Animations of gears and gearboxes wikimedia commons. These actuators provide linear forces from 49n to 12,000n with submicron position resolution. A alternative used more and more are things like megatorques or direct drive rotaries which are very high pole count motors. Harmonic drive competitors, revenue and employees owler. Harmonic drive llc designs and manufactures precision servo actuators, gearheads and gear component sets. 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. Jan 15, 2009 instead of using a fixed belt to move the load, the hld uses a recirculating belt, folded back upon itself and routed over subtly different diameter pulleys yielding gear reduction by way of the harmonic drive principle, without the cost or backlash of a separate gearhead see animation at. From the harmonicdrive reducer to the harmonicplanetary planetary reducer and accudrive, here we introduce the broad lineup of controllers and features for each model of actuator.
Its printed out of petg, which johannes says is slippery enough for a harmonic drive, and the nema 17 stepper is completely contained within the housing of the gear itself. Harmonicdrive principles ha800 series ac servo driver quick start. Barrel cam mechanism animation youtube maker shop, man cave. We work with industryleading customers and companies of all sizes to provide both. Make offer harmonic drive systems ha6554200ct2a 9800038263 200v ac servo drive used. Strain wave gearing also known as harmonic gearing is a type of mechanical gear system that can improve certain characteristics compared to traditional gearing systems such as helical gears or planetary gears. Harmonic drive systems also produces gear heads and harmonic drive actuators. I just do not use them as the final drive but use them as the reducer between the drive motor and the roller disk final drive. Ctt is a technical enterprise with development and innovation as its leading role. These are the first drives to offer totalforce technology which uses several patented features to help optimize your system.
I originally learned of harmonic drives while working on the first keck telescope. The results of calculations can be shown in table form as above or as a graph. The central shaft can even be bored to provide the largest hollowshaft possible on a concentric gear. Our goal of providing the highest quality, custom designed and precision crafted products has remained the same. The mighty hobym crux t4000 is the final step in your astrophotography setup. Originally designed for the aerospace industry, the outstanding features of this gear principle offering backlash free, compact and lightweight and high reduction ratio all in one quickly benefitted other areas of technology. From this reason, the flexspline should have flexibility and good vibration characteristics. It is a combination of a strain wave gear, also known as harmonic drive, and the grinder gears. Media in category animations of gears and gearboxes the following 73 files are in this category, out of 73 total. Feb 08, 2019 gear ratio175 consists of by planetary gear and 125 by harmonic drive.
In combination with a servo motor and a motor feedback system, highly integrated, compact and powerful servo actuators are created. All content is posted anonymously by employees working at harmonic drive. Improve quality, reduce costs, and drive monetization of mobile video with these videoovercellular strategies. Harmonic drive precision gearing is known for zero backlash, high torque, compact size, and excellent positional accuracy. Harmonic drive gears or planetary gears are the starting point for all products. Harmonics refer to deviations from the desired model sinusoidal ac line voltage and the current waveforms. It consists of a thin ring that deflects elastically as it rolls on the inside of a slightly larger rigid.
See video demonstrating how our hpgp harmonic planetary gears work. Harmonic drives from the vendor you state are of high quality. See harmonic drives revenue, employees, and funding info on owler, the worlds largest communitybased business insights platform. This includes an active supply unit and integrated low harmonic line filter. These deviations, or harmonic distortions, historically were low in magnitude. Mar 27, 2015 harmonic drive strain wave gearing utilizes a unique operating principle which is based upon the elastic mechanics of metals. Harmonic drive systems inc the company offers cup type, hollowshaft type, and rotary type speed reducers. Harmonic drive a guide to choosing gears for robotics. The greatest benefits are the zerobacklash characteristics and the weight and space savings compared to other gears because our gear mechanism consists of only three basic parts. The flexspline is the component of a harmonic drive, which can generate a repeated vibration by the wave generator.
Ppt harmonic drive gearing powerpoint presentation free. Chd was built for gathering technical of harmonic drive technology in china to support widely usage of world, which is engaged in research, design and production of precise harmonic drive device. Some of you may know about the chronos mount that uses harmonic drives. Harmonic drive strain wave gear zero backlash harmonic. The greatest benefits are the zerobacklash characteristics and the. Principles of harmonicdrive product information harmonic drive.
