mk2 (1041390), страница 4
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(Excessive force in thedirection of rotation applied to the piston rodmay damage the internal mechanism.)Refer to the following table for the tighteningtorque for mounting.Bore size (mm)20, 2532, 4050, 63NmStandard tightening torque4 to 68 to 1014 to 16AllenwrenchWrenchArm4.1-17SeriesMK2ø20, ø25+0.152–ø6.3 +0.05(Knock pin hole)Note: Actuators are drawn/shown in theirretractesor clamping position.2-M6 X 1 (Special cap bolt)2–ø6.624.5 + Clamp strokeøAh93251AD14J + Clamp strokeC72822–(0 to 10)B16M6 X 1.0With armRear flangeModelARear boss mountingCBDModelMK220-FMK225-FMK2G20 60 39 25.5 ±0.1 48±0.15MK2G25 64 42 28 ±0.1 52 ±0.15øAh9013 –0.043015 –0.043Auto switchMinimum bendingradius of lead wire 10In case of connector22E)(2GDøHh91110 –0.1–0.22-M5 X 0.8(ø5.5)FL)(2Eø12M8 X 1.25Effective threaddepth 11K5.5J + Clamp strokeBI + 2 X Clamp strokeF4 3C+0.152–ø3.3 +0.05depth 3M6 X 1G173AThrough hole & both ends tapped (standard)ModelA BCDEFGøHh9KL0MK2B20 36 46.8 36 48 24.5 13.5 ±0.15 7.5 ±0.15 20 –0.05275.5 62.5 314MK2B25 40 52 40 53.8 27.5 16±0.15IJ8 ±0.15 23 –0.052 78.5 65.5 320Note 1) Above figure is for D-A73, A80Note 2) Dimensions E and F are 7mm longer for the auto switches withconnector (D-A7C, A80C, J79C).Note 3) When the rod is extended, the clamp stroke and rotary stroke areadded to the appropriate dimensions.4.1-1852-ø5.5 through2 X 2–ø9 depth 7counter bore 3Rotary Clamp Cylinder/Heavy DutyMK2Seriesø32, ø40, ø50, ø63MK/MK2RSRERECModelAMK2G32MK2G40MK2G50MK2G63C..XWith armRear flangeB8 658 729 899 108CDEøFG4854678034 ±0.140 ±0.150 ±0.160 ±0.156 ±0.1562 ±0.1576 ±0.1592 ±0.155.55.56.69M6 X 1.0M6 X 1.0M8 X 1.25M10 X 1.5ModelMK232-NMK240-NMK250-NMK263-NABCDEFG1818222267678888202022224545656539465857.525254040M8 X 1.25M8 X 1.25M10 X 1.5M10 X 1.5MTSC..SMQRHCCCRear boss mountingNote 1) Below figure is for D-A73, A80.Note 2) Dimensions E and F are 7mm longer for the auto switcheswith connector (D-A7C, A80C, J79C).ModelMK232-FMK240-FMK2 5063 -FøAh9021 –0.052028 –0.052035 –0.062Through hole & both ends tapped (standard)ModelMK2B32MK2B40MK2B50MK2B63A B45526477606986103CDE3440506014 –0.1–0.214 –0.1–0.217 –0.1–0.217 –0.1–0.254617386F øG31.5354147.55.55.56.69øHI9 Depth 7 M10 X 1.59 Depth 7 M10 X 1.511 Depth 8 M12 X 1.7514 Depth 10.5 M12 X 1.75JKLMN1212151520 ±0.1524 ±0.1530 ±0.1535 ±0.157 ±0.157 ±0.158 ±0.159 ±0.15M6 X 1.0M6 X 1.0M8 X 1.25M10 X 1.517172228.5OPQRS14 4.5 101.5 76 3714 5 102.5 70 29.519 7 122 81.5 3419 7 125 85 35T øU7.5810.510.516162020VXøYh9Z1/81/81/41/4333.53.5030 –0.62030 –0.62037 –0.62048 –0.626.56.57.57.5Note 1) This cylinder rod is retracted.Note 2) Rotation direction is in the retracted direction from the rod side.Note 3) When the rod is extended, the clamp stroke and rotary stroke are added to the appropriate dimensions.4.1-19MK2SeriesAuto Switch Specifications (ø20 to ø63)Refer to the p.5.3-2 for details of auto switch.Applicable Auto SwitchElectrical entry (Function)Solid state switchReed switchStyle Auto switch modelD-A7, A8D-A7쏔H, A80HD-A73C, A80CD-A79WD-A9쏔D-A9쏔VD-F7쏔, J79D-F7쏔VD-J79CD-F7쏔W, J79WD-F7쏔WVD-F7BALD-F7쏔FD-F7NTLD-F9쏔D-F9쏔VD-F9쏔WD-F9쏔WVD-F9BALD-P5DWLBore sizePage5.3-14Grommet (Perpendicular)Grommet (In-line)ø20 to ø63Grommet (Connector)5.3-155.3-165.3-26Grommet (2 colour indication, Perpendicular)Grommet (In-line)ø32, ø63Grommet (Perpendicular)5.3-195.3-20Grommet (In-line)5.3-34Grommet (Perpendicular)5.3-35Grommet (Connector)5.3-36Grommet (2 colour indication, in-line)Grommet (2 colour indication, Perpendicular)ø20 to ø635.3-445.3-45Grommet (2 colour, water resistant, in-line)5.3-57Grommet (2 