MY1B - SMC

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Series MY1Specific Product Precautions 1Be sure to read before handling.Refer to front matters 54 and 55 for Safety Instructions and pages 3 to 11 for Actuatorand Auto Switch Precautions.SelectionCaution1. When using a cylinder with long strokes, implementan intermediate support.When using a cylinder with long strokes, implement anintermediate support to prevent the tube from sagging andbeing deflected by vibration or an external load.Refer to the Guide for Side Support Application on pages 971,993, 1013, 1037 and 1050.2.For intermediate stops, use a dual-side pressurecontrol circuit.Since the mechanically jointed rodless cylinders have aunique seal structure, slight external leakage may occur.Controlling intermediate stops with a 3 position valve cannothold the stopping position of the slide table (slider). Thespeed at the restarting state also may not be controllable. Usethe dual-side pressure control circuit with a PAB-connected 3position valve for intermediate stops.3. Constant speed.Since the mechanically jointed rodless cylinders have aunique seal structure, a slight speed change may occur. Forapplications that require constant speed, select an applicableequipment for the level of demand.4. Load factor of 0.5 or lessWhen the load factor is high against the cylinder output, itmay adversely affect the cylinder (condensation, etc.) andcause malfunctions. Select a cylinder to make the load factorless than 0.5. (Mainly when using an external guide)5. Cautions on less frequent operationWhen the cylinder is used extremely infrequently, operationmay be interrupted in order for anchoring and a changelubrication to be performed or service life may be reduced.6. Consider uncalculated loads such as piping,cableveyor, etc., when selecting a load momentCalculation does not include the external acting force ofpiping, cableveyor, etc. Select load factors taking into accountthe external acting force of piping, cableveyor, etc.7. AccuracyThe mechanical jointed rodless cylinder does not guaranteetraveling parallelism. When accuracy in traveling parallelismand a middle position of stroke is required, please consultSMC.CautionHead coverSlide tableHead coverMounting2. When connecting to a load which has an externalguide mechanism, use a discrepancy absorptionmechanism.• Mechanically jointed rodless cylinders can be used with adirect load within the allowable range for each type of guide.Please note that careful alignment is necessary whenconnecting to a load having an external guide mechanism.Mount the external guide mounting brackets and floatingbrackets in a place where the required degree of freedom forthe floating Y and Z axes can be secured.The thrust transmission area of the floating bracket must befixed so that it does not partially contact the body.∗ Refer to the Coordinates and Moment in Model Selection onpage 947 for the details of floating Y and Z axes.3. Do not mount cylinders as they are twisted.When mounting, be sure for a cylinder tube not to be twisted.The flatness of the mounting surface is not appropriate, thecylinder tube is twisted, which may cause air leakage due tothe detachment of a seal belt, damage a dust seal band, andcause malfunctions.4. Do not mount a slide table on the fixed equipmentsurface.It may cause damage or malfunctions since an excessive loadis applied to the bearing.Cylinder tubeMounting with a slide table (slider)5. Consult SMC when mounting in a cantilevered way.Since the cylinder body deflects, it may cause malfunctions.Please consult SMC when using it this way.Slide tableCylinder tubeMounting in a cantilevered wayCautionMounting1. Do not apply strong impacts or excessive momentto the slide table (slider).• The slide table (slider) is supported by precision bearings(MY1C, MY1H) or resin bearings. Therefore, do not applystrong impacts or excessive moment, etc., when mountingworkpieces.6. Fixed parts of the cylinder on both ends must haveat least 5 mm of contact between where the bottomof the cylinder tube and the equipment surface.Head coverSlide tableCylinder tube5 mm or more 5 mm or more1054
Series MY1Specific Product Precautions 2Be sure to read before handling.Refer to front matters 54 and 55 for Safety Instructions and pages 3 to 11 for Actuatorand Auto Switch Precautions.CautionMounting7. Do not generate negative pressure in the cylindertube.Take precautions under operating conditions in whichnegative pressure is generated inside the cylinder by externalforces or inertial forces. Air leakage may occur due toseparation of the seal belt. Do not generate negative pressurein the cylinder by forcibly moving it with an external forceduring the trial operation or dropping it with self-weight underthe non-pressure state, etc. When the negative pressure isgenerated, slowly move the cylinder by hand and move thestroke back and forth. After doing so, if air leakage stilloccurs, please consult SMC.CautionHandling1. Do not unnecessarily alter the guide adjustmentsetting.• The adjustment of the guide is preset and does not requirereadjustment under normal operating conditions. Therefore,do not unnecessarily alter the guide adjustment setting.However, series other than the MY1H Series can bereadjusted and their bearings can be replaced.To perform these operations, refer to the bearingreplacement procedure given in the instruction manual.2. Do not get your hands caught during cylinderoperation.For the cylinder with a stroke adjusting unit, the spacebetween the slide table and stroke adjusting unit is very small,and your hands may get caught. When operating without aprotective cover, be careful not to get your hands caught.3. Avoid operation that causes negative pressureinside the cylinder.Take precautions under operating conditions in whichnegative pressure is increased inside the cylinder by externalforces or inertial forces. Air leakage may occur due toseparation of the seal belt.WarningService Life and Replacement Period of Shock AbsorberCautionOperating Environment1. Do not use in an environment where the cylinder isexposed to coolant, cutting oil, water drops, adhesiveforeign parti-cles, dust, etc. and avoid use withcompressed air containing drainage and foreignparticles.• Foreign matter or liquids on the cylinder , s interior orexterior can wash out the lubricating grease, which can leadto deterioration and damage of dust seal band and sealmaterials, causing a danger of malfunction.When operating in locations with exposure to water and oil,or in dusty locations, provide protection such as a cover toprevent direct contact with the cylinder, or mount so that thedust seal band surface faces downward, and operate withclean compressed air.2. Carry out cleaning and grease application suitablefor the operating environment.Carry out cleaning regularly when using in an operatingenvironment in which the product is likely to get dirty.After cleaning, be sure to apply grease to the top side of thecylinder tube and the rotating part of the dust seal band.Apply grease to these parts regularly even if not aftercleaning. Please consult SMC for the cleaning of the slidetable (slider) interior and grease application.1. Allowable operating cycle under the specificationsset in this catalog is shown below.1.2 million times2 million timesRB08RB10 to RB2725Note) Specified service life (suitable replacement period) is the value atroom temperature (20 to 25°C). The period may vary depending onthe temperature and other conditions. In some cases the absorbermay need to be replaced before the allowable operating cycleabove.MY1BMY1MMY1CMY1HMY1HTMY1WMY2CMY2HMY3AMY3BMY3M1055D--XIndividual-XTechnicaldata
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Mechanically Jointed Rodless Cylind
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Basic type MY1B104027Height 27 mm30
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MY1BSeriesBasic Typeø10, ø16, ø2
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MY1MSeriesSlide Bearing Guide Type
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MY1BMY1MMY1CMY1HMY1HTMY1WMY2CMY2HMY
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MY1CSeriesCam Follower Guide Typeø
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MY1B - SMC

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