Since its inception in the 1960s harmonic drive, llc has grown to be one of the most respected leaders in motion control. Harmonic drive linear actuators deliver both high force and outstanding positional accuracy. The elliptically deformed gear engages the internal teeth of a fixed circular ring gear of only slightly larger diameter. You acknowledge that the provision of customer support is at our sole discretion, and that we have no obligation to provide you with customer support of any. Harmonic drive strain wave gear no backlash youtube. This design doubles the teeth in mesh, boosting the torque capacity of the drive system. Harmonic drive systems inc company profile and news. State of the art manufacturing facilities in the us, japan and germany enables us to locally serve the needs of our. Harmonic drive gearing a free powerpoint ppt presentation displayed as a flash slide show on id. Harmonic drive developed a unique gear tooth profile that optimizes the tooth engagement. Your browser does not allow setting thirdparty cookies. Jun 11, 2016 3d printed harmonic drive part 2 live test duration. The harmonic drive is a type of gear arrangement often referred to as a strain wave gear because of the way it works.
The model takes account of nonlinear changes in stiffness, as well as damping. Arcsec drive zhejiang qiyue mechanical technology co. Harmonic current suppression measures as a harmonic current suppression measure for ac drives, connect a power factor improving reactor as shown in the figures below. Which is very similiar to what the keck telescopes employ. Explore harmonics resources on a range of different topics. Harmonic drives are mechanical gear systems that have some very nice properties such as no backlash, high gear ratios, and being able to hold their position without power. Our powerflex 755t drives are designed to provide harmonic mitigation, regeneration, and common bus solutions that help reduce energy costs, add flexibility, and increase productivity. Its these characteristics that resulted in harmonic drive being chosen for inclusion by nasa on the mars rover. Harmonic drives top competitors are spinea, circularwavedrive and harmonic drive. Harmonic drive systems ha6554200ct2a 9800038263 200v ac servo drive used. With our all inside design there is no need for external filters, multipulse arrangements or special transformers. Mar 30, 2012 this is a 3d printable version of a harmonic drive. A working educational model of a harmonic drive also named a strain wave gearing using a 34 chain and some plexi. Multiple manufacturing facilities in the united states, japan and germany maintain the high quality, precision and reliability standards required by the industry.
Powerflex 755tr drive video watch an animation that illustrates the advantages of the modular hardware and builtin components offered by this drive. Our motion control products including gearing components, gearheads also called gear units, and servo actuators exhibit these attributes. In this video i build the main drivetrain components of a 4th axis assembly for my cnc machines, using a harmonic drive gearbox to get precise angular positioning and high torque with low backlash. The harmonic linear drive hld is an innovative linear belt drive solution providing high accuracy and low cost without the need for a. Harmonic drive rotary actuators are the easiest solution for your high precision motion control applications. They are precise, designed for a long lifespan and have good loadweight ratios. Number of teeth are 1236 in planetry gearing and 5052 in harmonic gearing. A selection of materials used in manufacturing of harmonic driver flexsplines is provided in table 1 2. Additional software products are available from rockwell software. 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. It is a kind of reduction gear mechanism consisting of a minimum of three main components. We offer a complete range of digital servo drives for brush or brushless actuators.
This tooth profile the s tooth enables up to 30% of the total number of teeth to be engaged simultaneously. I have and still use harmonic drives in my telescope drive systems. The mechanism has two sets of cycloid drives, one with a gearing ratio of 26 to 24, and the other 25 to 23. Here is a video if you do not know what a harmonic drive is. The perfect astronomy mount for the serious astronomer or for public observatories, this harmonic drive equatorial mount holds up to 180 kg 396 lb with an attached counterweight. Harmonic drive is the brand name of strain wave gear trademarked by the harmonic drive company it was invented in 1957 by c. Our drives support many command protocols including analog, stepper. Dynamic model of a harmonic drive in a toothed gear. Hobym crux t4000 harmonic drive equatorial mount opt. This gear type, also known as strain wave gearing is a standard transmission component in a wide range of application areas, from industrial robots and machine tools to printing machines, medical equipment and machines for semiconductor manufacturing.
These also have the same type speed limitations with somewhat higher top end. Gearing up its clear that the world of gears is more complex than first meets the eye. Learn how softwarebased infrastructures can help meet bandwidth. Qiyue is your complete source for gear reducers like harmonic drive, rv reducer and planetary reducer, actuator, rotary table and other mechanical. The chain counterrotates in a wave form, almost moving like a serpent. Single stage planetary gears can achieve reduction ratios up to 10. Oct 26, 2011 in over 40 years of operation, harmonic drive ag has developed into a prestige solution provider for high precision drive technology with around 400 employees at its limburg facility in germany. Moho is a proprietary vectorbased 2d animation software for animators. Highratio speed reducer based on elastic deformation of.
