mk2 (1041390)

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Rotary Clamp CylinderSeriesMK/StandardMK2/Heavy Dutyø12, ø16, ø20, ø25, ø32, ø40, ø50, ø63Seriesø20, ø25, ø32, ø40, ø50, ø63MK/MK2RSRERECC..XMTSC..SMQRHCSeries MKCCMax. operating pressure: 1MPaCompact equipment design is possible.Series MK2Suited for electronic parts inspection clamps. Ideal for use insmall mounting space.Full strokeRotation stroke(Clockwise orcounterclockwiserotation)Clamp strokeAuto switch is attachableA built-in magnet is standard, an auto switch can be directlymounted.A solid state auto switch that is designed to be used in astrong magnetic fields is available. (ø40, ø50, ø63)Suitable for welding applications.Made to OrderHeat resistant Max. 150°CRefer to to p.5.4-1 regarding detailedspecifications.4.1-1SeriesMK/MK2PrecautionsPrecautionsBe sure to read before handling. Refer to p.0-39 to 0-46 for Safety Instructions and actuator and autoswitch precautions.Speed AdjustingEnvironmentWarningWarningDo not use the cylinder under following environments:qAn area in which fluids such as cutting oil splash on the pistonrod.wAn area in which foreign matter such as particles, cutting chips,dust, or spatter is present.eAn area in which the ambient temperature exceeds theoperating range.rAn area exposed to direct sunlight.tAn environment that poses the risk of corrosion.Removing and Reinstalling The Clamp ArmWarningTo remove and reinstall the arm on the piston rod, instead of securingthe cylinder body, use a wrench to secure the arm to loosen or totighten the bolt (Fig.

1). An excessive amount of rotational force willbe applied to the piston rod if the bolt is tightened by securing thecylinder body, which could damage the internal parts. To fabricate anarm, make sure to machine a detect portion that corresponds to theparallel section at the rod end.Figure 14.1-2Make sure to connect a speed controller to the cylinder and adjust itso that the cylinder speed will be within a range of 50 to 200mm/s.If a clamp arm other than the available options is used, make sure toselect an appropriate arm after calculating the inertial moment of thearm.To operate a speed controller, make sure that the valve is fullyclosed, and gradually open the valve to adjust the speed.How to OperateWarningThe MK cylinder could malfunction or the non-rotating accuracy could be affected if a rotational force is applied to the piston rod.

Therefore,observe the particulars given below before operating the cylinder.q Make sure to mount the cylinder vertically (Fig. 3).w Never perform work (such as clamping or stopping) in a rotational direction (Fig. 4).e To clamp, make sure to do so within the clamp stroke (straight-line stroke) range (Fig.

5).r Make sure that the clamping surface of the workpiece is perpendicular to the cylinder's axial line (Fig. 6).t Do not operate the cylinder in such a way that an external force causes the workpiece to move while being clamped (Fig. 7).y Furthermore, do not operate the cylinder in an application in which a rotational force will be applied to the piston rod.q Do not operate the cylinder horizontally.MK/MK2RSREw Do not perform work in the rotational direction.RECC..XMTSC..SMQFigure 3RHCFigure 4CCe Do not clamp during a rotational stroke.Figure 5r Do not clamp on a slanted surface.Figure 6t Make sure that the workpiece does not move during clamping.Figure 74.1-3Rotary Clamp Cylinder/StandardSeriesMKø12, ø16, ø20, ø25, ø32, ø40, ø50, ø63How to OrderMK A 2010 R FA73 SNumber ofauto switchesRotary clamp cylinder—SMountingSymbolBABGStyleThrough hole & both ends tapped(Standard)Both ends tappedThrough holeRear flange∗Auto switchBore sizeø12, ø16Without auto switch(Built-in magnet)—∗ Refer to the table below regardingauto switch model no.ø20 to ø63∗ The rear flange is equipped with a bossmounting, so be sure to specify bodyoption "F".Body optionBore size1216202512mm16mm20mm25mm3240506321—MFNRotation direction(Release → Clamp)32mm40mm50mm63mmRClockwiseL CounterclockwiseStandard (Female thread)Rod end width across flats∗Rear boss mounting∗With arm∗ Refer to the table regarding productionrange of body option.Clamp stroke102050Clamp stroke10mm20mm50mmBore sizeø12 to ø40ø12 to ø63ø50 to ø63Applicable Auto Switches/Refer to p.5.3-2 for further information on auto switch.Style Special functionElectricalentryIndicatorSymbolLoad voltageWiring(Output)DC3 wire(NPN Equiv.)AccessoriesDiagnostic indicationGrommet(2 colour)Clamp boltYesMK-A020 Hexagonal socketMK-A032head cap screwHexagonal nutSpring seatGrommet3 wire(NPN)5V, 12VAccessoriesBossmounting ringSet pinBolt for cylinderbodyA80A73CA80CA80HDiagnosticindication(2 colour)Water resistant(2 colour)With timerGrommetDiagnostic output(2 colour)Latching withdiagnostic output(2 colour)Strong magnetic fieldresistant (2 colour)∗ Lead wireApplicableloadA96VA96ICA93VA90VA93A90IC3 wire(PNP)5V, 12VF7NV12VRelayPLCF7PV2 wireICF9NVF9NF9PVF9PF9BVF9BF7PICJ79J79CF9NWV F9NW3 wire(NPN)3 wire(PNP)F7924V5V, 12V12VF7NWV F79WF7PWF7BA5V, 12V2 wireF9BAF7NT3 wire (NPN)4 wire(NPN)ICF9PWV F9PWF7BWV J79W F9BWV F9BWF79FF7LFP5DW∗∗0.5m······– (Example) A80C5m······· Z (Example) A80CZ3m·········L (Example) A80CL– ········· N (Example) A80CN∗ Solid state auto switches marked with a “” are manufactured upon receipt of order.∗∗ D-P5DWL can be mounted for ø40, ø50 and ø63.4.1-43 5 —(—) (L) (Z) (N)IC12VConnectorYesPart No.A72HA73HLead wire∗(m)A79W2 wireMK-F020MK-F025MK-F032MK-F040MK-F050MK-F06312V5V, 12V ≤24VA72A73F7BVMK-A050Mounting Bracket Part No./FlangeBore size (mm)202532405063Connector24V100V5V, 12V ≤100VDirect mountingø12, ø16, ø32 to ø63 0.5Perpendicular In-line Perpendicular In-lineA76H200V2 wireø20 to ø635V12VYes No Yes NoPart No.MK-A012MK-A016Solid state switchBore size (mm)1216202532405063Reed switchOption Part No./ArmGrommetACRail mountingICRelayPLCRotary Clamp Cylinder/StandardMKSeriesSpecifications12Bore size (mm)162025Rotary direction (3)7.59.5Clamp stroke (mm)1520, 50Allowable moment Nm (1)13.87132747107182Theoretical clamp force N (2)40751001853005258251400MK/MK2Air1.5 MPaProof pressureRS0.1 to 1 MPaOperating pressure rangeWithout auto switch –10 to +70°C (No freezing)Ambient and fluid temperatureNon-lubePort sizeM5 X 0.8Through hole &Both ends tappedMountingRc(PT) 1/8Rc(PT) 1/4Both ends tapped, Through hole, Rear flangeRubber bumperCushion+0.6–0.4Stroke tolerance (mm)±1.4°Non-rotating accuracy (4)±1.2°±0.9°±0.7°Note 1) Max.

