Creating Tool Axis Control Geometry (Vectors) for Multi-Axis Curve Toolpaths – Mastercam

When creating a Multi-axis Curve toolpath, the tool axis control needs to be set within the toolpath. This can be controlled in a few ways:
• Line
• Surface
• Plane
• From point
• To point
• Chain

This document will review two methods of creating lines (also called vectors) that can be used to control the axis of the tool.

Option 1

This option requires that the user select each location where the vector will be created.

WIREFRAME > Line Closest drop down > Line Normal

Wireframe line closest drop down line normal
Set whether or not Points will be created and if they will be, set the location (Contact point or End point). Set the line Length and the Direction.

Line Normal Window

Select the line, arc, spline surface, or solid face that the vectors need to be normal to.
In the explanation below, a solid face is used; therefore, Face Selection was activated.

Select a surface or face image

Move the vector selector to the location required for the vector and left click. Several vectors may be required depending on the part.

move the vector selection image

Option 2

This option will create vectors on set increments (spacing). This is a faster way of creating vectors if multiple are needed or the part is large. Option 1 can also be used to add additional vectors if needed.
Note: This needs to be done per surface.

WIREFRAME > Point Position drop down > Point Segment

Wireframe, point position drop down, point segment window

From the Point Segment panel, set the segment Distance between points or Number of points required and lock.

In this example, a locked distance is used.

point segment window

In the case of a solid, the edge can be selected. If surfaces are used, an edge curve will need to be created. Points will be created along the edge or curve selected spaced out by the segment distance entered.

OK.Ok Button
Select all points.

Tip: Quick Point Quickpoint icon will allow faster selection.

Transform Project Tab

Project to surface

Project to surface image

Select surface or solid face.
In the below example, a solid face is used; therefore, Face Selection was activated. Do not select the entire body.

Select surface or solid face image

SelectEnd Selection Button
Set Surface projection to Normal.

Surface projection set to normal image

Activate and select Points/Lines.

Points\lines image

Set to Lines and set Length.

Projet points window

Flip the direction if needed.

Project Points Image

Accept Accept button for both the Project Points and Project menus.



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