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  1. jeffc09

    Ratchet and Pawl Material Selections

    I work for a company that has asked me to design a ratchet/pawl system to drive a chemical metering pump. For our first attempt, I found an OTS ratchet made from S45C Carbon steel (HRC 48-53), and to save money we planned on manufacturing our own pawl. For the first build we machined a piece...

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