• Articulated cage—produced on an EMAG vertical turning center VTC 100-4
    Articulated cage
  • PECM for the machining of blisks
    Blisk
  • Brake disc
  • Cam
  • Composite camshaft for a small engine
    Composite camshaft (joining)
  • Automobile crankshaft machined on the PM 2 series.
    Crankshaft (automobile)
  • Crankshaft (for small engines)
  • CV joints make high demands on the machining technology. Core components: Kingpins, articulated cage, joint ball
    CV Joints
  • Dies
  • Differential pinion—precision machining on VL machines
    Differential pinion
  • Differential housing
  • Distributor flange
  • Feed screw
  • Flange manufactured on VL 2 lathes
    Flange
  • Gears are machined on EMAG VL series machines
    Gear
  • Gear shaft
  • Composite gear shaft manufactured with high precision by the use of EMAG heat shrink assembly technology.
    Gear shaft (joining)
  • Gear shaft (laser welding)
  • Gear with synchronising wheel
  • Gear of an automobile gearbox manufactured on a VLC 200 H
    Hobbing gears
  • Injector body
  • Machines by the EMAG Group for Kingpin production
    Kingpins
  • Master brake cylinder
  • To machine pistons with precision poses a particular challenge for all manufacturing solutions
    Piston
  • Pump ring production on the high-precision SK 204 grinder
    Pump ring
  • Railway wheel manufactured with precision on VLC 1200 turning centers
    Railway wheel
  • Roll rings are precision components
    Roll ring
  • Screw
  • Sprocket
  • Sprocket (Manufacturing System)
  • Steering pinions can be machined with great precision on the EMAG VT machine
    Steering pinions
  • Triple-sector clutch
  • Surface layer hardening an armature shaft on an eldec MIND 750
    Armature shaft
  • Input shaft
  • Balance shaft
  • Induction hardening through precision control
    Hydraulic Valve
  • Camshaft
  • Hardening shifter shafts with induction hardening
    Shifter Shaft
  • Surface layer hardening with the eldec hardening machine
    Wheel Hub
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Hobbing gears

Hobbing Machine for Gear Production

The increasing number of automobile gears, especially as automatic transmissions are developed with 10-gear systems, allow cars to run for longer periods of time within optimal rpm ranges, thus increasing fuel efficency. This results in increased pressure on the optimization of gears and their production. High-volume gear manufacturing systems must increase speed and precision. The VLC 200 H demonstrates how.

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"Shifting up a gear" in the production of gears

Flexible solution

The automated, high-performance package of the VLC 200 H hobbing machine can be integrated in a production system in various ways. Directed parts flow, as well as cyclical automation or connection via "Chaku-Chaku" enables the high-production manufacturing of gears.

Minimum idle times

The pick-up principle ensures low idle times during production of gears. The spindle lifts the gear from the conveyor and moves it to the tailstock, where it is provided maximum rigid support. After hobbing, the spindle transports the gear out of the work area.

Short processing times

The two water-cooled direct drives on the process-relevant axes, as well as on the milling head and the main spindle ensure high performance. Gear wheels with a diameter up to 200 millimeters and module 4 can be efficiently dry milled with a short machining time. Wet machining is an optional possibility.

Shortening the process chain

After turning the blanks, on a VL 2 lathe, for example, the gear cutting process starts on the VLC 200 H. Double-sided chamfering is performed with a VLC 100 C. This massively reduces the cycle time for a gear wheel.

Work areas

Gear wheel hobbing machine for machining of gears

Work area of the VLC 200 H for machining gears

Gear wheel chamfering and hobbing in a single set-up

The gear wheels are chamfered after the hobbing

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