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Powerhold Inc. announces the release of its new PHT series welded tombstone columns for horizontal machining centers. The PHT Series are steel plate weldments, available in 400, 500 and 630 mm base sizes. Twelve different standard configurations are offered, including triangle, 3-side-Y, cross, hexagon and octagon.
Unlike the traditional cast aluminum or steel columns offered by many suppliers, the PHT series can easily be made to suit your particular configuration needs. Overall height, faceplate width, special clearance, and other specific needs can easily be designed into the weldments to meet a specific part requirement.
Powerhold has produced hundreds of welded columns over the past 5 years. Approval prints are provided in 1 week for all orders, to ensure customers are getting exactly what they expected in their tombstone layout. Columns are manufactured with blank faces for customers to finish as needed on their mill.
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- clearance
clearance
Space provided behind a tool’s land or relief to prevent rubbing and subsequent premature deterioration of the tool. See land; relief.
- milling machine ( mill)
milling machine ( mill)
Runs endmills and arbor-mounted milling cutters. Features include a head with a spindle that drives the cutters; a column, knee and table that provide motion in the three Cartesian axes; and a base that supports the components and houses the cutting-fluid pump and reservoir. The work is mounted on the table and fed into the rotating cutter or endmill to accomplish the milling steps; vertical milling machines also feed endmills into the work by means of a spindle-mounted quill. Models range from small manual machines to big bed-type and duplex mills. All take one of three basic forms: vertical, horizontal or convertible horizontal/vertical. Vertical machines may be knee-type (the table is mounted on a knee that can be elevated) or bed-type (the table is securely supported and only moves horizontally). In general, horizontal machines are bigger and more powerful, while vertical machines are lighter but more versatile and easier to set up and operate.
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