller shops and vendors Naval architects 47 www.marinelink.com MN

MN Feb16 Layout 32-49.indd 47 1/21/2016 11:40:37 AM