• Assembled Rotor Shaft (Electric Motor)
  • Stator Housing
  • Truck Brake Drum
  • Articulated cage
  • Bevel gear
  • Blisk
  • Brake disc
  • Cam
  • Composite camshaft (joining)
  • Crankshaft (automobile)
  • CVT Pulley
  • Large Crankshafts
  • Crankshaft (for small engines)
  • CV Joints
  • Dies
  • Differential pinion
  • Differential housing
  • Distributor flange
  • Feed screw
  • Flange
  • Gear
  • Gear shaft
  • Gear shaft (joining)
  • Gear shaft (laser welding)
  • Gear with synchronising wheel
  • Hobbing gears
  • Injector body
  • Outer Race
  • Master brake cylinder
  • Piston
  • Planetary Gears
  • Pump ring
  • Railway wheel
  • Roll ring
  • Worm Gear
  • Sprocket
  • Sprocket (Manufacturing System)
  • Steering pinions
  • Triple-sector clutch
  • Truck Wheel Hub
  • Turbocharger Shaft
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Steering pinion

Machines and manufacturing systems for the machining of steering pinions

These days, power steering systems are standard in all cars. It is the reason why the steering pinion that transfers the movement of the steering wheel to the steering system’s gear shaft is produced in enormous quantities. For the KOEPFER 160 Hobbing Machine this is a simple task, as it is specially designed for the manufacture of steering pinions. The machine features a cutting-edge 8-axis control and offers high speeds on both hobbing head and mainspindle. It allows for the milling of even the smallest number of teeth on shafts and steering pinions at high cutting speeds.

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Machining of steering pinions on K 160 machines.

An integrated loading gantry ensures the automatic loading and unloading of all workpiece variants. A workpiece positioning check and – where necessary – adjustment is carried out early on, when the component is still in the loading magazine. This is necessary, as the gearing on the steering pinion must be machined in alignment with a contour (surface, fluted section).

Machining technologiessoft pre-milling and hard finishing (skiving) of the gearing
Machining quality
  • pre-milling of the steering pinion (soft) to DIN 7-8
  • depending on workpiece type and number of teeth – approx. 40-50s (including alignment)
Workpiece variants2 x 10 steering pinion variants, with left- and right-hand pitched gearing respectively
Cycle times
  • pre-milling (soft): depending on type and number of teeth – approx. 30 – 40s (including alignment)
  • skiving (hard): depending on type and number of teeth – approx. 40 – 50s (including alignment)

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Manufacturing system for steering pinions

What does a modern, highly productive and cost-efficient manufacturing system for steering pinions look like? The answer to the question: like the VL and VT machines from EMAG.

VL/VT production line for steering pinions

The most important facts about the line:

  • The 4-axis machining capability brings about an increase in productivity of 30 percent
  • Short travels, resulting in short idle times
  • Machining in a limited number of setups ensures highest precision (no re-clamping errors)
  • A saving in footprint of 15 percent
  • Simple resetting and easy maintenance make the machines operator-friendly

VL/VT production line for steering pinions

The most important facts about the production environment:

  • Universal, modular manufacturing concept that can be adapted and extended at any time
  • Minimal incidental costs, as there is no need for intermediate storage or in-house transport of the workpieces, resulting in low stocks and faster throughput times
  • Simple incorporation of own design, specific automation solutions



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