RT Fixed Rotary Index Tables

Indexing Accuracy in Angular Seconds (")

Axial Force on Output Flange Fa [kn]

Radial Force on Output Flange Fr [kn]

Tilting Moment on Output flange Mk[kNm]

Reinforced Tilting Moment Mk[kNm]

Axial Runout on Output Flange Ø [mm]

Runout on the output flange Ø [mm]

Precision in Angular Seconds (")*

Indexing Accuracy in Angular Seconds (") ±20

Axial Force on Output Flange Fa [kn] 50

Radial Force on Output Flange Fr [kn] 26

Tilting Moment on Output flange Mk[kNm] 10

Reinforced Tilting Moment Mk[kNm] 21

Axial Runout on Output Flange Ø [mm] 0.01

Runout on the output flange Ø [mm] 0.01

Precision in Angular Seconds (")* N/A

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Indexing Accuracy in Angular Seconds (") ±15

Axial Force on Output Flange Fa [kn] 84

Radial Force on Output Flange Fr [kn] 49

Tilting Moment on Output flange Mk[kNm] 22

Reinforced Tilting Moment Mk[kNm] 40

Axial Runout on Output Flange Ø [mm] 0.01

Runout on the output flange Ø [mm] 0.01

Precision in Angular Seconds (")* N/A

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Indexing Accuracy in Angular Seconds (") ±15

Axial Force on Output Flange Fa [kn] 145

Radial Force on Output Flange Fr [kn] 86

Tilting Moment on Output flange Mk[kNm] 41

Reinforced Tilting Moment Mk[kNm] 72

Axial Runout on Output Flange Ø [mm] 0.01

Runout on the output flange Ø [mm] 0.01

Precision in Angular Seconds (")* ±15

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Indexing Accuracy in Angular Seconds (") N/A

Axial Force on Output Flange Fa [kn] N/A

Radial Force on Output Flange Fr [kn] N/A

Tilting Moment on Output flange Mk[kNm] N/A

Reinforced Tilting Moment Mk[kNm] N/A

Axial Runout on Output Flange Ø [mm] N/A

Runout on the output flange Ø [mm] N/A

Precision in Angular Seconds (")* N/A

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Description

Resources

Advantages

Technical Benefits

Options Available

Industry Examples

Advantages

Rotary indexing tables offer multiple advantages to manufacturers, design engineers and special machine builders. Some of these advantages are:

Zero backlash cam indexing technology
Mechanical locking on dwell positioning
Extremely high station-to-station repeatability
Large center thru-hole to feed pneumatic, electrical and other lines
Numerous gear ratio possibilities allow for rightsizing indexers
Vibration-free station-to-station transfers
Clockwise or counter-clockwise oscillation capability
Easy synchronization of other mechanical devices
Ability to be used in any mounting position

Technical Benefits

Automating your manufacturing process leads to several benefits — improved productivity, personnel safety, shorter lead times and faster return on investment, just to name a few. Check out some of the technical benefits of having a high-performing rotary index table:

Extremely reliable: The fixed rotary index table is built to last for several years. It delivers consistent results, little to no errors and is cost-effective in the long run.
Power-saving: This index table is designed with high-efficiency mechanical components that require less input power.
Durable: Cams and followers on the rotary indexing tables are flame-hardened for extreme durability. It is ideal for long mechanical operations daily.
Self-lubricating: Internal components are immersed in an oil bath, allowing them to self-lubricate and reduce wear and friction. The oil bath also eliminates the need for frequent oiling and greasing, reducing downtime.
High precision: The rotary index drive works with accuracies of up to ±0.008 mm (0.0003″). This is beneficial for processes that require large volumes of products.
Maintenance-free: Most RT Series models are maintenance-free, further cutting down costs on repairs and losses from manufacturing delays.

Options Available

Motion Index Drives offers fully customizable rotary index tables. This ensures you get a machine that is most suitable for your manufacturing needs. Some of the additional options available for rotary index tables are:

Reinforced output flange bearing
Additional proximity switches or encoders
Custom index and dwell angles
Robot pedestals in the center of the indexer
Powder coating for housing
Special paint colors
Dial plates, machine bases, slip rings and air unions

Industry Examples

Aside from manufacturing, the rotary index table also benefits other industries such as:

Custom Solutions

Rotary Indexing Tables for Food Manufacturing

Challenge

Protect exposed steel from the cleaning agents that are used to sanitize food manufacturing equipment and completely seal the rotary index table units to prevent water or other chemicals from getting inside.

