MY1 Mechanically Jointed Rodless Cylinder

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Mechanically Jointed Rodless CylinderCam Follower Guide TypeSeries MY1C56Cushion CapacityCushion SelectionAir cushions are a standard feature onmechanically jointed rodless cylinders.The air cushion mechanism isincorporated to prevent excessive impactof the piston at the stroke end during highspeed operation. The purpose of aircushion, thus, is not to decelerate thepiston near the stroke end.The ranges of load and speed that aircushions can absorb are within the aircushion limit lines shown in the graphs.Use this unit when operating with a load orspeed exceeding the air cushion limit line,or when cushioning is necessary becausethe cylinder stroke is outside of theeffective air cushion stroke range due tostroke adjustment.L unitUse this unit when the cylinder stroke isoutside of the effective air cushion rangeeven if the load and speed are within theair cushion limit line, or when the cylinderis operated in a load and speed rangeabove the air cushion limit line or belowthe L unit limit line.H unitUse this unit when the cylinder is operatedin a load and speed range above the L unitlimit line and below the H unit limit line.Caution1. Refer to the figure below when using theadjusting bolt to perform strokeadjustment.When the effective stroke of the shockabsorber decreases as a result of strokeadjustment, the absorption capacitydecreases dramatically. Secure the adjustingbolt at the position where it protrudesapproximately 0.5 mm from the shockabsorber.Absorption Capacity of Air Cushion and Stroke Adjusting UnitsMY1C16 Horizontal collision: P = 0.5 MPa MY1C32Collision speed (mm/s)200015001000500400300200100 0.5 1 2 3 4 5 10 20 30MY1C20Collision speed (mm/s)200015001000500400300200100MY1C25Collision speed (mm/s)200015001000500400300200L unitAir cushionm3max m2max m1maxLoad weight (kg)Horizontal collision: P = 0.5 MPa1 2 3 4 5 10 20 30 40 50m3max m2maxLoad weight (kg)Horizontal collision: P = 0.5 MPaH unitL unitAir cushionH unitL unitAir cushionm1maxCollision speed (mm/s)200015001000500400300200100 2 3 4 5 10 20 30 40 50MY1C40Collision speed (mm/s)200015001000500400300200100 2 3 4 5 10 20 50MY1C50Collision speed (mm/s)200015001000500400300200Horizontal collision: P = 0.5 MPaL unitAir cushionm3max m2maxLoad weight (kg)H unitHorizontal collision: P = 0.5 MPaL unitAir cushionm3max m2max m1maxLoad weight (kg)Horizontal collision: P = 0.5 MPaH unitAir cushionm1maxH unitL unit100MXMTSMYCYMGCXD--X20-DataAdjusting bolt1001 2 3 4 5 10 20 30 40 50100 2 3 4 5 10 20 30 40 501000.5m3max m2maxLoad weight (kg)m1maxm3max m2maxLoad weight (kg)m1max2. Do not use a shock absorber togetherwith air cushion.Air Cushion Stroke(mm)Bore size (mm)16202532405063Shock absorberCushion stroke12151519243037MY1C63Collision speed (mm/s)200015001000500400300200Horizontal collision: P = 0.5 MPaAir cushion100 2 3 4 5 10 20 30 40 50 100m3max m2maxLoad weight (kg)H unitL unitm1max8-11-59
Series MY1C57Cushion CapacityTightening Torque for StrokeAdjusting Unit Holding BoltsBore size (mm)16202532405063UnitALALHALHALHALHALHALH(N·m)Tightening torque0.61.53.05.05.012121224PrecautionsBe sure to read before handling.For Safety Instructions andActuator Precautions, refer topages 8-34-3 to 8-34-6.CautionUse caution not to get your handscaught in the unit.