1974 Mössner SM/420

The Mössner SM/420 is a versatile metal lathe designed for precision machining of metal and other materials.

1. Machine dimensions: The Mössner SM/420 has a compact design with dimensions of approximately 2.1m x 0.9m x 1.5m (length x width x height) and a weight of around 1,200 kg.

2. Swing over bed: The machine has a swing over bed of 420mm, which means that it can accommodate workpieces with a maximum diameter of 420mm.

3. Distance between centers: The machine has a distance between centers of 1,500mm, which means that it can accommodate long workpieces.

4. Spindle speed: The machine has a range of spindle speeds that can be adjusted between 22 and 1,800 RPM. The spindle is powered by a 5.5 kW motor.

5. Tool post: The machine has a quick-change tool post that can accommodate up to 4 tools. This allows for quick and easy tool changes during the machining process.

6. Tailstock: The machine has a tailstock that can be adjusted for different workpiece lengths. It also has a center that can be used to support the workpiece during machining.

7. Bed construction: The machine has a bed that is made of high-quality cast iron, which provides stability and vibration damping during machining.

8. Machining capabilities: The Mössner SM/420 can perform a variety of machining operations, including turning, facing, drilling, and threading. It can also perform internal and external thread cutting, taper turning, and knurling.

9. Accuracy: The machine can achieve high levels of accuracy, with a positioning accuracy of 0.01mm and a repeatable accuracy of 0.005mm. It can also maintain high levels of accuracy over extended periods of operation.

10. Safety features: The machine is equipped with various safety features, including an emergency stop button, a chuck guard, and a spindle brake.

Overall, the Mössner SM/420 is a high-performance metal lathe that offers exceptional precision, flexibility, and efficiency in the machining of metal and other materials. It is widely used in various industries, including aerospace, automotive, and manufacturing, for the production of high-quality components.

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