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Step one is important, once I realized it wasn’t posted, I got it posted right away. Why is material prep important with thread rolling? Thread rolling is a cold forming process and the material goes through a state change. With Axial rolling tools this change...
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The third step with proper rolling is the Machine Setup. Mount tool and sweep faceplate OD with an indicator – Rolling requires TIR of .005”
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The second step with proper rolling is the Tool Setup. Mill a .250” to 375” flat on the shank within .500” of the head if not already there. The RORO tool is assembled and setup. The rolls are set with a gauge pin to the max Minor less a proprietary calculated amount...
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Step 1: Material Prep Step 2: Tool Setup Step 3: Machine Setup Step 4: Setup Process Step 5: Adjust Machine
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Proven rollability for thread rolling material. 45 hardness on the Rockwell C scale is the top of the scale for rolling. Case Hardening Nitriding Cast Iron with an elongation factor great than 8% Cast Steel Free Cutting Heat Treatable High Speed Malleable Iron...