• <div id="oyooa"><rt id="oyooa"></rt></div>
  • <wbr id="oyooa"><kbd id="oyooa"></kbd></wbr>
  • <li id="oyooa"></li>
    Your present position:Home > News
    Project Management Body of Knowledge: cold heading machine, steel drawing machine inspection requirements
    hits2963 [Print] [Back] [Add]
    1, the transmission gear to be good, the location should not be shifted, Songkuang.

    2, mold, a center punch should not have cracks.

    3, the gap concentricity with the center of the upper and lower mold, the punch and the holder shall comply with the requirements of the specification.