Specific components and process features	This allows us to achieve:
NOZZLE NEEDLE (SEAT & MATCH GRINDING)
CBN grinding wheel	cycle times < 15s
2 diameter in-process measurement heads	straightness < 0.3µm
piezo tailstock	guide diameter roughnesses Ra < 0.06µm
pre-measurement station	gap dimension deviation <1µm
dimensional check station	roundnesses < 0.3µm
NOZZLE NEEDLE (IN ROLLER ASSEMBLY)
roller assembly	Seat angle +/- 0.1° cmk>2
hydrostatic axes	roundness 1.2 µm cmk>2
external grinding wheel with CBN	straightness 0.8 µm cmk>2s
rotating dressing	course to receptacle diameters 2µm cmk>2
	Rz 1.3 / Pt 1.4  cmk>2
	grinding time 6.5 sec.

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Post time: Jun-04-2020