Stober 1 Servo Gear Units

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KS Series: RIGHT ANGLE – Versatile Outputs KS Performance Overview KS Series performance is dependent on several factors including duty cycle, bearing design, gearhead size and stage configuration, among others. Use the chart below for preliminary evaluation, then use the following performance chart and selection information on the following pages for specific performance sizing and selection. Size/Generation KS40 KS50 KS70 # of Stages 2 3 2 3 2 3 Acceleration Torque M 2BMAX Nm 90 200 400 Output Torque Nom. 1) M 2N Nm 65 125 250 Torsional Stiffness C 2 Nm/arcmin ≤8.5 ≤17 ≤42 Torsional Backlash 2) Δφ Input Speed Max. n 1MAX Efficiency (@nom torque) Weight arcmin ≤6 ≤5 ≤4 Continuous Cyclic 4000 6000 M2NX = 4500 6000 M 2N 3 n 1 2000 3500 6000 4200 6000 3200 6000 4000 6000 % 95 93 95 93 95 93 kg lbs 8.4 18.5 Noise 3) dB(A) ≤65 ≤62 ≤63 Performance by Output Option (P = Shaft with Key; G = Shaft without Key; F = Flanged Hollow Output; S = Shrink Ring) 4) Size/Generation KS40 KS50 KS70 Axial Load Max. F 2AMAX F N 4000 6000 10,000 P/G N 3400 6000 10,000 S N 4000 6000 10,000 Radial Load Max. F 2RMAX P/G N 5000 8000 10,000 Tilting Moment Max. M 2KMAX F/S Nm 210 460 780 1) Ratings based on input speed (n 1 ) of 2000 RPM. For torque at higher input speeds (M 2NX ) solve the formula: where n 1 = Actual Input Speed. 2) Tested at 1.5% of nominal torque and recorded on the output side of the gearhead. For lower backlash, contact STOBER technical support. 3) Measurement at one (1) meter distance with input speed (n 1 ) of 2000 RPM. 8.2 18.1 4) Rating based on output speed (n 2 ) of 100 RPM. For values at other speeds see page 302. 13.6 30 14.4 31.8 26.8 59.1 28.1 62 KS Direction of Rotation Oil Reservoir Orientation Side 1 Side 2 For 3 stage units in vertical EL5 mounting position — not available with large input option When ordering, Side 1 or Side 2 MUST BE SPECIFIED. 300 Servo Gear Units V.28 800.711.3588 • www.stober.com
Overview KS Series Motor Mounting Plate Option (Motor information required with Motor Adapter ME option) STOBER Servo Gearheads fit the motor of your choice with the appropriate motor mounting plate assembled between the motor and the gearhead. NOTE: When ordering a gearhead: • Specify the motor manufacturer and part number • Provide the motor drawing with dimensions, or specify the motor mounting dimensions (per the list shown at right) For a precise dimension on a specific motor, or for general assistance, we recommend you contact STOBER Technical Support. Customer Required Dimensions for Properly Sized Motor Mounting Plate d2 b6 e6 s6 I5 f6 a6 Motor Shaft Diameter (If an adapter bushing is required it will be supplied with the motor plate.) Pilot Diameter I5 c s6 Bolt Circle Diameter Bolt Diameter Motor Shaft Length Pilot Length f6 a6 d2 e6 Square Flange (Optional – motor plate will typically be made to match this dimension.) b6 Motor Mounting Plate Dimensions — mm (Gearhead Part Number Specific) KS Mounting Position Options KS Units can be mounted in any of the positions illustrated below. When ordering KS units mounted in a vertical position (EL3) or in a horizontal position (EL5), the mounting position MUST BE SPECIFIED. NOTE: EL5 3 stage units are only available with the oil reservoir option. KS403 KS402 KS403...L KS503 KS402...L KS502 KS503...L KS703 KS502...L KS702 KS703...L Maximum Allowed Motor Shaft Dia. d2 14 19 24 32 38 Minimum Allowed Motor Plate Thickness c 15 18 21 24 25 * Note that the c motor plate thickness is determined by the motor shaft length. The minimum motor plate thickness is the value listed. KS Series Motor Mounting Plate Access Hole Access to the clamping screw for the motor coupling is located on the 270° side of the motor mounting plate at the location shown. If necessary, the motor mounting plate can be rotated in the field, if a 0°, 90° or 180° orientation for the access hole is desirable. 180° 270° 90° KS702...L 0° KS Series: RIGHT ANGLE – Versatile Outputs EL1 EL2 EL3 EL4 EL5 EL6 Must be Specified Must be Specified 800.711.3588 • www.stober.com Servo Gear Units V.28 301
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Servo Gear Units Geared to a higher
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Geared to a higher standard Conten
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Geared to a higher standard Servic
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Unique STOBER Quality and Design Fe
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Overview Selection At-a-Glance Righ
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Overview Selection At-a-Glance RIGH
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Gearhead Sizing to your Specific Ap
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Overview Selection Options At-a-Gla
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Overview P/PA Series Motor Mounting
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Overview P/PA No Load Running Torqu
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Selection Data P2 Exact Ratio (i) O
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Selection Data Exact Ratio (i) P/PA
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P9 Exact Ratio (i) Output Torque Mo
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Dimensional Data Large Input Option
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Overview Note: Overview data is gen
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Overview PH Series Permissible Moto
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Selection Data Exact Ratio (i) Outp
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Dimensional Data Table 1 Dimensions
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Overview Permissible Motor Tilting
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Dimensional Data PE with MAL Input
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Overview C40 C50 C61 C71 C81 C91 2
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Overview C Series Lubrication Maint
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Selection Data Reducer Ratio (i) No
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Dimensional Data SMS Reducer Option
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Overview F Series Motor Mounting Pl
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Overview Overhung Load Calculations
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Dimensional Data “V” Shaft Outp
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Dimensional Data “W” Double Bus
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Dimensional Data “A” Hollow Out
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Dimensional Data “S” Shrink Rin
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Overview K51 K61 K71 K81 K91 K101 3
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Overview K/KL Series Output Options
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Dimensional Data KL Series with “
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Dimensional Data Table 1 K Series U
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Dimensional Data Optional “F” R
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Overview PK Performance Overview PK
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Overview PKX/PK Series Motor Mounti
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Overview PKX/PK Output Bearing Opti
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Selection Data Exact Ratio (i) Nomi
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Dimensional Data PKX Series — Two
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Dimensional Data Motor Mounting Pla
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Page 313 and 314: Overview IP69K/STAINLESS STEEL KSS
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Page 317 and 318: Selection Data IP69K/STAINLESS STEE
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Page 327 and 328: Technical Reference C Series Solid
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Stober 1 Servo Gear Units

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