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Ted Meyers

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PostSubject: Tooling Question   Mon May 25, 2009 10:52 am

I watched the videos - in terms of tooling costs, what is the most expensive tooling and what is the least expensive?

What is the difference between a tool and a mold?

Ted
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StephenBozzone

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Location : Research Triangle NC

PostSubject: Tooling   Mon May 25, 2009 11:34 am

"What is the most expensive tooling and what is the least expensive?"

It depends, of course. A general rule is that injection molds are the most expensive.

The factors to consider are:
  • Part tolerances-how precise do the parts need to be. Injection molding is good for this.

  • Volume of parts to manufacture-if you are running high volume, an expensive tool that makes multiple parts at one time will give you a lower piece part cost. You need to calculate your break even point to see if it makes economic sense.

  • Part geometry-some processes are not suited to make what you need. A hollow part is a good candidate for roto-molding. A detergent bottle is suited for blow molding. A "clamshell" package used to package a retail product is a good candidate for vacuum forming. A housing for an electric drill most often is injection molded.


"What is the difference between a tool and a mold?"


Molds are a type of tool. Not all tools are molds. There are all kinds of tooling required to manufacture a product depending on the material used and the process used t make it.
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