The input shaft is directly connected with the shaft hole of the wave generator, and the flat key and the motor shaft are used for positioning and transmission. Even for consumers to whom the guideline is not applied, it is recommended to connect a power factor improving reactor in the same. Nov 03, 2017 home 3d cad, 3d downloads, 3d model, cad file, car, download free, engineering cad, iges, industrial design, machine design, render, solidworks, step, stl 3d model harmonic drive cs32xxx2agr component set cad file 3d for downloads free. Advancing the technology of motion control through innovation harmonic drive is a registered trademark of. Harmonic drive ag strain wave gear set consisting of wave generator bearing top left, flexspline cup top right and circular spline ring bottom. Its brands include harmonicdrive, accudrive, and harmonicplanetary. Strain wave gear principle harmonic drive ag youtube. Ppt harmonic drive gearing powerpoint presentation. Harmony software ensures you have the latest information from our device database a database we add to and improve daily. We manufacture highprecision, zerobacklash harmonic drive strain wave gears. The proposed model of a harmonic drive in the power transmission system is investigated in the matlabsimulink environment.
Harmonic drive systems offers the machine and motion control design engineer the widest choice of harmonic drive gearing products. From experience, the price tag is approximately euros per harmonic drive for only the component set consisting of. Strain wave gearing also known as harmonic gearing is a type of mechanical gear system that can improve certain characteristics compared to traditional. Harmonic hyperdrive is a gearing contraption that achieves a 300 to 1 gearing ratio. In over 40 years of operation, harmonic drive ag has developed into a prestige solution.
In particular, a new original dynamic model of a harmonic drive has been proposed for a power transmission system. Upon completion of this training, students will be able to create a full raster image template using adobe photoshop, create a custom template using animate, use media encoder and after effects to create a webm or mpeg4 file from an image sequence, create a dve or dual dve template using animate, and perform some basic troubleshooting for common spectrum template authoring related issues. Mar 23, 2017 in this video i build the main drivetrain components of a 4th axis assembly for my cnc machines, using a harmonic drive gearbox to get precise angular positioning and high torque with low backlash. Page 1 of 2 harmonic drives in mounts posted in mounts. For over 50 years, harmonic drive has been youre your partner for precision motion control. Study of dynamic properties of composite flexsplines of. The sun gear is connected to the motor and a carrier, supporting the planet gears, is connected to the output. Strain wave gear principle harmonic drive ag english new. Basically, the harmonicdrive developed to take advantage of the elastic dynamics of metal is typically made up of only three components.
Additionally the large tooth root radius increases the tooth strength compared with an involute tooth. Principles of harmonicdrive product information harmonic. Planetary gears have simultaneous meshing between the sun gear and planet gears and between the planet gears and the internal gear. Generally the harmonic has better dynamic stiffness but with much added complexity. The harmonic drive group companies are comprised of harmonic drive, llc united states, harmonic drive systems, inc. Our resource center holds white papers, technical guides, case studies and more. Performance matched precision gearing, motors, and encoders are designed to provide a power dense, cost effective solution.
Harmonic distortion harmonic problems are becoming more apparent because more harmonic producing equipment is being applied to power systems vfds electronic ballasts ups additionally, in many cases, these electronic based devices can also be more sensitive to harmonics effective grounding surge solutions harmonic solutions. Harmonic drive strain wave gearing utilizes a unique operating principle which is based upon the elastic mechanics of metals. All software used on the site is the property of harmonic drive or its software suppliers. The innovative concept of the harmonicdrive and its unique mechanism are the. We have shared core values, product designs and quality standards. Oct 23, 2019 bhsii type harmonic reducer connection mode series, the flexspline is a standard hollow type hat structure. Santa clara, california animatics corporation, through oem dynamics linear division, has expanded its product line into the linear actuator market with the release of the harmonic linear drive series. The compact ultralow harmonic drive has harmonics mitigation built into the drive. Harmonic drive is the brand name of strain wave gear trademarked by the harmonic drive company, and invented in 1957 by c.
1121 338 316 1075 374 716 397 1006 1337 829 1022 348 366 830 421 321 329 628 1257 437 1610 1113 1392 1137 1085 374 1178 596 1192 242 909 872 228 492 1552 941 196 1023 1089 1215 765 351 74 1107 157 1148