NX: Class A Surfacing

NX: Class A Surfacing

1h 26mAdvanced2019-12-18

Authors

Steven Marjieh

Steven Marjieh

CEO of Class A Surfacing

Course details

Class A surface modelers are called digital sculptors for a reason: the Class A surface represents the absolute peak of styling for freeform surfaces. For this reason, the class A technique is used to design automobiles, high-end products like mobile phones, and aerospace craft, where the shapes must be of the highest quality. This course introduces the concepts behind Class A surfacing, including an explanation of key terms and their roots in shipbuilding history. You also learn the fundamentals of Class A surfacing design—from deriving curves to creating mesh surfaces—and find out how to implement these techniques in Siemens NX, a high-end CAD platform. Instructor Steven Marjieh also shows how to assemble the final form, and perform an analysis to ensure your designs meet the original engineering and styling intents.

Learning objectives
What is Class A surfacing?
Primary, secondary, and tertiary geometry
CAD tools and options
Deriving curves off existing geometry
Extruding and revolving advanced geometry
Creating mesh surfaces
Creating offsets
Joining elements
Creating and extending slabs
Creating tangent curves
Making tertiary blend surfaces
Removing excess material and joining the final elements
Measuring and modifying the final shape

Skills covered

Siemens NXSiemensMechanical EngineeringAutomotive DesignProduct and ManufacturingDeep Dive (X:Y)

Concepts

Introduction

  • Create the highest quality surfaces in NX
  • What you should know

Class A Surfacing

  • What is Class A surfacing
  • Constituent components

Basics of Design

  • Primary, secondary, and tertiary geometry
  • Continuities to adjacent elements

CAD Tools and Options

  • Preferences

Tools

  • What are splines
  • Using Project, Intersect, and Combine
  • How to offset curve on the face
  • Refresher on Extrude and Revolve
  • What are NURBS surfaces
  • Applying bridge surfaces
  • Stylized corner surfaces
  • Make slabs larger
  • Useful edits
  • How to create offsets
  • Trims and splits
  • Combining elements
  • Distance analysis
  • Display tools
  • Curve shape analysis
  • Visualization tools

Create Geometry

  • Create all primary slabs
  • Enlarging slabs
  • Corner blends frame curves set up
  • Corner blend surfaces
  • The top blends
  • Tertiary blend surfaces

Operations

  • Trimming the slab surfaces
  • Sewing the trimmed elements
  • Final fillet

Analysis

  • Relationships to neighboring geometry
  • Modifications

Conclusion

  • Learn more about Class A surfacing
40,000 Toman