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Precision Module PSK 40The Drive & Control Company

2 Bosch Rexroth Corporation Precision Module PSK 40 8981 500 363 6/07Linear Motion and Assembly TechnologiesBall Rail Systems Roller Rail Systems Linear Bushings and ShaftsBall Screw Drives Linear Motion Systems Basic Mechanical ElementsManual Production Systems Assembly Conveyors VarioFlow Conveyors

Precision Module PSK 40 8981 500 363 6/07Bosch Rexroth Corporation3Precision Module PSK40Technical Data 4Accuracy 8Design Calculations 9Components and Ordering 10Lengths and Hole Spacing 12Dimension Drawings 13Motor Drawings 15

4 Bosch Rexroth CorporationPrecision Module PSK 40 8981 500 363 6/07Technical DataDynamic CharacteristicsPrecision Module Carriage length Guideway Ball screw Fixed bearingType ofDynamic load Dynamic Moments Size Dyn. load Dyn. loadcoverNo. ofcarriagescapacity C(N)M t(Nm)M L(Nm)d 0x P capacity C(N)capacity C(N)PSK 40 w/o and standard 1 3 065 43.1 14.8 6 x 1 900 820plate2 4 980 70.0 2.49 x l m6 x 2 890 820General Technical DataPrecisionmodulePlanar momentof inertiaCarriageMin. c-to-cdistanceJ yJ zwithoutcover,Mass (kg)withoutcover,with drivewith coverplate0.0028 · L 0.0030 · Lwithout drive(cm 4 ) (cm 4 ) (mm)PSK 40 0.892 6.65 50 0.0026 · L+ m b+ 0.075 + m b+ 0.089 + m bl m= Center-to-center distance between carriages (mm)d 0= Ball screw diameter (mm)P = Lead (mm)yzzyMassMass calculation does not include motoror switches.Mass formula:Mass (kg/mm) · length L (mm)+ mass of all fixed length parts (kg)+ moved mass m b(kg)Modulus of elasticity E E = 210 000 N/mm 2

Precision Module PSK 40 8981 500 363 6/07Bosch Rexroth Corporation5M tCCCCM LM LI mwith one carriagewith two carriagesl m= center-to-center distance between carriagesNotes on dynamic loadcapacities and momentsThe dynamic load capacities andmoments are based on 100,000 mtravel.However, a travel of just 50,000 m isoften taken as a basis.If this is the case, for comparisonpurposes:Multiply value C, Mt and M L from theRexroth table by 1.26.Maximum permissible loadsThe maximum permissible forces andmoments are equal to half thedynamic characteristics (C, Mt, M ).LRecommended Loadand Life expectancyWith regard to desired life expectancy, generallyrecommended load capacities to 20% of thedynamic values (C, Mt, M L ) are reasonable,however the following must not be exceeded:- maximum load capacities- maximum drive torques- maximum speedsMoved mass m bPrecision Carriage versionMoved mass m b(kg)modulewithout cover,without drivewithout cover,with drivewith cover plate1 2 1 2 1 2PSK 40 Steel Standard 0.08 0.17 0.09 0.18 0.14 0.28

6 Bosch Rexroth Corporation Precision Module PSK 40 8981 500 363 6/07Technical DataMaximum permissibledrive torque Mper0.300.25KGT 6x2PSK 40The M per values shown apply in thefollowing conditions:– Horizontal operation– No radial load on ball screw journalM per (Nm)0.200.150.106x1Observe the rated torque of coupling used!0.050.00100 150 200 250 300 350L (mm)Permissable velocity vObserve the motor speed!perv per= Permissible speed (m/min)L = PSK length (mm)KGT = Ball screw drive size: d 0x Pd 0= Ball screw diameter (mm)P = Lead (mm)v per (m/min)302520151050100PSK 40KGT 6x26x1150 200 250 300 350L(mm)MotordatenAC-Servo motors for ECODRIVE CsMSM 020BNominal torque M MNNm 0.32Maximum torque M MmaxNm 0.95Maximum effective speed n Mmaxmin –1 3000Rotor moment of inertia w/o brake J M10 –6 kgm 2 3.2Mass w/o brake m Mkg 0.5BrakeMoment of inertia M BrNm 0.29Braking moment of inertia J Br10 –6 kgm 2 0.4Brake mass m Brkg 0.2

