Creo 4.0 core modeling enhancements
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Creo 4.0 includes several enhancements to core modeling features including: 1) Improved sketching tools with enhanced appearance, usability, and B-spline handling. 2) Additional placement and orientation options for hole features. 3) A new mid-plane tool and improved visibility for changing constraint types in datums. 4) Enriched access to side 2 options and support for negative extrusions/revolves in sketch-based features.
Creo 4.0 core modeling enhancements
- 1. CREO 4.0 “CORE” MODELING ENHANCEMENTS Martin Neumüller Director of Product Management, Creo
- 2. 2Forward looking information subject to change without notice • Sketcher – Display Clipped Model in Sketcher – Sketch Text: Modify overall character spacing – Sketch Text: Drive font by parameter – Support b-splines in Sketcher from Style • 3D Sweep (Not in Sneak-Peek) • Sketch Based Features - Enhancements – Improve Access to Side 2 in Graphics Window – New Depth Option – To Selected with Offset / Transform – Support Negative Extrude / Revolve in Side 2 Direction – Address Ambiguity in Thin Feature • Mirror (Not in Sneak-Peek) – Geometry Preview during feature definition – Add features to a Mirror or Moved Copy • Datums – Mid-plane tool – Improved visibility to change constraint type • Holes – Support for additional placement types • Draft – Properly draft a boss at an angle • Groups – Allow Insert Mode in Groups – Allow for Feature Organization – Creo Direct feature grouping in Creo Parametric model tree • Accuracy – Provide better accuracy options when scaling or changing units AGENDA Forward looking information subject to change without notice
- 4. 4Forward looking information subject to change without notice ! Sketcher Slides are preliminary. I expected updated slides and videos from Raphael
- 5. 5Forward looking information subject to change without notice ENHANCED APPEARANCE – Clipping at sketching plane – Improved visual feedback of guides / snapping entities – Customizable line thickness BETTER TEXT TOOL – Adjustable character spacing – Drive font by parameter INTUITIVE SKETCHING Benefits • Improved visibility of sketch and sketch entities • Quicker interpretation of visual aids and guides • Quicker access to options & commands • Faster referencing of model entities IMPROVED USABILITY – New mini toolbar – Snapping to model entities without explicit projection – Consistent 2D box selection IMPROVED B-SPLINE HANDLING – Projection of B-spline remains a B- spline
- 6. 6Forward looking information subject to change without notice CREO 4.0 SKETCHER ENHANCEMENTS • Improved Usability – Mini-toolbar and RMB menu – Snapping to model entities – Box Selection • Enhanced Appearance – Clipping of model view by sketch plane – Highlighting snapping entities, snapping icons and guides • Enhanced text tool – Text font driven by model parameters – Spacing between characters • B-splines – Projection of B-spline remains a B-spline INTUITIVE SKETCHING IMPROVED USABILITY ENHANCED APPEARANCE BETTER TEXT TOOL PROJECT B-SPLINES
- 7. 7Forward looking information subject to change without notice • Use Case – Parametric Sketching • Problem Solved – Too much travel to Ribbon for command access – Explicit projection required for snapping to model entities – Inconsistent box selection behaviour • Benefits – Quicker access to commands – Faster referencing of model entities without the need for additional keyboard interaction or projection steps – Box selection consistent with other areas inside Creo • Known Limitations • Enhancement Details – Mini toolbar – Snapping to model entities without projection – Box Selection behavior aligned also for right- to-left selection IMPROVED USABILITY IN SKETCHER More Intuitive Sketching
- 8. 8Forward looking information subject to change without notice IMPROVED USABILITY • New mini toolbar • Snapping to model entities without explicit projection • Box Selection with direction-sensitive behaviour INTUITIVE SKETCHING IMPROVED USABILITY ENHANCED APPEARANCE BETTER TEXT TOOL PROJECT B-SPLINES Video Benefits • Quicker access to commands • Faster referencing of model entities without the need for additional keyboard interaction or projection steps • Box selection consistent with other areas inside Creo
- 9. 9Forward looking information subject to change without notice • New mini toolbar – Faster dimension control and command access with new mini toolbar concept for O/A workflow • Snapping to model entities – Edges, Vertices, Datum csys, curves, points, axes – Co-planar with sketch plane when sketch plane is skewed to the screen – All entities when sketch plane is parallel to the screen – Creation of references (in Creo Parametric, not in Creo Direct) • Enhanced Box selection support – Right-to-left vs left-to-right behavior SKETCHER – IMPROVED USABILITY Capabilities
