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

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Series MK2TConstructionMK2T20 to 63With arm (N)Head end flange (G)!4!5!3!7!6!8!6i @0@5!2!0@2!9rq wu y to !1@1@3eo!9 @5@4@6In case of clamp stroke 50 mmComponent PartsNo.123456789101112DescriptionRod coverCylinder tubePistonBushingGuide shaftGuide rollerRetaining ringPiston rodBumperSeal retainerMagnetKeyMaterialStructural steelAluminium alloyAluminium alloyOil-impregnated sintered alloyBronze castedStainless steelStructural steelStructural steelSteel for special applicationsStainless steelStructural steelUrethaneAluminium alloy—Structural steelNoteElectroless nickel platedAnodic oxide coatingTrivalent chromatedø20, ø25ø32 to ø63ø20, ø25: Hard chrome platedø32 to ø63: Hard chrome platedø20, ø25: Phosphate coatingø32 to ø63: Zinc trivalent chromatedø20, ø25: Hard chrome platedø32 to ø63: Hard chrome platedTrivalent chromatedZinc trivalent chromatedComponent PartsNo.1314151617181920212223242526DescriptionArmClamp boltHexagon nutHexagon socket head cap screwSpring washerFlangeGasketCoil scraperPiston sealRod sealWear ringBottom plateRetaining ringHexagon socket headcap screw (with SW)WasherHexagon socket head cap screwMaterialStructural steelStructural steelStructural steelStructural steelSteel wireStructural steelNBRBronzeNBRNBRResinAluminium alloySteel for special applicationsStructural steelStainless steelStructural steelNoteElectroless nickel platedElectroless nickel platedNickel platedNickel platedNickel platedNickel platedAnodic oxide coatingPhosphate coatingNickel plated(ø40 to ø63 only)ø25, ø32 onlyNickel plated (ø25, ø32 only)Replacement Parts: Seal KitBore size (mm)Kit no.Content20MK2T20-PS25MK2T25-PS32MK2T32-PS40MK2T40-PSSet of nos. above !9 @0 @1 @2∗ Seal kit includes !9, @0, @1, @2. Order the seal kit, basing on each bore size.2150MK2T50-PS63MK2T63-PS
Rotary Clamp Cylinder: Double Guide Type Series MK2TPrecautionsBe sure to read this before handling.Refer to back page 1 for Safety Instructionsand “Precautions for Handling PneumaticDevices” (M-03-E3A) for Common Precautions.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 MK2TBMounting: Mounting bolt for through-hole type isavailable.Ordering: Add the word “MK2TB” to themounting bolt size.Example) M5 x 115 L (MK2TB) 4 pcs.Mounting boltFlatwasherNote) Be sure to use a flat washer to mountcylinders via through-holes.Graph (1)MK2T50/6320MK2T32/40Arm length l (cm)108642Precautions 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.MK2T20/25Operatingrange0.45 0.55 0.80.1 0.2 0.4 0.6 1Operating pressure (MPa)When the arm length is 8 cm, pressure shouldbe less thanMK2T20/25: 0.45 MPaMK2T32/40: 0.55 MPaMK2T50/63: 0.8 MPa.2. 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)Moment of inertia (kg·m 2 )10 –110 –210 –3MK2T50/63MK2T32/40MK2T20/25OperatingrangeWhen the arm’s moment of inertia is 1 x 10 –2kg·m 2 , the cylinder speed should be less thanMK2T32/40: 85 mm/sMK2T50/63: 140 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)lCylinder modelMK2TB20-10MK2TB20-20MK2TB25-10MK2TB25-20MK2TB32-10MK2TB32-20MK2TB40-10MK2TB40-20MK2TB50-20MK2TB50-50MK2TB63-20MK2TB63-50C11118.58.511.511.57.57.513.5101314D115135115135145165145165185245185250Mounting bolt sizeM5 x 115 LM5 x 135 LM5 x 115 LM5 x 135 LM5 x 145 LM5 x 165 LM5 x 145 LM5 x 165 LM6 x 185 LM6 x 245 LM8 x 185 LM8 x 250 L10 –450 85100140 200Note) 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.Bore size (mm)20, 2532, 405063(N·m)Proper tightening torque4 to 68 to 1014 to 16106 to 127WrenchHexagonwrenchkeyArm22
Page 2 and 3: Series MK/MK2/MK2TModel SelectionIt
Page 4 and 5: Rotary Clamp Cylinder: StandardSeri
Page 6 and 7: Series MKConstructionMK12, 16 MK20,
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 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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