Precision Module PSK 40 8981 500 363 6/07Bosch Rexroth Corporation7Friction moment M at motor journalRPrecision moduleBall screw sized 0x PFriction moment MR(Nm) for carriage versionwithout cover or with cover plate1 or 2 carriage(s)StandardPSK 40 6 x 1 0.0336 x 2 0.034d 0= Shaft diameter (mm)P = Pitch (mm)Mass moment of inertia J for system with external loadSJ S= [k 1+ k 2· L + k 3(m b+ m fr)] · 10 –6J S= Mass moment of inertia forsystem with external load (kgm 2 )k 1, k 2, k 3= Constants, (see table)m b= Moved mass (kg)(seeTechnical Data)m fr= External load (kg)L = Length of PSK module (mm)Precision moduleBall screw sizeConstantsfor mass moment of inertiad 0x P k 1k 2k 3PSK 40 6 x 1 0.1125 0.002 0.02536 x 2 0.1125 0.002 0.1013Coupling dataPrecision modulefor motorattachmentRated torqueCoupling dataMass momentof inertiaMassNm 10 –6 kgm 2 kgPSK 40 MSM 020B 0.70 0.12 0.015

8 Bosch Rexroth Corporation Precision Module PSK 40 8981 500 363 6/07AccuracyGeneral NoteAll accuracy figures apply to the modulewhen screwed down and assume anideally flat mounting base. The figures donot take account of any shape deviationsin the mounting base surface.Accuracy P 1II P 318Measured at the carriage center161412II P 110864121020100Accuracy P 318161486420reference edge100200 300 400 500 600 700 800 900L(mm)200 300 400 500 600 700 800 900L(mm)Ball screw AccuracyAll Rexroth precision modules have aball screw accuracy of T7.

Precision Module PSK 40 8981 500 363 6/07Bosch Rexroth Corporation9Precision Module PSK 40 Design Calculations

10 Bosch Rexroth Corporation Precision Module PSK 40 8981 500 363 6/07Precision Module PSK 40 Components and Ordering dataPart number, lengthR1465 100 00, .... mmGuideway Drive unit Carriage(steel)Reference edge (AK)Screw Ball screw drive without cover Cover platejournal d 0x PVersions Standard StandardAK left AK right 6 x 1 6 x 2 1 2 1 2OA01without drivewith ball screwwithout flangeOF01OF02OA01OF01OF02L = 100 mm10L = 150 mm12L = 200 mm14L = 250 mm16without 50 01 02 – –Ø4 01 02 01 02 21 22with ball screw -& integrated flangeMF10MF11MF10MF11L = 300 mm18L = 350 mm20Ø4 30 31 01 02 21 22 Please ensure that your chosen combination is permissible.KGT = Ball screw drive(Dynamic Load Ratings, Moments, Maximum Speed, Motor Data etc.)d 0= Ball screw diameter (mm)P = Lead (mm)L = Length

Precision Module PSK 40 8981 500 363 6/07Bosch Rexroth Corporation11Motor attachment Motor Cover 1st, 2nd 3rd switch DocumentationAttachment for Motor withkit 1) BrakewithoutBrakewithoutcoverplatecoverplateStandardreportMeasurementreport00 – 00 00 –without switchand cable duct0002Frictionmoment00 – 00 00 01Switch type:– REED-Sensor– HALL-Sensor21-... 3)22-... 3)Cable duct 270103Leaddeviation04Runningaccuracy30 NEMA 14-C 2) 0031 NEMA 17-C 2) 0032 NEMA 17-D 2) 0000 01Switching cam for PSK:– without coverwikth cover plate3505Positioningaccuracy34 MSM 020B 69 681)2)3)Attachment kit can also be supplied withoutmotor (enter “00” for motor on order form).Use Motors with a corresponding NEMA-Specification.Switches may be mounted on the left (L)or right (R) side of the Precision Module(not on both sides simultaneously).Switch MountingCable duct is needed toattach the switches.Left (L)Right (R)

