Achieved qualities
Seat
Roundness <0.5 microns
Total Runout Pt < 1 micron (straightness, surface finish = approx Rz < 0.5 microns)
Outer diameter / face
Distance seat to face < 5 micron

Tact time including dressing and loading/unloading
14.5 seconds
Stock removal at seat 40-80 microns

Technical features
Hydraulically driven swivel/pivoting loader mounted on work-head
30º angular plunge cut
External conventional grinding wheel
Internal CBN wheel Automatic part transfer to a second operation machine
Pre-process gauging for seat depth