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The new UMC-750P from Haas Automation Inc. is the latest addition to the company’s lineup of 5-axis universal machining centers. The P designation stands for profiling and porting, and that’s exactly what this machine is designed to do. But the extreme positioning flexibility of the UMC-750P also makes it the perfect 5-axis solution for any shop needing to machine complex parts in a single setup, according to the company.
The UMC-750P is a 40-taper vertical machining center with 30" x 20" x 20" travels and a unique arrangement of the rotary axes. The machine has a powerful 8100-rpm inline direct-drive spindle (12,000-rpm optional) driven by a 30-horsepower vector drive system, and comes standard with a 40+1 tool side-mount toolchanger. High-speed machining control software is also standard, and the machine includes Dynamic Work Offsets, Tool Center Point Control, and Haas Automation’s Wireless Intuitive Probing System to simplify job set up.
The rotary axes of the UMC-750P are configured differently than on other Haas UMCs: The rotating platter has been replaced with a 33" x 14.75" fixed table on which is mounted an HRT210 rotary table with an A-frame support. The B-axis trunnion provides ±45° of tilt, and the HRT210 provides 360 degrees of A-axis rotation for excellent tool clearance and large part capacity. This configuration can quickly position parts to nearly any angle for five-sided (3+2) machining or provide full simultaneous 5-axis motion for contouring and complex machining.
A number of high-productivity options are available for the UMC-750P, as well, including a belt-type chip conveyor, a high-pressure through-spindle coolant system and expanded program memory.
Although head porting is one of the things this machine is built for, the possibilities don’t stop there. The UMC-750P’s configuration is also well-suited for such complex profiled shapes as turbine blades, and the included A-frame support allows you to run parts in a more traditional tombstone setup, like you would find on a HMC. Simply load up multiple sides of a tombstone to gain more parts per cycle.
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.
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- machining center
machining center
CNC machine tool capable of drilling, reaming, tapping, milling and boring. Normally comes with an automatic toolchanger. See automatic toolchanger.
- profiling
profiling
Machining vertical edges of workpieces having irregular contours; normally performed with an endmill in a vertical spindle on a milling machine or with a profiler, following a pattern. See mill, milling machine.
- 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.
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