12 Bosch Rexroth Corporation Precision Module PSK 40 8981 500 363 6/07Precision Module PSK 40Lengths and Hole Spacingfor ISO 4762l mT 1TN x T = ZL(T 1 )Length LCover No. of carriages CarriageStandardwithout over and 1 carriage L = (stroke + 2 · excess travel) + 55 mmwith cover plate2 carriages L = (stroke + 2 · excess travel) + l m+ 55 mml m min= 50 mmI m= center-to-center distance betweencarriages (observe l m min)Stroke = Maximum travel of carriagecenter between the outermostswitch activation points.In most cases the recommended limitfor excess travel (braking path) is:Excess travel = 2 · Lead PExampleBall screw drive 6 x 2(Ball screw size = d 0x P):Excess travel = 2 · 2 = 4 mmPreferred frame lengthsLength LmmTmmT 1mmNZmm100 60 20 1 60150 60 15 2 120200 60 40 2 120250 60 35 3 180300 60 30 4 240350 60 25 5 300Fixing holefor screws ISO 4762M3

Precision Module PSK 40 8981 500 363 6/07Bosch Rexroth Corporation13Precision Module PSK 40Dimension Drawings without CoverAll dimensions in mmDiagrams todifferent scalesØ4 h7L/2excessmax. travel /2travel effective stroke /2max. travel /2effective stroke /2excesstravel24.512.519.510 20T 1T = 60(T 1 ) 10N x 60 = ZLVersion:One or two carriages,standard lengthlube portA19l m min= 50Ø3 H7 –5 deep (2x)M3–4.5 deep (4x)5203247.526.81817.720318Adriven carriageØ19 H7 –1.6 deepA-A1824M3–6 deep (4x)reference edge18Ø3.4Ø61,.640

14 Bosch Rexroth Corporation Precision Module PSK 40 8981 500 363 6/07Precision Module PSK 40Dimension Drawings with CoverAll dimensions in mmDiagrams todifferent scalesexcesstravelL/2max. travel /2one-point lubrication (grease) at thefunnel-type lube nipplesmax. travel /2effective stroke /2DIN 3405-D3effective stroke /28 on both sides8excesstravel31.224.512.519.531.2Ø4 h710 20T 1T = 60(T 1 ) 10N x 60 = ZLVersion:One or two carriages,standard lengthA19l m min= 50Ø3 H7 –6 deep (2x)M4–12 deep (4x)204652371817.7203245Adriven carriageØ19 H7 –1.6 deepA-A1824M3–6 deep (4x)reference edge18Ø3.4Ø61.640

Precision Module PSK 40 8981 500 363 6/07Bosch Rexroth Corporation15Precision Module PSK 40Version OF01 and OF02Version MF10 and MF11Motor DrawingsIntegrated flange (NEMA 14 – Form C)1,67Ø4 h7Ø3,3Ø19 H7Ø4 h7102012.5Ø22 H73Ø1984918.545Ø36.835Version MF10 and MF11Version MF10 and MF11Integrated flange (NEMA 17 – Form C) Integrated flange (NEMA 17 – Form D)10Ø3.3Ø22 H7Ø19Ø22 H7Ø19Ø4 h745Ø4 h745M3–8 deep38Ø43.818.549 433818.5 Ø50.849 43Version MF10 and MF11Motor with integrated flange and couplingCable outletDMotorMass (mm)L ML FD L FL MwithoutbrakewithbrakeMSM 020B 42 60 109 140Diagrams to different scales!

Bosch Rexroth CorporationLinear Motion andAssembly Technologies14001 South Lakes DriveCharlotte, NC 28273Telephone (800) 438-5983Facsimile (704) 583-0523www.boschrexroth-us.comBosch Rexroth CorporationCorporate Headquarters5150 Prairie Stone ParkwayHoffman Estates, IL 60192-3707Telephone (847) 645-3600Facsimile (847) 645-6201Bosch Rexroth CorporationIndustrial Hydraulics2315 City Line RoadBethlehem, PA 18017-2131Telephone (610) 694-8300Facsimile (610) 694-8467Bosch Rexroth CorporationElectric Drives and Controls5150 Prairie Stone ParkwayHoffman Estates, IL 60192-3707Telephone (847) 645-3600Facsimile (847) 645-6201Bosch Rexroth CorporationPneumatics1953 Mercer RoadLexington, KY 40511-1021Telephone (859) 254-8031Facsimile (859) 281-3491Bosch Rexroth CorporationMobile Hydraulics1700 Old Mansfield RoadWooster, OH 44691-0394Telephone (330) 263-3300Facsimile (330) 263-3333Printed in the United States8981 500 363 6/07