JOHNFORD - ROUNDTOP MACHINERY COMPANY ST-40(60,OR70)C HORIZONTAL MACHINING CENTER

The JOHN FORD - ROUNDTOP MACHINERY COMPANY ST-40(60,OR70)C is a horizontal machining center designed for robust turning and milling operations. It features a single main spindle with a maximum turning diameter of 23.62 inches and a turning length of up to 72.83 inches, accommodating large workpieces. The main spindle supports a maximum swing of 31.1 inches and can handle bar stock up to 5.47 inches in diameter, driven at speeds up to 1,500 RPM with a power rating of 60 HP. The machine utilizes a turret tool carrier with up to 12 turning tools and 12 rotary tools, with rotary tools operating at 4,000 RPM and 5 HP for versatile machining. It operates on two axes (X and Z), with travels of 13.39 inches and 35.43 inches respectively, and rapid traverse rates up to 590 inches per minute on all axes, enabling fast and efficient tool positioning. The capability to perform simultaneous cutting with one tool enhances its precision and productivity in turning applications. This model is suited for machining larger, complex parts requiring extended length and diameter capacity, with a balance of power, speed, and tooling flexibility that supports diverse manufacturing demands. The heavy-duty spindle and tool carrier configurations optimize its utility for production environments focused on component turning and milling tasks where accuracy and speed are paramount.