The Miyano BNJ 42S is a used lathe — sometimes referred to as a turning centre — built for precision turning operations. Lathes of this type rotate a workpiece against a cutting tool to produce cylindrical, conical, and profiled components, and are a cornerstone of metal-cutting production across automotive, aerospace, and general engineering industries. Miyano is a well-established Japanese machine tool manufacturer with a long reputation for building high-precision CNC turning machines, particularly compact multi-axis lathes suited to bar-fed production environments.
This machine was manufactured in 2004 and is currently located in Italy. It is configured as a 4-axis lathe equipped with two turrets, allowing simultaneous or complementary cutting operations that reduce cycle times compared with single-turret alternatives. Control is provided by a Fanuc 18iT CNC unit, a proven and widely supported system in production turning applications. The bar passage capacity is 42 mm, making this machine suitable for a broad range of bar-stock turning work. Spindle speed ranges from 67 to 5000 rpm, with spindle motor power rated at 3.7 to 5.5 kW.
Axis travel is 142 mm in the X-axis and 250 mm in the Z-axis. The tooling arrangement includes standard fixed tool holders alongside two driven — motorised — tool holders, enabling milling, drilling, and other rotary operations to be carried out without removing the workpiece from the machine.
The machine is supplied with an LNS Hydrobar MiniSprint bar loader, which automates the feeding of bar stock and supports unattended or lights-out production runs. The overall footprint is 2700 mm wide, 1450 mm deep, and 1720 mm tall.
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