begin with 3D drawing
The Sketcher is an NX application that you use to create 2-dimensional geometry within a part. Each sketch is a named collection of 2D curves and points residing on a plane that you specify. You can use sketches to address a wide variety of design needs. For example, you might create:
• Detailed part features by sweeping, extruding, or revolving a sketch into a solid or a sheet body.
• Large-scale 2D concept layouts with hundreds, or even thousands, of sketch curves.
• Construction geometry, such as a path of motion, or a clearance arc, that is not meant to define a part feature.
Sketch Constraints
Sketcher tools let you fully capture your design intent through geometric and dimensional relationships that we refer to collectively as constraints. Use constraints to create parameter-driven designs that you can update easily and predictably. Sketcher evaluates constraints as you work to ensure that they are complete and do not conflict. A fully constrained sketch has as many constraints as there are degrees of freedom in the sketch, so that there can be no ambiguity in the final shape. While it is not required, we recommend that you fully constrain sketches that define feature profiles.
Sketcher also offers you the flexibility to create as many, or as few, constraints as your design requires. That means you can use Sketcher to create wireframe drawings that can serve a wide variety of up-front design purposes, and are not meant for down-stream processing. For example you might create 2D layout sketches for products such as digital cameras, printers, or other devices in which you focus on:
• Product structure
• Component layout
• Basic component shape
Or you might create construction geometry including:
• Area/volume restrictions in a part
• Range/arc of free motion
• Part labels or logos
• Layout of grille holes
Sketches like these typically require few, if any, constraints. Sketcher's Create Inferred Constraints and Inferred Constraint Settings commands make it easy to mix constrained and unconstrained geometry in a single sketch.
• Is the sketch adding to an existing base feature? If so, select an existing datum plane or part face, or create a new datum plane with an appropriate relationship to existing datum planes or part geometry.
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for more details and updates about unigraphics simple tutorial please visit.........
www.unigraphicsimpletutorial.blogspot.com
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www.unigraphic-simple-tutorial.com
• Detailed part features by sweeping, extruding, or revolving a sketch into a solid or a sheet body.
• Large-scale 2D concept layouts with hundreds, or even thousands, of sketch curves.
• Construction geometry, such as a path of motion, or a clearance arc, that is not meant to define a part feature.
Sketch Constraints
Sketcher tools let you fully capture your design intent through geometric and dimensional relationships that we refer to collectively as constraints. Use constraints to create parameter-driven designs that you can update easily and predictably. Sketcher evaluates constraints as you work to ensure that they are complete and do not conflict. A fully constrained sketch has as many constraints as there are degrees of freedom in the sketch, so that there can be no ambiguity in the final shape. While it is not required, we recommend that you fully constrain sketches that define feature profiles.
Sketcher also offers you the flexibility to create as many, or as few, constraints as your design requires. That means you can use Sketcher to create wireframe drawings that can serve a wide variety of up-front design purposes, and are not meant for down-stream processing. For example you might create 2D layout sketches for products such as digital cameras, printers, or other devices in which you focus on:
• Product structure
• Component layout
• Basic component shape
Or you might create construction geometry including:
• Area/volume restrictions in a part
• Range/arc of free motion
• Part labels or logos
• Layout of grille holes
Sketches like these typically require few, if any, constraints. Sketcher's Create Inferred Constraints and Inferred Constraint Settings commands make it easy to mix constrained and unconstrained geometry in a single sketch.
• Is the sketch adding to an existing base feature? If so, select an existing datum plane or part face, or create a new datum plane with an appropriate relationship to existing datum planes or part geometry.
(fr.unigraphics help)
for more details and updates about unigraphics simple tutorial please visit.........
www.unigraphicsimpletutorial.blogspot.com
---or---
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