Epson Atmix, Seiko metal production. - Seiko & Citizen Watch Forum Japanese Watch Reviews, Discussion & Trading
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Old 01-14-2020, 09:31 AM   #1 (permalink)
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Default Epson Atmix, Seiko metal production.

Epson Atmix (Seiko Epson) makes metal powders, Titanium, Copper, Stainless etc and uses them to produce a multitude of parts, including watch cases, golf clubs and medical implants.



Ever wondered how they make so many different cases, in stainless steel and high strength Titanium (which is not easy to work) with minimal machining and waste??
Have a look here. http://www.atmix.co.jp/en/e_mim_process.html
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Old 01-14-2020, 09:43 AM   #2 (permalink)
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Originally Posted by 7s26b View Post
Epson Atmix (Seiko Epson) makes metal powders, Titanium, Copper, Stainless etc and uses them to produce a multitude of parts, including watch cases, golf clubs and medical implants.



Ever wondered how they make so many different cases, in stainless steel and high strength Titanium (which is not easy to work) with minimal machining and waste??
Have a look here. http://www.atmix.co.jp/en/e_mim_process.html
That explains a lot. The titanium Kinetic Landmasters used this process and it is why the bezels were able to be produced with such fine detail.

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Old 01-14-2020, 04:41 PM   #3 (permalink)
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Similar production process for the Timex Giorgio Galli S1 cases.
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Old Yesterday, 12:23 AM   #4 (permalink)
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Injection molded metal. I had no idea
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Old Yesterday, 12:31 AM   #5 (permalink)
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Here's a longer explanation of the process: https://youtu.be/MmLYj3GZsx8

It's crazy that it shrinks 15-20% when it's sintered. Seems to me like the shape would lose some of its definition from that, but what do I know?
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Old Yesterday, 03:13 AM   #6 (permalink)
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Originally Posted by ACace1 View Post
That explains a lot. The titanium Kinetic Landmasters used this process and it is why the bezels were able to be produced with such fine detail.
The Ti Landmasters were the first watches that used this process for both the case and the bezel. There was a display of the MIM process and the materials involved at the Epson Monozukuri Museum.



This is used for the production of many different items for the company including robotic components and also watch parts.



The material used in the MIM process can be found inside the Seiko Museum hourglass. This was chosen as the grains are very round and uniform so work well for a hourglass.


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