摘要 |
<p>A motor driven parting wheel can complete on site both radial cuts on large-diameter tubes with other ribs and can mill away part of the ribs for the application of sealing rings. For the first operation, a carrier with the parting device straddles a bandage clipped to the o.d. of the tube and is revolved around it. For the second operation, the carrier is used by itself and rests on three feet on the tube in a position shifted through 90 degrees.</p> |