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  1. You are here: Homepage
  2. Precision Grinding
  3. Applications
  4. Valve Train

Valve Train

A valve control is responsible for letting the gases (air-fuel mixture and waste gases) into and out of the cylinder at the right time. This technology is generally summarized under the term "valve train."

In today's modern systems, valve control is variable and dependent on various parameters. Several different systems for this have been developed and been established on the market.

Variable valve trains – that is, with variable opening time, variable valve stroke and/or variable spread – reduce the fuel consumption of gasoline engines through the influence of charge cycle work, mix preparation and combustion.

Newer variable valves also allow the deactivating of one of two inlet valves. This allows the effects of variable valve control and direct injection to be combined.

Camshaft Adjustment

Specific components and process features:

  • KISS function
  • different work pieces on one machine (iVCP)
  • OD and ID on one machine without changeover
  • process stability

This allows us to achieve:

  • high axial run-out of both surfaces to each other
  • high flatness of both surfaces to each other
  • parallelism, right angularity

Valve-Stroke Adjustment

Specific components and process features: 

  • double clamping chuck
  • finish grinding included
  • ¼ of cycle time with two parts grinding at the same time/chuck

This allows us to achieve:

  • high output (7,5sec/part)
  • surface finish grinding

Cylinder Deactivation

Specific components and process features: 

  • swivel table optimized cycle times
  • double work piece spindle and double internal grinding unit
  • cycle time neutral, integrated dimensional checking
  • hydrostatic axes with motor-driven ball screw
  • low spatial requirements

This allows us to achieve:

  • high yield through work piece exchange in auxiliary time
  • low unit costs (cost per piece)
  • roundness < 0.003 mm
Karl-Heinz Weiszhar
Key Account Manager
Language : German , English , French
Telephone : +49 7181 809-162
E-Mail : karl-heinz.weiszhar@bahmueller.de
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Achim Nuding
Key Account Manager
Language : German , English
Telephone : +49 7181 809-139
E-Mail : achim.nuding@bahmueller.de
Download digital business card
Frank Maurer
Key Account Manager
Language : German , English
Telephone : +49 7181 809-417
E-Mail : frank.maurer@bahmueller.de
Download digital business card

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