China High Torque Low Backlash Ratio 25: 1 Helical Planetary Reductor Gearbox coaxial helical inline gearbox

Product Description

High Torque Minimal Backlash Ratio 25:1 Helical Planetary Reductor Gearbox

Planetary gearbox is a variety of reducer with extensive versatility. The inner equipment adopts reduced carbon alloy metal carburizing quenching and grinding or nitriding procedure. Planetary gearbox has the traits of little composition measurement, large output torque, high pace ratio, large performance, risk-free and reliable efficiency, and so forth. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the correct precision reducer according to the demands of the application.

Solution Description

Description:
(1).The output shaft is manufactured of big dimension,big span double bearing layout,output shaft and planetary arm bracket as a total.The enter shaft is put straight on the earth arm bracket to make certain that the reducer has large functioning accuracy and highest torsional rigidity.
(2).Shell and the inner ring gear utilized built-in style,quenching and tempering after the processing of the teeth so that it can attain higher torque,large precision,higher dress in resistance.In addition floor nickel-plated anti-rust treatment method,so that its corrosion resistance greatly improved.
(3).The planetary equipment transmission employs complete needle roller without having retainer to boost the speak to floor,which greatly updates structural rigidity and services existence.
(4).The gear is manufactured of Japanese imported materials.Soon after the metal cutting procedure,the vacuum carburizing heat remedy to 58-62HRC. And then by the hobbing,Get the very best tooth form,tooth direction,to make sure that the gear of high precision and excellent affect toughness.
(5).Enter shaft and sun gear integrated structure,in get to enhance the operation accuracy of the reducer.

Characteristics:
one. Split layout, more output possibilities
2. The enter and output dimensions can be seamlessly switched with the straight tooth collection
3. The double support cage earth carrier has higher trustworthiness and is suitable for large-speed and recurrent CZPT and reverse rotation
four. The layout of double-stage single assistance help has high value functionality
five. Keyway can be opened for the pressure shaft
6. Helical gear transmission is more steady and has large bearing capacity
7. Correct positioning of low return clearance
eight. Specification selection: 60-120mm
nine. Velocity ratio variety: 3-100
10. Accuracy range: 1-3 arcmin (P1) 3-5 arcmin (P2)

Specifications PW60 PW90 PW120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 1350 3100 6100
Max. Axial Load N 630 1300 2800
Torsional Rigidity Nm/arcmin 5 ten twenty
Max.Enter Velocity rpm 6000 6000 6000
Rated Enter Pace rpm 4000 3000 3000
Noise dB ≤58 ≤60 ≤65
Average Existence Time h 20000
Efficiency Of Entire Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin ≤3 ≤3 ≤3
L2 arcmin ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5
L2 arcmin ≤7 ≤7 ≤7
Instant Of Inertia Table L1 three Kg*cm2 .16 .61 three.twenty five
4 Kg*cm2 .14 .48 2.seventy four
five Kg*cm2 .13 .47 two.seventy one
seven Kg*cm2 .13 .45 2.sixty two
eight Kg*cm2 .13 .45 2.sixty two
ten Kg*cm2 .13 .40  two.57
L2 twelve Kg*cm2 .thirteen .sixty one .45
fifteen Kg*cm2 .thirteen .61 .45
twenty Kg*cm2 .13 .45 .45
twenty five Kg*cm2 .thirteen .40  .40 
28 Kg*cm2 .thirteen .forty five .forty five
thirty Kg*cm2 .13 .67 .45
35 Kg*cm2 .13 .45 .45
40 Kg*cm2 .13 .45 .45
fifty Kg*cm2 .thirteen .40  .40 
70 Kg*cm2 .13 .40  .40 
100 Kg*cm2 .thirteen .40  .40 
Technological Parameter Level Ratio   PW60 PW90 PW120
Rated Torque L1 3 Nm 35 one hundred one hundred sixty five
4 Nm forty three one hundred twenty five 220
5 Nm 43 125 220
7 Nm forty ninety eight 200
eight Nm 40 90 two hundred
ten Nm 25 70 150
L2 12 Nm 35 / a hundred sixty five
15 Nm 35 one hundred a hundred sixty five
20 Nm 43 125 220
twenty five Nm forty three one hundred twenty five 220
28 Nm forty three a hundred twenty five 220
30 Nm 35 a hundred one hundred sixty five
35 Nm 43 one hundred twenty five 210
40 Nm forty three a hundred twenty five 210
fifty Nm forty three one hundred twenty five 210
70 Nm forty 98 200
one hundred Nm 25 70 a hundred and fifty
Degree Of Defense   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 1.two two.8 seven.6
L2 kg one.fifty five 3.ninety five 10.five

