The newly developed BB732 bridge tools from Seco are a reliable, cost-effective, and modular solution for deep drilling with Steadyline holders. Users can rough and finish with just one tool and benefit from vibration-free operation, optimal coolant flow, and high surface quality.
Using different tools for roughing and finishing increases costs and effort. Machining hard-to-reach areas such as deep cavities often leads to vibrations. Possible consequences include lower surface quality, missed shape and positional tolerances, and premature tool wear. Complicated setup slows down operations and increases the risk of errors. With the new BB732 bridge tools, Seco offers users a robust, process-safe solution for large drilling depths.
Stable, precise, and efficient
The lightweight bridge tools have been specifically designed for use with the Steadyline SM40 holders for indexable milling cutters, whose conically reinforced shape provides high static and dynamic stiffness. The vibration-damping system enables stable, precise, and efficient deep hole drilling even with long overhangs. The targeted coolant supply directly to the cutting edge improves chip flow, allows for tight tolerances, and extends the tool life of the insert. This way, users can significantly increase productivity and quality.
Simple, safe operation
Intuitive markings and ergonomic design elements facilitate handling. The integrated centrifugal safety device prevents the drill blocks from being ejected during excessive rotation or programming errors. The modular construction provides stability while saving weight. Kavita Dandge, Global Product Manager Machine Solutions at Seco, summarizes: 'The BB732 bridge tools can be seamlessly used with the Steadyline holders and are designed for long overhangs in large diameter ranges. A key feature is the optimized coolant flow directly to the cutting edge to support chip breaking and cooling of the inserts.'
Flexible and economical
The BB732 bridge tools are designed for diameters from 114 mm to 301 mm for roughing and from 114 mm to 315 mm for finishing. Both operations are possible with the same tool, allowing users to reduce setup times and inventory without compromising machining performance.
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