{"id":6970,"date":"2021-04-15T09:00:50","date_gmt":"2021-04-15T17:00:50","guid":{"rendered":"https:\/\/www.linquip.com\/blog\/?p=6970"},"modified":"2025-08-28T01:44:16","modified_gmt":"2025-08-28T09:44:16","slug":"what-is-planetary-gearbox","status":"publish","type":"post","link":"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/","title":{"rendered":"What is Planetary Gearbox and How Does it Works?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#What_is_a_Planetary_Gearbox\" >What is a Planetary Gearbox?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#What_is_a_Planetary_Gear_Set\" >What is a Planetary Gear Set?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#Types_of_Planetary_Gearbox\" >Types of Planetary Gearbox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#What_is_Planetary_Gearbox_Used_for\" >What is Planetary Gearbox Used for?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#Choosing_a_Planetary_Gearbox\" >Choosing a Planetary Gearbox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#Possibilities_of_Planetary_Gearboxes\" >Possibilities of Planetary Gearboxes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#Buying_A_Planetary_Gearbox_What_Should_You_Pay_Attention_To\" >Buying A Planetary Gearbox: What Should You Pay Attention To<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#Grease_or_Oil_as_Lubricant_in_Planetary_Gearbox\" >Grease or Oil as Lubricant in Planetary Gearbox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#Arguments_for_A_Planetary_Gearbox_in_Combination_with_A_Servo_Motor\" >Arguments for A Planetary Gearbox in Combination with A Servo Motor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#How_Do_We_Know_What_Planetary_Gearbox_We_Need\" >How Do We Know What Planetary Gearbox We Need?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.linquip.com\/blog\/what-is-planetary-gearbox\/#Download_What_is_Planetary_Gearbox_PDF\" >Download What is Planetary Gearbox PDF<\/a><\/li><\/ul><\/nav><\/div>\n<p>A planetary gearbox, also introduced as an epicyclic gearbox, is one of the most interesting forms of device presents within motion control. They are typically employed in automobiles as an essential component of automatic transmission applications. Planetary Gearboxes are a form of the gearbox where the output and input both have the same center of turning. This means that the center of the input gear rotates around the center of the output section, and the output and input shafts are aligned.<\/p>\n<p><span style=\"font-weight: 400;\">Our website provides you with all the useful data you may need about planetary gearboxes so you can make an informed decision. Whenever you have any questions about gearboxes, there&#8217;s no better solution than to contact Linquip experts. Take some time to read Linquip&#8217;s article entitled, &#8220;<\/span><a href=\"https:\/\/www.linquip.com\/industrial-directories\/38\/gearbox\"><b>What Is Gearbox?<\/b><\/a><span style=\"font-weight: 400;\">&#8220;.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you want to use all the features provided by Linquip, you need to register as a<\/span><a href=\"https:\/\/www.linquip.com\/experts\/leaderboard\"> <b>Linquip Expert<\/b><\/a><span style=\"font-weight: 400;\">. Would you be up for sharing your insights on Linquip as a guest post? There is a<\/span><a href=\"https:\/\/www.linquip.com\/blog\/user-guest-post\"> <b>Guest Posting<\/b><\/a><span style=\"font-weight: 400;\"> section on the Linquip platform where you can post your content.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_Planetary_Gearbox\"><\/span><strong>What is a Planetary Gearbox?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A planetary gearbox is an instrument with the output and input shafts aligned. A planetary gearbox is employed to transmit the greatest torque in the most compact form (introduced as the torque density).<\/p>\n<p>With its intrinsic cylindrical assembling and in-line shafting, planetary gearing is always provided as the compact alternative to normal pinion-and-gear reducers. Being suited for a broad range of usages \u2013from bulldozer power trains to electric screwdrivers\u2013 these sets are heavy contenders when weight and space versus torque and reduction are chief concerns. We require details to understand their function fully. Examining the mechanics and construction of a planetary gearbox reveals some of the less-obvious features that come into play.