Company Profile

Packaging & Delivery

1. Guide time: 7-10 days as typical, twenty days in hectic time, it will be based mostly on the detailed buy quantity
2. Shipping and delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

FAQ

one. who are we?
Hefa Team is based in ZheJiang , China, commence from 1998,has a 3 subsidiaries in complete.The Primary Merchandise is planetary gearbox,timing belt pulley, helical equipment,spur equipment,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we assure quality?
Often a pre-generation sample prior to mass generation
Often last Inspection just before cargo

3. how to choose the appropriate planetary gearbox?
1st of all,we need you to be in a position to give appropriate parameters.If you have a motor drawing,it will allow us recommend a suited gearbox for you quicker.If not,we hope you can offer the subsequent motor parameters:output speed,output torque,voltage,current,ip,sounds,working problems,motor measurement and power,and many others

four. why need to you buy from us not from other suppliers?
We are 22 several years ordeals company on making the gears, specializing in production all types of spur/bevel/helical gear, grinding gear, equipment shaft, timing pulley, rack, planetary equipment reducer, timing belt and this kind of transmission gear elements

5. what services can we provide?
Accepted Delivery Conditions: Fedex,DHL,UPS
Acknowledged Payment Forex:USD,EUR,HKD,GBP,CNY
Approved Payment Kind: T/T,L/C,PayPal,Western Union
Language Spoken:English,Chinese,Japanese

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

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Samples:
US$ 185/Piece
1 Piece(Min.Order)

|
Request Sample

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Customization:
Available

|


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Specifications PW60 PW90 PW120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 1350 3100 6100
Max. Axial Load N 630 1300 2800
Torsional Rigidity Nm/arcmin 5 10 20
Max.Input Speed rpm 6000 6000 6000
Rated Input Speed rpm 4000 3000 3000
Noise dB 58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Full Load % L195%       L290%
Return Backlash P1 L1 arcmin ≤3 ≤3 ≤3
L2 arcmin ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5
L2 arcmin ≤7 ≤7 ≤7
Moment Of Inertia Table L1 3 Kg*cm2 0.16 0.61 3.25
4 Kg*cm2 0.14 0.48 2.74
5 Kg*cm2 0.13 0.47 2.71
7 Kg*cm2 0.13 0.45 2.62
8 Kg*cm2 0.13 0.45 2.62
10 Kg*cm2 0.13 0.40  2.57
L2 12 Kg*cm2 0.13 0.61 0.45
15 Kg*cm2 0.13 0.61 0.45
20 Kg*cm2 0.13 0.45 0.45
25 Kg*cm2 0.13 0.40  0.40 
28 Kg*cm2 0.13 0.45 0.45
30 Kg*cm2 0.13 0.67 0.45
35 Kg*cm2 0.13 0.45 0.45
40 Kg*cm2 0.13 0.45 0.45
50 Kg*cm2 0.13 0.40  0.40 
70 Kg*cm2 0.13 0.40  0.40 
100 Kg*cm2 0.13 0.40  0.40 
Technical Parameter Level Ratio   PW60 PW90 PW120
Rated Torque L1 3 Nm 35 100 165
4 Nm 43 125 220
5 Nm 43 125 220
7 Nm 40 98 200
8 Nm 40 90 200
10 Nm 25 70 150
L2 12 Nm 35 / 165
15 Nm 35 100 165
20 Nm 43 125 220
25 Nm 43 125 220
28 Nm 43 125 220
30 Nm 35 100 165
35 Nm 43 125 210
40 Nm 43 125 210
50 Nm 43 125 210
70 Nm 40 98 200
100 Nm 25 70 150
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 1.2 2.8 7.6
L2 kg 1.55 3.95 10.5
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$ 185/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:
Available

