Product Description
PFN90 Servo Motor Power Transmission Parts Planetary Reducer Gearbox
Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.
Product Parameters
Characteristics:
1.Hole output structure,easy installation.
2.Straight tooth drive ,single cantilever structure.simple design,economic price.
3.Working steady. Low noise.
4.Low return backlash. Can suit most occasion.
5.The input connection specifications are complete and there are many choices.
6.Keyway can be opened in the force shaft.
7.Square mount flange output,high precision,high torque.
8.Speed ratio range:3-100
9.Precision range:8-16arcmin
10.Size range:60-160mm
| Specifications | PFN60 | PFN80 | PFN90 | PFN120 | PFN160 | |||
| Technal Parameters | ||||||||
| Max. Torque | Nm | 1.5times rated torque | ||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||||
| Max. Radial Load | N | 240 | 400 | 450 | 1240 | 2250 | ||
| Max. Axial Load | N | 220 | 420 | 430 | 1000 | 1500 | ||
| Torsional Rigidity | Nm/arcmin | 1.8 | 4.7 | 4.85 | 11 | 35 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 4000 | ||
| Rated Input Speed | rpm | 4000 | 3500 | 3500 | 3500 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤60 | ≤65 | ≤70 | ||
| Average Life Time | h | 20000 | ||||||
| Efficiency Of Full Load | % | L1≥96% L2≥94% | ||||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 | ≤8 | ≤8 |
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 |
| 4 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 5 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 7 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| 10 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| L2 | 12 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | |
| 15 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 16 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 20 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 25 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 28 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 30 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 35 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 40 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 50 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 70 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 100 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| Technical Parameter | Level | Ratio | PFN60 | PFN80 | PFN90 | PFN120 | PFN160 | |
| Rated Torque | L1 | 3 | Nm | 27 | 50 | 96 | 161 | 364 |
| 4 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 5 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 7 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 10 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| L2 | 12 | Nm | 27 | 50 | 96 | 161 | 364 | |
| 15 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 16 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 20 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 25 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 28 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 30 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 35 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 40 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 50 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 70 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 100 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| Degree Of Protection | IP65 | |||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||||
| Weight | L1 | kg | 0.95 | 2.27 | 3.06 | 6.93 | 15.5 | |
| L2 | kg | 1.2 | 2.8 | 3.86 | 8.98 | 17 | ||
Company Profile
FAQ
1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
5.What’s your lead time?
Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery |
|---|---|
| Function: | Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Samples: |
US$ 150/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Planetary Gearbox
This article will explore the design and applications of a planetary gearbox. The reduction ratio of a planetary gearbox is dependent on the number of teeth in the gears. The ratios of planetary gearboxes are usually lower than those of conventional mechanical transmissions, which are mainly used to drive engines and generators. They are often the best choice for heavy-duty applications. The following are some of the advantages of planetary gearboxes.
planetary gearboxes
Planetary gearboxes work on a similar principle to solar systems. They rotate around a center gear called the sun gear, and two or more outer gears, called planet gears, are connected by a carrier. These gears then drive an output shaft. The arrangement of planet gears is similar to that of the Milky Way’s ring of planets. This arrangement produces the best torque density and stiffness for a gearbox.
As a compact alternative to normal pinion-and-gear reducers, planetary gearing offers many advantages. These characteristics make planetary gearing ideal for a variety of applications, including compactness and low weight. The efficiency of planetary gearing is enhanced by the fact that ninety percent of the input energy is transferred to the output. The gearboxes also have low noise and high torque density. Additionally, their design offers better load distribution, which contributes to a longer service life.
Planetary gears require lubrication. Because they have a smaller footprint than conventional gears, they dissipate heat well. In fact, lubrication can even lower vibration and noise. It’s also important to keep the gears properly lubricated to prevent the wear and tear that comes with use. The lubrication in planetary gears also helps keep them operating properly and reduces wear and tear on the gears.
