Author
Bob Kowalczyk
President & Founder

As a die casting engineer with more than 35 years of experience in prototype and low volume casting production, I have a deep appreciation and understanding of the challenges you, as a designer, face.

A hog-out may, in certain situations, be a quicker way to create a prototype that will ultimately be die cast. But, like any other metal prototyping process hog-outs offer distinct advantages in certain cases and disadvantages in others. The following are simply guidelines to help the designer make a decision as to which process to choose for his specific situation.

Advantages:

  • Cost effective in low quantities
  • High precision due to the machining process
  • Parts can be produced in a very short time once programming is complete
  • Strength – parts are very strong structurally

Disadvantages:

  • Cost increaes with volume of parts to be produced
  • Some configurations are not cost effectively machined
  • May not accurately reflect the characteristics of die cast part
  • Distortion of test results. Caution should be used if using the hog-out for mechanical testing. Strengths may vary from the eventual die cast component

We do not favor any one prototyping process. The process you choose really depends on a variety of factors and conditions. For more guidance on this subject, please review our Prototype Casting Guidelines and if you have any further questions do not hesitate to send us an email. We are always happy to answer questions.

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Aluma Cast offers a unique blend of artistry in metals and engineering expertise. The result is a deep appreciation and understanding of the designer’s work and the challenges he faces. Knowing that design changes are integral to the design/prototyping process, we make every effort to work with you to allow for changes ensure a successful end product.

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