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204 MMS June 2014 mmsonline.com modern equipment review Turcite-B-coated for improved oil retention and wear resistance. Electrical cabinets are temper- ature-controlled with a heat exchange system. The toolchanger is available as a hydraulic four- way turret, V-8 or V-12 hydraulic turret system. A spindle oil chiller is offered as an option for con- trolling headstock and spindle heat expansion under heavy cutting conditions. Sharp Industries Inc., call 310-370-5990 or visit sharp-industries.com. HMC InCreases energy effICIenCy The Heller H 4500 four-axis horizontal machining center is designed for increased energy efficiency and economical cutting capabilities within limited space. Air, coolant, hydraulics and other energy consumers are f lexibly controlled, based on demand. The HMC is equipped with Heller's HSK-A 100 spindle, and SK/BT 50-taper is also available. The 52-kW spindle option provides 500 Nm of torque and speeds ranging to 12,500 rpm for cutting iron and steel as well as lighter alloys. Turning operations are possible with Heller's NC- controlled out-facing head option. The HMC offers a 500- × 630-mm pallet and 800-mm strokes in the X, Y and Z axes. A rotary pallet table accommodates loads as heav y as 1,400 kg. The rigid machine bed, double-motor Z axis, stiff and short design of the spindle, and water-cooled spindle housing promote precision and reliability. The machining center's design e nable s fre e chip fall below the spindle and BALL GAGE BAL-tEc Division Micro Surface Engr., Inc. 1550 E. Slauson Ave. Los Angeles, CA 90011 323-582-7348 • www.precisionballs.com Save time with the self centering spherical surface of the ball gage. When measuring a large number of holes it can be 100 times faster. Put one or two fats on the ball and fnd any out-of-round holes. Measure how parallel the space is between two surfaces and or the size. You can get into inside diameters or inside spherical surfaces of rod end bearings. Bend the stem to reach inaccessible locations, in confned areas, down in a hole, inside a cavity or in a buried feature which cannot be seen. Mount the ball on a wire for fexibility to go around corners in pipe and tubing, for example. Easily measure the width of grooves or the surfaces of spherical and toroidal features. Accurately measure the pitch diameter of bearing races, threaded surfaces and of gears Ball Gage instead of a cylindrical plug gage. mmsonline.com/tips TIPS The turn-mill machine does not have to turn Lathes with milling and drilling capability can be the most effcient choice for some parts that do not even require any turning. See an example in the article "Turning is Optional." Find a link to the article at the URL listed below. 0614_MMS_mer.indd 204 5/14/2014 11:22:14 AM