<\/p>\n<p>The bicycle\u2019s acceleration hub is a basic instance of the planet-wheel system; Have you ever wondered how you can obtain so many capabilities and power in such a little hub? For a three-speed hub, a one-stand planetary gearbox is utilized, and a two-stand for a five-speed hub. Each planet gear set has a reduction situation, an acceleration mode, and a direct coupling.<\/p>\n<p>In mathematical discussion, the lowest reduction rate is 3:1, and the greatest is 10:1. The sun gear becomes too large against the planet gears at a ratio of less than 3. The sun wheel becomes too low, and the torque will reduce at a ratio of more than 10. The ratios are typically absolute i.e. an integer value. Whoever invented the planetary gearbox is not famous, but it was explained by <a href=\"https:\/\/en.wikipedia.org\/wiki\/Leonardo_da_Vinci\" target=\"_blank\" rel=\"noopener\">Leonardo da Vinci<\/a> in 1490 and has been employed for centuries.<\/p>\n<h3><strong>Why is it Named a Planetary Gearbox?<\/strong><\/h3>\n<p>The planetary gearbox got its term because of how the various gears move in a set together. We see a satellite (ring) gear, a sun (solar) gear, and two or more planet gears in a planetary gearbox. The sun-gear is normally run and thus moves the planet gears bolted in the planet carrier and form the output shaft. The satellite gears have a constant location about the outside components. This looks like our planetary solar arrangement, and that is where the term comes from. What helped was that ancient gear structures were employed widely in astrology for mapping and following the celestial bodies. So, it was not such an important step to make.<\/p>\n<figure id=\"attachment_6971\" aria-describedby=\"caption-attachment-6971\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6971\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/1-why-is-it-named-a-Planetary-gearbox_Reference-apexdyna.nl_.jpg\" alt=\"planetary gearbox\" width=\"300\" height=\"226\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/1-why-is-it-named-a-Planetary-gearbox_Reference-apexdyna.nl_.jpg 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/1-why-is-it-named-a-Planetary-gearbox_Reference-apexdyna.nl_-80x60.jpg 80w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/1-why-is-it-named-a-Planetary-gearbox_Reference-apexdyna.nl_-160x120.jpg 160w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-6971\" class=\"wp-caption-text\">Why is it Named a Planetary Gearbox (Reference: <strong>apexdyna.nl<\/strong>)<\/figcaption><\/figure>\n<p>We always speak practically from the perspective of the employment of planetary gearboxes for industrial applications. That is why we name the sun gear, the input shaft, the planet gears, the carrier, the output shaft, and the satellite part (or ring component) the housing.<\/p>\n<h3><strong>How Does a Planetary Gearbox Work?<\/strong><\/h3>\n<p>One type of gearbox meets all the modeling concepts of servo applications once presenting comparatively long performing life with low maintenance needs \u2014 the Planetary Gearbox. That\u2019s because planetary gearboxes provide great torque transmission with suitable stiffness and little noise in a footprint that\u2019s more compact than that of other device forms.<\/p>\n<p>The arrangement of the gears can be compared to our Milky Way, where the planets turn around the sun, hence the name \u201cPlanetary Gearbox\u201d.<\/p>\n<p>As discussed before, there is a \u201csun\u201d gear in the middle of the planetary gearbox \u2013also introduced as a central gear. This is always the input part. Around the outside, there are two or more \u201cplanet\u201d components \u2013 or outer gears. Surrounding the planet parts, there is a ring component that combines the formation. The planet gears are joined by a carrier which in turn is attached to the output shaft.<\/p>\n<p>The design of the planetary gearbox is relatively simple, including a central sun gear, an outer ring (also known as an internal gear since its tooth face inward), a carrier, and the planetary gears. Input power to the sun gear results in spinning. The mesh of planetary gears with the sun gear has a standard, and as the sun gear rotates based on this, so the planetary gears turn according to their axes.<\/p>\n<p>The planetary gears are also proportional to the ring part, which is fixed, causing the planetary parts to rotate around the sun gear. The carrier keeps the planetary gears in their basic form and sets their gaps. It turns with the planetary parts and incorporates the output shaft.