- 10. 10Forward looking information subject to change without notice • Use Case – All sketching workflows • Problem Solved – 3D geometry might obfuscate the 2D sketch entities – Unclear which entities are referenced by constraints • Benefits – Allows the user to focus on the sketching plane by removing geometry that obstructs the view – Improved visibility of sketch and sketch entities – Quicker interpretation of visual aids and guides • Known Limitations • Enhancement Details – Clipping of model view at the sketching plane – Improved visual feedback of guides – Customizable Line Thickness Option ENHANCED APPEARANCE IN SKETCHER Enhanced Sketcher Appearance For Faster Sketching Experience
- 11. 11Forward looking information subject to change without notice ENHANCED APPEARANCE • Clipping of model view at the sketching plane • Improved visual feedback of guides • Customizable Line Thickness Option INTUITIVE SKETCHING IMPROVED USABILITY ENHANCED APPEARANCE BETTER TEXT TOOL PROJECT B-SPLINES Video Benefits • Allows the user to focus on the sketching plane by removing geometry that obstructs the view • Improved visibility of sketch and sketch entities • Quicker interpretation of visual aids and guides
- 12. 12Forward looking information subject to change without notice • Clipping of model view at the sketching plane – Toggle model display within Sketcher (clipping on/off) – IGT control – Clipping color derived from part color • Improved visual feedback of guides – New snapping icons and guides – Highlighting snapping entities • Customizable Line Thickness Option – Affects geometry line thickness – Does not affect guides, etc SKETCHER – IMPROVED APPEARANCE Capabilities
- 13. 13Forward looking information subject to change without notice • Use Case – Sketching text (e.g. to emboss a label) • Problem Solved – Spacing of text could not be controlled – Text font could not be driven externally • Benefits – More control over Sketched Text – Programmatically drive Font choice – Improved productivity and user experience • Known Limitations • Enhancement Details – User control over character spacing of Sketch Text (% of default spacing) – Drive font by parameter TEXT TOOL ENHANCED TEXT TOOL IN SKETCHER
- 14. 14Forward looking information subject to change without notice BETTER TEXT TOOL • User control over character spacing of Sketch Text – Set value as % of default spacing • Drive font by parameter INTUITIVE SKETCHING IMPROVED USABILITY ENHANCED APPEARANCE BETTER TEXT TOOL PROJECT B-SPLINES Benefits • More control over Sketched Text • Programmatically drive Font choice • Improved productivity and user experience
- 15. 15Forward looking information subject to change without notice • Use Case – Projecting a B-Spline curve (e.g. created by Style feature) • Problem Solved – Projecting a high degree B-Spline curve resulted in a lower degree Spline curve inside sketcher. Re-usage of that curve then resulted in lower surface quality • Benefits – Quality of B-spline curves is preserved after projection into a Sketch • Known Limitations • Enhancement Details – Improved B-Spline handling: Projection of B-spline remains a B-spline (for example a B-spline curve created by style feature projected onto a sketch plane will remain a B-spline) PROJECT TOOL ENHANCEMENTS HANDLING OF B-SPLINES IN PROJECT
- 16. 16Forward looking information subject to change without notice PROJECT B-SPLINES • Improved B-Spline handling: Projection of B-spline remains a B-spline (for example a B-spline curve created by style feature projected onto a sketch plane will remain a B-spline) INTUITIVE SKETCHING IMPROVED USABILITY ENHANCED APPEARANCE BETTER TEXT TOOL PROJECT B-SPLINES Benefits • Quality of B-spline curves is preserved after projection into a Sketch • Re-usage of that projected curve results in surfaces preserving original quality level
- 17. 17 NEW & ENHANCED CORE MODELING FEATURES
- 18. 18Forward looking information subject to change without notice CORE MODELING PRODUCTIVITY ENHANCEMENTS 3D Sweep *) Extrude/Revolve Mirror *)Mid-planesHole Draft Groups *) delivery planned with Creo 4.0 M020
- 19. 19Forward looking information subject to change without notice MILLING SCENARIO – 3D sweep along a 3D curve – Rotation axis of cutting tool stays constant with respect to any fixed plane 3D SWEEP Benefits • Create accurate 3D geometric representations for parts machined with cutting tools instead of 2D sweep approximations GRINDING WHEEL SCENARIO – 3D sweep along a helix (helical sweep or curve from equation) – Constant or variable helix pitch – Rotation axis of cutting tool parallel to axis of helix