|


###

Specifications PW60 PW90 PW120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 1350 3100 6100
Max. Axial Load N 630 1300 2800
Torsional Rigidity Nm/arcmin 5 10 20
Max.Input Speed rpm 6000 6000 6000
Rated Input Speed rpm 4000 3000 3000
Noise dB 58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Full Load % L195%       L290%
Return Backlash P1 L1 arcmin ≤3 ≤3 ≤3
L2 arcmin ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5
L2 arcmin ≤7 ≤7 ≤7
Moment Of Inertia Table L1 3 Kg*cm2 0.16 0.61 3.25
4 Kg*cm2 0.14 0.48 2.74
5 Kg*cm2 0.13 0.47 2.71
7 Kg*cm2 0.13 0.45 2.62
8 Kg*cm2 0.13 0.45 2.62
10 Kg*cm2 0.13 0.40  2.57
L2 12 Kg*cm2 0.13 0.61 0.45
15 Kg*cm2 0.13 0.61 0.45
20 Kg*cm2 0.13 0.45 0.45
25 Kg*cm2 0.13 0.40  0.40 
28 Kg*cm2 0.13 0.45 0.45
30 Kg*cm2 0.13 0.67 0.45
35 Kg*cm2 0.13 0.45 0.45
40 Kg*cm2 0.13 0.45 0.45
50 Kg*cm2 0.13 0.40  0.40 
70 Kg*cm2 0.13 0.40  0.40 
100 Kg*cm2 0.13 0.40  0.40 
Technical Parameter Level Ratio   PW60 PW90 PW120
Rated Torque L1 3 Nm 35 100 165
4 Nm 43 125 220
5 Nm 43 125 220
7 Nm 40 98 200
8 Nm 40 90 200
10 Nm 25 70 150
L2 12 Nm 35 / 165
15 Nm 35 100 165
20 Nm 43 125 220
25 Nm 43 125 220
28 Nm 43 125 220
30 Nm 35 100 165
35 Nm 43 125 210
40 Nm 43 125 210
50 Nm 43 125 210
70 Nm 40 98 200
100 Nm 25 70 150
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 1.2 2.8 7.6
L2 kg 1.55 3.95 10.5

Advantages of a Helical Gearbox

Usually helical gearboxes are used for industrial purposes. They are usually found in power generation units, where the input of energy is converted into output. There are several different types of helical gearboxes, including spiral and herringbone. You should familiarize yourself with the different types before choosing one for your project.helical gearbox

Helix angle

Generally, the angle between a gear tooth and its shaft axis is called the helix angle. This angle is important in motion conversion and power transfer. It is not to be confused with the lead angle, which is used to reference a line perpendicular to the axis of the gear.
The helical gearbox is used in several industrial applications. The oil and sugar industries, blowers, and feeders are among those that utilize helical gears. They are smoother than spur gears, and they also have quieter operation.
Helical gearboxes can be made modularly. This allows for more economical construction and interchangeability of components. These gearboxes are also used in enclosed gear systems. In a helical gearbox, each section of the box must stagger in a different direction. This helps in maintaining the integrity of the component.
Helical gears can be used in applications that require a high degree of quality control. This is necessary to minimize the effects of wear and tear. The use of extreme pressure lubricants is recommended for helical gears that operate at right angles. However, these are not recommended for bronze gears.
Besides the helix angle, the contact ratio also affects the performance of the gear. The more surface contact between the teeth, the greater the sliding. The heat produced is also detrimental to performance. It is necessary to use a lubricant that will reduce friction between the tooth surfaces. Proper lubrication reduces wear and minimizes heat.
When determining the optimum helix angle for a gear, it is important to consider the diameter of the gear. Helical gears have a minimum helix angle of 15 to 30 degrees. A higher helix angle increases the axial force generated by the gear, and a lower helix angle increases the contact stress.

Spiral gears

Using spiral gears in a helical gearbox offers several advantages, including smoothness and quiet operation. In addition, helical gearboxes are highly effective and can tolerate more load. Spiral gears are also more cost effective. However, they are more difficult to produce.
Helical gears are similar to spur gears in that they have teeth at an angle. However, the helix angle of the teeth in a helical gear is not fixed. This angle affects the position of the tooth’s contact with the mating gear. It also affects the normal force of the teeth.
The helix angle of the gear’s teeth is also dependent on the direction of rotation of the gear. For example, a spiral gear with a helix angle of 15 degrees is usually perpendicular to the axis of the gear. Similarly, a helical gear with a helix angle of 30 degrees is usually oblique to the axis of the gear.
Helical gears also provide a method for connecting shafts that are not parallel. These gears are usually used in industries such as conveyors, food industries, plastic industries, and oil industries. The main advantage of helical gears is that they are smoother than spur gears. However, the downside is higher wear and friction.
Helical gears are also used to transmit motion between parallel shafts. Helical gears are also used in high-load applications. This makes them a good choice for heavy-duty applications.
Helical gears are also superior to spur gears in load carrying capacity. Helical gears are smoother and quieter than spur gears. However, they also have a higher friction factor. In addition, they require special hobbing cutters.
Helical gears can also be classified according to their reference section in the standard plane. The center gap of helical gears with a reference section in the turning plane is the same as that of spur gears.helical gearbox