A planetary gearbox uses multiple planetary parts to achieve the reduction goal. Each gear has an output shaft and a sun gear located in the center. The ring gear is fixed to the machine, while the sun gear is attached to a clamping system. The outer gears are connected to the carrier, and each planetary gear is held together by rings. This arrangement allows the planetary gear to be symmetrical with respect to the input shaft.
The gear ratio of a planetary gearbox is defined by the sun gear’s number of teeth. As the sun gear gets smaller, the ratio of the gear will increase. The ratio range of planetary gears ranges from 3:1 to ten to one. Eventually, however, the sun gear becomes too small, and the torque will fall significantly. The higher the ratio, the less torque the gears can transmit. So, planetary gears are often referred to as “planetary” gears.
Their design
The basic design of a Planetary Gearbox is quite simple. It consists of three interconnecting links, each of which has its own torque. The ring gear is fixed to the frame 0 at O, and the other two are fixed to each other at A and B. The ring gear, meanwhile, is attached to the planet arm 3 at O. All three parts are connected by joints. A free-body diagram is shown in Figure 9.
During the development process, the design team will divide the power to each individual planet into its respective power paths. This distribution will be based on the meshing condition of all gears in the system. Then, the design team will proceed to determine the loads on individual gear meshes. Using this method, it is possible to determine the loads on individual gear meshes and the shape of ring gear housing.
Planetary Gearboxes are made of three gear types. The sun gear is the center, which is connected to the other two gears by an internal tooth ring gear. The planet pinions are arranged in a carrier assembly that sets their spacing. The carrier also incorporates an output shaft. The three components in a Planetary Gearbox mesh with each other, and they rotate together as one. Depending on the application, they may rotate at different speeds or at different times.
The planetary gearbox’s design is unique. In a planetary gearbox, the input gear rotates around the central gear, while the outer gears are arranged around the sun gear. In addition, the ring gear holds the structure together. A carrier connects the outer gears to the output shaft. Ultimately, this gear system transmits high torque. This type of gearbox is ideal for high-speed operations.
The basic design of a Planetary Gearbox consists of multiple contacts that must mesh with each other. A single planet has an integer number of teeth, while the ring has a non-integer number. The teeth of the planets must mesh with each other, as well as the sun. The tooth counts, as well as the planet spacing, play a role in the design. A planetary gearbox must have an integer number of teeth to function properly.
Applications
In addition to the above-mentioned applications, planetary gearing is also used in machine tools, plastic machinery, derrick and dock cranes, and material handling equipments. Further, its application is found in dredging equipment, road-making machinery, sugar crystallizers, and mill drives. While its versatility and efficiency makes it a desirable choice for many industries, its complicated structure and construction make it a complex component.
Among the many benefits of using a planetary gearbox, the ability to transmit greater torque into a controlled space makes it a popular choice for many industries. Moreover, adding additional planet gears increases the torque density. This makes planetary gears suitable for applications requiring high torque. They are also used in electric screwdrivers and turbine engines. However, they are not used in everything. Some of the more common applications are discussed below:
One of the most important features of planetary gearboxes is their compact footprint. They are able to transmit torque while at the same time reducing noise and vibration. In addition to this, they are able to achieve a high speed without sacrificing high-quality performance. The compact footprint of these gears also allows them to be used in high-speed applications. In some cases, a planetary gearbox has sliding sections. Some of these sections are lubricated with oil, while others may require a synthetic gel. Despite these unique features, planetary gears have become common in many industries.
Planetary gears are composed of three components. The sun gear is the input gear, whereas the planet gears are the output gears. They are connected by a carrier. The carrier connects the input shaft with the output shaft. A planetary gearbox can be designed for various requirements, and the type you use will depend on the needs of your application. Its design and performance must meet your application’s needs.
