Precision and Ultra-precision Machining TechnologyPrecision and Ultra-precision Machining TechnologyTeacher,Li SonghuaTeacher,Li Songhua,Overview of Precision Measurement TechnologyOverview of Precision Measurement Technology,Measurement DatumMeasurement Datum,Measurement of Straightness, Flatness and PerpendicularityStraightness

Installation of Coordinate Measuring Machine (CMM) in Qingpu District at present price "Hayashi Supply As a precise and efficient spatial length measuring instrument, CMM is able to realise a lot of measuring work which cannot be done by traditional measuring instruments.