Slim Hydraulic Chucks Enable Finishing in Confined Spaces

Seco’s EPB 5831 slim hydraulic chucks and ER-to-Combimaster holders are designed for precision and performance.

The EPB 5831 chucks feature slender profiles, enabling users to perform semi-finishing and finishing operations in confined spaces such as deep, narrow mold cavities. They are also available in long projection lengths of 150 and 200 mm. With the turn of one pressurized screw, the high-pressure hydraulic chucks are designed to uniformly and securely grip small-diameter cutting tools for precision, repeatability and good surface finishes with runout of less than 5 microns at 3×D. The chucks accommodate tool diameters of 6, 8, 10 and 12 mm. Reduction sleeves enable the chucks to hold various shank types and diameters. They are available in HSK-A63, HSK-A100, BT 40 and Seco-Capto C5 machine-side connections.

The ER-to-Combimaster holders are designed to bring ease-of-use and stability to multitasking machines. The system combines ER taper, ER clamping nuts and a ball-bearing interface for good tool positioning and secure tightening during setup. The adaptable tooling system performs face, side and disc milling operations via insert-based milling cutters, increasing material removal rates. Its compact design with short overhangs saves space, improving safety and reliability. The holders are available in three ER sizes (25, 32 and 40) and five thread-size connections (from M8 to M20). The system also supports a range of interchangeable milling cutter heads.