- 20. 20Forward looking information subject to change without notice • Cutting Tool Definition – Revolved sweep section – Section Y axis -> axis of revolution – 3D sweep section requirements: • It defines a convex cutting tool • It contains only lines and circular arcs • It must contain a line along the y axis (vertical cross-hair) representing the axis of revolution of the tool • Cutting Tool Display – Display sweep frame – Display section and revolved tool 3D SWEEP - DETAILS AND FUTURE CONSIDERATIONS Forward looking information subject to change without notice
- 21. 21Forward looking information subject to change without notice • Use Case – Creating geometry by extruding or revolving a sketch in non-trivial geometric situations • Problem Solved – Cumbersome access to side 2 options – Multiple features required in offset cases – No control over geometric result for end conditions of thin features • Benefits – Improved productivity and user experience – Reduced number of needed features – Increased design flexibility – Greater control over geometry – More predictable regeneration • Known Limitations • Enhancement Details – Enriched access to side 2 options in graphics – Negative Extrude and Revolve – Extrude To Selected with Offset / Transform – Addressed Ambiguity in Thin Features SKETCH BASED FEATURE ENHANCEMENTS ENRICHED OPTIONS AND QUICKER ACCESS TO SIDE 2 OPTIONS
- 22. 22Forward looking information subject to change without notice SIDE 2 ACCESS – Enriched access to side 2 options in graphics NEGATIVE DIRECTION – Negative Extrude and Revolve SKETCH BASED FEATURES Benefits • Improved productivity and user experience • Reduced number of needed features • Increased design flexibility • Greater control over geometry EXTRUDE W. OFFSET – Extrude To Selected with Offset / Transform THIN FEATURES – Addressed Ambiguity
- 23. 23Forward looking information subject to change without notice ENRICHED ACCESS TO OPTIONS FROM GRAPHICS • Improved Access to Side 2 options from Graphics Window – Specify depth options for either side from the depth drag handle – Quickly specify depth option: 2 Sides Through All SKETCH BASED FEATURES SIDE 2 ACCESS NEGATIVE DIRECTION EXTRUDE WITH OFFSET THIN FEATURES Benefits • Improved productivity and user experience
- 24. 24Forward looking information subject to change without notice Negative Extrude and Revolve • Support of Negative Extrude / Revolve in Side 2 Direction • Negative Side 2 extrusion or revolve will remove geometry in the Side 1 direction – Supports Side 2 Blind, or To Selected in the negative direction as long as Side 1 does not intersect Side 2 SKETCH BASED FEATURES SIDE 2 ACCESS NEGATIVE DIRECTION EXTRUDE WITH OFFSET THIN FEATURES Benefits • Improved productivity and user experience • Increased design flexibility
- 25. 25Forward looking information subject to change without notice EXTRUDE TO SELECTED WITH OFFSET/TRANSFORM • Option in Extrude to either Offset or Transform the “To Selected” surface reference SKETCH BASED FEATURES SIDE 2 ACCESS NEGATIVE DIRECTION EXTRUDE WITH OFFSET THIN FEATURES Benefits • Improved productivity and user experience • Reduced number of needed features
- 26. 26Forward looking information subject to change without notice ADDRESSED AMBIGUITY IN THIN FEATURES • More control over the end conditions on Thin Features in Extrude and Revolve SKETCH BASED FEATURES SIDE 2 ACCESS NEGATIVE DIRECTION EXTRUDE WITH OFFSET THIN FEATURES Benefits • Greater control over geometry • More predictable regeneration
- 27. 27Forward looking information subject to change without notice • Use Case – Creation of simple or standard holes • Problem Solved – Limitations in supported placement and hole orientation types and situations – Unwanted overhang geometry in certain situations • Benefits – Greater flexibility for hole placement, and orientation definition – Improved geometric results for holes at an angle • Known Limitations – Top clearance • Unexpected results might occur for ambiguous cases • Hole pattern regeneration time might be impacted • Enhancement Details – Support Additional Placement Types • Point (not on surface) and Surface • Axis (not normal to surface/dtm) and Surface – New user option to define Drilling direction – Automatic removal of overhang geometry at beginning of hole at an angle ENHANCED GEOMETRY AND DATUM TOOLS: HOLE New options to control placement, direction and top clearance in Hole Feature
