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2. PACKS INSTALLATION AND USE
2.1 Shrinking principle
The Shrinkfit holder's inside diameter is designed to be slightly smaller than the shank diameter of the cutting tool. When
placed into the induction heating system, the inside bore is heated and expands. The tool shank can then be slipped easily
into the holder. As the holder cools down, the resulting thermal contraction exerts a tremendous, uniform pressure around
the entire surface of the tool shank.
Induction
Induction heating allows clamping tools in a few seconds. The 10 KW coil
offers high performance. The energy is sprayed very rapidely and remains
concentrated on the clamping area. Therefore there is less energy remaining
in the holder, cooling time is decreased. That allows to unshrinking HSS tools
with same thermal expansion coefficients as the steel used for the holders.
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