Chesterfield-based Dormer Pramet (www.dormerpramet.com) has introduced a high-precision quick-change tooling system for a variety of internal and external turning applications.

Designed for use on multi-tasking machines, the polygon shank coupling (PSC) is a spindle interface that enables higher productivity through reduced set-up times and faster machining.

The PSC achieves its performance via a tapered polygon cone shank and flange surface that offer a high degree of rigidity; and with an accuracy of ±2μm in the X, Y, Z directions, it provides a high level of repeatability.

Furthermore, a reduced overhang length minimises vibration and run-out inaccuracy, thereby ensuring the type of high-quality surface finish required for aerospace and general machining applications.

The PSC features internal coolant channels and a steel tool-holder for a high level of toughness. More than 130 different items are available, including a variety of tool-holder styles, internal tools, interface types and shank sizes.