<\/p>\n<h4><strong>Planetary Gears: Principles of Operation<\/strong><\/h4>\n<p>Planetary gears are at the core of novel engineering and are employed in gearboxes that energize everything from basic plant devices to cutting-edge electric systems. The simple arrangement of a central drive and turning gears was presented thousands of years ago to design the movements of the planets. Today, designers use planetary gears in cases that require high torque density, functional efficiency, and durability. We discuss the principles of operation, how planetary gears perform, and where you might find them.<\/p>\n<figure id=\"attachment_6972\" aria-describedby=\"caption-attachment-6972\" style=\"width: 219px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6972\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/2-what-is-Planetary-gearbox_reference-apexdyna.nl_.jpg\" alt=\"planetary gearbox\" width=\"219\" height=\"211\" title=\"\"><figcaption id=\"caption-attachment-6972\" class=\"wp-caption-text\">Planetary Gearbox: Principles of Operation (Reference: <strong>apexdyna.nl<\/strong>)<\/figcaption><\/figure>\n<p>In a planetary gearbox, many teeth operate simultaneously, which provides a high-speed reduction to be obtained with comparatively small gears and lower inertia reflected in the system. Having several teeth share the load also permits planetary parts to transfer high levels of torque. The combination of large speed reduction, compact size, and high torque transmission make planetary gearboxes a common option for space-constrained usages.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_Planetary_Gear_Set\"><\/span><strong>What is a Planetary Gear Set?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A simple planetary gear set is constructed of three basic parts:<\/p>\n<ul>\n<li>The sun gear is located in the center (central part)<\/li>\n<li>Several planet gears<\/li>\n<li>The ring gear (outer component)<\/li>\n<\/ul>\n<p>The three parts devise a stage across a planetary gearbox. We can offer double or triple stages for greater ratios. Planetary gearboxes can be energized by either hydraulic motors, electric motors, or diesel or petrol combustion engines. Click <a href=\"https:\/\/www.youtube.com\/watch?v=KCMbHbzY3gA\" target=\"_blank\" rel=\"noopener\">here<\/a> to know them more precisely.<\/p>\n<figure id=\"attachment_6973\" aria-describedby=\"caption-attachment-6973\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6973\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/3-what-is-a-Planetary-gear-set_Reference-lancereal.com_.jpg\" alt=\"planetary gearbox\" width=\"1000\" height=\"554\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/3-what-is-a-Planetary-gear-set_Reference-lancereal.com_.jpg 1000w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/3-what-is-a-Planetary-gear-set_Reference-lancereal.com_-300x166.jpg 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/3-what-is-a-Planetary-gear-set_Reference-lancereal.com_-768x425.jpg 768w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/3-what-is-a-Planetary-gear-set_Reference-lancereal.com_-696x385.jpg 696w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/3-what-is-a-Planetary-gear-set_Reference-lancereal.com_-758x420.jpg 758w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-6973\" class=\"wp-caption-text\">What is a Planetary Gear Set (Reference: <strong>lancereal.com<\/strong>)<\/figcaption><\/figure>\n<p>The load from the sun gear is applied to multiple planetary parts, which can either be employed to run an outer ring or a spindle or shaft. The central sun gear takes a low-torque, high-speed input. It can run many turning external gears which improves the torque.<\/p>\n<p>The basic model is a highly efficient and effective method of transmitting energy from a motor to an output. Approximately 97% of the power input is provided as an output.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Planetary_Gearbox\"><\/span><strong>Types of Planetary Gearbox<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Three main types of planetary gearboxes are available based on their performance, including a wheel drive, shaft output, and spindle output. Here\u2019s what they are and how they perform.