![]() ![]() The right internal turning methods can make a substantial difference in performance, security and results. The SL quick-change and setting functions have been developed to improve setting and performance and to enable the availability of a large assortment of indexable inserts. ISO-standard Coromant Capto modular tooling couplings and serration locking (SL) interfaces play an important role in providing the most suitable solutions. It is therefore important that standard vibration damping tools are developed to work in as large of a frequency area as possible.įor holes with diameters of 0.787 inch (20 mm) or more, exchangeable cutting heads play a vital role for flexibility, security and efficient tool handling. Furthermore, all machine tools have their individual specifications and stability lobes-frequency areas where machines react during machining. Grooving and threading, however, generally have lower overhang possibilities. Steel damped bars for overhangs of 10× the diameter and carbide reinforced damped bars for 14× the diameter. In areas with long overhangs, damped boring bars are necessary. For overhangs of 6× the diameter, solid carbide bars can be used. Ordinary steel boring bars are sufficient for overhangs of as much as 4× the diameter. Building the damping mechanism as close to the cutting edge as possible is beneficial, as it provides the quickest response to any vibration tendencies. Therefore, tool selection and its correct application are crucial to the result, as internal turning tends to be especially sensitive to vibration tendencies. ![]() The length of bores are deep in many of the components involved, demanding boring bar overhangs from 4× to 14× the diameter. Internal turning applications usually involve a range of tool overhangs. ![]()
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