Romi Turning Machines Provide Enhanced Precision

The Romi New Generation C 470 CNC lathe.
Source: Romi Machine Tools Ltd. (all)

Romi features its New Generation C 470 CNC lathe and New Generation GL 300S horizontal turning center. The New Generation C 470 is a teach lathe with an 18.5" (470 mm) swing over bed, a 4,000-rpm 12.5-hp main motor and 39.37" (1,000 mm) between centers. It is equipped with the Romi Manual Machining Package (RMMP), which can enable simple operations to be completed without programming. The company says it is as simple to use as a manual lathe but with a CNC lathe’s added capability and productivity. 

Using the RMMP, an operator can machine parts manually using the handwheels or automatically using a joystick and start cycle. The operator can also fill in the fields on the CNC screen, indicating spindle speed, feeds, cutting depth, coordinates and angles. It can also start the machining with the cycle start button.

All key components of Romi C Series lathes, including the monoblock bed, are designed and built in-house for complete control and assurance of manufacturing quality. The bed features a robust structure supported by cast-iron columns and is internally ribbed to absorb vibrations during machining, designed to enable precision and stability across operations. Flat and prismatic guides are hardened and ground in order to enable wear resistance and are self-adjusting to provide permanent contact of the cross slide over the bed. These features can result in high rigidity, stability and precision in machining operations at full power.

It is equipped with a Siemens Sinumerik 828D CNC. This CNC features a 15" color LCD touchscreen and can provide conversational programming, operation and machining simulation resources.

The Romi New Generation GL 300 S horizontal turning center.

Romi’s New Generation GL 300S horizontal turning center is equipped with a sub-spindle and a Y-axis for off-center milling. With a maximum cutting diameter of 11.8" (300 mm) and Z-travel of 23.6" (600 mm), it is designed for turning, milling and drilling operations in high-production environments. The GL 300S features high-power torque and feed force and is built with a robust monoblock base for rigidity and precision. The machine weighs in at 11,464 lbs. (5200 kg).

The New Generation GL 300S comes equipped with thermal compensation with sensors that aim to maintain stable, dimensional results during long working periods. The use of sensors can provide accurate, real-time compensation as opposed to compensation based only on pre-defined algorithms. The result can be more accurate as the machine temperature increases over extended periods.

It is equipped with durable roller ways on all axes, which can enable high rigidity and longevity. The 12-station BMT55 turret with driven tools and a Y-axis can further enhance its versatility and durability. The built-in spindle and sub-spindle motors, with chiller incorporated and direct-drive servo motors, are designed to produce high response speed and accuracy and require less maintenance. The company says that chilling the motor increases life expectancy and produces less thermal expansion, making it a cost-effective choice in the long run.

The CNC control is a FANUC 32iB with a 19" LCD touchscreen. It is designed to produce faster, more accurate performance for turning applications with separate areas on the main screen for planning, machining, improvements and utilities.