Customer application
Piston rods

Challenges

  • Long, heavy as well as long, thin components
  • Thick chrome layer/ de-chroming
  • High surface quality

Sunnen solution

External honing machine HES

  • High spindle and stroke motor power for powerful operation
  • Fast de-chroming through machining with diamond honing stones
  • Automatic steady rest system for long, slim components

Universal honing head

  • One tool for diameters from 50 to 450 mm
  • Gimbal-mounted, supported tool for perfect roundness and parallelism
  • Quick-change system for honing stones ensures shortest set-up times
  • With different honing stones to a perfect surface (polished)

Complete system

  • Superior in every respect to the previous process of chemical de-chroming and belt grinding
  • Generally much better geometry and more homogeneous surface structure
  • Faster material removal and significantly lower consumption costs
  • Significantly less environmental impact due to elimination of de-chroming bath and grinding dust