Gear Hobbing Machines - K 160
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The K 160 combines an innovative design principle with state-of-the-art technology and the wealth of experience gained during generations of gear cutting. Whether used for dry or wet machining, customized automation equipment and an extensive technology package make the K 160 an optimal high-speed hobbing center for gear modules up to 2.5.

Throughput and idle times are governed, by cutting speeds, the workpiece loading process and ease of setting - all economically decisive factors in the machining of large batch sizes. For the machining of pinions and shafts with the smallest number of teeth the K 160 from KOEPFER is the world's fastest hobbing machine with the lowest chip-to-chip times. About 8 to 10 years ago, the machining times for armature shafts, for example, were in the region of 20 to 25 seconds, the K 160 has - for a few years - been the world's only machine to reduce them to 8 to 10 seconds. This position has been...

High-speed dry hobbing of planetary gears High-speed dry gear cutting of armature shafts Worm gears can not only be radially milled, as is the common practice, but – where greater precision is demanded – they can be tangentially milled, with the shank cutter being clamped in a hydraulic expansion chuck Steering pinions: soft pre-milling and hard finish-milling (skiving) of the gearing. Manufacturing quality: Pre-milling (soft) to DIN 7–8 Skiving (hard) to DIN 7

The perfect basis for precision and productivity. The Hobbing Machine 160 is equipped with the latest generation of 8-axis control systems and offers high hobbing head and work spindle speeds. This makes it possible to use high cutting speeds, even on those pinions and shafts with the fewest number of teeth. The base of the machine is made out of MINERALIT® polymer concrete in a slant bed design. This machine base is great for vibration dampening and is also torsion and bending resistant. The slant bed design has an appropriate chip and coolant removal system. NC axes: A – Hobbing head...

Machining area with hobbing head (direct drive) The slant-bed design of the machine provides easy access to the hobbing head and to the workpiece and offers outstanding conditions for chip and coolant removal. The optional equipment includes a chip suction device for dry hobbing operations. The control system. The K 160’s control system is of the •• The control system also offers latest generation and has the following extensive diagnostics functions including online access to the controls •• Its PC-operating control features a by KOEPFER service personnel. touch-screen panel in lieu of...

Flexible automation. The integral gantry loader with rotary twin-grippers makes for the shortest possible workhandling times. The available automation equipment covers the demands for autonomy and includes Integral gantry loader with flexible workpiece magazines, feeder chain and belt conveyor magazines for a variety of blanks and finish-machined components. Long-time magazines, like the circulating storage conveyor, make sure that machines are running for a number of hours and are not only suitable for Long-time recirculating storage conveyor both wheel- and shaft-type components but can...

Auxiliary tool holders are available in single- or twin-head configuration. The latter can be used, for instance, to position and debur workpieces simultaneously. Apart from being used for the deburring with wheel or cutting tool, the auxiliary tool holder can also be employed as a vibration damper or as a holder for the sensor used to automatically position the workpieces, or for special applications, such as holding driven deburring tools. Also available is an angular milling head that can be fitted to the hobbing head to serve as an adaptor for the milling of multi-start worms. Options:...

Max. workpiece dia. Standard (for automatic loading) mm 60 Option (for automatic loading) mm 90 Machine with extended base mm 480 Machine with extended base mm 1,000 Max. work spindle speed rpm 4,000 Swivel angle of hobbing head ± 50° Angular milling head for the milling of worms Speed of side milling cutter rpm 400 - 1,500 Max. side milling cutter dia. mm 80 Max. side milling cutter width mm 30 Subject to technical changes

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