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With the introduction of FZU22, Zimmermann has added a 5-axis portal milling machine for the machining of various workpiece shapes, sizes and materials. Aluminum, plastic, wood and other substrates can be processed, plus the machine is ideal for the finishing of carbon fiber reinforced and other composite materials. The overhead gantry provides precise production of models and molded parts. The standard machine includes a toolchanger for 24 tools and a CNC from Siemens or Heidenhain for full motion control and tracking. A specially developed 5-axis milling head with 15kW spindle is suitable for machining contours and tight pockets in large molds.
As Zimmermann Inc. President Cornelius Kiesel observes, “With this new machine, being introduced in our booth at IMTS to the North American market, Zimmermann enters a new arena, that is, the lighter weight machining applications for large structures at an economical price. Our recent acquisition of a company in Germany allows us to partner with a reliable source for this type of machine, enhanced by the unique features which have made Zimmermann a standard in the aerospace and large mold market segments.”
The FZU22 boasts a substantial working range, from 71”-98” in the X-axis, 118”-138” in the Y-axis and 49” in the Z-axis. A feed rate of 2756 ipm in the X- and Y-axes is standard while the acceleration on the machine is max. 118-197 in/sec2. With a compact footprint of 11’ x 15’, the machine fits in the corner of any shop. ISO 230-2 accuracy is provided. A choice of milling heads is offered on the machine to suit a variety of applications.
Optional equipment is offered on the FZU22, including touch probe, tool measuring system, work area cover, tool changer, chip conveyor, mist/dust extraction system, minimum quantity lubrication and a vacuum system.
The machine to be displayed at IMTS also features an ultrasonic system for cutting aerospace insulation.
Related Glossary Terms
- computer numerical control ( CNC)
computer numerical control ( CNC)
Microprocessor-based controller dedicated to a machine tool that permits the creation or modification of parts. Programmed numerical control activates the machine’s servos and spindle drives and controls the various machining operations. See DNC, direct numerical control; NC, numerical control.
- feed
feed
Rate of change of position of the tool as a whole, relative to the workpiece while cutting.
- gang cutting ( milling)
gang cutting ( milling)
Machining with several cutters mounted on a single arbor, generally for simultaneous cutting.
- inches per minute ( ipm)
inches per minute ( ipm)
Value that refers to how far the workpiece or cutter advances linearly in 1 minute, defined as: ipm = ipt 5 number of effective teeth 5 rpm. Also known as the table feed or machine feed.
- milling
milling
Machining operation in which metal or other material is removed by applying power to a rotating cutter. In vertical milling, the cutting tool is mounted vertically on the spindle. In horizontal milling, the cutting tool is mounted horizontally, either directly on the spindle or on an arbor. Horizontal milling is further broken down into conventional milling, where the cutter rotates opposite the direction of feed, or “up” into the workpiece; and climb milling, where the cutter rotates in the direction of feed, or “down” into the workpiece. Milling operations include plane or surface milling, endmilling, facemilling, angle milling, form milling and profiling.
- 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.
- 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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