Tsubaki Power Lock Inch Series

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U.S. TSUBAKI POWER-LOCK ®Technical NotesSelection Guide andProcedure . . . . . . . . . . . . . . . . . . . .D-86 ~ D-90(1) Maximum Torque and Maximum Thrust(2) Selection by Series• AS, AD, ADN, AE, FL, KE, RE, EF, TF Series• SL Series• EL SeriesInstallation andRemoval . . . . . . . . . . . . . . . . . . . . . .D-91 ~ D-94• AS, AD, ADN, AE, FL, KE, TF, EF Series• AS-SS, KE-SS, RE-SS, SL Series• EL SeriesPrecautions. . . . . . . . . . . . . . . . . .D-95 ~ D-961. Installing to Keyed Shafts2. Installation Accuracy3. Hub’s Outer Diameter Deformation4. Ambient Temperature5. Allowable Deviation of Tightening Torque MA6. Hub Movement7. Assembly Lubrication8. Bending Moment9. Outdoor UseNote:AD series is referred to as ADN and AD-N in other parts of theworld. All three describe an identical product.More information at www.ustsubaki.com68
Technical NotesSELECTION GUIDE AND PROCEDURETsubaki: The solution for shaft locking devices(1) Maximum Torque andMaximum ThrustCalculate maximum torque and thrust based on transmissiblecapacity and safety factor.When using POWER-LOCKs for servo motor or steppingmotor applications, use a safety factor greater than 1 forevery maximum or peak torque.TorqueT max. =5252 • HP • sfn(ft./lbs.)n: RPM sf : Safety Factor(2) Selection by SeriesAS, AD, ADN, AE, FL, KE, RE, EF, TF SeriesSTEP 1(1) Material StrengthLarge contact pressure applies to both the shaft and hubduring installation.Select shaft and hub materials that meet the followingstrength requirements.σ0.2S≧K2×PShaft and Hubσ0.2B≧K2×ṔP : Contact pressure on the shaftP´ : Contact pressure on the hubσ0.2S : Yield point of shaft materialσ0.2B : Yield point of hub materialK2 : Series coefficient (Table 2)If torque and thrust apply simultaneously:Calculate and compare the total load MR with the ratedtransmissible torque Mt.(2) Hub Outer DiameterRefer to the Hub Diameters table provided for each series.If none of the materials listed apply, calculate the minimumhub diameter using the following formula.Compare the Tmax or MR obtained from the above calculationwith the catalog rated transmissible torque Mt.Mt≧ Tmax or MR → AcceptableMt< Tmax or MR → Use larger or multiple units.*Installing multiple units is possible for some series. Wheninstalling more than one unit, multiply the Mt value withthe appropriate multiplying ratio given below.DN : Hub outer diameterD : Hub inner diameterP´ : Hub contact pressureσ0.2B : Yield point of hub materialK3: Hub configuration coefficient(Refer to the appropriate Hub Diameters table.)Note:AD series is referred to as ADN and AD-N in other parts of theworld. All three describe an identical product.69More information at www.ustsubaki.com
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Tsubaki: The solution for shaft loc
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Tsubaki: The solution for shaft loc
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U.S. TSUBAKI POWER-LOCK ®Applicati
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U.S. TSUBAKI POWER-LOCK ®Applicati
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U.S. TSUBAKI POWER-LOCK ®AS Inch S
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U.S. TSUBAKI POWER-LOCK ®AS Metric
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Page 62 and 63: U.S. TSUBAKI POWER-LOCK ®EL Series
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Page 80 and 81: NOTESMore information at www.ustsub
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Tsubaki Power Lock Inch Series

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