Surface Modeling with Product design techniques

Surface Modeling

Surface modeling

Extruded Surface

Extruded Surface – Draft

Revolved surface

Objectives

Swept surface

Swept surface with guide curves

Lofted surface

Objectives

Boundary surface

Boundary surface in aerofoil shape

Filled surface

Planar surface

Objectives

Offset surface

Ruled surface

Ruled surface - Taper & perpendicular to vector

Ruled surface – Sweep

Delete face – Delete

Delete face - Delete & patch

Delete face - Delete & fill

Objectives

Replace face

Delete hole

Extend face

Trim surface

Trim surface types

untrim surface

untrim surface detail

Objectives

Knit surface

Thicken

Cut with surface

3D Curves - Composite & Project cuves

Objectives & Practice Drawings

Examples for Surface Modeling

Rocking wheel chair - How to create a body

Rocking wheel chair - How to create Leg

Rocking wheel chair - How to use trim

Rocking wheel chair - How to create Backrest

Rocking wheel chair - final body

Patterned Water Bottle

Wooden chair - from sketch to surface

Wooden chair - For surface to solid

Egg shaped mouse

Starts from Fundamentals Tools

Design Considerations in Product Lifecycle Management

Product Lifecycle Management (PLM) is a strategic approach that integrates people, processes, and technology to manage the entire lifecycle of a product, from its conception to its end-of-life. Effective PLM ensures that all aspects of a product's journey, including design, development, manufacturing, distribution, and service, are aligned and optimized.

Introduction to Solidworks

Solidworks is a powerful 3D CAD software widely used in various industries for product design and development. It offers a comprehensive set of tools for creating, modifying, and analyzing 3D models, making it an invaluable asset for engineers and designers.

Views Tab and its Tools

The Views tab in Solidworks provides a range of tools for controlling how the model is displayed on the screen. These tools include standard views (front, top, side), custom views, sections, and more.

Sketch Profiles from Line to Fillet

Sketching is the foundation of any 3D model in Solidworks. Starting with basic lines, you can gradually build complex shapes by adding features like fillets (rounded corners) to smooth out edges and improve the aesthetic appeal and functionality of the design.

Trim Entities

The Trim tool allows you to remove unwanted portions of lines, arcs, or other sketch entities. This is crucial for creating precise and clean sketches.

Offset Entities

The Offset tool creates a parallel entity at a specified distance from the original. This is useful for creating features like walls, flanges, or patterns.

Modifying Entities: Move to Stretch

The Move/Copy and Stretch tools provide flexibility in manipulating sketch entities. You can move or copy entities to new locations, and stretch them to adjust their size or shape

Repair Sketch

The Repair Sketch tool helps identify and fix any issues or inconsistencies within the sketch, ensuring that it's ready for subsequent features.

Quick Snap

Quick Snap is a powerful feature that assists in creating precise sketches by automatically snapping to endpoints, midpoints, intersections, and other key points.

Rapid Sketch

Rapid Sketch mode allows for faster sketching by temporarily disabling some constraints, enabling quick and intuitive sketching of complex shapes.

Dimensional and Geometrical Constraints

Dimensional constraints define the size and shape of sketch entities using numerical values (e.g., length, angle). Geometrical constraints, on the other hand, define relationships between entities (e.g., parallelism, perpendicularity, tangency). By combining these constraints effectively, you can create fully defined and dimensionally accurate sketches.

Surface Modeling

In Solid modeling, creating features involves various techniques. Extrusion, revolution, and sweeping are common methods to generate solids from 2D profiles. Cutting operations, such as extruded, revolved, and swept cuts, remove material. 

Lofting creates smooth transitions between cross-sections. Boundary features define shapes within enclosed regions. Hole Wizard and Thread features facilitate the creation of standard holes and threads. Fillet, with types like constant, variable, and tangent, rounds edges for aesthetic or functional purposes. Chamfer creates angled edges. Patterns, including linear, circular, and rectangular, replicate features. 

Shell creates hollow objects with defined thickness. Draft simulates the removal of material at an angle, aiding in manufacturing. Wrap applies a 2D profile onto a 3D surface. Intersect creates new geometry by finding the intersection of existing objects. Mirror creates symmetrical features. Dome creates a curved surface. 

Combine features allow for Boolean operations (union, subtract, intersect) between bodies. Indent and Flex features deform geometry in specific ways. Scale alters the size of objects. Split divides a body into multiple parts. Moving and copying bodies allow for precise placement within the design. Understanding the types of planes (XY, YZ, XZ, etc.) and curves (lines, arcs, splines) is crucial for accurate modeling.