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LOW BACKLASH PLANETARY GEARBOXES

LOW BACKLASH PLANETARY GEARBOXES
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LOW BACKLASH PLANETARY GEARBOXES

Product catalog summary
Introduction
This document provides a detailed overview of Reckon's low backlash planetary gearboxes, focusing on their precision and performance. These gearboxes are designed to minimize backlash, with some models offering less than 1 arc-minute.
Specifications and Features
The gearboxes feature high-precision, carburized, and quenched gears for superior performance and longevity. The PerfectPitchTM concept ensures silent operation and reliability. Balanced input coupling reduces vibration and protects motor shaft bearings.
Product Range
Reckon offers a variety of gearboxes, including 15 coaxial lines and 8 right-angle lines, with configurations from 5 Nm to 6216 Nm. Series include ACCESS, WISER, LIVELY, X-TREME, BOOSTER, and ULTIMATE, each with unique features and applications.
Technical Details
The document explains the planetary gearbox mechanism, including sun gear, planet gears, and ring gear interactions. It provides formulas for reduction ratios and discusses gear precision's role in minimizing backlash.
Performance and Efficiency
Reckon gearboxes are highly efficient, with single-stage models achieving up to 97% efficiency. Materials include forged steel and aluminum, with Sumico Japan Extreme Pressure Grease for lubrication.
Applications and Recommendations
Suitable for high-speed operations and food-grade environments, with special lubricants for specific conditions. Emphasizes selecting the right gearbox configuration for optimal performance.
Ordering and Assistance
Provides information on ordering references and assistance for selecting and purchasing the appropriate gearbox.
Technical Data
Includes torque capacities, speed ratings, and load limits for various models. Specifies nominal and peak torque values, emergency stop torque, and efficiency percentages.
Performance Parameters
Designed for high acceleration capacity, fast reversals, and high radial load ratings. Emphasizes stiffness and precision.
Material and Coating
Input flange made of anodized aluminum, with options for no coating or Capri blue coating. Protection class is IP 54, and maximum body temperature is 90°C.
Standards and Calculations
Based on ISO 6336-2 standard, considering life expectancy, speed, and internal temperature. Advises on torque capacity adjustments based on radial load increases.
Additional Notes
Includes diagrams and dimensions for different gearbox stages and ratios, indicating variations based on motor dimensions.
Specifications
Life expectancy calculated based on ISO 6336-2, with a life of 20,000 hours at nominal speed and 60°C internal temperature. Application factor is 1.25, and torque capacity decreases with increased radial load.
Procedures and Recommendations
Recommends using a maximum of 10% of the maximum radial load to maintain torque capacity. Using torque higher than rated may affect precision.
Design and Construction
Features carburized and quenched helical teeth for reliability and acceleration capacity. Designed for easy installation on AGV/AMR wheels using standard ISO dimensions.
Performance Ratings
Acceleration capacity, radial and axial load ratings, stiffness, precision, and economy are rated, with economy receiving the highest rating.
Additional Information
Includes diagrams and measurements for various models, indicating dimensions and installation requirements. Custom ratios available upon request.
Conclusion
Proper selection and usage of gearboxes, considering torque and efficiency, are essential for optimal performance and longevity. Assistance is available for product selection and lifetime estimation.
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Catalog excerpts

LOW BACKLASH PLANETARY GEARBOXES-1

LOW BACKLASH PLANETARY GEARBOXES

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LOW BACKLASH PLANETARY GEARBOXES-5

* Reckon offers 1 arc-min backlash from size 90 mm (depending on the ratio) to size 285 mm

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LOW BACKLASH PLANETARY GEARBOXES-7

INTRODUCTION…………………………………… 7 THE RECKON’S RANGE…………………… 11 IN-LINE GEARBOXES………………………… 12 SELECT LINES………………………………………13 ACCESS-CI…………………………………… 15 ACCESS-CI-RA…………………………… 24 ACCESS-FI…………………………………… 31 ACCESS-SQ………………………………… 40

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LOW BACKLASH PLANETARY GEARBOXES-8

How do planetary gearboxes work? The sun gear (1) rotates together with your motor shaft. It meshes simultaneously with 3 or more planet gears (2) The planet gears rotate simultaneously around the sun gear and inside the ring gear (3) > The reduction ratio between sun gear and planet gears is: Planet gears’ number of teeth (Z2) / Sun gear’s number of teeth (Z1) > The reduction ratio between the planet gears and the ring gear is : Ring gear’s number of teeth (Z3) / planet gears number of teeth (Z2) The planet gears rotate inside the ring gear the same direction your motor does. Since they are...

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LOW BACKLASH PLANETARY GEARBOXES-9

Quality-based performance All Reckon® planetary gearboxes feature the following elements: High-precision, carburized, quenched gears. Offering superior performance, long lifetime and everlasting precision even under tough working conditions. PerfectPitchTM concept* Offering silent operation and high reliability to your gearbox. Low backlash <1 arc-min backlash option available on most 1-stage models size 90 and above. Balanced input coupling Offers a strong grip, avoiding vibration and preserving your motor shaft bearings against radial efforts. Double-supported, caged planet carriers** Increasing...

