RVW

RVW
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RVW

Product catalog summary
Introduction
Nabtesco Corporation is a leader in motion control technologies, offering high-precision components for industries such as construction, transportation, and robotics. Their products are crucial for the movement and stopping of various machinery and vehicles.
Product Overview: RVW® Series
The RVW® series combines Mecanum wheels with Precision Gear RVTM, designed for large Automated Guided Vehicles (AGVs). It is known for high load resistance and reliability, making it ideal for transporting heavy objects efficiently.
Applications
The RVW® series is utilized in machine transport, railroad maintenance, autonomous robots, and aerial platforms.
Advantages
  • High Durability: Optimized materials and structure ensure long-lasting performance.
  • High Payload: Supports heavy loads, simplifying AGV design.
  • Easy Installation: Compact design for efficient space use.
Operating Principle
Mecanum wheels enable AGVs to move omnidirectionally by controlling wheel rotation and speed, allowing precise navigation.
Specifications
Models include RVW-7PG, RVW-10PG, RVW-15PG, and RVW-20PG, each with specific capacities and dimensions, designed for high performance with minimal backlash.
Warranty
A one-year or 2,000-hour warranty covers design or manufacturing defects, excluding misuse or unauthorized modifications.
Company Background
Nabtesco was formed from a merger, enhancing expertise in hydraulic and motion control technologies.
Contact Information
Global support is available through offices in Europe, the Americas, China, India, and Japan.
Specifications and Dimensions
Detailed specifications for RVW models include dimensions for main units, motor flanges, and input shafts. Changes may occur without notice, and inquiries are advised for unlisted shapes.
Technical Information
Operating conditions include temperature, humidity, and altitude. Maintenance guidelines stress lubricant monitoring and temperature control.
Safety and Application
Compliance with safety standards is crucial, and products should be used as intended for mobile industrial vehicles or robots.
Glossary
Definitions for terms like self-propelled vehicle, allowable loading capacity, and no-load running torque are provided.
Product Selection Process
A flowchart assists in selecting models and motors based on conditions and compatibility, ensuring weight does not exceed capacity.
Overview
The document details technical specifications for optimizing AGV performance, focusing on speed and torque calculations.
Specifications
  • AGV Speed Components: Speed is analyzed using trigonometric functions.
  • Wheel Speed Calculations: Formulas for wheel speed based on AGV dimensions.
  • Motor Output Speed: Calculations ensure motor speeds remain within limits.
Procedures
  • Load Torque Calculations: Steps for calculating torque under various conditions.
  • Product Selection: Guidelines for selecting motors and gears based on torque and speed.
Standards and Recommendations
  • Installation Guidelines: Recommendations for gearhead and wheel installation.
  • Lubrication: Specifications for lubricant types and intervals.
  • Safety Measures: Measures to prevent excessive loads and ensure stability.
Key Data and Graphs
  • No-Load Running Torque: Graphs highlight the importance of specified lubricants.
Critical Information
  • Ensure motor and wheel speeds do not exceed limits.
  • Regular lubricant checks are essential.
  • Implement safety measures to prevent accidents.
Installation Guidelines
Proper installation ensures wheel stability and prevents damage.
Product Proposal
Nabtesco offers remote-controlled wagons with RVW® units, compatible with AGV/AMR manufacturers.
Troubleshooting
A checklist addresses issues like noise and vibration, focusing on installation, torque, and lubrication.
Warranty Information
The warranty covers design or manufacturing defects, excluding consumables unless defectively manufactured.
Applications of Nabtesco Technologies
Nabtesco's technologies are vital in sectors like construction, transportation, and robotics, providing essential movement and control components.
Contact Information
Contact details for global support are provided.
See more

Catalog excerpts

RVW-1

Precision Reduction Gear RV ™ AGV Drive Unit R VW RVW® Series

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RVW-2

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 robots. Co ns tru cti on ma ch ine ry Running motors and control valves start and stop...

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RVW-3

Who is Nabtesco? The key words for Nabtesco are ‘motion control'. We use our strengths in the fields 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 large share in various fields of both international and domestic markets. Nabtesco will continue to evolve by utilizing its strengths in many fields and by exploring the possibilities of the future. What is the RVW® series? Applications...

