Cast Iron Repair
Cast Iron Repair

Cast Iron Repair

The repair of broken or cracked castings or cast steel always holds a great challenge, since cast iron can only be welded to a certain extent. Therefore, ARNOLD offers a cold process, the cast iron repair. This avoids thermal stress problems, as for example through welding and preserves the original alignment.

The proven 80-year-old cast iron repair, also known as interlocking technology, can be performed directly on a component on-site. The component does not have to be dismounted for repair.

Repair method:

  • 01.

    Analysis of the crack

  • 02.

    Component is realigned and held in position

  • 03.

    Groups of holes are drilled across the fracture line using special drilling templates

  • 04.

    Connection of the individual holes by means of compressed air chisel

  • 05.

    Special ledgers are inserted into the openings and positively caulked

  • 06.

    Drilling of further threaded holes and caulking along the fracture line with grub screws

  • 07.

    Pressure-tight connection due to interlocking of individual pins

  • 08.

    Removal of the remaining raw metal with the compressed air chisel

  • 09.

    Fine grinding of the entire repair area

  • 10.

    New painting

Advantages:

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