Joining technology for cranes and construction machinery

Large-diameter antifriction bearing

Connection solutions for large-diameter antifriction bearings using hydraulic high pressure and matching accessories.

SSV TTG MDS

Foundation bolts

Hydraulic bolt connection or as a cost-effective torque variant.

SSV MSN

Slewing ring

Connecting solutions for heavily stressed building components in all sizes with weight saving potential.

TTG SSV MSN
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SCHAAF offers specially adapted products and assembly accessories with up to 4,000 bar hydraulic high-pressure technology for cranes (onshore and offshore), e.g. for large-diameter roller bearings, tower segment connections and various connections for steel construction. The system solutions are designed according to all standard classification company requirements as well as highest operational safety and operating economy. The accessories such as high-pressure pumps, hydraulic hoses and the connection couplings as well as the assembly documentation solutions are precisely matched to the functions and are thus a 100 % system solution.
  • For all products such as SSV and hydraulic nuts, SCHAAF offers the Mounting Documentation System (MDS), which documents the pre-tensioning forces, hydraulic clamping pressures, clamping paths and all other quality parameters.

  • All bolted connections can be equipped with the SCHAAF patented thread production process TTG and thus increase the service life by up to 13 times. TTG has been proven to save up to 40% of material.

  • All SCHAAF tools offer maximum service life with internal safety functions that protect the operator and the system. Operational safety and operational economy are in harmony.

  • All tools, high-pressure generators and accessories can be equipped with the Tool Service Indicator (TSI) or Tool Management System (TMS). This enables timely maintenance of the components and guarantees additional personal and system protection at the lowest maintenance costs.

  • All bolted connections can be equipped with OBLM (Online Bolt load monitoring). Thus, the operating load of each bolt can be monitored in real time and, if necessary, OBLM sends warnings to various terminals.
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