Mitutoyo1001 Catalog.pdf - JW Donchin CO.

Micrometer HeadsSERIES 148 — Fine Spindle Feeding of 0.1mm/revFEATURESconventional 0.5mm pitch heads.Technical DataGraduations: 0.002mmSpindle pitch: 0.1mmsurfaceScale surface: Hard-chrome platingFixture thickness for clamp nut: 6mm (148-243Spindle pitch148-143 148-342 148-243Screw Threadpitch= 0.1mmScrew Threadpitch= 0.5mmSPECIFICATIONSMetricRange Order No.0 - 6.5mm 148-1420 - 6.5mm 148-1430 - 6.5mm 148-3420 - 6.5mm 148-3430 - 6.5mm 148-2420 - 6.5mm 148-243DIMENSIONS AND MASSAccuracy Stem dia. Stem Spindle face Remarks 9.5mm Plain — 9.5mm — 9.5mm Plain Thicker & shorter thimble 9.5mm Thicker & shorter thimble 6mm Plain Small thimble diameter 6mm Small thimble diameterApplicationsSemiconductor wafer positioning machinery andoptical component alignment units, etc.Precision X-Y table positioningholderSR40ø9.5 -0.009SR4ø144ø9.50-0.09Unit: mmø5ø3.5ø6.35SR4SR39.5(17)23.5ø1331.5(38)3.59.5(17)23.5148-142 Mass: 31g 148-143 Mass: 34g9.53.5(12) 23.518.5(30)148-342 Mass: 29g 148-343 Mass: 31gø6ø9.50-0.0080-0.009ø9.3ø156M6x0.5 7.5(8.5) 21.9(8.5) 21.915(28.4)15(28.4)148-242 Mass: 10g 148-243 Mass: 10gø5M9.5x0.5M9.5x0.58ø3.5SR4ø6.35SR3ø1443ø9.50ø6 -0.0080-0.009ø9.3ø139.5 3.5(12) 23.518.5(30)3.531.5(38)ø15( ): when retracting the spindle until its stroke end.Comparison of mounting dimensions between astandard fine-pitch head and a standard conventionalpitch head at the mid-range travel position Fine-pitch head Conventional pitch headWhile the fine-pitch micrometer head has a measuring rangeof 6.5mm, the conventional head has a larger range of13mm. When replacing a conventional head, the fine-pitchtype can use the common range in the middle of the spindletravel. The standard and compact types of fine-pitch headare completely interchangeable.B-58US-1001