Posts Tagged 'Planetary Gearbox'

GAM Launches a New Gearbox Sizing Tool

GAM’s new Sizing Tool makes it easy to find the right gear reducer, coupling, or linear mount product compatible with your motor.  Simply select your motor, adjust the ratings based on the application, and narrow down the products that match.

Gam Gearbox Sizing Tool

Gam Gearbox Sizing Tool

Over 9,000 of the most popular servomotors on the market are available for selection.  After choosing a motor, easily narrow down the list of matching products by filtering attributes. 

Other notable highlights of the sizing tool give users the ability to adjust the continuous and peak torque values of the motor based on the actual performance requirements to ensure accurate sizing and a side-by-side product comparison function.  Once a product has been sized, you can get a personalized specification page with instant access to everything you need for your design including:  

*     CAD models tailored to the specific motor available for download
*     Detailed product information
*     .PDF versions of the catalog or individual catalog sections
*     Recommended complimentary products
*     Quick RFQ and online ordering options


Watch the Tutorial

Try Gam’s New Sizing Tool now at the link below.


Tags:  Gam Gear, Gam, Electromate, Planetary Gearbox, Planetary Gearhead, Sizing Software, Sizing Tool, Inline Gearhead, Inline Gearbox, Right Angle Gearbox, Right Angle Gearhead

Gearing Products Primer

Gearing products (components or housed gearboxes) are mechanical devices used to increase the output torque or change the speed (RPM) of a motor.  They are also used for inertia matching between a load and a motor.   The most common type of gearing product is a gearbox (or housed gearhead).

Most gearboxes are constructed from steel materials such as iron, aluminum and brass, however spur gearboxes can also be made with plastics such as polycarbonate or nylon.  The orientation of the gear teeth plays a major role in the overall efficiency, torque and speed of the system.  Straight gear teeth gearboxes are typically used in low-speed applications.  These gearboxes can be noisy, and usually have lower overall efficiency.  Helical gearboxes are typically used in high-speed applications.  These gearboxes are quieter in operation than straight gear teeth gearboxes and usually have improved overall efficiency.  In very low noise applications, ceramic gears can be used to replace metal gears.

Gearboxes come in a variety of types:  Planetary, Harmonic Drive, Bevel, Helical, Spur, Cycloidal, etc.

Planetary Gearboxes are constructed with a sun gear, ring gear and planetary gears.  The sun gear is the central gear which is fixed in the center, ring gear (annulus ring) which is the outer ring with inward-facing teeth, and the planetary gears which rotate around the sun gears and mesh with both the sun and ring gear.  Planetary gearboxes are used in applications requiring low backlash, compact size, high efficiency, resistance to shock, and a high torque to weight ratio.

Advantages of Planetary Gears include:

  • High power density
  • Compact design
  • High efficiency
  • High permissible input speed

Disadvantages of Planetary Gears include:

  • Cost
  • Complex design

Harmonic Drive Gearboxes feature precision strain wave gearing which provides zero backlash, high torque, compact size, and excellent positional accuracy.  Harmonic drive gearing is made up of three parts:

Circular Spline – a solid, thick walled ring with internal teeth.

Flexspline – a thin walled, flexible steel cylinder with external teeth machined on the outside.  It is slightly smaller than the circular spline.  The number of teeth on the flexspline is less than the number of teeth on the circular spline (generally 1 to 2 fewer teeth).

Wave Generator – is an elliptical cam enclosed in a bearing assembly.

When inserted within the flexspline, the wave generator transfers its elliptical shape leading to the engagement of the external teeth of the flexspline with the internal teeth of the circular spline at two points between the flexspline and the circular spline.  The constant tooth contact achieved by having the teeth mesh at two different points allows the Harmonic Drive Gearbox to achieve zero backlash.

Advantages of Harmonic Drive Gears include:

  • High power density
  • Extremely compact design
  • Zero backlash
  • High torsional stiffness

Disadvantages of Planetary Gears include:

  • Cost
  • Complex design

Bevel Gearboxes include either straight or spiral teeth gears.  Straight bevel gears have straight and tapered teeth and are used in applications requiring slow speeds.  Spiral bevel gears have curved and oblique teeth and are used in applications requiring high-performance, high speed applications. Bevel gearboxes are mainly used in right angle applications with the shafts in a perpendicular arrangement.

Advantages of Bevel Gears include:

  • Right angle configuration
  • Durable

Disadvantages of Bevel Gears include:

  • Axes must be able to support forces
  • Potential excessive vibration and noise during operation

Helical Gearboxes feature gears that are cut at angles which allow for the gradual contact between each of the helical gear teeth.  This construction provides smooth and quiet operation.  Gearboxes using helical gears are used in high horsepower and high efficiency applications.  Helical gears are often incorporated into planetary gearbox designs.

Advantages of Helical Gears include:

  • Inline or right angle configurations
  • Smooth and quiet operation
  • High efficiency
  • High horsepower
  • Low backlash

Disadvantages of Helical Gears include:

  • Resultant thrust along axis of gear
  • Cost

Spur Gearboxes are made with straight teeth mounted on a parallel shaft.  The noise level of spur gears is relatively high due to colliding teeth of the gears which make spur gear teeth prone to excessive wear.

