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The ISG2200-WK and ISG3200-WK shrink-fit units by Bilz combine thermal induction shrinking technology with a water-based cooling process to facilitate quick tool changes, says LMT-Fette. Using a processor-controlled, high-frequency generator, coil geometry, and tolerance parameters, the units allow carbide tools and HSS tool shanks to be clamped.
Designed for use with Bilz ThermoGrip toolholders, the series features a custom method of direct water-cooling that, according to the company, can reduce cooling time compared to conventional methods. The ISG2200-WK offers clamping ranges from 1/8" to 3/4" (3 mm to 20mm) for carbide, and ranges for HSS are 1/4" to 3/4" (6 mm to 20mm). Clamping ranges for the ISG3200-WK are from 1/8" to 1 1/4" (3 mm to 32mm) for carbide, and 1/4" to 1 1/4" (6 mm to 32 mm). The units accept a maximum tool length of 10" (265 mm) and 17.5" (450 mm) respectively.
LMT Fette offers various clamping chucks, including C68T, BT and HSK in metric and inch designs, for use with these shrink-fit units.
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Heavy machining puts stress on the tool holder. This system helps eliminate tool pullout.