Automotive Design and Production

MAY 2015

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AD&P; > May 2015 > On Mfg 46 ON MFG p The Sunnen SH-2000 job-shop honing machine is capable of processing a variety of part sizes and confgurations. p Seco's Duratomic TP2501, TP1501 and TP0501 turning inserts. p The AU-1440iA Z800 from Absolute Machine Tools is designed to process large and small parts with submerged wire EDM. Wire EDM Machine for Large and Small Parts What: AU-1440iA Z800 wire EDM Who: Absolute Machine Tools, Inc. ( absolutemachine.com ) Important to note: The AU-1440iA Z800 is engineered to process both large and small parts with wire EDM. Its AccuteX automatic wire threading system ofers fast submerged rethreading at the break point (dielectric drainage/reflling isn't required) resulting in spark-to-spark times as low as 15 seconds. It features a highly-ribbed column mounted with oversized U, V, Z axes, a reinforced lower arm and a Meehanite case honeycomb- type base. The 5.9-in. U and V axes are protected in a cabinet above the working area. Pertinent data: The AU-1440iA Z800 ofers an X axis capacity of 55.11-in. and a 31.49- in. capacity in Y and Z enabling it to handle workpieces up to 68.5 x 42.5 x 31.29-in. It can machine workpieces as heavy as 16,440 lb. The rigid structure of the machine and C1 Class U-V ball screws (20 mm) provide the ability to handle the high fushing presses needed for high-speed cutting. A 64-bit Windows CE-based PC CNC system drives machine axes via closed-loop, direct-coupled AC servomotors. The patented structure of the Hiwin linear guideways reduces up to 90% of friction and vibration to provide a positioning accuracy of ±0.00012 in. and repeatability of ±0.00008 in. in X and Y. Honing Machine for Medium and High Volumes What: SH-2000 job-shop honing machine Who: Sunnen Products ( sunnen.com ) Important to note: The Sunnen SH-2000 job-shop honing machine ofers digital control of spindle speed, power-stroke speed and extra strokes for bore sizing and fnishing. The machine is designed to handle a wide variety of parts with bore diameters from 1.5 to 200 mm in medium- to high-production volumes. The machine is equipped with a Siemens PLC/HMI for quick part programming changeover. It also allows operators to adjust speeds during the honing process should it be necessary. Applications include multiple land and tandem bores, heavy or odd-shaped parts, keyways/splines, blind-end bores and thinwall parts. It is suitable for parts with bore diameters from 1.5 to 102 mm in power stroke mode. Pertinent data: A 2.25 kW spindle drive delivers 200 to 3,000 rpm while the stroker drive produces rates of 60 to 350 SPM (stroke lengths 6.8 to 170 mm). A universal honing fxture is said to handle "nine out of ten" parts without additional tooling. Options include automatic size control (ASC) gimbal fxtures, long support bars, spindle adapter and an upgraded 32-gallon coolant system. Turning Insert Grades for Steel What: Three new grades for turning steel (TP2501, TP1501 and TP0501) Who: Seco ( secotools.com ) Important to note: Seco's three new CVD turning insert grades are for machining steel alloys, cast irons and stainless steels. These inserts allow manufacturers to maintain tool life in applications requiring higher or lower speeds. They utilize Edge Intelligence, a detection technology that helps identify used edges that show through the inserts chrome-colored coating via black aluminum oxide. These high-contrast edge marks will not impact tool performance or cutting data. Pertinent data: Duratomic TP2501, TP1501 and TP0501 are available in a wide range of insert sizes and geometries for roughing to fnishing operations. TP2501 is suitable for general steel turning, continuous or interrupted cuts. It can be run with or without coolant. TP1501 is a higher-hardness grade with maximized edge toughness for high wear resistance in low-alloy steel workpieces; it can also be used to machine ductile cast irons. TP0501 is for high-alloy steels and dry cutting.

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