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ACCURACY The accuracies of the Gonio Way RVF type are represented by mutual dimensional errors of four units, which are measured along the overall length using the procedure as shown in Figure H-36. Table H-15 Accuracy Mutual Error between A and B Part Number Mutual Error between C and D RVF2050-070 RVF2050-087 RVF2050-103 RVF2050-120 10 RVF3070-085 RVF3070-110 RVF3100-125 RVF3100-160 LIFE CALCULATION The life of an NB miniature slide table can be calculated using the following equations: Travel life: Life Time: L= 90 L: travel life (106round trips):rotating angle (degree) fT : temperature coefficientfw: load coefficient C: basic dynamic load (N)P: applied load (N) Refer to page Eng-5 for the coeffieients. To maximize the performance of NB's Gonio Way RVF type, it is important to finish the installation surface with high accuracies. Parallelism of plane 1 against plane A Perpendicularity of plane 2 against plane A Perpendicularity of plane 5 against plane A Parallelism of plane 3 against plane B Perpendicularity of plane 4 against plane B Perpendicularity of plane 6 against plane B Parallelism of plane 2 against plane C Parallelism of plane 4 against plane C Mutual error between the size of a and b fT fW C P Mutual Error between E and F Mutual Error between H and I ACCURACY OF MOUNTING SURFACE 10 3 10 H-55 Figure H-36 Measuring Method of Accuracy NB Mark Reference plane of B-curved tracking base Lh= L 10 60 n Lh: life time (hr) s: stroke length (m) n1: number of strokes per minute (cpm) 6 NB Mark Reference edge Reference plane of B-curved tracking base NB Mark NB Mark B D F I Reference plane of A-curved tracking base H Inside section E C Figure H-37 Accuracy of installation surface A C B 2 4 3 1.6 1.61.6 1.6 1.6 1.6 1.6 1 4 3 5 a 6 b A rotating angle Centerline SLIDE GUIDE BALL SPLINE ROTARY BALL SPLINE STROKE BALL SPLINE TOPBALL PRODUCTS SLIDE BUSH SLIDE UNIT STROKE BUSH SLIDEROTARYBUSH SLIDE SHAFT SLIDE WAY/GONIO WAY SLIDE TABLE MINIATURE SLIDE ACTUATOR SLIDE SCREW
INSTALLATION Figure H-38. Installation Example Installation Procedure Setting the curved tracking bases temporarily (1) Remove burrs, stains, and dust from the installation surface of the curved tracking bases of tables and beds. Foreign objects must be kept out of the assembly work as well. (2) Apply oil of low viscosity to contact surfaces, check the reference edges of an A-curved tracking base and bed, and then tighten the bolts temporarily. (Figure H-39) (3) Align the reference edges (NB mark side) of a Bcurved tracking base and an A-curved tracking base to the same orientation. Then, insert the curved roller cage between the curved tracking bases at the center area. Make sure that the curved roller cage will not interfere with the curved raceway grooves of the curved roller tracking bases. (Figure H-39b) (4) Check the reference edge of the table, set the table over the B-curved tracking base, and then secure the table temporarily. (Figure H-39c) Setting four curved tracking bases in parallel position (5) Move the table to the maximum stroke ends of both sides and adjust the setting so that the curved roller cage is positioned at the center of the curved tracking base. (6) Move the table to the center position and tighten the adjustment screw with slightly strong torque * by using a torque wrench. (Figure H-39d) * "Slightly strong torque" here means slightly stronger than the torque at which the oscillation of the test indicator is stabilized at the minimum value when the table is moved right and left, or when pressure is applied to the rolling direction while the test indicator is attached to the side face (reference side) of the table. (Figure H-40i) (7) Move the table to the maximum stroke end of one side and tighten the regulating screw on the curved roller cage with the same torque as in step (6). (Figure H-39e) H-56 Figure H-39. Installation Procedure (1) a Reference edge (NB mark side) b Reference edge (NB mark side) c d e f Position of the curved roller cage Reference edge of the bed Reference edge of the bed Reference edge of the table Reference edge of the bed Adjustment screw Position of the curved roller cage Position of the curved roller cage Adjustment screw can be tightened Adjustment screw should not be tightened
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NB Products are available from MARY
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Eng- 112 Tech- 17 INDEX- 18
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SLIDE GUIDE SEBS-B/BY P.A-26 SEBS-B
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BALL SPLINE SSP/SSPS P.B-16 SSPM P.
