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When the welding platform machining and rough machining should be separated

  When the welding platform machining and rough machining should be separated, this is because the rough machining, cutting a large amount of workpiece by the cutting force, clamping force, heat, and surface hardening are remarkable, internal welding platform workpiece has higher internal stress, if crude, crude the processing is continuous, fine machining of precision parts for re distribution of stress and quickly lose.

  For parts requiring high machining accuracy. Riveting platform after rough machining and finish machining before low temperature annealing process or arrange aging treatment to eliminate internal stress should also be.