JOHNFORD - ROUNDTOP MACHINERY COMPANY QT-25 HORIZONTAL MACHINING CENTER

Technical Description

The Johnford Roundtop Machinery Company QT-25 is a high-performance horizontal CNC machining center designed for precision turning and milling operations. It features a robust main spindle with a maximum turning diameter of 12.600 inches and a maximum turning length of 29.920 inches, accommodating workpieces up to 26.770 inches in swing. The main spindle chuck diameter is 8.000 inches, supporting bar stock up to 2.000 inches in diameter. The spindle delivers 20.00 HP and operates at speeds up to 4,500 RPM, ensuring efficient material removal and accuracy. The machine is equipped with a turret-style primary tool carrier, supporting up to 12 turning tools and 12 rotary tools, with rotary tools capable of 5.00 HP and 4,000 RPM for versatile machining tasks. The QT-25 allows for one simultaneous cutting tool, optimizing workflow for complex operations. Standard configuration includes 2 axes, with options to expand to 3 axes for enhanced flexibility. Axis travel is 7.800 inches on the X-axis and 20.800 inches on the Z-axis, with rapid traverse rates of 787 IPM on all axes, enabling fast positioning and reduced cycle times. The machine’s design emphasizes rigidity and precision, making it suitable for demanding production environments requiring high repeatability and reliability.