bending moment applied to the piston rod sideNote 2) At 0.5 MPaNote 3) Direction of rotation viewed from the rod side when the piston rod retracting.Note 4) Refer to "Rotary angle" diagram.0.30.50.71.0R0.824405680H1.1335577110R1.54575105150H260100140200R260.8100139200H390.2149208298R3.7112185258370H4.9149245341490R6182300418600H8243400557800R10.53195257311050H12.53806258701250R16.550282511491648H19.659698013651961R28851140019502801H31.294815602172312161682012251232Refer to the p.5.4-1 regarding made toorder for series MK.Unit: NOperating pressure (MPa)Rod dia. Operating Piston area(mm)direction(cm2)1216401650206320Note) Theoretical force (N)=Pressure (MPa) X Piston area (cm2) X 100Operation direction R: Rod side (Clamp)H: Head side (Release)Weight/Mounting Through HoleClamp stroke(mm)102050Availability of Body OptionsBore sizeø12, ø16ø20 to ø63—M—F—NMF—Unit: gBore size (mm)1216202532405070100250280500595——8712329032052564011001520——————13501805Additional WeightFN—63Unit: g1216202532405063Both ends tapped——6776717Rod end width across flats——101021214646Rear boss mounting——23571325With arm1332100100200200350350Rear flange——133153166198345531Bore size (mm)Calculation method/Example MKG20-10RFN Standard calculation: MKB20-10R Extra weight calculation: Both ends tappedRear flangeRear boss mountingWith arm250g6g133g2g100g491gC..XC..SMQTheoretical ForceBore size(mm)RECMTS50 to 200 mm/sPiston speedMade to OrderREWith auto switch –10 to +60°C (No freezing)LubricationOrdeerMad631910, 20FluidRotary Angle50R: Clockwise L: CounterclockwiseRotary stroke (mm)Rear flangeWith arm4090° ± 10°Rotary angle (4)With arm32Double actingOperation4.1-5RHCCCMKSeriesConstructionMK12, 16MK20, 25With arm (N)!6@3!7!5!8!9Auto switchMK32y !2 @4 o @7 r i !1 t q @6u !0 @5 w eRod end widthacross flats (M) y@0Rear boss mounting (F)Name plate@8!4@1@2Rear flange (G)MK40 to 63Component PartsNo.qwertyuio!0!1!2!3NoteDescriptionMaterialHard anodizedAluminum alloyRod coverHard anodizedAluminum alloyCylinder tubeAluminum alloyPistonOnly ø32 to ø63Copper bearing materialBushingNitridedStainless steelGuide pinHeated, Nickel platedCarbon steelPiston rodUrethaneBumperOnly ø20 to ø32Copper alloyRing nutExcept for ø12, ø16Stainless steelScraper pressureSynthetic rubberRubber magnetHex.

socket head cap screw Chrome molybdenum steel Sharp end section: 90°Spring steelR-shape snap ringStainless steelParallel pinNo.!4!5!6!7!8!9@0@1@2@3@4@5@6@7@8DescriptionC type retaining ringArmClamp boltHexagonal nutø12MK-12-PSø16MK-16-PSø40ø50MK-40-PSMK-50-PSSet of above @4, @5, @6, @7 and @8ø20 to ø32Not disassembled∗Seal Kit includes coil scraper @4, piston seal @5, gasket @6, rod seal @7 and O ring @8.Order a seal kit according to applicable bore size.4.1-6MaterialCarbon tool steelRolled steelChrome molybdenum steelRolled steelHex.

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