The ratios of planetary gears vary depending on the number of planets. The smaller the sun gear, the greater the ratio. When planetary stages are used alone, the ratio range is 3:1 to 10:1. Higher ratios can be obtained by connecting several planetary stages together in the same ring gear. This method is known as a multi-stage gearbox. However, it can only be used in large gearboxes.
Maintenance
The main component of a planetary gearbox is the planetary gear. It requires regular maintenance and cleaning to remain in top shape. Demand for a longer life span protects all other components of the gearbox. This article will discuss the maintenance and cleaning procedures for planetary gears. After reading this article, you should know how to maintain your planetary gearbox properly. Hopefully, you can enjoy a longer life with your gearbox.
Firstly, it is important to know how to properly lubricate a planetary gearbox. The lubricant is essential as gears that operate at high speeds are subject to high levels of heat and friction. The housing of the planetary gearbox should be constructed to allow the heat to dissipate. The recommended oil is synthetic, and it should be filled between 30 and 50 percent. The lubricant should be changed at least every six months or as needed.
While it may seem unnecessary to replace a planetary gearbox, regular servicing will help it last a long time. A regular inspection will identify a problem and the appropriate repairs are needed. Once the planetary gearbox is full, it will plug with gear oil. To avoid this problem, consider getting the unit repaired instead of replacing the gearbox. This can save you a lot of money over a new planetary gearbox.
Proper lubrication is essential for a long life of your planetary gearbox. Oil change frequency should be based on oil temperature and operating speed. Oil at higher temperatures should be changed more frequently because it loses its molecular structure and cannot form a protective film. After this, oil filter maintenance should be performed every few months. Lastly, the gearbox oil needs to be checked regularly and replaced when necessary.


editor by CX 2023-04-28
China best Manufacture Directly Sale 7/43 Basin Angle Gear for CZPT Coaster Power Transmission Parts with Great quality
Solution Description
Product Description
Business Profile
HangZhou CZPT Machinery is a professional manufacture of spiral bevel gear. The firm has CNC milling machine, the GLEASON milling equipment, rolling inspection machine, gear measuring middle, a entire set of metallographic examination, inspection equipment and other associated superior products.
Our company owns equipment measuring middle equipped with superior tests devices such as contourgraph, CZPT measuring microscope and full set netlaaographic investigation detector. According to various technical requirements and via techniques of sampling, unique inspection and re-evaluation, multi-indexes of gears like observation, measurement and tracking can be finished.
With our higher quality items, large reliability and trusty cooperation, aiming to be a very specialised gear maker of higher degree and all-directional service,we are seeking ahead to your business negotiation and our promising cooperation.
FAQ
Q1: Are your items normal?
A: Our product is common, if you have particular need, pls inform us.
Q2: What is you principal groups?
A: CZPT truck parts, Nissan truck parts, Hino truck areas, CZPT truck components,Toyota truck Elements,Mazda truck elements.
Q3: If we do not discover what we want on your web site, what must we do?
A: You can email us the descriptions and photos of the merchandise you need, we will examine no matter whether we have them.
B: We create new things every month, and some of them have not been uploaded to web site in time. Or you can send out us sample by express, we will produce this product for bulk purchasing.
Q4: What is your terms of payment?
A: T/T 30% as deposit, and 70% prior to delivery. We are going to display you the photographs of the products and packages before you pay out the balance
Q5:Do you examination all your products ahead of shipping and delivery?
Of course, we have a hundred% examination prior to shipping
Helical, Straight-Reduce, and Spiral-Bevel Gears
If you are planning to use bevel gears in your device, you want to comprehend the differences among Helical, Straight-lower, and Spiral bevel gears. This article will introduce you to these gears, as effectively as their programs. The post will also examine the advantages and down sides of each variety of bevel equipment. When you know the variations, you can choose the right equipment for your device. It is easy to discover about spiral bevel gears.