<\/p>\n<h3><strong>Wheel Drive<\/strong><\/h3>\n<figure id=\"attachment_6974\" aria-describedby=\"caption-attachment-6974\" style=\"width: 368px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6974\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/4-WHEEL-DRIVE_Reference-lancereal.com_.jpg\" alt=\"planetary gearbox\" width=\"368\" height=\"325\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/4-WHEEL-DRIVE_Reference-lancereal.com_.jpg 368w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/4-WHEEL-DRIVE_Reference-lancereal.com_-300x265.jpg 300w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><figcaption id=\"caption-attachment-6974\" class=\"wp-caption-text\">Types of Planetary Gearbox: Wheel Drive (Reference: <strong>lancereal.com<\/strong>)<\/figcaption><\/figure>\n<p>The sun gear runs the surrounding planetary parts which are attached to a carrier in a wheel-drive planetary gearbox. When the sun gear is performed, the planet gears circulate the outer ring gear. The wheels can be combined over the housing of the system. By connecting the wheel straight to the gearbox, the size of the system can be optimized. Wheel drive planetary gearbox can be used in cases up to 332,000 N.m torque.<\/p>\n<h3><strong>Shaft Output<\/strong><\/h3>\n<figure id=\"attachment_6975\" aria-describedby=\"caption-attachment-6975\" style=\"width: 336px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6975\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/5-SHAFT-OUTPUT_Reference-lancereal.com_.jpg\" alt=\"planetary gearbox\" width=\"336\" height=\"324\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/5-SHAFT-OUTPUT_Reference-lancereal.com_.jpg 336w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/5-SHAFT-OUTPUT_Reference-lancereal.com_-300x289.jpg 300w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><figcaption id=\"caption-attachment-6975\" class=\"wp-caption-text\">Types of Planetary Gearbox: Shaft Output (Reference: <strong>lancereal.com<\/strong>)<\/figcaption><\/figure>\n<p>The sun gear runs the surrounding planetary parts, which are housed in a turning carrier in a shaft drive gearbox. The ring part is maintained fixed with the turning carrier delivering drive to the shaft. The housing part of the system is fixed straight to the machine, with the output being a turning shaft. The range of a shaft output gearbox can deliver up to 113,000 N.m output.<\/p>\n<h3><strong>Spindle Output<\/strong><\/h3>\n<figure id=\"attachment_6976\" aria-describedby=\"caption-attachment-6976\" style=\"width: 350px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6976\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/6-spindle-output-Reference-lancereal.com_.png\" alt=\"planetary gearbox\" width=\"350\" height=\"283\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/6-spindle-output-Reference-lancereal.com_.png 350w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/6-spindle-output-Reference-lancereal.com_-300x243.png 300w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><figcaption id=\"caption-attachment-6976\" class=\"wp-caption-text\">Types of Planetary Gearbox: Spindle Output (Reference: <strong>lancereal.com<\/strong>)<\/figcaption><\/figure>\n<p>Spindle output planetary gearboxes perform in the identical method as shaft outputs, although the output is provided as a flange. The spindle drives planetary types can be used in applications with up to 113,000 N.m torque.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Planetary_Gearbox_Used_for\"><\/span><strong>What is Planetary Gearbox Used for?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A planetary gearbox can be used for different purposes. We offer planetary gear sets to employ in industrial and mobile cases, including:<\/p>\n<ul>\n<li>In a robot, to improve the torque.<\/li>\n<li>In a printing press to decrease the speed of the rollers<\/li>\n<li>For precise positioning<\/li>\n<li>In a packaging machine for reproducible products<\/li>\n<li>Wheel drives<\/li>\n<li>Track drives<\/li>\n<li>Conveyors<\/li>\n<li>Slew drives<\/li>\n<li>Hoist drives<\/li>\n<li>Mixing<\/li>\n<li>Winch drives<\/li>\n<li>Pumps<\/li>\n<li>Coil tubing injectors<\/li>\n<li>Auger &amp; drilling drives<\/li>\n<li>Cutter head drives<\/li>\n<\/ul>\n<figure id=\"attachment_6977\" aria-describedby=\"caption-attachment-6977\" style=\"width: 792px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6977\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/7-what-are-platetary-gears-used-for_Reference-lancereal.com_.jpg\" alt=\"planetary gearbox\" width=\"792\" height=\"350\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/7-what-are-platetary-gears-used-for_Reference-lancereal.com_.jpg 792w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/7-what-are-platetary-gears-used-for_Reference-lancereal.com_-300x133.jpg 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/7-what-are-platetary-gears-used-for_Reference-lancereal.com_-768x339.jpg 768w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/7-what-are-platetary-gears-used-for_Reference-lancereal.com_-696x308.jpg 696w\" sizes=\"(max-width: 792px) 100vw, 792px\" \/><figcaption id=\"caption-attachment-6977\" class=\"wp-caption-text\">What is Planetary Gearbox Used for? (Reference: <strong>lancereal.com<\/strong>)<\/figcaption><\/figure>\n<p>Planetary gear sets can be employed in stages, which provide a variety of transmission rate options that can meet our requirements.