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Metalocking of cast iron has been a recognized
method since 1938 and has saved multiple machine frames, pumps, presses and
engines from scrapping. The key characteristic of the metalock process is that
it involves no heat strain in its application.
Using a drill jig, rows of blind holes are
drilled perpendicular to the direction of the crack, each row to act as a key.
partitions are removed with pneumatic chisel.
Metalock keys are
driven into the openings and caulked.
Holes for Metalock screws are drilled along the crack
between the keys.
screws are fitted so closely together that they overlap.
Finally, the entire installation is caulked to
ensure stability and pressure.
Metal-stitching process of damaged engine frame. This
type of repair is a life lasting repair.