Spiral bevel gear
Spiral bevel gears perform a essential function in the aeronautical transmission technique. Their failure can result in devastating mishaps. As a result, correct detection and fault examination are needed for maximizing equipment method effectiveness. This report will examine the function of computer aided tooth contact investigation in fault detection and meshing pinion placement mistakes. You can use this approach to detect difficulties in spiral bevel gears. Additional, you will find out about its software in other transmission methods.
Spiral bevel gears are created to mesh the gear tooth much more slowly and properly. In contrast to straight bevel gears, spiral bevel gears are much less costly to manufacture with CNC machining. Spiral bevel gears have a wide selection of applications and can even be employed to decrease the measurement of push shafts and bearings. There are many advantages to spiral bevel gears, but most of them are minimal-value.
This kind of bevel equipment has a few fundamental factors: the pinion-gear pair, the load machine, and the output shaft. Every single of these is in torsion. Torsional stiffness accounts for the elasticity of the method. Spiral bevel gears are excellent for programs requiring restricted backlash monitoring and substantial-velocity functions. CZPT precision machining and adjustable locknuts reduce backlash and permit for specific adjustments. This lowers upkeep and maximizes travel lifespan.
Spiral bevel gears are helpful for both higher-pace and low-pace applications. High-speed programs need spiral bevel gears for highest effectiveness and speed. They are also perfect for higher-speed and substantial torque, as they can reduce rpm with no impacting the vehicle’s pace. They are also excellent for transferring power between two shafts. Spiral bevel gears are extensively employed in automotive gears, development products, and a variety of industrial apps.
Hypoid bevel equipment
The Hypoid bevel gear is similar to the spiral bevel equipment but differs in the form of the tooth and pinion. The smallest ratio would result in the lowest gear reduction. A Hypoid bevel equipment is really sturdy and efficient. It can be used in confined areas and weighs much less than an equal cylindrical gear. It is also a well-known selection for higher-torque programs. The Hypoid bevel gear is a great decision for programs demanding a substantial level of velocity and torque.
The Hypoid bevel equipment has numerous teeth that mesh with every other at the exact same time. Because of this, the gear transmits torque with quite minor sound. This allows it to transfer a larger torque with significantly less sound. Even so, it must be mentioned that a Hypoid bevel equipment is typically more high-priced than a spiral bevel equipment. The expense of a Hypoid bevel equipment is higher, but its rewards make it a popular decision for some apps.
A Hypoid bevel equipment can be created of numerous varieties. They could vary in the quantity of enamel and their spiral angles. In basic, the smaller hypoid gear has a bigger pinion than its counterpart. This indicates that the hypoid equipment is a lot more efficient and much better than its bevel cousin. It can even be almost silent if it is effectively lubricated. Once you’ve produced the decision to get a Hypoid bevel equipment, be certain to read through up on its rewards.
Yet another typical application for a Hypoid bevel gear is in cars. These gears are typically utilized in the differential in cars and vehicles. The torque transfer characteristics of the Hypoid equipment program make it an exceptional decision for numerous purposes. In addition to maximizing performance, Hypoid gears also offer smoothness and performance. While some men and women could argue that a spiral bevel equipment set is much better, this is not an perfect remedy for most auto assemblies.
Helical bevel equipment
In comparison to helical worm gears, helical bevel gears have a modest, compact housing and are structurally optimized. They can be mounted in a variety of techniques and attribute double chamber shaft seals. In addition, the diameter of the shaft and flange of a helical bevel equipment is comparable to that of a worm gear. The gear box of a helical bevel gear device can be as small as 1.6 inches, or as big as eight cubic ft.
The main characteristic of helical bevel gears is that the enamel on the driver equipment are twisted to the left and the helical arc gears have a similar design. In addition to the backlash, the enamel of bevel gears are twisted in a clockwise and counterclockwise path, dependent on the variety of helical bevels in the bevel. It is essential to observe that the tooth contact of a helical bevel equipment will be reduced by about ten to 20 p.c if there is no offset amongst the two gears.