<\/p>\n<p>Read more about <a title=\"AssunMotor&#039;s small planetary gearbox\" href=\"https:\/\/assunmotor.com\/products\/planetary-gearbox\" target=\"_blank\" rel=\"noopener\">AssunMotor&#8217;s small planetary gearbox<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Choosing_a_Planetary_Gearbox\"><\/span><strong>Choosing a Planetary Gearbox<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When choosing a planetary gearbox for the special application, it is important to take note of the following.<\/p>\n<ul>\n<li>Features required: torque, backlash, ratio, etc. of the case should be taken into consideration.<\/li>\n<li>Environment: some environments may leave a device exposed to dust, dirt, or moisture; so, it is essential to consider this property and choose a planetary gearbox with the correct protection.<\/li>\n<li>Space: planetary gearboxes are present in different sizes; if there is a limited place available, then a smaller planetary gearbox can be employed.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Possibilities_of_Planetary_Gearboxes\"><\/span><strong>Possibilities of Planetary Gearboxes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>It is possible to identify different velocities and rotating directions with the same structure. This can be obtained by, for example reversing the gearbox, which provides the following possibilities:<\/p>\n<figure id=\"attachment_6978\" aria-describedby=\"caption-attachment-6978\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6978\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/8-POSSIBILITIES-OF-PLANETARY-GEARBOXES_Reference-apexdyna.nl_.jpg\" alt=\"planetary gearbox\" width=\"700\" height=\"277\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/8-POSSIBILITIES-OF-PLANETARY-GEARBOXES_Reference-apexdyna.nl_.jpg 700w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/8-POSSIBILITIES-OF-PLANETARY-GEARBOXES_Reference-apexdyna.nl_-300x119.jpg 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/8-POSSIBILITIES-OF-PLANETARY-GEARBOXES_Reference-apexdyna.nl_-696x275.jpg 696w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-6978\" class=\"wp-caption-text\">Possibilities of a Planetary Gearbox (Reference: <strong>apexdyna.nl<\/strong>)<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Buying_A_Planetary_Gearbox_What_Should_You_Pay_Attention_To\"><\/span><strong>Buying A Planetary Gearbox: What Should You Pay Attention To<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>What are the purchase issues for a planetary gearbox? That is problematic to answer this question since it is mostly dependent on where the gearbox is employed precisely. First of all, the primary features (e.g. backlash, torque, and ratio) should be correct, but then the secondary (e.g.: noise level, corrosion resistance, and construction) and the tertiary (e.g. price, delivery time, service, and global availability) are important.<\/p>\n<p>Since some constructors run faster, you can contact them for all your questions. They will reply immediately, always the same day, with a customized response and\/or complete offer. With this method, you never have to worry about a delay since they deliver every planetary gearbox out of stock and quicker than anyone else.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Grease_or_Oil_as_Lubricant_in_Planetary_Gearbox\"><\/span><strong>Grease or Oil as Lubricant in Planetary Gearbox<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Even with how accurately the planetary gearbox is constructed and assembled, there are often rolling or sliding sections inside. That\u2019s why each planetary gearbox includes a lubricant \u2013 whether it\u2019s grease, oil, or a synthetic gel \u2013 to guarantee that the gears perform well and prevent wear.