Creo Parametric Mill-Turn by Jouni Ahola
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Creo Parametric Mill-Turn by Jouni Ahola

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Creo Parametric Mill-Turn Contents

  • Creo Parametric Interface
  • Creo Parametric Mill/Turn
  • Post Processing
  • Appendix

Introduction to Creo Parametric Mill-Turn by Jouni Ahola

The Mill-Turn manufacturing process can be divided into different main-level steps;

  1. Manufacturing Template
  2. Reference Model
  3. The workpiece (pre-machined)
  4. Ref Model and Workpiece
  5. Fixture
  6. NC Sequences and tools
  7. Simulation
  8. CL Data and Postprocessing CNC Code

A template manufacturing model can be selected and copied during the creation process. Using template manufacturing models enables you to standardize on the initial manufacturing model configuration. By default, the template manufacturing model includes default datum planes and a default coordinate system.

The reference model represents the final machined component. Surfaces and edges are selected from the reference model and are used as references when creating NC steps.

The reference model can be also imported from the other CADsoftware. You must assemble a reference model before creating NC steps.

Workpiece model – This represents the unmachined stock material. It is an optional element and is not required to create NC steps.

However, using a workpiece enables you to simulate the machining of the stock material. Workpieces can be standard stock billets or you can configure them to represent models such as castings.

You can assemble or create a workpiece in a manufacturing model. A number of options are available. An automatic workpiece enables you to create a rectangular or round workpiece depending on your requirements.

Fixtures are parts or assemblies that can be used to hold the component being machined. For example, you can create chuck assemblies and use them as fixtures.

An NC sequence is a workpiece feature that represents a single tool path. The tool path consists of: Cut motions, that is, tool motions while actually cutting the workpiece material Approach, exit, connect moves Additional CL commands and post-processor words (for example, feed rates, PRINT, OPSTOP).

Toolpaths and machine simulations are one of the most important stages in the manufacturing process. You can display the toolpath for an operation, a single step, or multiple steps. You can also display tool path and machine simulation together if the machine assembly is defined. 

Post-processing is the final stage in the manufacturing process. When tool paths and simulation have been completed, you can create an ASCII format cutter location (CL) data files for operations or selected NC steps. This CL data file will then have to be post-processed to generate an MCD file, containing the proper CNC codes. 

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