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    Discussion in 'Manufacturers of mechanical parts' started by georgefeb, Sep 26, 2018.

    1. georgefeb

      georgefeb New Member

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      I would like to manufacture/reproduce the components shown below in the picture (they are for a very old generator). I don’t have drawings or any info except the parts on hand. The Hardness Tester TH160 showed me that the material is Mild Steel.
      Can anyone help me out by providing the name/contacts of a company in the US (I live in the US ) that could reproduce them ? What is the process in doing so & a ROM estimate to make 6 sets ?
      (I am open to companies outside the US)

      Many thanks
      George
       

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    3. rpimoulding.com

      rpimoulding.com New Member

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      Hope more people here see this post. I'm sorry because we only do with plastic, silicone or rubber, not metal. For metal parts, I'm only familiar with alu. die casting and metal stamping. And I know friends who do it. BTW, how many pcs you need? Different quantity different possible method to produce it.
       
    4. GoodCat

      GoodCat Active Member

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      I can do it, but I need drawings or this parts each for measuring. These parts are polished and have traces of friction. It is completely pointless to polish mild steel, it quickly wears out due to friction. Did you measure hardness with ultrasound? If yes, your measurements are not correct, such parts are made of low carbon steel but undergo surface carburizing or nitriding. As a result, after

      temperature processing the inside of these parts soft 160BHN and the outer surface to a depth of 0.3 to 1 mm can have a hardness of 700-800BHN, while if you configure the instrument to measure the hardness of a solid sample, you get the wrong measurements. The device will show low hardness.

      Try to take one part by the tips of your fingers and lightly strike the polished surface with a metal rod. If the part is soft, the sound will be dull, if the surface of the part is a solid sound will be of medium ringing, if the part is solid as glass, the sound will be ringing as a bell sound.
       

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