<\/p>\n<figure id=\"attachment_6979\" aria-describedby=\"caption-attachment-6979\" style=\"width: 256px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6979\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/9-lubricant-gears-oil-Reference-apexdyna.nl_.jpg\" alt=\"planetary gearbox\" width=\"256\" height=\"250\" title=\"\"><figcaption id=\"caption-attachment-6979\" class=\"wp-caption-text\">Grease or Oil as Lubricant in Planetary Gearbox (Reference: <strong>apexdyna.nl<\/strong>)<\/figcaption><\/figure>\n<p>Besides, the lubricant always presents cooling and decreases the noise or vibration. Some constructors use a special lubricant from the company Nye Lubricants to improve their quality; in fact, it is a form of gel.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Arguments_for_A_Planetary_Gearbox_in_Combination_with_A_Servo_Motor\"><\/span><strong>Arguments for A Planetary Gearbox in Combination with A Servo Motor<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The main advantage of using a planetary gearbox in combination with a servo motor is that the torque is separated over 3 gears (the planet parts), and therefore \u2013 at the same dimensions \u2013 the torque is almost 3-fold than a \u201ctypical\u201d gearbox. Other arguments are:<\/p>\n<ul>\n<li>Compact and therefore low mass inertia.<\/li>\n<li>Low backlash<\/li>\n<li>High efficiency<\/li>\n<li>Closed system<\/li>\n<li>Absolute ratios between 3:1 and 10:1 per stage<\/li>\n<\/ul>\n<h3><strong>What are the Drawbacks of Using a Planetary Gearbox?<\/strong><\/h3>\n<p>A planetary gearbox has some drawbacks and disadvantages. Their complexity in modeling and production tends to make them a more expensive method than other gearbox forms. And precision construction is highly important for these instruments. If one planetary gear is placed closer to the sun gear than the others, some imbalances in the planetary gears can result, leading to increase wear and failure. Also, the compact footprint of planetary gears results in high heat dissipation, so applications that perform at very high velocity or experience continuous performance may require cooling.<\/p>\n<p>Once employing a \u201cnormal\u201d (in other words, inline) planetary gearbox, the motor and the driven parts should be in line with each other, although constructors present right-angle models that incorporate other gear sets (always bevel gears with helical teeth) to supply an offset between the output and input.<\/p>\n<p>Consider that a planetary gearbox can be made with either spur gears or <a href=\"https:\/\/www.linquip.com\/blog\/types-of-bevel-gears\/\">helical<\/a> gears. Spur gears have a zero helix angle; so, they create no axial forces. As a result, the bearings in a spur type of planetary gearboxes only serve to provide the gear shafts.<\/p>\n<p>Helical types, in contrast, include a helix angle between 10 and 30 degrees, which results in considerable axial force generation. The bearings employed in a helical form of planetary gearboxes should tolerate these axial forces. (Larger helix angles cause greater axial forces but also present higher torque potential, smoother operation, and less noise.)<\/p>\n<figure id=\"attachment_6980\" aria-describedby=\"caption-attachment-6980\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6980\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/10-Spur-Gear-and-Helical-Gear-drawbacks_reference-motioncontroltips.com_.jpg\" alt=\"planetary gearbox\" width=\"768\" height=\"306\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/10-Spur-Gear-and-Helical-Gear-drawbacks_reference-motioncontroltips.com_.jpg 768w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/10-Spur-Gear-and-Helical-Gear-drawbacks_reference-motioncontroltips.com_-300x120.jpg 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/10-Spur-Gear-and-Helical-Gear-drawbacks_reference-motioncontroltips.com_-696x277.jpg 696w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-6980\" class=\"wp-caption-text\">Spur Gear and Helical Gear in a Planetary Gearbox (Reference: <strong>motioncontroltips.com<\/strong>)<\/figcaption><\/figure>\n<p>In addition, in a planetary gearbox \u2014 whether it is a helical design or a spur type \u2014 the bearings play an essential role in the torque transmission aspect. But the planetary configuration affords a limited gap across the gearbox to incorporate the bearings. Needle bearings are an appropriate option from the size aspect but are not constructed to tolerate significant axial forces. Tapered roller bearings are more desirable for high axial forces but are typically larger than needle bearings.