Solution: RT100 Rotary Indexing Table Unit for Food Manufacturing

Custom stainless-steel dial plate that has labyrinth sealing to cover the standard rotary table output dial
Input shafts made of stainless steel
Input shaft seals made of viton
Both prevent premature breakdown from cleaning agents.

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RT100 Rotary Indexing Table Unit for Food Manufacturing

Features

Fixed sixteen station cam indexer
Housing with a special powder coating
Custom stainless steel dials
IP66 rated SEW DAS series gear motor

Functionality

Our custom rotary index table was designed to withstand the challenges posed by automated food processes, such as exposure to cleaning agents and high acidity products. These tables are completely sealed to prevent water and chemical intrusion.

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Custom TDS212 Ten-Station Rotary Indexer

Features

Increased height allowed for direct mounting to the floor, simplifying installation and eliminating the need for additional support structures.
Large center hole and feedthroughs enabled seamless integration of utilities, cables, and hoses, improving the overall system design.
Precision mounting features such as tapped holes and precision dowel holes, enable easy installation of robotic risers, plates, and pick-and-place mechanisms, ensuring high accuracy in the customer’s automated processes.
Enclosed limit switch package and rugged construction ensured reliable, maintenance-free operation even in environments with high levels of debris and wear.
The rotary indexer is equipped with a 60-inch anodized MIC6 aluminum dial plate, custom-machined to the customer’s specifications.

Functionality

Motion Index Drives provided a highly flexible, durable, and efficient solution for their robotic and machining application. The custom design not only met the client’s requirements for direct floor mounting, precision robotic integration, and utility feedthroughs, but also ensured reliable long-term operation in challenging environments. This custom solution helped the customer streamline their production process and enhance overall system performance.

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RT400-Robot-Base_edited-per-River-City-1

Custom RT400/4/300 Rotary Index Drive with Integrated Robot Base for Explosion-Proof Environment

Features

- The explosion-proof drive system ensures safe operation in the hazardous spray environment, protecting both the system and personnel.
- By integrating the robot base into the indexer, the system allowed the robot to be mounted securely without additional steps for relocation or reprogramming. This simplified the setup and minimized downtime.
- The design’s multiple offset mounting locations allowed for greater flexibility, making the system adaptable to various applications and configurations.
- The use of an open-loop VFD controller for operation made the system intuitive to control, ensuring reliable performance with minimal operator intervention.

Functionality

Through customized engineering and a focus on safety, Motion Index Drives successfully met a customer’s requirements for an explosion-proof robotic spray application. By integrating the robot base directly into the RT400/4/300 Rotary Index Drive, the solution provided a secure, flexible, and easy-to-operate system that ensures both high performance and compliance with industry safety standards. The design’s simplicity and reliability ultimately enhanced the customer’s operational efficiency, making it a key solution for their production line in the explosion-proof environment.

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RT160 Programmable Indexing Rotary Table for Automotive Powertrain Inspection

Features

The RT160 model was selected based on its ability to meet the size, precision, and rigidity needs of the application. Its robust construction ensures zero backlash.
Positional accuracy of ±10 arc seconds to meet the stringent tolerances required for high-quality engine components.
The indexing system was designed to fit within the customer’s existing tooling and dial plate layout, ensuring seamless integration into their automated cell.

Functionality

The Automotive Powertrain Group required a high-precision indexing system to streamline their engine block inspection and machining process. The engine blocks are presented to an inspection station, where various machining processes, such as honing and deburring, are performed. The customer’s specific needs included high rigidity, zero backlash, and precise positional accuracy for each process. The system’s robust design, powered by the Allen Bradley servo motor and Kinetix drive, provided continuous, high-performance operation, reducing the need for frequent maintenance and increasing the system’s overall reliability.

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RT400 Auto-Lubrication System

Features

Automates lubrication of the top dial bearing as needed, ensuring smooth operation.
Eliminates the need for annual preventative maintenance.
It is delivered, mounted and plumbed so there is nothing required for assembly prior to operation.

Functionality

Motion Index Drives rotary index table auto lubrication system is an optional accessory for rotary index tables that require lubrication. This added feature is available for RT400 indexing tables or larger, as well as our programmable TMF Series. The system requires the customer to replace the grease cartridges yearly.

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RT Fixed Rotary Index Tables