In buy to produce a helical bevel gear, you require to very first determine the gear and shaft geometry. After the geometry has been described, you can proceed to incorporate bosses and perforations. Then, specify the X-Y airplane for equally the equipment and the shaft. Then, the cross part of the gear will be the foundation for the strong designed soon after revolution around the X-axis. This way, you can make sure that your equipment will be suitable with the pinion.
The improvement of CNC devices and additive manufacturing procedures has drastically simplified the producing process for helical bevel gears. These days, it is possible to style an unlimited number of bevel equipment geometry utilizing substantial-tech equipment. By using the kinematics of a CNC machine heart, you can develop an unrestricted variety of gears with the best geometry. In the method, you can make equally helical bevel gears and spiral bevel gears.
Straight-reduce bevel equipment
A straight-lower bevel gear is the least difficult to manufacture. The very first method of production a straight bevel gear was to use a planer with an indexing head. Later on, more effective approaches of manufacturing straight bevel gears had been introduced, such as the Revacycle technique and the Coniflex system. The latter approach is employed by CZPT. Listed here are some of the main benefits of employing a straight-minimize bevel gear.
A straight-cut bevel equipment is defined by its enamel that intersect at the axis of the equipment when extended. Straight-minimize bevel gears are usually tapered in thickness, with the outer portion becoming more substantial than the interior portion. Straight-minimize bevel gears show instantaneous lines of make contact with, and are greatest suited for low-pace, static-load applications. A typical software for straight-minimize bevel gears is in the differential systems of automobiles.
After currently being machined, straight-minimize bevel gears go through heat treatment. Scenario carburizing makes gears with surfaces of sixty-63 Rc. Utilizing this strategy, the pinion is 3 Rc more challenging than the equipment to equalize use. Flare hardening, flame hardening, and induction hardening strategies are seldom used. Finish machining involves turning the outer and inner diameters and particular machining procedures.
The tooth of a straight-minimize bevel equipment expertise influence and shock loading. Since the enamel of the two gears appear into speak to abruptly, this prospects to extreme sound and vibration. The latter limits the speed and power transmission ability of the equipment. On the other hand, a spiral-cut bevel gear ordeals gradual but considerably less-damaging loading. It can be used for higher-pace purposes, but it ought to be famous that a spiral-reduce bevel equipment is more challenging to manufacture.
Spur-minimize bevel gear
CZPT stocks bevel gears in spiral and straight tooth configurations, in a range of ratios from 1.5 to five. They are also very remachinable other than for the enamel. Spiral bevel gears have a reduced helix angle and outstanding precision houses. CZPT stock bevel gears are produced employing state-of-the-art technologies and know-how. In contrast with spur-reduce gears, these have a for a longer time lifestyle span.
To decide the strength and toughness of a spur-cut bevel equipment, you can compute its MA (mechanical advantage), surface area sturdiness (SD), and tooth number (Nb). These values will range depending on the layout and software environment. You can seek advice from the corresponding guides, white papers, and complex specifications to find the very best equipment for your demands. In addition, CZPT delivers a Supplier Discovery Platform that allows you to learn more than five hundred,000 suppliers.
Yet another type of spur gear is the double helical equipment. It has each remaining-hand and appropriate-hand helical enamel. This layout balances thrust forces and provides additional equipment shear region. Helical gears, on the other hand, feature spiral-cut teeth. While the two varieties of gears could produce considerable sounds and vibration, helical gears are more effective for high-pace apps. Spur-cut bevel gears might also result in similar consequences.
In addition to diametral pitch, the addendum and dedendum have other crucial qualities. The dedendum is the depth of the teeth underneath the pitch circle. This diameter is the key to deciding the centre length among two spur gears. The radius of each pitch circle is equivalent to the complete depth of the spur gear. Spur gears often use the addendum and dedendum angles to explain the tooth.

