A single-column design uses one primary vertical structural member to support the cross-rail and tool system. A double-column design uses a wider frame with two columns and a beam arrangement. The double-column structure can provide a larger working envelope and a stable load path for very large components. The difference should be evaluated through actual cutting conditions rather than visual size.

1. Start With the Maximum Workpiece Diameter The first technical specification to evaluate is the maximum machining diameter. A buyer should determine: 1. The maximum outside diameter of the workpiece.

Single column vertical lathe and double column vertical lathe belong to the same kind of lathe, so do you know which cutting diameter is larger between the two? Know what are the methods for determining the cutting capacity of double column vertical lathe?