JOHNFORD - ROUNDTOP MACHINERY COMPANY VTC-780S VERTICAL MACHINING CENTER

Technical Description

This CNC vertical machining center features a main spindle with a maximum turning diameter of 30.700 inches and a maximum turning length of 28.300 inches, accommodating large cylindrical workpieces. The spindle chuck diameter is 24.800 inches, providing robust workholding capacity, while the maximum swing of 30.000 inches ensures clearance for oversized parts. The machine operates at up to 1,250 RPM with a powerful 80 HP spindle motor, delivering high torque for demanding turning operations. It supports up to 12 tools in its turret, though only one tool can cut simultaneously, and is configured as a 2-axis machine with X-axis travel of 27.550 inches and Z-axis travel of 16.500 inches. The Y-axis travel is not specified, indicating a standard turning configuration without off-center milling capability. The maximum feed rate and rapid traverse are both 394 inches per minute, enabling efficient material removal and quick tool positioning. This vertical machining center is designed for high-precision turning of symmetrical parts, offering excellent repeatability and accuracy for applications in industries requiring large, complex components.