B-112BMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.• Mitutoyo manufactures simple and less expensive precision leadscrews for precise positioning mechanisms and ne-feed mechanisms, in addition to standard micrometer heads. • Mitutoyo also manufactures leadscrews with special specications, such as 0.25mm pitch, as well as those with the standard 0.5mm feed pitch and with dimensions and forms that meet customer’s requirements.• Durability: 100-thousand operations are guaranteed (use condition: 4 kg load; 2 kg for AS-6.5 and BS-6.5)• Main applications: · Precision feed stages· Fine adjustment of optical elements (mirrors, prisms)· Fiber optic centering devices· Various assembly and adjustment jigsDrive motorPinionPrecision lead screwPrecision LeadscrewsAS-25AS-13AS-6.5Micrometer Head Example of useSPECIFICATIONSOrder No.ModelStroke(mm)Feed pitch(mm)Feed accuracy (µm)Stem diameter(mm)Tip diameter(mm)Tail diameter(mm)Screw nominal diameterSleeve diameter(mm)Measuring faceMassOthers04AZA160AS-±5ø6 0-0.008ø3.5ø3 0-0.01M4.5 x 0.5ø7Hardened10g• AS type: Flat spindle tip without nut• BS type: Spherical spindle tip with nut04AZA161BS-6.511g04AZA162AS-1313±2ø9.5 0-0.009ø5ø5 0-0.012M7.35 x 0.5ø10.527g04AZA163BS-1330g04AZA164AS-2525ø10 0-0.009ø6.35ø6 0-0.015ø12Carbide61g04AZA165BS-2564gストレートステOrder No.LL1L2L3L4L504AZA160391514.596—04AZA1617.5304AZA16257.52521.515.58—04AZA163404AZA16496.54239.52710—04AZA1654L2L4L1L3L スリーブ(材質:快削鋼、黒染め)ねじ呼び径スピンドル(材質:SKS焼入鋼)先端径スリーブ外径ステム径後端径L3L1LL2L4Diameter of tipDiameter of tail External diameter of sleeveStem diameter Sleeve (material: free-cutting steel, black oxide nish)Nominal diameter of screwSpindle (material: SKS hardening steel)DIMENSIONSType AS: Plain stemType BS: Stem with locknut Unit: mmPlain stemStem locknutSpherical faceL5L4L3L1LL2Diameter of tipDiameter of tailStem diameterExternal diameter of sleeve Sleeve (material: free-cutting steel, black oxide nish)Nominal diameter of screwSpindle (material: SKS hardening steel)Stem locknut


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