Tag Archives: harmonic reducer drive

China Harmonic Drive Gearbox Reducer Planetary Gearbox bicycle planetary gearbox

Product Description

Solution Description:

1. Flexspline is a hollow flanging normal cylinder framework.

2. The framework of the total merchandise is compact. The input shaft is directly matched with the interior hole of the wave generator. They are linked by a flat crucial slot.

3. The connecting way is round spline fixed and adaptable output, Or it can also be utilised that versatile fixed and round spline output.

Advantages:

1. Large precision, substantial torque

two. Committed technical personnel can be on-the-go to provide style remedies

three. Factory direct revenue fantastic workmanship tough good quality assurance

4. Item quality troubles have a one particular-year guarantee time, can be returned for substitution or repair

Business profile:

 

HangZhou CZPT Technologies Co., Ltd. established in 2014, is committed to the R & D plant of higher-precision transmission components. At existing, the annual manufacturing potential can reach 45000 sets of harmonic reducers. We firmly think in quality 1st. All links from uncooked materials to concluded goods are strictly supervised and managed, which gives a CZPT foundation for merchandise quality. Our items are marketed all more than the nation and overseas.

The harmonic reducer and other substantial-precision transmission elements ended up independently developed by the business. Our firm spends 20% of its sales every single 12 months on the investigation and development of new systems in the industry. There are 5 men and women in R & D.

Our advantage is as underneath:

1.7 years of marketing and advertising experience

2. 5-particular person R & D staff to provide you with technological support

3. It is sold at property and abroad and exported to Turkey and Eire

four. The item good quality is confirmed with a one-12 months warranty

5. Items can be tailored

Energy manufacturing facility:

Our plant has an complete campus The number of workshops is around three hundred Regardless of whether it’s from the manufacturing of uncooked components and the procurement of raw components to the inspection of completed products, we are performing it ourselves. There is a complete production program

HCS-I Parameter:

Model Speed ratio Enter the rated torque at 2000r/min Allowed CZPT torque at begin cease The allowable greatest of the typical load torque Maximum torque is authorized in an immediate Allow the maximum speed to be entered Common enter velocity is permitted Back gap design existence
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 eighty three.eight .4 8.five .9 six.8 .seven 19.one 1.nine 8000 3000 ≤30 10000
100 4.1 .4 eight.9 .9 7.2 .seven 20 two
14 50 6.two .6 20.seven 2.one 7.9 .7 40.three 4.1 7000 3000 ≤30 15000
80 9 .9 27 two.7 12.7 1.3 fifty four.1 five.five
one hundred nine .nine 32 three.3 12.seven 1.3 62.1 6.three
17 50 eighteen.four one.9 39 four 29.nine three 80.5 eight.2 6500 3000 ≤30 15000
80 twenty five.3 two.6 49.5 five 31 three.2 one hundred.1 ten.2
a hundred 27.6 two.8 sixty two six.3 forty five 4.6 124.2 12.7
20 50 28.eight 2.9 64.four six.six 39 4 112.7 11.five 5600 3000 ≤30 15000
80 39.1 4 eighty five 8.eight fifty four 5.five 146.1 fourteen.9
one hundred 46 4.seven ninety four.3 9.6 56 five.8 169.one 17.two
120 forty six four.7 100 10.two fifty six five.eight 169.one seventeen.2
one hundred sixty 46 four.seven 112 ten.nine fifty six 5.8 169.one seventeen.two
25 50 forty four.9 4.six 113 eleven.5 63 6.five 213.9 21.eight 4800 3000 ≤30 15000
eighty seventy two.five seven.4 158 sixteen.one one hundred 10.2 293.3 29.9
one hundred 77.one seven.9 181 18.4 124 12.seven 326.six 33.3
120 77.1 7.9 192 19.6 124 twelve.7 349.6 35.6
32 50 87.4 8.9 248 twenty five.three 124 12.seven 439 44.eight 4000 3000 ≤30 15000
eighty 135.7 thirteen.8 350 35.6 192 19.6 653 66.6
a hundred 157.6 sixteen.1 383 39.one 248 twenty five.3 744 75.nine
one hundred twenty 157.six 16.one 406 forty one.four 248 twenty five.three 789 80.5

HCG Parameter:

Model Speed ratio Enter the rated torque at 2000r/min Allowed CZPT torque at begin cease The allowable maximum of the regular load torque Maximum torque is permitted in an quick Permit the greatest pace to be entered Regular enter velocity is authorized Back hole design and style life
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 80 three.eight .4 eight.5 .9 six.8 .7 19.1 one.nine 8000 3000 ≤20 10000
100 four.1 .4 eight.nine .9 seven.2 .7 twenty two
14 fifty seven .seven 23 two.3 9 .9 46 four.7 10000 6500 ≤20 15000
80 10 one thirty 3.1 14 one.four sixty one 6.two
100 10 one 36 three.7 fourteen 1.four 70 seven.two
17 fifty 21 2.1 44 four.five 34 three.4 ninety one nine 7500 5600 ≤20 20000
80 29 2.nine fifty six 5.7 35 3.six 113 twelve
one hundred 31 3.two 70 seven.2 fifty one 5.2 143 15
20 fifty 33 three.three seventy three 7.4 forty four 4.5 127 thirteen 7000 4800 ≤20 2000
80 forty four four.five ninety six 9.eight 61 six.two 165 17
100 fifty two 5.three 107 10.nine sixty four 6.5 191 twenty
one hundred twenty fifty two 5.three 113 11.five sixty four 6.5 191 twenty
one hundred sixty 52 five.3 120 12.two 64 6.5 191 twenty
25 fifty fifty one five.2 127 thirteen seventy two 7.three 242 twenty five 5600 4000 ≤20 2000
80 82 eight.4 178 18 113 twelve 332 34
a hundred 87 8.9 204 21 one hundred forty 14 369 38
a hundred and twenty 87 eight.9 217 22 140 fourteen 395 40
32 fifty 99 10 281 29 a hundred and forty 14 497 51 5600 3000 ≤20 2000
80 153 16 395 40 217 22 738 75
a hundred 178 eighteen 433 forty four 281 29 841 86
a hundred and twenty 178 eighteen 459 forty seven 281 29 892 91

Exhibitions:
Application case:

FQA:
Q: What must I provide when I select a gearbox/pace reducer?
A: The best way is to offer the motor drawing with parameters. Our engineer will check out and recommend the most appropriate gearbox design for your reference.
Or you can also provide the beneath specification as nicely:
one) Kind, model, and torque.
two) Ratio or output pace
three) Doing work issue and link method
four) Quality and set up machine identify
5) Input manner and input velocity
6) Motor brand name design or flange and motor shaft dimension

US $365.1
/ Piece
| 		1 Piece

(Min. Order)

###

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Car
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step

###

Customization:
Available

|

Customized Request

###

Model Speed ratio Enter the rated torque at 2000r/min Allowed peak torque at start stop The allowable maximum of the average load torque Maximum torque is allowed in an instant Allow the maximum speed to be entered Average input speed is allowed Back gap design life
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 80 3.8 0.4 8.5 0.9 6.8 0.7 19.1 1.9 8000 3000 ≤30 10000
100 4.1 0.4 8.9 0.9 7.2 0.7 20 2
14 50 6.2 0.6 20.7 2.1 7.9 0.7 40.3 4.1 7000 3000 ≤30 15000
80 9 0.9 27 2.7 12.7 1.3 54.1 5.5
100 9 0.9 32 3.3 12.7 1.3 62.1 6.3
17 50 18.4 1.9 39 4 29.9 3 80.5 8.2 6500 3000 ≤30 15000
80 25.3 2.6 49.5 5 31 3.2 100.1 10.2
100 27.6 2.8 62 6.3 45 4.6 124.2 12.7
20 50 28.8 2.9 64.4 6.6 39 4 112.7 11.5 5600 3000 ≤30 15000
80 39.1 4 85 8.8 54 5.5 146.1 14.9
100 46 4.7 94.3 9.6 56 5.8 169.1 17.2
120 46 4.7 100 10.2 56 5.8 169.1 17.2
160 46 4.7 112 10.9 56 5.8 169.1 17.2
25 50 44.9 4.6 113 11.5 63 6.5 213.9 21.8 4800 3000 ≤30 15000
80 72.5 7.4 158 16.1 100 10.2 293.3 29.9
100 77.1 7.9 181 18.4 124 12.7 326.6 33.3
120 77.1 7.9 192 19.6 124 12.7 349.6 35.6
32 50 87.4 8.9 248 25.3 124 12.7 439 44.8 4000 3000 ≤30 15000
80 135.7 13.8 350 35.6 192 19.6 653 66.6
100 157.6 16.1 383 39.1 248 25.3 744 75.9
120 157.6 16.1 406 41.4 248 25.3 789 80.5