Advantages of Spur Gears include:

  • Cost-effective
  • High gear ratios permissible
  • Compact design

Disadvantages of Spur Gears include:

  • Noisy
  • Prone to wear

Cycloidal (planocentric) Gearboxes employ eccentric motion to achieve its speed reduction.  It uses noncircular or eccentric motion to convert input rotation into a wobbly cycloidal motion.  This motion is then converted back into a circular output rotation.  During this process, speed reduction occurs.  Unlike Harmonic drives, which employ a flexible cylinder that doesn’t move in its entirety but stretches to mesh with the internal circular spline gear to achieve a type of cycloidal motion, the cycloidal (planocentric) drives will actually move the entire internal gear in an eccentric motion.

Advantages of Cycloidal Gears include:

  • High efficiency
  • Extremely high torque output
  • Low backlash

Disadvantages of Cycloidal Gears include:

  • Cost
  •  Can generate velocity and torque ripple

Search our Gearing Products by subcategory:

Automation and Food Safety Webinar: IP69K Products to meet new FDA FSMA standards.

New YouTube Video-   54:01 min.  

Automation and Food Safety Webinar

Automation and Food Safety Webinar

View our on-demand Webinar anytime!



You can watch a recording of this webinar and previously recorded webinars on our YouTube channel:

Tags:  IP69K, FDA, FSMA, Automation, Electric Actuator, Linear Actuator, Stainless Steel Motor, Servo Motor, Stainless Steel Gearbox, Planetary Gearbox, Tolomatic, Kollmorgen, Micron Gearbox

Maxon Academy Technical Presentations

Maxon Academy

Maxon Academy

Which are the specific advantages of a “coreless” DC motor design compared to a conventional DC motor?  How is the motor designed?  Which are the underlying physical principles?  What are the differences between precious metal and graphite brushes and where are these two systems used?

Learn more about the design, the working principle and the data sheets of maxon DC and EC motors.

Maxon Academy

Maxon Academy

Click on the link below to download various Power Point presentations (many with animations)  and Handouts, including Slides with Comments.

This is a must view for Professors, Teachers and Academics alike.

More information on the Servo Motor Product Line from maxon precision motors can be viewed at

For more information, please contact:


Warren Osak
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699

Micron’s new AquaTRUE gearhead features IP66/IP67 and IP69K protection for handling caustic cleaning chemicals and high pressure washdown

Micron’s new AquaTRUE gearhead combines the high performance and torque capacity of Micron’s True Planetary gearheads with features specifically designed to meet the strict requirements of applications such as food and beverage handling, packaging and dispensing.  The AquaTRUE’s IP66/IP67 and IP69K protection is able to handle caustic cleaning chemicals as well as high pressure washdown.  Until now, manufacturers have been unable to use gearheads in many applications involving harsh environments because there was not a product available that met those needs.  The AquaTRUE is engineered to be placed anywhere in the application’s design, regardless of environmental factors.  This eliminates the cost of additional components such as enclosers, shielding or mechanical transmissions.

Micron AquaTRUE Gearhead

Micron AquaTRUE Gearhead

The gearhead’s 304 stainless steel housing eliminates the concern for rust or any type of corrosion.  The AquaTRUE has a laser etched permanent product label and a smooth, round external housing that is designed without any external seams or corners for bacteria to collect.  This makes the AquaTRUE very easy to clean and a perfect fit in any washdown environment.

  • Frame Sizes: 60mm, 80mm, 120mm, 160mm
  • Precision: 13 arc-min max
  • Torque Capacity: up to 876 Nm
  • Ratio Availability:  3:1 to 10:1 (single stage)

Features include:

  • No External Seams
  • 300 Series Stainless Steel
  • IP66/IP67 and IP69K Protection on both the input and output
  • NSF/ANSI 169 Certification
  • No corners or areas for bacteria to collect
  • No areas of ingress
  • Corrosion Resistance
  • Can handle high pressure washdown

More information on Micron’s new AquaTRUE gearheads can be viewed at-

For more information, please contact:


Warren Osak
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699

Precision Zero Backlash Gearing and Servo Actuators from Harmonic Drive

Theory of Operation Video:  time  3:30

Lee Teschler of Machine Design magazine talks to Doug Olson, President and CEO at Harmonic Drive about precision gearing and servo actuators that are used in zero-backlash systems.

Harmonic Drive Theory of Operation Video

Harmonic Drive Theory of Operation Video;search%3Aharmonic

More information on the Zero Backlash Gearing Products from Harmonic Drive can be viewed at-

For more information, please contact:

Warren Osak
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699

maxon technical training proudly presents:

Maxon Academy

Maxon Academy

Deepen your knowledge in drive technology and motion control.  Learn more about the coordinated operation of the drive components motor, gearhead, sensor and controller.


maxon academy bundles our offers in the field of drive technology training.  Besides the maxon academy books and booklets you find here e-learning modules and the forthcoming seminars and workshops.

maxon seminars and workshops cover the topics in a mix of practical work, presentations, exercises and demonstrations.  They offer the possibility to treat a topic in close interaction with an expert.

Standard seminars and workshops treat the selection of drive components and the operation of maxon motion controllers.  Besides maxon academy elaborates seminars and workshops fully tailor made to your needs as well.

Learn more about drive technology – online or offline.   With the interacting maxon E-learning modules you learn and rehearse the most important aspect of drive technology whenever you have time wherever you are.

Professor’s Desk supports lecturers with teaching material such as ppt-presentations, models, exercises for students and models for hands-on training with suggestions for practical work.

maxon academy – for the benefit of our customers.

More information on the Maxon Motor AG product line can be viewed at

For more information, please contact:


Warren Osak
Toll Free Phone:   877-737-8698
Toll Free Fax:       877-737-8699

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