Ask Solid Professor Solid Works
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SolidProfessor is a SolidWorks Solution Partner delivering the largest library of SolidWorks video training and tutorial courses on the market. Learn SolidWorks fast and get immediate answers to your design questions anytime and anywhere!Have a how to question Ask SolidProfessor! With over 40,000 subscribers and counting, Ask SolidProfessor delivers rich SolidWorks video tips to your inbox, plus a valuable archive of SolidWorks knowledge, Ask SolidWorks Questions, Get Video Answers.Access the archives that contains hundreds of SolidWorks Tips used by experienced users.SolidWorks is a Parasolid based solid modeler, and utilizes a parametric feature based approach to create models and assemblies.
Parameters refer to constraints whose values determine the shape or geometry of the model or assembly. Parameters can be either numeric parameters, such as line lengths or circle diameters, or geometric parameters, such as tangent, parallel, concentric, horizontal or vertical, etc. Numeric parameters can be associated with each other through the use of relations, which allows them to capture design intent.
Design intent is how the creator of the part wants it to respond to changes and updates. For example, you would want the hole at the top of a beverage can to stay at the top surface, regardless of the height or size of the can. SolidWorks allows you to specify that the hole is a feature on the top surface, and will then honor your design intent no matter what the height you later gave to the can.
Features refer to the building blocks of the part. They are the shapes and operations that construct the part. Shape based features typically begin with a 2D or 3D sketch of shapes such as bosses, holes, slots, etc. This shape is then extruded or cut to add or remove material from the part. Operation based features are not sketch based, and include features such as fillets, chamfers, shells, applying draft to the faces of a part, etc.
screen shot captured from a SolidWorks top down design approach.
Building a model in SolidWorks usually starts with a 2D sketch (although 3D sketches are available for power users). The sketch consists of geometry such as points, lines, arcs, conics (except the hyperbola), and splines. Dimensions are added to the sketch to define the size and location of the geometry. Relations are used to define attributes such as tangency, parallelism, perpendicularity, and concentricity. The parametric nature of SolidWorks means that the dimensions and relations drive the geometry, not the other way around. The dimensions in the sketch can be controlled independently, or by relationships to other parameters inside or outside of the sketch.
In an assembly, the analog to sketch relations are mates. Just as sketch relations define conditions such as tangency, parallelism, and concentricity with respect to sketch geometry, assembly mates define equivalent relations with respect to the individual parts or components, allowing the easy construction of assemblies. SolidWorks also includes additional advanced mating features such as gear and cam follower mates, which allow modeled gear assemblies to accurately reproduce the rotational movement of an actual gear train.
Finally, drawings can be created either from parts or assemblies. Views are automatically generated from the solid model, and notes, dimensions and tolerances can then be easily added to the drawing as needed. The drawing module includes most paper sizes and standards
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