<\/p>\n<p>The basic limitations on bearing type and size, joined with the dual task of supporting axial loads and transmitting torque, mean the torque levels of a helical planetary gearbox can be smaller than those of similar gearboxes employing spur gears, whose bearings only tolerate some forces because of the torque transmission (no axial forces).<\/p>\n<p>On the other hand, helical planetary models have a smoother operation, lower noise, and higher stiffness than spur planetary types. These properties make helical planetary gearboxes the more usual option in servo applications.<\/p>\n<h3><strong>What Options Do We Have?<\/strong><\/h3>\n<p>The planetary gearboxes are presented in 1-speed and 2-speed options. Professional manufacturers can supply single, double, or triple sets to suit any case.\u00a0 They can also incorporate dynamic, hydraulic, and electromagnetic braking within the range of planetary gearboxes.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_We_Know_What_Planetary_Gearbox_We_Need\"><\/span><strong>How Do We Know What Planetary Gearbox We Need?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once choosing a planetary gearbox, its gearing ratio and size should be defined by the outcome. It\u2019s an important balance between efficiency, size, cost, and performance. Famous constructors have a consultative approach to modeling. They begin each project by developing deep learning of the certain case, the torque, speeds, and performance of the machine.<\/p>\n<p>They also use their insight and experience to determine and provide a suitable planetary gearbox method that\u2019s reliable and cost-effective. Every gearbox they provide will deliver years of trouble-free operation. It\u2019s the combination of ongoing innovation and engineering excellence that holds them at the forefront of planetary gearbox technology.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Download_What_is_Planetary_Gearbox_PDF\"><\/span><b>Download What is Planetary Gearbox PDF<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The following link contains the content of this article for you in a PDF format that you can refer to whenever you like.<\/span><\/p>\n<div class=\"su-button-center\"><a href=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/linquip.com-What-is-Planetary-Gearbox-and-How-Does-it-Works.pdf\" class=\"su-button su-button-style-default su-button-wide\" style=\"color:#FFFFFF;background-color:#2D89EF;border-color:#246ec0;border-radius:12px\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color:#FFFFFF;padding:0px 30px;font-size:22px;line-height:44px;border-color:#6cadf4;border-radius:12px;text-shadow:none\"> Download PDF<\/span><\/a><\/div>\n<h3><b>Buy Equipment or Ask for a Service<\/b><\/h3>\n<p>By using Linquip RFQ Service, you can expect\u00a0to receive quotations from various suppliers across multiple industries and regions.<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"http:\/\/linquip.com\/get-quote?utm_source=blog&amp;utm_medium=content&amp;utm_campaign=product_list&amp;utm_term=product_list&amp;utm_content=rfq\" target=\"_blank\" rel=\"noopener\">Click Here to Request a Quotation From Suppliers and Service Providers<\/a><\/strong><\/p>\n<p><em><strong>Read More In Linquip<\/strong><\/em><\/p>\n<ul>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; 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They are typically employed in automobiles as an essential component of automatic transmission applications. Planetary Gearboxes are a form of the gearbox where the output and input both have the same center of &#8230;<\/p>\n","protected":false},"author":10,"featured_media":6981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[26],"tags":[333],"class_list":["post-6970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gearbox","tag-industrial-guideline"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/6970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/comments?post=6970"}],"version-history":[{"count":8,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/6970\/revisions"}],"predecessor-version":[{"id":36582,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/6970\/revisions\/36582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/media\/6981"}],"wp:attachment":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/media?parent=6970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/categories?post=6970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/tags?post=6970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}