- 28. 28Forward looking information subject to change without notice HOLE FEATURE ENHANCEMENTS – Additional Placement Types – New user option to define drilling direction – Automatic removal of overhang geometry at beginning of hole at an angle HOLE BenefitsBenefits • Greater flexibility for hole placement, and orientation definition • Improved geometric results for holes at an angle
- 29. 29Forward looking information subject to change without notice • Support Additional Placement Types – Removal of previous placement requirements: • Point – Surf: Point must be on surface • Surf – Axis: Axis must be normal to surface – New additional placements situations allowed: • Point (not on surface) and Surface • Axis (not normal to surface/dtm) and Surface • New user option to define Drilling direction – Added direction utility collector – Available for all placements other than co-axial • Automatic removal of overhang geometry at beginning of hole at an angle – New “Top Clearance” option HOLE - ENHANCEMENTS Example 1: placement on datum plane and datum axis offset from the part‘s top surface Example 2: placement on point not on surface and conical surface Example 3: point on surface, free non-normal orienattion (drilling direction) Forward looking information subject to change without notice Enhancements
- 30. 30Forward looking information subject to change without notice • Use Case – General datum and Mid-Plane creation (for example to be leveraged for a mirror operation) • Problem Solved – Usability Issue: It was not obvious to users that the shown constraints for each reference could be modified and selected from a drop-down list – Creating a mid-plane was cumbersome and required several manual steps • Benefits – Faster construction of mid-planes eliminating previously required construction steps – More intuitive user interaction • Known Limitations • Enhancement Details – New Mid-plane tool option in Datum plane tool – Improved visibility to change constraint type ENHANCED GEOMETRY AND DATUM TOOLS: DATUMS Creation of Mid-Planes and improved usability in Datum Feature
- 31. 31Forward looking information subject to change without notice DATUM FEATURE ENHANCEMENTS – New Mid-plane tool – Improved visibility to change constraint type DATUM BenefitsBenefits • Faster construction of mid-planes eliminating previously required construction steps • More intuitive user interaction
- 32. 32Forward looking information subject to change without notice • Mid-plane tool – Create a datum plane mid way between two references • Reference pair can include: – P: planar surface or datum plane – A: datum axis (or cylinder/cone) or linear curve/edge – X: datum point, datum csys, vertex • O/A workflow with planar-planar references • Improve visibility to change constraint type – Make the dropdown to change constraint type more obvious when defining a datum DATUM PLANE Enhancements Forward looking information subject to change without notice
- 33. 33Forward looking information subject to change without notice • Use Case – Changing a feature mirror definition • Problem Solved – Previously the features to be mirrored could not be changed upon Edit-Definition of the Mirror feature, nor could the dependency options be changed • Benefits – More intuitive and flexible interaction with mirror tool for faster definition and redefinition of feature • Known Limitations for M020 – Only available in part mode? – Not supported for fully dependent option • Enhancement Details – Geometry preview during feature definition – Add features to a Mirror – Remove features from a Mirror ENHANCED GEOMETRY AND DATUM TOOLS: MIRROR Geometry Preview and ability to add/remove features in Mirror feature
- 34. 34Forward looking information subject to change without notice MIRROR FEATURE ENHANCEMENTS – Geometry preview during feature definition – Add features to a Mirror operation – Remove features from a Mirror operation MIRROR BenefitsBenefits • More intuitive and flexible interaction with mirror tool for faster definition and redefinition of feature
- 35. 35Forward looking information subject to change without notice • Geometry Preview during feature definition – Provide a real preview during feature mirror • Add features to a Mirror – Feature collector added to Mirror • Informs user if source features are missing – Users have the option to re-apply mirror / transformation and then more features can be added / removed • If source features have been deleted, they will no longer be included in the new mirrored target features • If target features have been previously modified, those modifications will be lost. MIRROR Enhancements Forward looking information subject to change without notice
