Gear Expo Preview: Bourn and Koch Booth 1329
September 29, 2011
The Bourn and Koch 400 H CNC horizontal hobbing machine is a 7-axis CNC machine that can hob spur gears, helical gears, splines and threads on cylindrical blanks or shafts. Its powerful, direct-drive work spindle and extremely stable, steel-polymer composite components make it suitable for manufacturing large and heavy shaft parts up to 406 mm in diameter and 6.4 module. Shaft lengths up to 76" can be processed by the extended bed version on display at Star SU's booth. All axes' movements are supported by high-precision ball screws and linear roller ways, resulting in very fast setups and precise part machining. The through-hole, work spindle drive allows clamping of shaft parts that exceed the actual work area limitations. A dual tool setup allows for several gearings on one shaft or rough and finish cutting on one spindle. The standard model comes equipped with a NUM, Siemens or Fanuc CNC control; CNC operated tail center with variable load control; and it can hob wet or dry. Machine length extensions are also available. Star SU is the U.S. sales and manufacturing representative of Bourn and Koch.
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