Short toolholder

Short toolholder

Short toolholder

New from Schunk Inc. is Tendo-ES, a short hydraulic expansion toolholder that allows the tool to be clamped directly in the mounting taper and supported via the spindle. The company said the result is high holding forces for transferable high torques and additional space in the machining area.

The Tendo-ES L1 measures 26.0 mm and has a run-out accuracy of less than 0.003 mm, and tools can be changed in seconds with an Allen key. The clamping diameter is 20 mm, or 0.75 in., and standard Tendo sleeves can be used to clamp smaller tool shank diameters with a balancing grade of G 2.5 at 25,000 rpm. The toolholders, available for the SK 40 and CAT 40 interfaces, are good for powerful rough machining, for HPC/ HSC, for drilling, reaming, tapping, thread milling and thread forming.

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