colour, diagnostic output, in-line)5.3-53Grommet (With timer, in-line)5.3-60Grommet (In-line)5.3-395.3-39Grommet (Perpendicular)ø32, ø63Grommet (2 colour indication, in-line)5.3-67Grommet (2 colour, water resistant, in-line)Grommet (2 colour, strong magnetic field resistant, in-line)5.3-665.3-66Grommet (2 colour indication, Perpendicular)ø40 to ø635.3-64Auto Switch Mounting Position (Stroke end)ø20, ø25ø32 to ø63MountingModelMK2쏔20MK2쏔25MK2쏔32MK2쏔40MK2쏔50MK2쏔63ø32 to ø63Rail mountingD-A7, A8A28.52932.523.52828.5B66.510.513.516.519.5A2929.5332428.529B6.5711141720A2626.5302125.526Direct mountingD-F7BAD-F7쏔WD-F7쏔FD-J79WD-F7쏔WVD-A7쏔H, A80HD-A73C, A80C D-A79WD-F7쏔, J79D-F7쏔V, J79CB3.548111417A3333.5372832.533B10.51115182124D-P5DWA–––19.52424.5B–––9.512.515.5D-A9쏔D-A9쏔VA––31.522.52727.5B––9.512.515.518.5D-F9쏔WD-F9쏔WVD-F9BALD-F9쏔D-F9쏔VA––35.526.53131.5B––13.516.519.522.5A––34.525.53030.5B––12.515.518.521.5Auto Switch Mounting Bracket Part No.Bore size(mm)Mountingbracket No.20/25BQ-132/4050/63BQ-240/5063BQP1-050Note쐌 Auto switch mounting screw(M3 X 0.5 X 8l)쐌Square nut쐌Auto switch mounting screw(M3 X 0.5 X 10l)쐌Auto switch spacer쐌Auto switch mounting nut쐌Switch mounting bracket쐌Auto switch mounting nut쐌Cross-recessed panhead small screw(M3 X 0.5 X 16l)쐌Hexagon socket head cap bolt(M3 X 0.5 X 14l)Reed switchApplicable auto switchSolid state switchD-A7, A8D-A73C, A80CD-A7쏔H, A80HD-A79WD-F7쏔, J79, D-F7쏔VD-J79CD-F7쏔W, J79W, D-F7쏔WVD-F7BAL, D-F7쏔F, D-F7NTLD-P5DWThe set of stainless steel mounting screws (with nuts) described below is available and can be used depending on the operating environment.(The spacers for auto switches must be ordered separately, as they are not included.)BBA2: For D-A7/A8/F7/J7 typesThe stainless steel screws described above are used when the D-F7BAL switch is shipped mounted on to the cylinder.When the switches are shipped as individual parts, the BBA2 set is included.4.1-20Rotary Clamp Cylinder/Heavy DutySeriesMK2Caution/Precautions for HandlingBe sure to read before handling.When equipped with strong magneticresistant auto switch D-P5DWLRefer to p.0.44 to 0-46 for common auto switch precautions.If welding cables or welding gun electrodes arein the vicinity of the cylinder, the magnets in thecylinder could be affected by the externalmagnetic fields.
(Contact SMC if the weldingamperage exceeds 20,000A.) If the source ofstrong magnetism comes in contact with thecylinder or an auto switch, make sure to installthe cylinder away from the source of themagnetism.If the cylinder is to be used in an environment inwhich spatter will come in direct contact with thelead wires, cover the lead wires with a protectivetube. For the protective tube, use a tube with abore of ø7 or more, which excels in heatresistance and flexibility.Contact SMC if an inverter welder or a DCwelder will be used.MK/MK2RSRERECC..XMTSC..SCalculation for Moment of InertiaGThin barPosition of rotary axis: Vertical to the bar and through the endI = m1 ·a2 2a1 2+ m2 ·33MThin barPosition of rotary axis: Vertical to the bar and through the centre ofgravityI=m·a212AThin rectangular platePosition of rotary axis: Parallel to side b and through the centre ofgravityI=m·a212I: Moment of Inertia (kg·m2) m: Load weight (kg)HThin rectangular plateRHCPosition of rotary axis: Vertical to the plate and through the endI = m1 ·CC4a22+b24a12+b2+ m2 ·1212JThin rectangular platePosition of rotary axis: Through the centre of gravity and vertical to theplate (Same as also thick rectangular plate)I=m·a2+b212OLoad at the end of lever armI = m1 ·a1 2+ m2 · a22 + K3I = m2 ·2r 25MQ4.1-214.1-22.
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