- 36. 36Forward looking information subject to change without notice • Use Case – Creation of Draft • Problem Solved – Geometry calculation did not take surfaces into account that already meet the draft angle criteria • Benefits – Better control over geometric result – Geometric result better meets user expectations • Known Limitations – Previously existing limitation that draft fails if angle between pull direction and "axis" of a protrusion is bigger than 45 degrees remains • Enhancement Details – Matured, real-life Draft of a boss at an angle – New option to exclude areas that already meet the draft requirements ENHANCED GEOMETRY AND DATUM TOOLS: DRAFT New options to control the geometric result in Draft Feature
- 37. 37Forward looking information subject to change without notice DRAFT FEATURE ENHANCEMENTS – Improved Draft of a boss at an angle – New option to exclude areas that already meet the draft requirements DRAFT BenefitsBenefits • Better control over geometric result • Geometric result better meets user expectations
- 38. 38Forward looking information subject to change without notice • Use Case – Usage of groups as general feature organization concept • Problem Solved – Many limitations (workflow and usability) restricted broader usage of groups • Benefits – More intuitive and flexible interaction with groups make grouping concept much more broadly applicable • Known Limitations – Features to be grouped must still be sequential, at the same level, and in the same model • Enhancement Details – Improved Reorder with Groups – Insert Mode in Groups – Removed Limitations, including – Restrictions lifted include: • Failed, child of failed, incomplete, un-regenerated, under-constraint, frozen features • Layout, import, skeleton, shrinkwrap, zone features • Blend feature created with "From File" option • Flexible Modeling: – features with propagation (pattern, symmetry, mirror) – Round/Chamfer recognition features – Creo Direct changes grouped in Creo Parametric’s Model Tree GROUPS Better Feature Handling with Improved Grouping Concept
- 39. 39Forward looking information subject to change without notice BETTER FEATURE HANDLING WITH IMPROVED GROUPS – Improved Reorder with Groups – Insert Mode in Groups – Removed Limitations – Creo Direct changes grouped in Creo Parametric’s Model Tree GROUPS Benefits • More intuitive and flexible interaction with groups make grouping concept much more broadly applicable
- 40. 40Forward looking information subject to change without notice • Improved Reorder with Groups – Improved workflow and visual indication to allow users to reorder features to immediately after a group using drag and drop or the reorder dialog • Features can begin either inside or outside of the group • Insert Mode in Groups now allowed – Added RMB > Insert Here in a group – Allow drag of Insert Here to within a group • Improved Groups for General Feature Organization – Lift most restrictions on local group usage • Failed, incomplete, un-regenerated features, shell, etc. – Features to be grouped must still be sequential, at the same level, and in the same model • Creo Direct changes grouped in Creo Parametric’s Model Tree GROUPS Enhancements Forward looking information subject to change without notice
- 41. 41Forward looking information subject to change without notice • Use Case – Scaling a model – Changing model units • Problem Solved – Accuracy previously often scaled with the model – No way to force the accuracy (absolute size) to remain unchanged • Benefits – More control over and reduced impact onto the model accuracy • Known Limitations • Enhancement Details – Scaling: New– UI option to determine if accuracy is scaled or not. Default is not to scale it ACCURACY OPTIONS BETTER ACCURACY OPTIONS WHEN SCALING OR CHANGING UNITS
- 42. 42Forward looking information subject to change without notice BETTER ACCURACY OPTIONS WHEN SCALING OR CHANGING UNITS SCALING – Previous– when a part is scaled, the absolute accuracy is scaled as well – New– UI option to determine if accuracy is scaled or not. Default is not to scale it. CHANGING MODEL UNITS: Convert dimensions (keep size) – Previous & New – Convert absolute accuracy to keep it the same size CHANGING MODEL UNITS: Interpret dimensions (change size, keep dimension values) – Previous– accuracy value is not changed, => size of accuracy can change dramatically – New–absolute size of accuracy can be maintained through conversion of accuracy ACCURACY HANDLING Benefits • More control over and reduced impact on the model accuracy