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LOW BACKLASH PLANETARY GEARBOXES-10

THE RECKON® RANGE 15 coaxial lines. 8 right-angle lines. 23 configurations from 5 Nm rated to 6216 Nm rated

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IN-LINE GEARBOXES ECO LINES Servo-grade gearbox Straight, carburized Straight, carburized Straight, carburized Straight, carburized Number of size in the line Range of rated torques of the line 1 stage : !5 arc-min 2 stages : !8 arc-min 1 stage : !5 arc-min 2 stages : !8 arc-min 1 stage : !5 arc-min 2 stages : !8 arc-min Stainless steel shaft (with or without a key) Shaft (with or without a key) Shaft (with or without a key) Rotating flange Mounting interface (output side) 1 stage : ≤ 7 or 10 arc-min 2 stages : ≤ 10 or 13 arc-min 1 stage : ≤5 arc-min 2 stages : ≤8 arc-min Standard Angular precision...

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SELECT LINES HIGH PERFORMANCE LINES Helical, carburized Helical, carburized Helical, carburized Helical, carburized Helical, carburized Helical, carburized Helical, carburized ge : !5 arc-min ges : !8 arc-min ot available 1 stage : 97% stages : 94% tating flange 1 stage : !5 arc-min 2 stages : !8 arc-min 1 stage : !5 arc-min 2 stages : !8 arc-min 1 stage : !5 arc-min 2 stages : !5 arc-min 1 stage : !5 arc-min 2 stages : !5 arc-min 1 stage : !5 arc-min 2 stages : !5 arc-min 1 stage : !5 arc-min 2 stages : !5 arc-min 1 stage : !5 arc-min 2 stages : !5 arc-min 1 stage : !3 arc-min 2 stages : !5...

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LOW BACKLASH PLANETARY GEARBOXES-15

Acceleration capacity Fast reversals Radial load rating Axial load rating

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ACCESS-CI-ST_ Internal construction Carburized and quenched helical teeth provides, reliability and acceleration capacity. The caged planet carrier provides stiffness, reliability and acceleration capacity to the gearbox. The caged planet carrier prevents the planets from tilting.

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LOW BACKLASH PLANETARY GEARBOXES-17

The balanced coupling limits vibration and reduces loads on your motor shaft bearings. Easy and safe, 1-screw installation to your motor shaft.

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LOW BACKLASH PLANETARY GEARBOXES-18

ACCESS-CI-ST_Technical data *Using a torque higher than the rated torque may affect the gearbox precision. Others ratios are available upon request. 3 : 1 000 occurrences maximum. 4 : Speed at which the nominal torque is applicable 20,000 hours. 15 Calculation based on the ISO 6336-2 standard (life = 20,000 h, speed = nominal speed, internal temperature = 60°C, Application Factor = 1,25). : : Peak speed only. Using max 10% of middle of the outputTorque capacity decreases when the radial load increases. Please refer to the website for more information 6 : Applied at the the max radial load. shaft...

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LOW BACKLASH PLANETARY GEARBOXES-19

ACCESS-CIT-ST-050 - 1 STAGE - RATIOS 4 TO 10 FOR MOTOR SHAFT ACCESS-CI-ST-050-1 STAGE-UP TO Ø14 -RATIOS 4 TO 10 ≤ Ø14 ACCESS-CI-ST-050 - 2 STAGES-P - RATIOS 16 TO 100 FOR MOTOR SHAFT ≤ Ø14 *VARIES WITH YOUR MOTOR DIMENSIO

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LOW BACKLASH PLANETARY GEARBOXES-20

ACCESS-CI-ST-070- 1 STAGE - RATIOS 3 TO 10 FOR MOTOR SHAFT ≤Ø19 ACCESS-CI-ST-070-1 STAGE-UP TO Ø19 -RATIOS 3 TO 10 ACCESS-CI-ST-070- 2 STAGES-P - RATIOS 12 TO 100 FOR MOTOR -RATIOS 12 TO ≤ ACCESS-CI-ST-070-2 STAGES-UP TO Ø19SHAFT100 Ø19 *VARIES WITH YOUR MOTOR DIMENSIONS

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LOW BACKLASH PLANETARY GEARBOXES-21

ACCESS-CI-ST-090- 1 STAGE - RATIOS 3 TO 10 FOR MOTOR ≤ Ø24 ACCESS-CI-ST-090-1 STAGE-UP TO Ø24 -RATIOS 3 TO 10 ACCESS-CI-ST-090- 2 STAGES-P - RATIOS 12 TO 100 FOR MOTOR SHAFT ≤ Ø24 199.6* *VARIES WITH YOUR MOTOR DIMENS

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LOW BACKLASH PLANETARY GEARBOXES-22

ACCESS-CI-ST-120- 1 STAGE - RATIOS 3 TO 10 FOR MOTOR SHAFT ≤ Ø35 ACCESS-CI-ST-120- 2 STAGES-P - RATIOS 12 TO 100 FOR MOTOR SHAFT ≤ Ø35 *VARIES WITH YOUR MOTOR DIMENSIONS

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LOW BACKLASH PLANETARY GEARBOXES-24

ACCESS-CI-RA_ Internal construction Carburized and quenched helical teeth provides, reliability and acceleration capacity. The caged planet carrier provides stiffness, reliability and acceleration capacity to the gearbox. The caged planet carrier prevents the planets from tilting.

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