Metal injection molding (MIM) is a metalworking process by which finely-powdered metal is mixed with a measured amount of binder material to comprise a material capable of being injected by plastic injection processing equipment. It is a process used to replicate machined parts without the cost of machining.


MIM works similar to the other injection molding processes - powdered metal is combined with a binding material and then injected into a mold where it's left to form and curate. The end result is a metal part. The process is ideal for the short and long-run production of metal parts, especially those that are smaller in size and more detailed in terms of properties.


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-------------------------------------------- Contents of Video --------------------------------------------

0:31 - Metal Injection Molding - Replicate machining without the cost for high volume

1:15 - Time savings - several thousand parts at a time

1:40 - Repeatability is more important that tolerances

2:12 - How MIM works - green parts to sintered parts - the metal material you want

3:27 - Expensive material? still less than a machined part

3:39 - Casting customer had repeatability issues - switched to MIM

4:11 - Economically unfeasible to machine a particular part in high volumes - not for MIM


https://www.ashmolding.com/

So what makes your part suitable for creation via MIM? To determine this, here's a look at some of the advantages of the ASH™ process:

Design Complexity: If you're satisfied with the design freedom you get from plastic injection molding but want to craft metal parts, then MIM could be right for you. That's because the two processes are quite similar in terms of design complexity - the main differences being that one produces plastic parts and the other metal ones. With MIM, cross holes, angle holes, splines, undercuts, side holes and grooves are all possible. Additionally, with MIM you can create whole parts that would often have to be created separately and assembled in post production.

Small Size: Remember, MIM uses very fine powders to create fully dense metal parts. Hence, the process is best for small parts, typically those that weigh between 0.1 and 250 grams.

Production Volume: MIM can be a very cost effective process, but only if the right number of parts are needed (not to mention if parts are the right size, as noted in the above point). Typically, the cost benefits are most noticeable and most worth it when part runs are between 10,000 and 20,000. Anything fewer than 10,000 and the potential cost savings from using MIM might not be evident at all.

Properties: As we've already noted, MIM is able to create fully dense or near fully dense metal parts when the process is complete, if the process is carried out correctly. It's particularly beneficial for parts that are too small or too detailed to machine out of bar stock. For comparison's sake, it's estimated that the part density is 98 percent via MIM, compared to 100 percent via conventional machining processes.

Economical: Unlike machining, MIM doesn't cut away existing metal - it uses only the amount of materials that is necessary to create the product. Nothing is wasted.

ASH® Industries is a trusted manufacturer that is dedicated to seeing you and your product succeed. We offer a complete suite of in-house manufacturing and engineering services dedicated to molding, tooling, project engineering (DFM-Design for Manufacturing), & production management (including tooling, process, and mold validation).

Made in America: ASH® is proud to do all our injection molding manufacturing in America, no outsourcing. Every point of our process is done right here in the USA, at our product manufacturing facility in Louisiana. We work with clients all over the United States and can ship products nationally and globally.

Ash Industries goes the extra mile when it comes to making their products. Because of their commitment to your parts they are ITAR Registered, ISO 9001:2015 Certified, and ISO Class 7 Cleanroom Certified.


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For more information visit:
https://www.ashmolding.com/