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SLIDE BUSH GM P.D- 12 GW P.D-120 SM
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SLIDE BUSH (Flange Type) SMFC P.D-
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SLIDE UNIT SWA P.E-38 SWJ P.E-40 SW
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SLIDE SHAFT SN P.G-6 SNS P.G-7 SNT
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INDEX AK Slide Unit : Compact Block
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SA Slide Unit : Shaft Support Rail
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SMS-G Slide Bush : Standard Type, A
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SW Slide Bush (Inch Standard) : Sta
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A-1 SLIDE GUIDE BALL SPLINE ROTARY
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Table A-1 Types miniature type high
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RIGIDITY AND PRE-LOAD The rolling e
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MOUNTING A-7 Slide guides have a h
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A-9 Mounting: In general, a slide
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When reference surface is not provi
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Figure A-23 Examples of Joined Guid
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Bellows Option (Series: GL or SGL)
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A-17 Calulcation method of length
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Simplified lubrication management A
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A-21 The SEB(S) type slide guides
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RATED LOAD The load rating for SEB(
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MOUNTING BOLTS Extremely small cust
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H b MR 0 -0.1 B P1 W 0 -0.05 C 4-S
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H b W MR 0 -0.1 Refer to page A-2
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H 1 H1 mm 2 2.6 4 4.7 5.5 7.5 9.5 1
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H 1 A-33 L2(with side-seal) L1(with
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TYPES SER-type slide guides are ava
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Figure A-48 Shoulder Shape-2 r1 r1
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Refer to page A-35 for a descriptio
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Refer to page A-35 for a descriptio
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BLOCK TYPES A-43 Six different typ
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Clean Operation A-45 Ball cushions
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MOUNTING A-47 As shown in Figure A
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H 1 T1 mm 5 6 6.5 9 8.5 1,240 1,36
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H 1 1 Refer to page A-43 for a desc
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H 1 T1 mm 9 8 13.5 12 15.5 20 1,24
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T1 mm 5 6 6.5 9 H 1 8.5 1,240 1,360
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T1 mm 5 6 6.5 9 8.5 H 1 1,240 1,360
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H 1 T1 mm 5 8 9.5 9 8.5 10 T greas
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BLOCK TYPES A-61 Six different typ
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MOUNTING Slide guides are generally
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H 1 1 Refer to page A-61 for a desc
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H 1 H1 mm 13.5 16 20 24 27.5 1,120
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H 1 H1 mm 13.5 16 20 24 27.5 36.5
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H 1 H1 mm 13.5 16 20 24 27.5 1,120
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H 1 H1 mm 13.5 16 20 24 27.5 1,120
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H 1 H1 mm 13.5 16 20 24 27.5 36.5
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ACCURACY A-77 Three accuracy grade
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GREASE FITTING A-79 A grease fitti
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6-S, D drill Refer to page A-77 fo
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The NB ball spline consists of a sp
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Table B-2 Types of Spline Nut type
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ACCURACY The NB ball spline is meas
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LIFE CALCULATION Because ball eleme
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Fit: A transition fit between an SS
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Mounting of SSPM Type Spline: Examp
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Mounting of SSPF Type Spline: Examp
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SSP TYPE Cylindrical Spline Nut p
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SSPM TYPE Keyless Spline Nut part
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SSPF TYPE Flange Type Nut part nu
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SSPT TYPE Two Side Cut Flange Type
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SPA TYPE Keyless Block Type part
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SPA-W TYPE Keyless Block Double Ty
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SSPB TYPE Block Type part number
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STANDARD BALL SPLINE part number st
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The NB rotary ball spline can be us
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PRE-LOAD AND CLEARANCE IN ROTATIONA
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OPERATING ENVIRONMENT Certain opera
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SPR TYPE part number structure exam
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The NB stroke ball spine SPLFS type
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PRE-LOAD AND CLEARANCE IN ROTATIONA
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SPLFS TYPE - Two Side Cut Flange Ty
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C-1 SLIDE GUIDE BALL SPLINE ROTARY
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TOPBALL TOPBALL unit closed type op
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Load coefficient (fw): When calcula
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Shaft and Housing: To optimize NB T
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mm 22.0 22.9 24.9 31.5 44.1 52.1 60
