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Induction Heating of Seized Bolts

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5kW TOCCOtron AC induction heating power source with light weight hand held transformer used to apply fast focused flameless electromagnetic heat to seized head studs, thus greatly reducing the amount of torque required to remove them. Heating the stud causes it to elongate because its diameter is constrained by the cold engine block. The elongation of the stud reduces its diameter breaking corrosive bonds. Additional heat is applied to the outside of the engine block in the threaded area to expand the threaded area further separating the corrosive bonds. This technology is also ideal for shrink fitting of bearings and gears, removing pressed in valve seats, brazing/soldering of fluid lines and electrical connectors as well as curing and removing of coatings and sealants.

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