Series VM - SMC Pneumatics (Ireland)

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Series VMPrecautionsBe sure to read before handling. Refer to p.0-33 to 0-36 for Safety lnstructions and common precautions.WarningMountingConditions for mechanical operationDo not move the mechanical operation beyond the operating limitposition, as this could damage the mechanical valve itself andlead to equipment malfunction.Actuator StrokeOperate the mechanism within the stroke range that has beenobtained through the formula given below. (Do not move beyond theoperating limit position.)Operating stroke: P.T. + 0.5 X O.T.SeriesVM1000VM100VM200VM400VZM500VZM400VFM300VFM200ActuatorT.T.=4.8mmBasic(T.T.=2.5mm)Roller leverOne way roller leverBasicRoller leverOne way roller leverStraight plungerRoller plungerCross roller plungerBasicRoller leverOne way roller leverStraight plungerRoller plungerCross roller plungerBasicRoller leverOne way roller leverStraight plungerRoller plungerCross roller plungerBasicRoller leverOne way roller leverStraight plungerRoller plungerActuator Stroke(mm)3.7 to 4.7(2.2 to 2.4)3.5 to 4.43.5 to 4.42.2 to 2.94.3 to 5.34.3 to 5.32.7 to 3.42.7 to 3.42.7 to 3.44.0 to 4.98.7 to 10.79.5 to 11.74.5 to 5.44.5 to 5.44.5 to 5.42.5 to 3.46.2 to 8.26.5 to 8.74.5 to 5.44.5 to 5.44.5 to 5.42.0 to 2.94.2 to 6.04.7 to 6.72.5 to 3.42.5 to 3.4For straight and roller plunger styles, there is a groove indicating P.T.and T.T. for stroke adjustment.Definition of SymbolsF.P. (Free Position) ................ No external force applied.O.P. (Operating Position) ........ Internal valve opening position.T.T.P. (Total Travel Position) ...... Includes over travel.O.F. (Operating Force) .......... Operating force required to initialvalve opening position.F.O.F. (Full Operating Force) ....Required force to total travel position.P.T. (Pre-Travel)......................From free position to initial valve operatingposition.O.T. (Over Travel)....................From initial valve operating position tototal travel position.T.T (Total Travel) ....................From free position to total travel position.Air Flow CalculationRefer to the p.0-36 for air flow calculations.Q = 22.2S PL(PH – PL)273θ + 273Cautions·············(1 formula)This product cannot be used for applications in which the pressuremust be sealed because there will be a slight leakage. Consult SMCfor this type of application.SAVASAVAVM/VRVH3.5-4
Series VMPrecautionsBe sure to read before handling. Refer to p.0-33 to 0-36 for Safety lnstructions and common precautions.WarningMountingwConditions for mechanical operationCam and dog angle and maximum speedSelect the angle and the maximum speed of the operating camand the dog of the mechanism from within the selection rangegiven in the table below.If they are operated beyond the selection range, the cam and the dogcould apply impact shocks to the actuator, leading to damage.SeriesVM1000VM100VM200VM400VZM500VZM400VFM300VFM200VM800Roller leverActuatorOne way roller leverRoller leverOne way roller leverStraight plungerRoller plungerCross roller plungerRoller leverOne way roller leverStraight plungerRoller plungerRoller leverAdjustable roller leverAdjustable rod leverAngle limit Max. speed limitswitch actuator switch actuator m/s30° 0.745° 0.330° 0.745° 0.330° 0.745°30°45°—30°30°0.30.70.30.20.30.330° 1.545° 0.730° 0.745° 0.3— 0.430° 0.730° 0.545°30°45°—0.20.20.10.2eNever perform additional machining such as enlarging the body mountingholes, as doing so could lead to abnormal conditions such as air leakage.rOperate all manual valves such as the push pin styles, theselector styles, and the flip toggle styles with your finger.If a hammer or other tools are used, or it is operated mechanicallythrough the use of a cylinder or the like, damage could result.EnvironmentCautionsqDo not operate it in an area in which fluids such as oil,coolant, or water splash on it or dust comes in contact with it.Because it does not have a waterproof or dustproof construction, fluids ordust could enter the valve, leading to malfunction. Therefore, take measuressuch as providing a protective cover to prevent direct exposure.MaintenanceWarningqPerform inspections on a regular basis as necessary, such as at the beginningof an operation, to make sure that the mechanical valve operates properly.Failure to observe this precaution could lead to unsafe operation, suchas unintended operation or malfunction.How to Change the ButtonReplace the button in the following manner to change color of thebutton.qPush button (Flush style)Installation .... Of the four colors, red, green, black, and yellow, select and align the protrudingportion of the button with the recessed portion of the body and push in.Removal ...... Remove the fastening ring and insert the tip of a small flatscrewdriver into the groove of the button to pry it up.Installation recommendations1) Avoid abrupt angles on limit switch actuator.BadGoodwPush Button (Mushroom and extended styles)At the time of shipment, only 1 button of the color that you specifiedis attached to the body.2) Avoid unnecessary travel.BadGoodGoodMountingRemovalMushroom styleAlign the protruding portion of thebutton with the recessed portionof the body and push in. (Use themark on the button as a referenceto align the protruding part.)Placing your finger under thecollar of the button on theside of the mark, tilt itupward.Extended styleAlign the protruding portionof the button with therecessed portion of thebutton and push in.Remove the fastening ring andinsert the tip of a small flatscrewdriver into the groove ofthe button to pry it up.Roller materialPolyacetalSteelPlunger materialSteelSteel, ResinPlunger surface finish3.5-5
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Series VM - SMC Pneumatics (Ireland)

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