These gearheads can be easily adapted to any oem servo motor. General introduction of harmonic drive product technique. It consists of a thin ring that deflects elastically as it rolls on the inside of a slightly larger rigid. Strainwave gear the ultimate in accuracy and quality is a strainwave gear, also known generically as a harmonic drive. Mukund trans gears offering harmonic drive gears in sangli, maharashtra. Established in the year 1987, mukund transgears is a prominent manufacturer, exporter and supplier of a wide range of industrial equipment. Download harmonic drive llc catalogs or assembly instructions. Not all matches represented here may be suitable for your. The gearboxes are supplied with harmonic drive lifetime lubricant which is a high performance grease that meets the specific requirements of the harmonic drive gears. Feb 05, 2016 all of harmonic drive llcs manufacturing is done in our peabody, ma facility and is backed by literally hundreds of years of handson engineering and manufacturing experience with the knowledge and knowhow to produce quality products to support our customers in order to keep things moving for years to come. Harmonic drive gear products offer zerobacklash with gear ratios from 30. We note that the transmitted torque across the harmonic drive represents a nonlinear coupling factor between the motor side and the load side dynamics.
Page 50 of hamid d taghirads 1997 phd dissertation from mcgill university gives a series of equations for harmonic drive torques, and the top of page 51 gives the following fantastic model for the harmonic drive wg is the wave generator input. Hduc getriebeboxen sind fur fettschmierung ausgelegt. High capacity output bearings are utilized for robust and accurate support of loads. Harmonic drive, mechanical speedchanging device, invented in the 1950s, that operates on a different principle from, and has capabilities beyond the scope of, conventional speed changers. But in common gear drive, joggle teeth at the same time only can be 27%, for. Harmonic drive a guide to choosing gears for robotics.
A d100 harmonic drive is simulated based on the contact theory and the explicit algorithm of the finite element method. Musser while he was a research advisor at united shoe machinery usm and is commonly implemented in robotics, 1 and used in aerospace as well, 2 for gear reduction but may also be used to increase rotational. The harmonic drive gear is the subject of continuous development in both japan and germany. Our hpn range is a more conventional gear with helical gearing to increase torque capacity and lower noise, this is available in accuracies of up to 5 arc minutes. All of harmonic drive llcs manufacturing is done in our peabody, ma facility and is backed by literally hundreds of years of handson engineering and manufacturing experience with the knowledge and knowhow to produce quality products to support our customers in order to keep things moving for years to come. Our harmonic drive product range includes gearheads and component sets. Harmonic drive harmonic planetary product selector tool motor matching tool gearhead selector downloads. The harmonic drive strain wave gear utilizes a unique gear tooth profile for optimized tooth engagement. Harmonic drive is the brand name of strain wave gear trademarked by the harmonic drive company it was invented in 1957 by c. In combination with a servo motor and a motor feedback system, highly integrated, compact and powerful. Understanding and modeling the behavior of a harmonic drive. Harmonic drive group companies in, japan harmonic drive systems, inc. Dynamic simulation of harmonic gear drives considering. Understanding and modeling the behavior of a harmonic.
Harmonic gearing is low to zero backlash by design. Ppt harmonic drive gearing powerpoint presentation. N is the gear ratio, then the springs and dampers are deflection and friction losses at various stages in. Harmonic drive gears or planetary gears are the starting point for all products.
A working educational model of a harmonic drive also named a strain wave gearing using a 34 chain and some plexi. Although the motor and gear data used on this site is believed to be accurate, no warranty is expressed or implied regarding the accuracy, adequacy, completeness, reliability or usefulness of this information. Each size, style, and ratio has undergone extensive testing in our stateoftheart dynamometer facility to ensure each part. If a task requires a high torque output or speed, a larger.
Calculate required motor torque through harmonic drive. The parameterized finite element grid of the whole harmonic gear drive model is realized by matlab, and then the assembly process of the wave generator is simulated by abaqus. Understanding and modeling the behavior of a harmonic drive gear transmission. Easily find a gearhead to match your servomotor using our product selector tool. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Harmonic gear drives have advantages that other drives do not, such as simpler structure. It is a type of harmonic drive, which uses a flexible output ring to attain a high gear reduction. Additionally, this software matches the mechanical performance characteristics of the selected motors and gears. Choosing a drive involves several design factors that depend greatly on the task at hand. A wide variety of plastic harmonic drive options are available to you, such as harmonic, helical, and worm. True zero backlash precision gears units and gearheads are available in a variety of sizes, ratios and configurations including hollow shaft versions which allow cables or shafts to pass through the center of rotation. Oct 26, 2011 whether it is servo actuators, direct drives, gears with the strain wave gear principle, planetary gears or special drives to meet individual customer specifications harmonic drive ag designs.
