RV-N Series - 60 Pages

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RV-N Series
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Catalogue excerpts

High Reliability  High Rigidity High Precision Gear Reducers

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Contributing to society with our ‘Moving it. Stopping it.’ technologies Nabtesco's technologies supporting society Nabtesco manufactures products which are used in everyday life. Our high-accuracy components are essential for moving objects; they may be rarely visible, but are the foundation of everyday objects that you see moving and wonder how. Nabtesco’s technologies are found throughout objects that move and stop people’ s lives. Do or s Ro bo ts Precision reduction gears precisely move and stop industrial Nabtesco technology opens and closes automatic doors in buildings and platform doors...

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CONTENTS Who is Nabtesco? The key words for Nabtesco are ‘motion control’. We use our strengths in the elds of component and systems technologies to develop highly creative products. Through the Nabtesco Group as a whole, we can also utilize our advantage of expertise to maximum effect in order to further enhance these strengths. In the air, on land and at sea, we have a leading share in various elds of both international and domestic markets. Nabtesco will continue to evolve by utilizing its strengths in many elds and by exploring the possibilities of the future. Examples of uses for the RV N...

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RVTM precision reduction gears, already top sellers in the robotics industry, now evolved even further!! Compact N Series gears 60% share of the global market for industrial (verticaldeliver great potential!! articulated) robot joints * Based on Nabtesco studies Based on our RV precision reduction gears which achieve 5 million units already shipped, the new RV N have been made even more compact and lightweight.

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(Compared with our existing products) [Compared with our existing products) External dimensions Model size comparison Allowable moment (Nm) 1,666 J||Q 53^ ^$\Q perfOriliailCe Space-saving design for a wide range of uses Robotics Machine tools Food industry Energy Semiconductors Med core Transportation "■¥•*«/

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Examples of uses for the RV N SERIES TM Vertical-articulated robot (joint shaft) SCARA robot Machine tool (turret of lathe) Machine tool ATC magazine

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Glass substrate/wafer rotation and positioning Positioning turntable Cover open/close and reverser Medical device

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Principle of speed reduction The RV is a 2-stage precision reduction gear. Spur gear reduction • An input gear engages with and rotates spur gears that are coupled to crankshafts. Several overall gear ratios can be provided by selecting various first stage ratios. Epicyclic gear reduction • Crankshafts driven by the spur gears cause an eccentric motion of two epicyclic gears called RV gears that are offset 180 degrees from one another to provide a balanced load. • The eccentric motion of the RV gears causes engagement of the cycloidal shaped gear teeth with cylindrically shaped pins located around...

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RV N SERIES model code TM Product code RV - 100 N - 102.17 - A Model code Frame number Series code Ratio code Input gear code A: Standard gear A B: Standard gear B Z : No gear Direction of rotation and gear ratio The overall speed ratio i (of the First and Second reduction stages) will differ between shaft rotation and case rotation, and can be calculated from the speed ratio. Shaft rotation Case rotation Output Output The sign “i” in the above equations signies the speed reduction ratio of the output shaft rotation to the input shaft rotation. “+” signies the output shaft rotation in the same...

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Rating table Output speed (rpm) Speed ratio Ratio code Shaft rotation Case rotation 25 Output torque (Nm) / input capacity (kW) Note: 1. The allowable output speed will differ depending upon the duty ratio, load, and ambient temperature. Contact us regarding use above the allowable output speed Ns1 with a 40% duty ratio. 2. The input capacity (kW) is calculated according to the following calculation formula: 2π∙N∙T N: Output speed (rpm) T : Output torque (Nm) η =70: Reduction gear efciency (%) Note: Input capacity is just a reference based on the above calculation. 3. When the reduction gear is...

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S0 S1 T0 K N0 Allowable Momentary Rated torque Rated output Rated service acceleration/ maximum Allowable Output Allowable Output Speed (Note 1) Speed (Note 1) deceleration allowable (Note 7) Speed life Duty ratio: 100% Duty ratio: 40% torque torque Lost motion Angular transmission error (Max.) (arc.min.) (arc.min.) (arc.sec.) Startup efciency (Typical value) Allowable moment (Note 4) Momentary Reduced value of the allowable inertia moment for the moment (Max.) input shaft (Note 5) Note: 4. The allowable moment will differ depending on the thrust load. Check the allowable moment diagram (p. 33)....

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Specications and dimensions are subject to change without notice. External dimensions

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Specications and dimensions are subject to change without notice.

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Specications and dimensions are subject to change without notice.

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Specications and dimensions are subject to change without notice.

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Specications and dimensions are subject to change without notice.

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Specications and dimensions are subject to change without notice.

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Specications and dimensions are subject to change without notice.

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Specications and dimensions are subject to change without notice. *Contact us for more information on this model.

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Specications and dimensions are subject to change without notice.

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Specications and dimensions are subject to change without notice.

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Technical Information

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This product features high precision and high rigidity, however, it is necessary to strictly comply with various restrictions and make appropriate to maximize the product’s features. Please read this technical document thoroughly and select and adopt an appropriate model based on the actual operating environment, method, and conditions at your facility. Export • When this product is exported from Japan, it may be subject to the export regulations provided in the “Foreign Exchange Order and Export Trade Control Order”. Be sure to take sufcient precautions and perform the required export procedures...

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All Nabtesco Precision Europe catalogues and technical brochures

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  5. RV-Gears

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  6. RD2-Gears

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  7. GH-Gears

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  8. RD-Gears

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  9. RA-Gears

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  10. Catalogue

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