CAMWorks Wire EDM Tutorial & POST PROCESSOR WRITER’S REFERENCE

Wire EDM 1
Steps to Generate EDM Toolpaths and NC Code
The following steps are used to generate Wire EDM toolpaths and NC code:
1. Model the part or open the part file in SolidWorks/CAMWorks Solids.
2. Change to the CAMWorks Feature tree.
3. Define the Machine type and machine parameters.
4. Define the Stock definition.
5. Define machinable features and adjust feature parameters.
6. Generate the Operation Plan and adjust operation parameters.
7. Generate Toolpaths.
8. Simulate Material Removal.
9. Post Process the toolpaths.

Using the CAMWorks Command Manager or Workflow toolbar to execute commands
Editing the Machine Definition
Editing the Stock Definition
Changing Default Settings using Options dialog
Defining Machinable Features Automatically
Generating Operation Plan
Generating Toolpaths
Simulate Toolpaths
Step Through Toolpath
Post Process Toolpaths

2-Axis Contour 1
CAMWorks is a feature-based machining system. Feature-based machining provides numerous benefits because the definition of the feature enables a higher level of automation when creating machining operations and associated toolpaths. Adding to this benefit,CAMWorks provides both an automatic method of extracting features called Automatic Feature Recognition (AFR), and an interactive method using the New 2.5 Axis EDM Feature function. A CAMWorks file can contain both types of features.
This tutorial demonstrates some of the features that are identified automatically by the Extract Machinable Features command and explains how to control the types of features found by AFR.

2-Axis Contour 2
What You’ll Learn
Automatic Feature Recognition may not be able to find all features on a part or may not recognize all the features that you want to machine. When this occurs, you can define these features interactively. In this tutorial, AFR finds only the irregular die in the center of the part. You can interactively insert New 2.5 Axis EDM features to cut the two dies on the sides and the outside of the part.

2-Axis Contour 3
What You’ll Learn
In this tutorial, the only features you want to machine are the vertical and tapered open profiles at the end of the part. AFR does not find these features, so you need to insert a Part Setup, then define the 2 features interactively using the New 2.5 Axis EDM command.

2 Axis Contour 4
What You’ll Learn Post processing translates generalized toolpath and operation information into NC code for a specific machine tool controller. CAMWorks creates NC code for each toolpath in the order the operation appears in the Operation tree and the Process order specified on the Posting tab in the EDM Settings dialog box. In this exercise, you generate operations and toolpaths for two die features, then post process using each of the Process order options for dies and compare the code that is generated. For more information on the Process order options, see the Posting Tab topic in the Wire EDM online Help.

4-Axis Contour 1
Automatic Feature Recognition (AFR) is a powerful tool, but it cannot always recognize every feature on every part, nor does it currently support features where the side walls of the feature are not all vertical or not all constant taper. To machine these areas, you need to define features interactively using the New 4 Axis EDM Feature command. The New 4 Axis EDM Feature command allows you to define 4 axis features. These include Pocket (Die),Boss (Punch) and Open Profile features.In this exercise, you insert a 4 Axis Die feature.

4-Axis Contour 2
When defining 4 Axis Features, sync curves are required when the number of entities in Curve 1 is not equal to the number of entities in Curve 2. Sync curves must be a single linear segment and can be selected from edges or 3D sketch objects. The sync curves are used to define sync points on the feature. As the wire cuts around the two curves defining the feature, the wire will arrive at the end points of each sync curve at the same time. Sync curves are similar to the guide curves used to create a loft feature in SolidWorks/CAMWorks Solids. If the number of entities in Curve 1 and Curve 2 is equal, then the sync curves are
ignored.In the part below, the number of entities in Curve 1 is not equal to the number of entities in Curve 2 of the 4 Axis feature. In this tutorial, you insert the feature and automatically extract sync curves.

4-Axis Contour 3
Faces and loops can be used to define a 4 Axis EDM feature if the faces/loops are on a plane that is parallel to the setup axis. In this exercise, since the top face on the part is not parallel,you select a sketch to define the top of the 4 Axis EDM feature.

4-Axis Contour 4
In exercise 4-Axis Contour 2, you used the automatic synchronization to insert a 4 Axis EDM feature that had an unequal number of entities in the top and bottom curves. In this exercise, you insert a 4 Axis EDM feature that has an unequal number of entities in the top and bottom curves. Because you use sketches for the curves, however, you pick each of the sync curves instead of using the automatic function.

CAMWORKS WIRE EDM POST PROCESSOR WRITERS REFERENCE

Chapter 1 Commands and Variables
This chapter contains commands and variables for customizing CAMWorks Wire EDM post
processing

Chapter 2 Post Scripting API Functions
This chapter contains the Wire EDM Post API functions for Visual Basic scripting (VBScript)

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