• When using a product with strokeadjusting unit, the space between the slidetable (slider) and the stroke adjusting unitbecomes narrow at the stroke end,causing a danger of hands getting caught.Install a protective cover to prevent directcontact with the human body.Adjusting bolt Unit holding boltLock nutLock plateholding boltTightening Torque for Stroke AdjustingUnit Lock Plate Holding BoltsBore size (mm)Calculation of Absorbed Energyfor Stroke Adjusting Unitwith Shock Absorber(N·m)Type ofimpact253240Kinetic energyE1Thrust energyE2Horizontalcollisionυ msUnitLHLHLHVertical(Downward)12F·s F·s + m·g·s F·s – m·g·sAbsorbed energyE1 + E2ESymbolυ: Speed of impact object (m/s)F: Cylinder thrust (N)s: Shock absorber stroke (m)m: Weight of impact object (kg)g: Gravitational acceleration (9.8 m/s 2 )Note) The speed of the impact object ismeasured at the time of impact with theshock absorber.8-11-60(N·m)Tightening torqueLock plate Shock absorber1.2 3.3 The unit can be secured by evenly3.3 tightening the four unit holding bolts.10Caution3.310Do not operate with the strokeadjusting unit fixed in an intermediateposition.When the stroke adjusting unit is fixed inan intermediate position, slippage canoccur depending on the amount of energyVertical released at the time of an impact. In such(Upward) cases, the use of the adjusting boltmounting brackets, available per made-toorderspecifications -X416 and -X417, isυ m s recommended.sFor other lengths, please consult with SMCυ m (Refer to “Tightening Torque for StrokeAdjusting Unit Holding Bolts”.)m·υ 2Loosen the adjusting bolt lock nut, andadjust the stroke from the lock plate sideusing a hexagon wrench. Retighten thelock nut.Loosen the two lock plate holding bolts,turn the shock absorber and adjust thestroke. Then, uniformly tighten the lockplate holding bolts to secure the shockabsorber.Take care not to over-tighten the holdingbolts. (Except ø16, ø20, ø50, ø63)(Refer to “Tightening Torgue for StrokeAdjusting Unit Lock Plate Holding Bolts”.)Note) Although the lock plate may slightly benddue to tightening of the lock plate holdingbolt, this does not a affect the shockabsorber and locking function.
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Series MY1Model SelectionFollowing
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Page 8 and 9: Series MY18PrecautionsBe sure to re
Page 10 and 11: 8-11-1010
Page 12 and 13: Series MY1BBefore OperationMechanic
Page 14 and 15: Mechanically Jointed Rodless Cylind
Page 34 and 35: 34MY1MSeriesSlide Bearing Guide Typ
Page 36 and 37: Series MY1MModel SelectionFollowing
Page 40 and 41: Series MY1M40Theoretical Output(N)B
Page 42 and 43: Series MY1M42Cushion CapacityTighte
Page 44 and 45: Series MY1M44Standard Type/Centrali
Page 46 and 47: Series MY1M46Stroke Adjusting UnitW
Page 48 and 49: Series MY1M48Construction: ø16 to
Page 50 and 51: Series MY1CBefore OperationMechanic
Page 64 and 65: 64MY1HSeriesHigh Precision Guide Ty
Page 66 and 67: Series MY1HModel SelectionFollowing
Page 70 and 71: Series MY1H70Theoretical OutputBore
Page 72 and 73: Series MY1H72With End LocksRecommen
Page 74 and 75: Series MY1H74Cushion CapacityTighte
Page 76 and 77: Series MY1H76Standard Type/Centrali
Page 78 and 79: Series MY1H78Stroke Adjusting UnitW
Page 80 and 81: Series MY1H80Side SupportSide suppo
Page 82 and 83: Series MY1H82Construction: ø16 to
Page 84 and 85: 8-11-8884
Page 86 and 87: Series MY1HTBefore OperationMechani
Page 96 and 97: Series MY1Auto Switch96D-A90(V), D-
Page 98 and 99: Auto Switch Series MY198Proper Auto
Page 100 and 101: Auto Switch Series MY1100Proper Aut
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MY1 Mechanically Jointed Rodless Cylinder

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