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Hardinge Inc. announces the release of two new Bridgeport 50-taper vertical machining centers to its machine tool product line. These machining centers, the Bridgeport GX 1300-50 and the GX 1600-50, complement the company's previously released 40-taper models. The new machines are for heavy cutting of the toughest materials, according to the company. In addition to a 50-taper spindle, they are manufactured with a heavy-duty cast iron base for added stiffness, damping characteristics and increased thermal stability. The standard Fanuc spindle motor provides 47 hp (35Kw). A 24-tool capacity, bidirectional automatic toolchanger is standard. Options include 4th and 5th axis drive packages, rotary tables, tool probe, part probe and spindle oil chiller.
Related Glossary Terms
- automatic toolchanger
automatic toolchanger
Mechanism typically included in a machining center that, on the appropriate command, removes one cutting tool from the spindle nose and replaces it with another. The changer restores the used tool to the magazine and selects and withdraws the next desired tool from the storage magazine. The changer is controlled by a set of prerecorded/predetermined instructions associated with the part(s) to be produced.
- 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.
- stiffness
stiffness
1. Ability of a material or part to resist elastic deflection. 2. The rate of stress with respect to strain; the greater the stress required to produce a given strain, the stiffer the material is said to be. See dynamic stiffness; static stiffness.
- toolchanger
toolchanger
Carriage or drum attached to a machining center that holds tools until needed; when a tool is needed, the toolchanger inserts the tool into the machine spindle. See automatic toolchanger.