Herringbone gears

Among the different types of gearboxes, the helical gearbox is one of the most common. It is widely used in industrial applications, such as geared motors, worm gearboxes, and planetary gear trains.
A helical gear is a directional gear with a vertical axis. Its unique feature is the helix angle, which is the angle of the helix on the indexing cylindrical surface. The helix angle is set to a value of eight to fifteen degrees in design. The real radial pitch, which is the pitch of the gear when it rotates clockwise, varies with the helix angle.
Helical gears are classified according to the reference section in the turning and standard planes. Helical gears with a reference section in the standard plane have the same number of teeth as spur gears. On the other hand, helical gears with a reference section in a turning plane have the same center gap as spur gears.
The main advantage of helical gears is the high power-to-weight ratio. Aside from that, they are compact and have good meshing performance.
Another advantage is their high torque carrying capacity. This can be achieved by increasing the helix angle. The larger the helix angle, the smoother the gear’s motion. Moreover, the larger the helix angle, the larger the coincidence degree. This is useful in applications with high shock and vibration.
The production process for herringbone gears is more difficult and expensive than the other types. It is difficult to cut and shape herringbone gears. A simple gear hobbing machine is not suitable for this type of gear. However, the milling process can be used to process some herringbone gears.
Some of the problems related to herringbone gears are a lack of axial load, high friction and the interference of axial component forces. The meshing of teeth in herringbone gears can help reduce these problems.

Noise, vibration & harshness (NVH) characteristics

NVH testing is an important aspect of new driveline product development. It is typically performed during passenger car development, and is used for quality assurance of exterior and interior noise. This is an important topic in hybrid vehicles and electric vehicles, and continues to grow as the automotive industry expands.
A typical NVH test involves a rolling road dynamometer and signals are recorded and stored on a hard disk. These are then processed to produce variation distributions. Among other things, a lumped parameter system dynamics model was developed to run large size DOE studies efficiently.
Among the many components in the NVH chain, the bevel gear plays a major role in the final drive. Its characteristics are complex and time-varying, but they are important enough to be studied.
A new bevel gear OTE calculation method will be discussed in this paper. It is important to note that the NVH performance of an electric drive helical gear transmission system can be improved by thermal deformation of the bearing. It is also possible to achieve robust NVH performance in aluminum axle design by optimizing gear design, bearing optimization, and driveline system dynamics.
The gear train also has some lesser-known NVH performance characteristics. It is known that a gear train is an excitation source, and this is the topic of another study. It is also important to note that a helical gear system will exhibit non-linear behaviors when it changes working speed.helical gearbox

Applications

Compared to spur gears, helical gears offer greater load carrying capacity and smoother operation. They are also quieter, as the gears have larger teeth. These are the main reasons for their widespread use.
The main difference between helical gears and spur gears is the way teeth are cut. Teeth in helical gears are cut at an angle, in order to allow more teeth to interact in the same direction. This reduces shock loads and vibration. Helical gears are also much more durable than spur gears.
Helical gears can be used in a variety of applications. They are often chosen over spur gears for applications that require non-parallel shafts. They are also popular in the printing industry, the plastics industry, and the cement industry. They can also be used in conveyors and coolers.
Helical gears are made of a material that provides excellent durability, corrosion resistance, and a strong working load. They are also less expensive to produce. They are attached to a shaft using a press fit or adhesive. The attachment method can be a hub or an integral shaft.
Helical gears are also produced in a radial module form. This is the most economical option. This allows helical gears to be manufactured in a compact format. It also ensures that the bearing positioning requirements are met.
Helical gears are also produced with special grinding stones. These are needed for every helix angle. The helix angle determines the real radial pitch. This also affects the normal force of the tooth.
When mating helical gears to parallel shafts, they are right-handed. These gears can be made with a normal module set or by using special hobbing tools.
China High Torque Low Backlash Ratio 25: 1 Helical Planetary Reductor Gearbox     coaxial helical inline gearboxChina High Torque Low Backlash Ratio 25: 1 Helical Planetary Reductor Gearbox     coaxial helical inline gearbox
editor by CX 2023-03-27