Introduction
Sankyo's Roller Drive Technology offers a flexible cam technology for various indexing applications. The AR/ServoDEX series combines mechanical roller gear technology with a programmable servo motor, providing superior output torque and positioning accuracy. The roller gear cam mechanism ensures rigidity and accuracy due to its no-backlash nature, allowing for higher output torque and larger load transfer.

Specifications
The AR/ServoDEX series features a roller gear indexer with internal reduction, low backlash planetary gear reducer, and customizable motor adapters. Optional components include Yaskawa Sigma II Servo Motor, motor driver, motion controller, and torque limiter.

Comparison of Positioning Mechanisms
The document compares various positioning mechanisms, highlighting the superior rigidity, torque capacity, and positioning accuracy of the Sankyo Roller Drive/Servo system.

Handling Procedures
Includes detailed instructions on mounting positions, oil capacities, and torque limiter specifications. The document provides example model codes and outlines the precautions for handling and installation.

Conclusion
The AR/ServoDEX series is a versatile solution for various applications, offering programmable output motions, high accuracy, and robust design. It is compatible with multiple servo motor manufacturers and provides options for custom configurations and torque limiting clutches.

Specifications Overview
The document provides detailed specifications for a series of servo indexers and related components. Key specifications include:

• Output and Input Torsional Rigidity: Output torsional rigidity is 6.2x10⁶ N•m/rad, and input torsional rigidity is 1.14x10⁵ N•m/rad.
• Moments of Inertia: Output moment of inertia is 0.635 Kg•m², and input moment of inertia is 0.136 Kg•m².
• Allowable Loads: Output allowable axial load is 27,000 N, and input allowable axial load is 6,000 N.
• Rated Torque and Speed: Output rated torque is 814.5 N•m, with a maximum torque of 2249.5 N•m. The rated rotating speed is 25 rpm.

Procedures and Recommendations
The document outlines procedures for model selection and handling:

• Model Selection: Involves calculating the mass moment of inertia and ensuring it is within allowable limits. The selection process also considers indexing time and maximum continuous output torque.
• Handling Procedures: Specific handling instructions for drives ranging from 400 to 3000W are provided, emphasizing the importance of correct model selection to ensure performance.

Standards and Norms
The document adheres to specific standards for motor voltage and phase, with standard motor voltage being 230/1-phase for certain models and 230/3-phase for others. It also specifies standard indexing accuracy at +/- 45 Arc sec.

Recommendations
Recommendations include consulting with a Sankyo Sales Engineer for model selection and ensuring that the calculated moment of inertia is less than the maximum allowable. The document also advises on the use of external gear reduction to achieve higher load capacities.

Figures and Tables
The document includes several figures and tables detailing dimensions, mounting positions, and torque limiter specifications. These visual aids provide additional clarity on the specifications and installation requirements.