Tag Archives: Toolpath

Vertical Routing with changes in Z

Although most vertical routing/milling does not require changes in Z when it is required WoodWOP can be ‘hard to convince’ to do it without doing lots of calculations.

So what is the problem?

The primary limitation comes in how contours are defined.  In the XY plane, we can define lines and arcs easily and WoodWOP interpolates these when machining.  WoodWOP and the machine cannot interpolate any ARCS that are not on this plane.  But is can interpolate or follow lines that alter in Z.

With ONGAA CAM, contours in any plane can be selected and machined as long as curves are defines as splines.  ONGAA CAM will convert a spline into a series of geometry elements which simulates interpolation.

3dverticalroute001

 

In this example, the sketch (a spline) sweeps through the material.

 

 

 


3dverticalroute003

 

In ONGAA CAM, select a vertex to indicate direction of travel (any point closer … Read the rest

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Route Processes – Selection Options


Vroute_icon

OVERVIEW

 

vroute_details2Unlike WoodWOP, where contours and routing process are added in 2 separate steps, ONGAA CAM combines the process definition and the contour definition in the same panel.  This ensures that the information entered in the details is always directly related to this process only. In this section we will cover the route processes selection options (toolpath definition).

Contours generally start with the selection of a Vertex (start point).  After the start point is selected, it can be followed with one or more points or edges.

When edges are selected, the edge must be connected to the previous point (or edge).  ONGAA CAM will check for this connectivity when saving as a safety feature to ensure that contour elements are selected in the correct order.

 

 

 

selectloop1SOLIDWORKS makes it easy to select closed contours by using the ‘Select Loop’ option.

After selecting a start point, Right-Click on … Read the rest

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Smooth contours with ONGAA CAM makes all the difference

SmoothContourMaking ‘spline’ contours is a time consuming process in WoodWOP but with ONGAA CAM, smooth contours are simple and fast.

In WoodWOP the process usually starts with a list of points that came from a drawing or by manual calculations.   These points are then entered, if done correctly, as ARC segments or LINE segments.  The result should be a smooth approximation of the curve.

Unfortunately many other programs that generate MPR contours only generate straight line segments.

In this image we show the difference between a straight segment ellipse (lower half stating with the blue segment) and an arc segment ellipse (upper half).

In each case, the segment lengths are the same.  The segments are easy to see in the lower half but the upper half required a square mark to identify the end of segment #2.

And If you can see it here, you will definitely see it in … Read the rest

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