The three elements of the basic harmonic drive are shown in the figure. Instead of a toothed belt for the flexible coupling, i use a crinkled shape that forms involute. Import data and price of gear harmonic drive under hs code. Harmonic drive strain wave gear 1 filter by category. Principles of harmonicdrive product information harmonic. Common requirements are the desire for higher power density, higher torsional stiffness and lower ratios. During life testing of an actuator assembly, the harmonic gear teeth failed completely, leaving the size32 harmonic gear with a maximum output torque capability less than 10% of its design capability. He has 23 years of experience in the field of gear box manufacturing and it is through his sharp managerial skills and dynamic approach that we have made it to the top. Minimal tooth number of flexspine in harmonic gear drive.
Unipolar single wave harmonic drive ratio can reach 50300, optimizing can reach 75250. Precision planetary gearing products are available with gear ratios from 3. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Ppt harmonic drive gearing powerpoint presentation free. Harmonic drive systems provides speed reducers for highly precise positioning applications such as industrial robots, including our harmonicdrive series of precision reducers and accudrive planetary speed reducers, as well as mechatronics products. With over 50 years of experience, our expert engineering and production teams develop enabling technologies and products to meet the needs of an evolving motion control market. For more precise and exact movements, drives that have a high accuracy and repeatability are required. We have experienced customer service representatives standing by ready to help. Date hs code description origin country port of discharge unit quantity value inr per unit inr oct 04 2016. Basically, the harmonicdrive developed to take advantage of the elastic dynamics of metal is typically made up of only three components. Multiple wave harmonic drive ratio can realize 300150,000 moreteeth of engagement at the same time harmonic drives joggle teeth at the same time can reach 30%, or even more.
Pdf application of harmonic drive gears in machine tools. Cone drive harmonic solutions also known as strain wave gearing offers the ultimate in precision motion control technology. There are therefore four key themes driving current. Sort by date 1 minimal tooth number of flexspline in harmonic gear drive with external wave generator october 20. Advances on the basic harmonic drive design in recent years have seen the introduction of more and more compact units with higher torque capacities, and complete servo actuator systems consisting of harmonic drive gear, motor, servo control unit and integrated encoders in the one system. Enineering data 36 36 results found enineering data. A wide variety of harmonic drive gear options are available to you, such as harmonic, bevel miter, and worm.
Servo actuators are an assembly of a brush or brushless servo motor, zero backlash harmonic drive gear, and a high capacity output bearing. It provides high transmission accuracy and can support a high ratio reduction in a single. This simple three element construction combined with the unique operating principle allows extremely high reduction ratio in a very compact and lightweight package. Winner of the standing ovation award for best powerpoint templates from presentations magazine. In combination with a servo motor and a motor feedback system, highly integrated, compact and powerful servo actuators are created. Hpgr new helical planetary gear hpn new precision planetary hollow shaft gearheads shg2uh new lightweight shf2uh new lightweight shd2uhlw new lightweight hpf new hollow shaft planetary simplicity units shg2sh shf2sh shg2so shf2so phase adjust gearheads hdi gearheads with input shafts shf2uj shg2uj csf1u. The strain wave gear has a unique tooth engagement which results in a zerobacklash gear mesh that provides high positional accuracy and high torque with a compact form factor. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Locked rotor case when the output of the drive is locked 2. Harmonic drive harmonic planetary product selector tool. It guarantees constant accuracy of the gears for the whole life. The harmonic drive is a backlashfree precision gear and is unusual in using an elastically deformable component to achieve a high reduction ratio in just a single gear stage with only 3 basic gear components. Quickly filter through a wide range of gear ratios and torque ratings to find the best product.
A relubrication of the gearboxes is normally not necessary. The following 11 files are in this category, out of 11 total. The chain counterrotates in a wave form, almost moving like a serpent. Harmonic drive gear solutions harmonic gearing cone drive. My design is unique as far as i know in that it also incorporates a planetary gearset for further reduction. Strain wave gear principle harmonic drive ag youtube. Failure of harmonic gears during verification of a two. When used as a when used as a speed reducer, the wave generator acts as the in put element. It consists of a thin ring that deflects elastically as it rolls on the inside of a slightly larger rigid circular ring. The harmonic drive gear is the subject of continuous development, due to new market requirements from each of the major application areas. Harmonic drive precision drive technology based on the strain wave gear principle can be found in machine tools, and of course also in robotics, the aerospace industry, and numerous other key industries. Harmonic drive is the brand name of strain wave gear trademarked by the harmonic drive company. Failure of harmonic gears during verification of a twoaxis. We will work with you individually to find the perfect set up for your application.
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