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120 inch .515 .703 1.032 1.112 1.2
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TKA-W TYPE Double-Wide Block Type
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TKE-W TYPE Double-Wide Open Block
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TKD-W TYPE Clearance Adjustable Do
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TWA-W TYPE Double-Wide Block Type
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TWJ-W TYPE Clearance Adjustable Do
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TWD-W TYPE Double-Wide Open Block
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The NB slide bush is a linear motio
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Table D-2 Types (2) standard type c
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SPECIFICATIONS Dimensional Series:
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Examples of Mounting methods are sh
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Notes on Installation: When inserti
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GM TYPE Single Type part number s
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GMF-W TYPE Round Flange Double-Wid
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GMK-W TYPE Square Flange Double-Wi
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GMT-W TYPE Two Side Cut Double-Wid
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GMF-W-E TYPE Round Flange Double-W
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GMK-W-E TYPE Square Flange Double-
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GMT-W-E TYPE Two Side Cut Double-W
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SM TYPE Standard Type This type i
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SM-AJ TYPE Clearance-Adjustable Ty
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SM-OP TYPE Open Type This type is
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SM-W TYPE Double-Wide Type This t
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SMF TYPE Round Flange Type This t
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SMK TYPE Square Flange Type This
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SMT TYPE Two Side Cut Flange Type
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SMF-E TYPE Round Flange Type with
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SMK-E TYPE Square Flange Type with
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SMT-E TYPE Two Side Cut Pilot End
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SMF-W TYPE Round Flange Double-Wid
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SMK-W TYPE Square Flange Double-Wi
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SMT-W TYPE Two Side Cut Double-Wid
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SMFC TYPE Center Mount Round Flang
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SMKC TYPE Center Mount Square Flan
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SMTC TYPE Two Side Cut Center Flan
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SMF-W-E TYPE Round Flange Double-W
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SMK-W-E TYPE Square Flange Double-
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SMT-W-E TYPE Two Side Cut Double-W
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TRF TYPE Triple-Wide Round Flange
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TRK TYPE Triple-Wide Square Flange
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TRFC TYPE Triple-Wide Intermediate
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TRKC TYPE Triple-Wide Intermediate
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TRF-E TYPE Triple-Wide Round Flang
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TRK-E TYPE Triple-Wide Square Flan
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KB TYPE Standard Type This type i
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KB-AJ TYPE Clearance Adjustable Ty
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KB-OP TYPE Open Type This type is
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KB-W TYPE Double-Wide Type This t
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KBF TYPE Round Flange Type This t
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KBK TYPE Square Flange Type This
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KBT TYPE Two Side Cut Flange Type
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KBF-W TYPE Round Flange Double-Wid
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KBK-W TYPE Square Flange Double-Wi
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KBFC TYPE Center Mount Round Flang
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KBKC TYPE Center Mount Square Flan
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SW TYPE Standard Type This type i
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SW-AJ TYPE Clearance Adjustable Ty
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SW-OP TYPE Open Type This type is
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SW-W TYPE Double-Wide Type This t
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SWF TYPE Round Flange Type This t
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SWK TYPE Square Flange Type This
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SWT TYPE Two Side Cut Flange Type
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SWF-W TYPE Round Flange Double-Wid
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SWK-W TYPE Square Flange Double-Wi
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SWFC TYPE Center Mount Round Flang
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SWKC TYPE Center Mount Square Flan
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GW TYPE Single Type part number s
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Table E-1 types A wide variety of
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Table E-3 metric series types shaht
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ACCURACY The accuracy of the SA typ
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SMA TYPE Block Type part number s
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SMA-W TYPE Double-Wide Block Type
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AK TYPE Compact Block Type part nu
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AK-W TYPE Double-Wide Compact Block
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SMB TYPE Block Type part number st
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SMP TYPE Pillow Block Type part n
