MK-MK2 Rotary clamp cylinder.. - SMC Pneumatics (Ireland)

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Series MKConstructionMK12, 16 MK20, 25@3With arm (N)!6!7!5!8!9MK32y !2 @4 o@7 r i !1 t q @6 u !0 @5 w eRod end width across flats (M)yWith boss on head end (F)@0@8Name plateMK40 to 63!4@1 @2Head end flange (G)Component PartsNo.1234567891011121314DescriptionRod coverCylinder tubePistonBushingGuide pinPiston rodBumperRing nutScraper pressureMagnetHexagon socket head set screwRound R-type retaining ringParallel pinC-type retaining ringMaterialAluminium alloyAluminium alloyAluminium alloyCopper bearing materialStainless steelStainless steelCarbon steelUrethaneCopper alloyStainless steel—Chromium molybdenum steelSpring steelStainless steelCarbon tool steelNoteHard anodisedHard anodisedø32 to ø63 onlyNitridedø12 to ø25 Nitridedø32 to ø63 Heated, Nickel platedø20 to ø32 onlyExcept ø12, ø16Sharp end section: 90°Used at ø12, ø16, ø32 to ø63Component PartsNo.1516171819202122232425262728DescriptionArmClamp boltHexagon nutHexagon socket head cap screwSpring washerCentering location ringFlangeHexagon sockethead cap screwSpacer for switch typeCoil scraperPiston sealGasketRod sealO-ringMaterialRolled steelChromium molybdenum steelRolled steelChromium molybdenum steelHard steelAluminum alloyRolled steelChromiummolybdenum steelAluminum alloyPhosphor bronzeNBRNBRNBRNBR!3NoteExcept ø12, ø16Except ø12, ø16ø20, ø25: 2Qty.ø32 to ø63: 4ø12, ø16 onlyExcept ø12, ø16Replacement Parts: Seal KitBore size (mm)Kit no.Contentø12MK-12-PSø16MK-16-PSø20 to ø32ø40Not able to disassemble MK-40-PSSet of nos. above @4 @5 @6 @7 @8∗ Seal kit includes @4 to @8. Order the seal kit, basing on each bore size (except ø20 to ø32).3ø50MK-50-PSø63MK-63-PS
Rotary Clamp Cylinder: Standard Series MKPrecautionsBe sure to read this before handling.Refer to back page 1 for Safety Instructionsand “Precautions for Handling PneumaticDevices” (M-03-E3A) for Common Precautions.Precautions for Designing and Mounting ArmsWhen arms are to be made separately, their length and weight should be within the followingrange.1. Allowable bending momentUse the arm length and operating pressure in Graph (1) to select an allowable bendingmoment loaded piston rod.CautionClamp Arm Mounting1. Use a clamp arm that is available as an option.To fabricate a clamp arm, make sure that theallowable bending moment and the inertialmoment are within the specified range.If a clamp arm that exceeds the specified valueis installed, the internal mechanism in thecylinder could become damaged.Ensuring Safety1. If one side of the piston is pressurised bysupplying air with the clamp arm attached, thepiston will move vertically while the clamp armrotates. This operation could be hazardous topersonnel, as their hands or feet could getcaught by the clamp arm, or could lead toequipment damage. Therefore, it is importantto secure as a danger zone a cylindrical areawith the length of the clamp arm as its radius,and the stroke plus 20 mm as its height.Installation and Adjustment/Clamp Arm Removal and Reinstallation1. During the removal or reinstallation of theclamp arm, make sure to use a wrench or avise to secure the clamp arm before removingor tightening the bolt.This is to prevent the bolt tightening torquefrom being applied to the