The Nuova PTM CSF live centre with interchangeable point is a professional lathe accessory designed to support the workpiece during turning, finishing and between-centre machining operations where high rigidity, rotational stability and geometric accuracy are required. Its main function is to keep the workpiece correctly aligned during rotation, counteracting the forces generated by the cutting tool and helping to reduce vibration, deflection, form errors and dimensional defects.

This version with interchangeable point offers an important practical advantage compared with a fixed-point live centre, as it allows the point to be replaced according to wear, workpiece type or specific machining requirements. The possibility of changing the point helps maintain correct contact with the workpiece centre over time, improving operating continuity and reducing machine downtime caused by wear in the support area. This is especially useful in production departments machining different materials, variable geometries and batches with different technical requirements.

The CSF series differs from conventional live centres thanks to its large-section body, designed to accommodate large-size bearings and increase the overall strength of the rotating assembly. A larger body section provides a more stable and resistant structure, suitable for machining operations involving heavy loads and high axial thrust. This configuration enables the live centre to operate under demanding conditions while maintaining accurate and consistent workpiece support.

One of the most important benefits of the CSF construction is the ability to move the tool carriage closer to the workpiece. This helps avoid, or at least reduce, the use of an overhung tool, improving the rigidity of the entire machine-tool-workpiece system. A less protruding tool works with lower deflection and reduced vibration tendency, with direct benefits for surface finish, dimensional accuracy and process stability.

In precision machining, support system rigidity is essential to limit issues such as unwanted taper, ovality, surface chatter, cutting instability and geometric variations on the finished part. The CSF live centre helps keep the workpiece more stable during rotation and allows the operator to work more safely during roughing, semi-finishing and finishing cycles.

The construction with a central shaft as long as the body is another distinctive technical feature. This solution increases the internal structural continuity of the live centre and allows loads to be distributed more effectively during operation. The result is a greater ability to withstand high working loads and high axial thrust, while maintaining smooth rotation and effective support even in demanding applications.

From an application point of view, the Nuova PTM CSF with interchangeable point is suitable for machining shafts, pins, bushings, cylindrical parts, turned components and mechanical workpieces requiring accurate support between centres. It is used in machine shops, turning departments, production facilities, industrial maintenance, machine construction, the automotive sector and precision engineering, where workpiece stability and final machining quality are essential parameters.

For correct use, it is recommended to check the compatibility of the Morse taper with the machine, carefully clean the taper and mounting seat, inspect the condition of the interchangeable point and ensure that the workpiece centre is clean, intact and correctly machined. Insufficient tailstock pressure may cause instability and vibration, while excessive pressure can unnecessarily increase axial load and point wear. The live centre should therefore be selected according to the machined material, workpiece length, diameter, machining type, feed rate, depth of cut and required accuracy level.

The Nuova PTM CSF Tailstock with interchangeable point is a technical solution for professionals looking for a strong, accurate and flexible support for high-quality turning operations. The combination of large-section body, large bearings, extended central shaft and replaceable point provides greater rigidity, improved accuracy and higher operating efficiency in lathe machining.