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SMJ TYPE Clearance Adjustable Type
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SME TYPE Open Block Type part numb
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SME-W TYPE Double-wide Open Block T
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SMD TYPE Open Block with Clearance
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RB TYPE Resin Block Type part numb
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SH TYPE Shaft End Supporter (Cast
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E-32 part number structure example
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CE TYPE Non-Clearance Adjustable T
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CD TYPE Clearance Adjustable Type
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SWA TYPE Block Type (Inch Series)
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SWJ TYPE Clearance Adjustable Bloc
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SWD TYPE Open Block Type (Inch Se
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RBW TYPE Resin Block Type (Inch S
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WA TYPE Shaft Support Rail (Inch
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The NB stroke bush is a linear and
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F-4 SR TYPE SR 20 part number struc
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F-6 SR-B TYPE SR 20 part number str
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NB's Slide Rotary Series consists o
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Application Examples Application Ex
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SRE TYPE part number SRE
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SREK TYPE Square Flange type
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F-16 SLIDE ROTARY UNIT SMA-R TYPE B
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F-18 SLIDE ROTARY UNIT AK-R TYPE Co
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SLIDE ROTARY UNIT SMP-R TYPE Pillow
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NB's RK type slide rotary bush is a
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G-1 SLIDE GUIDE BALL SPLINE ROTARY
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SN/SNS/SNT Type (NB Shaft) P.G-6,7,
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The Geometrical moment of inertia (
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SNS TYPE NB Stainless Steel Shaft
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NB CENTER-LINED TAPPED SHAFT G-9 A
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SNWS TYPE NB Inch Stainless Steel
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SNWS-PD NB Inch Pre-Drilled Stainl
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MACHINING EXAMPLE NB can fabricate
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Shaft (spindle) Shaft (Quill) Pleas
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Please send drawing for quotation o
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NBs Slide Way NV and NVT types inco
Page 385 and 386: Figure H-5, Parallelism m 10 8 6 4
Page 387 and 388: MOUNTING NV TYPE Accuracy of mounti
Page 389 and 390: NV TYPE part number structure examp
Page 391 and 392: NVT TYPE part number structure exam
Page 393 and 394: The NB slide way is a non-recircula
Page 395 and 396: Example: Figure H-17 SV Type Slide
Page 397 and 398: SPECIAL BOLT (BT type) BT type spec
Page 399 and 400: SV TYPE SV1/SV2 part number struc
Page 405 and 406: SV TYPE SV12 part number structur
Page 407 and 408: SVW TYPE part number structure exam
Page 409 and 410: STROKE AND RATED LOAD When the stro
Page 411 and 412: The NB slide table is a precision t
Page 413 and 414: RATED LIFE The life of an NB slide
Page 415 and 416: H-34 SVT TYPE SVT1/SVT2 part numb
Page 421 and 422: SYT TYPE SYT1/SYT2 part number st
Page 423 and 424: SYT TYPE SYT3 part number structu
Page 425 and 426: SYT-D TYPE SYT1/SYT2 part number
Page 427 and 428: SYT-D TYPE SYT3 part number struc
Page 429 and 430: The NB miniature slide table SYBS t
Page 431 and 432: Mounting Shape of Mounting Surface
Page 433 and 434: SYBS TYPE part number structure exa
Page 435: Nippon Bearing's Gonio Way family h
Page 439 and 440: 2-AXES AND CUSTOM SPECIFICATIONS Wh
Page 441 and 442: RVF TYPE SVT6/SVT9 Part number co
Page 443 and 444: Suitable for Minute Motion: The fri
Page 445 and 446: MOUNTING Figure H-44 Example of Mou
Page 447 and 448: RV TYPE Gonio Way part number str
Page 449 and 450: CR TYPE (Standard Curved Roller Cag
Page 451 and 452: NB's BG type is a compact single ax
Page 453 and 454: PART NUMBER SYSTEM Part number for
Page 455 and 456: ALLOWABLE SPEED Allowable speed of
Page 457 and 458: INERTIA Inertia of the slide block
Page 459 and 460: ACCURACY Table I-7 shows accuracy o
Page 461 and 462: RATED LIFE To obtain the rated life
Page 463 and 464: A.1.c. PT for Vertical Move ) durin
Page 465 and 466: LUBRICATION BG type contains a lith
Page 467 and 468: BG20 Figures inside( ) indicates ma
Page 473 and 474: BG33 Exposed Bracket R0 34 4 14 1.
Page 475 and 476: RETURN PULLEY UNIT Return pulley un
Page 477 and 478: BG20 SENSOR Photo-sensor or proximi
Page 479 and 480: BG33 S Specification (Slim-Type Pho
Page 481 and 482: BG33 K Specification (Proximity Sen
Page 483 and 484: BG46 H Specification (Close Contact
Page 485 and 486: BG55 S Specification (Compact Photo
Page 487 and 488:
POSITIONING PIN HOLE For the BG typ
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BG46A,B For the two-block type, the
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BG20A,B -Without Top-Cover- 8 6 20
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BG26A,B -Without Top-Cover- 10 L1 5
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BG33C,D -Without Top-Cover- 8 6 33
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BG46C,D -Without Top-Cover- 13 9 73
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J-1 SLIDE GUIDE BALL SPLINE ROTARY
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SELECTION METHOD Required Thrust: T
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Sample Calculation: 1. Selecting a
Page 511 and 512:
SS TYPE part number structure examp
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DEFINITIONS AND INDICATIONS OF GEOM
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SQUARENESS Squareness assumes a com
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shaft dimensional tolerance diamete
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NB Products are available from MARY
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