piston rod, whichcould damage the cylinder’s internal mecha-Mounting Bolt for MKBMounting: Mounting bolt for through-hole type isavailable.Ordering: Add the word “MKB” to the mountingbolt size.Example) M5 x 75 L (MKB)Mounting boltGraph (1)MK50/63Arm length l (cm)Moment of inertia (kg·m 2 )MK32/40MK20/25MK16Operatingrange2. Moment of inertiaWhen the arm is long and heavy, damage of internal parts may be caused due to inertia.Use the inertia moment and cylinder speed in Graph (2) basing on the arm requirements.Graph (2)Operating pressure (MPa)MK50/63MK32/40MK20/25MK12/16When the arm length is 8 cm, pressure shouldbe less thanMK20/25: 0.45 MPaMK32/40: 0.55 MPaMK50/63: 0.8 MPa.When the arm’s moment of inertia is 3 x 10 –4kg·m 2 , the cylinder speed should be less thanMK20/25: 65 mm/sMK32/40: 150 mm/s.For calculating the moment of inertia, refer tofront matter 1, 2, back page 8.Note) The maximum piston speed is equivalentto approximately 1.6x the averagepiston speed. (Rough indication)FlatwasherNote) Be sure to use a flat washer to mountø12 and ø16 cylinders via through-holes.OperatingrangeCylinder model C D8888MKB12-10MKB12-20MKB16-10MKB16-20MKB20-10MKB20-20MKB25-10MKB25-20MKB32-10MKB32-20MKB40-10MKB40-20MKB50-20MKB50-50MKB63-20MKB63-5010910.576.511.510.550605060758575858595758595130100130Mounting bolt sizeM3 x 50 LM3 x 60 LM3 x 50 LM3 x 60 LM5 x 75 LM5 x 85 LM5 x 75 LM5 x 85 LM5 x 85 LM5 x 95 LM5 x 75 LM5 x 85 LM6 x 95 LM6 x 130 LM8 x 100 LM8 x 130 LNote) Maximum piston speed (mm/s)• To attach and detach the arm to and from thepiston rod, fix the arm with a wrench or viseand then tighten the bolt.(If an excessive force is applied in the rotarydirection, it may cause damage to the internalmechanism.)Refer to the following table for the tighteningtorque for mounting.(N·m)Bore size (mm) Proper tightening torque120.4 to 0.6162 to 2.420, 254 to 632, 408 to 1050, 6314 to 16WrenchHexagonwrenchkeyArm4
Page 2 and 3: Series MK/MK2/MK2TModel SelectionIt
Page 4 and 5: Rotary Clamp Cylinder: StandardSeri
Page 8 and 9: USeries MKDimensions: ø12, ø16,
Page 10 and 11: Series MKDimensions: ø32, ø40, ø
Page 12 and 13: Rotary Clamp Cylinder: Heavy Duty T
Page 14 and 15: Series MK2ConstructionMK220, 25With
Page 16 and 17: LSeries MK2Dimensions: ø20, ø25+0
Page 18 and 19: Series MK/MK2Auto Switch Proper Mou
Page 20 and 21: Series MK/MK2Auto Switch Mounting B
Page 22 and 23: Rotary Clamp Cylinder: Double Guide
Page 24 and 25: Series MK2TConstructionMK2T20 to 63
Page 26 and 27: Series MK2TDimensions: ø20, ø252
Page 28 and 29: Series MK2TAuto Switch Proper Mount
Page 30 and 31: Series MK/MK2/MK2TAuto Switch Speci
Page 32 and 33: Reed Switch: Direct Mounting StyleD
Page 34 and 35: Reed Switch: Rail Mounting StyleD-A
Page 36 and 37: 2-Colour Indication Solid State Swi
Page 38 and 39: Solid State Switch: Rail Mounting S
Page 40 and 41: Water Resistant 2-Colour Indication
Page 42 and 43: Magnetic Field Resistant 2-Colour I
Page 44 and 45: Series MK/MK2/MK2TSafety Instructio
Page 46 and 47: Series MK/MK2/MK2TAuto SwitchesPrec
Page 48 and 49: Series MK/MK2/MK2TAuto SwitchesPrec
Page 50 and 51: Series MK/MK2/MK2TSpecific Product
Page 52: © DiskArt 1988EUROPEAN SUBSIDIARIE

MK-MK2 Rotary clamp cylinder.. - SMC Pneumatics (Ireland)

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