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• • Rubber
  • Die Trimming
  • Deflashing
  • Punching
• • Cutting
  • Secondary Operation Machine
  • Altman

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What is a S.O.M.?

A SOM stands for a secondary operation machine. There are three forms of Som's. The first is an H-SOM or hand operated operation, such as a pair of scissors or a knife for trimming. The second form is the gang secondary operation or G-SOM. This refers to gang type of finishing machines such as cutting boards, steel rule, CO2, tumbling, dry tumbling, and the Altman Gang Trimming Machines. The third...

http://www.altmanmfg.com/Whatsom.html

Altman Gang Dies

The Altman Gang Die is based on the principle of shearing rubber: that is as follows: When rubber is confined in an area it will flow in the direction of least resistance. As the area is limited further the flow will increase until the elastic limits of the material is reached. For a male and a female die to generate this type of compressive force in a piece of rubber, the punch must pass as close...

http://www.altmanmfg.com/Gangdie.html

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