Add Arc

Toolbar-SE-AddArc

Toolbar :

Geometry toolbar

Menu :

Add menu > Geometry sub-menu> > Add Arc

What to do :

2.Click Geometry toolbar > Add Arc.
3.Drag in the graphic-area to specify the start-Point or the Arc, and then the end-Point of the Arc
4.Drag again between the start-Point and end-Point to approximate its radius

Drag: mouse-button-down, move your mouse-pointer, mouse-button-up


The Arc is now in the graphic-area.


Free-Points and Merged-Points

Add the start-Point and end-Point of the ARC as:

Free-Points

Add constraints and dimensions to the start-Point and end-Point later.

You can delete constraints and dimensions, if necessary.

Do this for a layout sketch.

See Also: How to Delete a Constraint

Merged-Points

Do this to construct a 'sketch-path'

See: Hover+Drag , merge-points.

Video :

How to Add an Arc: video1 , the 'Hover Techniques' video1

Top tip :

Add a Dimension to define the Radius of the Arc before you add Constraints between its centre-Point and a different sketch-element.

Example

How:

Selection-Window

geometry-arc2

 

 

You must Drag Two times.

Refer to the image to the left:

1.FIRST DRAG: from 1 to 2 to add the start-Point and end-Point of the Arc, then release you mouse.
2.SECOND DRAG: Position your pointer between the start-Point and end-Point of the Arc, at 3 and Drag towards the apex of the Arc4 as you intend it to be drawn, then release your mouse.

MechDesigner adds the Arc with a centre-Point at the center of the Arc and a start-Point and end-Point at each end of the Arc.

Circlen +

Pointn
At each end of the Line +

CoincidentPtoCn.
A constraint fixed with the Arc. This constraint uses all of the elements.

Tutorial and Reference Help Files for MechDesigner and MotionDesigner 13.2 + © Machine, Mechanism, Motion and Cam Design Software by PSMotion Ltd