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  1. mikejeffers

    I'm not sure where to start. programming a valve contoller

    Hi, I'm am completely new to PLC's. I am building a shuttle table/clamp for a drill press. We are drilling several thousand pieces of 3/4" cpvc pipe. The holes go pependicular to the pipe at regular intervals. Some pipe will have the holes spaced at 1", while others will have them spaced at 1.5"...
  2. mikejeffers

    ASTM A193 GR B7 bolts keep breaking

    Hi, I'm new here. What a great resource. I have a machine shop and we have been making some bull gear splice bolts for one of our customers. The material is 4142 G&P Q&T BHN 255/321 ASTM A193 GR B7. These bolts keep breaking and I am looking for an alternate material. These studs are 1 3/16Ø by...

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