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RVW-4

An in-wheel drive unit ideal for large AGVs, combining high load resistance with high reliability This is achieved by utilizing the high-precision processing technology and assembly techniques of the Precision Reduction Gear RVTM, which can be found in industrial robots worldwide. Ideal solution- A Mecanum Wheel AGV Drive Unit This product integrates a Mecanum wheel and Precision Gear RV TM. Thrust load Built-in high-capacity main bearing. Ideal for supporting the thrust force acting on the Mecanum wheel. © 2020 Nabtesco Corporation. All rights reserved.

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RVW-5

Assembly and maintenance of railroad vehicles Autonomous mobile robot Transport of machines during assembly process All-direction lifter or aerial work platform © 2020 Nabtesco Corporation. All rights reserved.

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RVW-6

Advantages of RVW ® series Solving your AGV problems: RVW ® Series! High Durability Wheel durability test 10 Travel distance (ratio) A structure and materials optimized using CAE analysis and repeated testing ensure high durability Under a load of 250 kgf at a speed of 8 times more durable Initial development During Mass-produced improvement product approx. 8,000 km of travel (reference). High Quality We measure the rolling resistance coefficient* of every product and confirm that it is under the threshold before shipment. * he rolling resistance coefficient (Crr) is calculated T by subtracting...

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RVW-7

Solving your AGV problems: RVW ® Series! High Payload With Mecanum wheels, heavy objects can be easily transported! Mecanum wheel suitable for high loads Example (RVW-20PG) Loading capacity 2,500 kgf / Mecanum wheel Easy Installation Mecanum AGV assembly made simple! A unit product that can easily be incorporated into the frame Example: Conventional product Example: Nabtesco drive unit Making compact AGV design possible! Uses an in-wheel structure. Example: Conventional product Example: Nabtesco drive unit © 2020 Nabtesco Corporation. All rights reserved.

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RVW-8

Advantages of Mecanum wheel Traveling in all directions and accurate positioning Mecanum AGV can travel smoothly in all directions and change direction freely. Moving into narrow spaces and accurate positioning are possible. It is suitable for applications that require transport within less space and accurate positioning. Efficient use of inner space of the AGV Mecanum wheel AGV can travel in all directions without changing the direction of the wheels. As a result, a large space for placing batteries and control devices is available around the wheels and motors, allowing more efficient use of...

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RVW-9

Controlling the rotation direction and speed of the four Mecanum wheels makes it possible to move the AGV freely. The relationship between the wheel rotation direction and AGV traveling direction is described by the figures shown below. The following figures show the vehicle status when viewed from the top. © 2020 Nabtesco Corporation. All rights reserved.

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RVW-10

Specifications, External Dimensions © 2020 Nabtesco Corporation. All rights reserved.

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RVW-11

Notes: 1. Product series code W (wheel) does not include the “ratio code”, “motor flange code”, and “input shaft code”. 2. Product series code W (wheel) indicates spare parts, and they are not sold separately except as spare parts. Two types, gearhead (G) and wheel (W), are available for this product as shown by the product series code (G, W). Hexagon socket head cap screw Serrated lock washer Reduction Input shaft gear (input spline or input gear) Motor flange Torsion code There are two types of barrel orientations, left torsion (L) and right torsion (R), as shown by the torsion code (L, R)....

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RVW-12

*1 Performance of the reduction gear unit. *2 Subject to change depending on motor. Note: I t is recommended that the total weight of the vehicle and load is kept to “less than three-fourths of the allowable loading capacity per wheel multiplied by the number of incorporated wheels” after taking variations in load distribution coming from road surface conditions into consideration. External dimensions Model *1 Subject to change depending on motor. © 2020 Nabtesco Corporation. All rights reserved.

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RVW-13

i w 5fl « Specifications and dimensions are subject to change without notice. © 2020 Nabtesco Corporation. All rights reserved.

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RVW-14

Specifications and dimensions are subject to change without notice. © 2020 Nabtesco Corporation. All rights reserved.

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RVW-15

Motor Flange Dimension SECTIDN Z-Z NDTE l://////o.re<x is painted black, Motor Flange Dimension =e —Dimensions (mm) a ib l.jgg =jjfe \ZwCt. NDTE l’//////o.Y'eo. is painted black, Please contact us for shapes not listed above.DJ 13 © 2020 Nabtesco Corporation. All rights reserved.

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All Nabtesco Precision Europe catalogs and technical brochures

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  2. RD-2

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  3. RA

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  4. RS

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  5. RV

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  6. RV-N

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  7. Neco®

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  8. GH

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.