What do you mean by constraining a sketch in Catia?

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What is meant by constraining in CATIA?

To create a precise 2D sketch in CATIA, we use constraints. What does “constraint” actually means? It means that we are restricting the degree of freedom of the sketch. Consider, you want to constraint a line. If you provide its length, then it ensures that the length of the line is under control.

What do you mean by constraining a sketch?

Constraints are automatically applied as you sketch. The constraint symbol on the cursor shows the constraint type. Constraints prevent unwanted changes to a feature when dimensions are changed or referenced geometry is moved. You can add or edit constraints and dimensions to control sketch shape and size.

What is under constrained in CATIA?

Choose Under-constrained Sketches and it will show you all the sketches that still require dimensions or geometric constraints to be fully constrained.

What do you mean by ISO constraints?

ISO- Constraints-: When degrees of freedom of geometry have been taking up by a predictable combination of measurements and fixed geometry. That geometry is said to be ISO-CONSTRAINED.

What is the Colour of sketch which is fully constrain?

The color of sketch entities indicate its constrained status: Blue means under-constrained. Black means fully constrained.

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What is meant by over constrained?

Also in engineering and mathematics, overconstrained is used when there are too many simultaneous equations to result in an exact solution. For example, fitting a line to many points is overconstrained because technically a line cannot be drawn simultaneously through all of the points.

What advantages do CAD sketches have over freehand sketches?

What advantages do CAD sketches have over freehand sketches? CAD sketches are easily fixed and allow for an isometric view and a multi-view perspective.

How do you fully constrain a sketch in CATIA?

Geometrical Constraints

Keep only Geometrical Constraint activated.
Click Circle from the Profile toolbar.
Select the corner center to define the one of the circle.
Drag the cursor to define the circle dimensions.
Click in the geometry when you are satisfied with the dimensions.

What is under constrained?

If you do something under constraint, you do it only because you have been forced to: They confessed, but only under severe constraint.

What is the color of over-constrained elements in CATIA Sketcher?

Using Colors

Geometry before and after being moved:
Purple: Over-Constrained Element
The dimensioning scheme is over-constrained: too many dimensions were applied to the geometry.	Remove one or more dimensional constraints.
Red: Inconsistent Element