Tech center offers manual and CNC machining programs

Published
June 05, 2014 - 07:00pm
Manufacturers nationwide are struggling to find skilled labor, and several community colleges and technical centers around the country have stepped in to fill the void, including a technical training center in Phoenix that offers CNC and manual machining programs.

Manufacturers nationwide are struggling to find skilled labor, and several community colleges and technical centers around the country have stepped in to fill the void, including a technical training center in Phoenix that offers CNC and manual machining programs.

The Maricopa Skill Center offers two machining certificates: CNC machining and manual machining. Students in the program attend class 6 hours a day, Monday through Thursday. The CNC machining program takes about a year to complete. The cost is approximately $7,331. The manual machining certificate takes about 8½ months to complete and the estimated cost is $5,153.

The CNC certificate provides graduates with NIMS Level-1 certification in safety, CNC mill and CNC lathe operations. Graduates of the manual machining program receive a NIMS Level-1 certification in safety, manual mill and manual lathe.

Working in a hands-on, team approach, students learn to convert raw materials into durable goods. They work mainly with aluminum and learn how to operate lathes and mills, maintain equipment and read blueprints. 

For more information, telephone (602) 238-4350.

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.

  • 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.

  • lathe

    lathe

    Turning machine capable of sawing, milling, grinding, gear-cutting, drilling, reaming, boring, threading, facing, chamfering, grooving, knurling, spinning, parting, necking, taper-cutting, and cam- and eccentric-cutting, as well as step- and straight-turning. Comes in a variety of forms, ranging from manual to semiautomatic to fully automatic, with major types being engine lathes, turning and contouring lathes, turret lathes and numerical-control lathes. The engine lathe consists of a headstock and spindle, tailstock, bed, carriage (complete with apron) and cross slides. Features include gear- (speed) and feed-selector levers, toolpost, compound rest, lead screw and reversing lead screw, threading dial and rapid-traverse lever. Special lathe types include through-the-spindle, camshaft and crankshaft, brake drum and rotor, spinning and gun-barrel machines. Toolroom and bench lathes are used for precision work; the former for tool-and-die work and similar tasks, the latter for small workpieces (instruments, watches), normally without a power feed. Models are typically designated according to their “swing,” or the largest-diameter workpiece that can be rotated; bed length, or the distance between centers; and horsepower generated. See turning machine.

  • 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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