###

Model Speed ratio Enter the rated torque at 2000r/min Allowed peak torque at start stop The allowable maximum of the average load torque Maximum torque is allowed in an instant Allow the maximum speed to be entered Average input speed is allowed Back gap design life
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 80 3.8 0.4 8.5 0.9 6.8 0.7 19.1 1.9 8000 3000 ≤20 10000
100 4.1 0.4 8.9 0.9 7.2 0.7 20 2
14 50 7 0.7 23 2.3 9 0.9 46 4.7 10000 6500 ≤20 15000
80 10 1 30 3.1 14 1.4 61 6.2
100 10 1 36 3.7 14 1.4 70 7.2
17 50 21 2.1 44 4.5 34 3.4 91 9 7500 5600 ≤20 20000
80 29 2.9 56 5.7 35 3.6 113 12
100 31 3.2 70 7.2 51 5.2 143 15
20 50 33 3.3 73 7.4 44 4.5 127 13 7000 4800 ≤20 2000
80 44 4.5 96 9.8 61 6.2 165 17
100 52 5.3 107 10.9 64 6.5 191 20
120 52 5.3 113 11.5 64 6.5 191 20
160 52 5.3 120 12.2 64 6.5 191 20
25 50 51 5.2 127 13 72 7.3 242 25 5600 4000 ≤20 2000
80 82 8.4 178 18 113 12 332 34
100 87 8.9 204 21 140 14 369 38
120 87 8.9 217 22 140 14 395 40
32 50 99 10 281 29 140 14 497 51 5600 3000 ≤20 2000
80 153 16 395 40 217 22 738 75
100 178 18 433 44 281 29 841 86
120 178 18 459 47 281 29 892 91
US $365.1
/ Piece
| 		1 Piece

(Min. Order)

###

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Car
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step

###

Customization:
Available

|

Customized Request

###

Model Speed ratio Enter the rated torque at 2000r/min Allowed peak torque at start stop The allowable maximum of the average load torque Maximum torque is allowed in an instant Allow the maximum speed to be entered Average input speed is allowed Back gap design life
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 80 3.8 0.4 8.5 0.9 6.8 0.7 19.1 1.9 8000 3000 ≤30 10000
100 4.1 0.4 8.9 0.9 7.2 0.7 20 2
14 50 6.2 0.6 20.7 2.1 7.9 0.7 40.3 4.1 7000 3000 ≤30 15000
80 9 0.9 27 2.7 12.7 1.3 54.1 5.5
100 9 0.9 32 3.3 12.7 1.3 62.1 6.3
17 50 18.4 1.9 39 4 29.9 3 80.5 8.2 6500 3000 ≤30 15000
80 25.3 2.6 49.5 5 31 3.2 100.1 10.2
100 27.6 2.8 62 6.3 45 4.6 124.2 12.7
20 50 28.8 2.9 64.4 6.6 39 4 112.7 11.5 5600 3000 ≤30 15000
80 39.1 4 85 8.8 54 5.5 146.1 14.9
100 46 4.7 94.3 9.6 56 5.8 169.1 17.2
120 46 4.7 100 10.2 56 5.8 169.1 17.2
160 46 4.7 112 10.9 56 5.8 169.1 17.2
25 50 44.9 4.6 113 11.5 63 6.5 213.9 21.8 4800 3000 ≤30 15000
80 72.5 7.4 158 16.1 100 10.2 293.3 29.9
100 77.1 7.9 181 18.4 124 12.7 326.6 33.3
120 77.1 7.9 192 19.6 124 12.7 349.6 35.6
32 50 87.4 8.9 248 25.3 124 12.7 439 44.8 4000 3000 ≤30 15000
80 135.7 13.8 350 35.6 192 19.6 653 66.6
100 157.6 16.1 383 39.1 248 25.3 744 75.9
120 157.6 16.1 406 41.4 248 25.3 789 80.5

###

Model Speed ratio Enter the rated torque at 2000r/min Allowed peak torque at start stop The allowable maximum of the average load torque Maximum torque is allowed in an instant Allow the maximum speed to be entered Average input speed is allowed Back gap design life
NM kgfm NM kgfm NM kgfm NM kgfm r / min r / min Arc sec Hour
11 80 3.8 0.4 8.5 0.9 6.8 0.7 19.1 1.9 8000 3000 ≤20 10000
100 4.1 0.4 8.9 0.9 7.2 0.7 20 2
14 50 7 0.7 23 2.3 9 0.9 46 4.7 10000 6500 ≤20 15000
80 10 1 30 3.1 14 1.4 61 6.2
100 10 1 36 3.7 14 1.4 70 7.2
17 50 21 2.1 44 4.5 34 3.4 91 9 7500 5600 ≤20 20000
80 29 2.9 56 5.7 35 3.6 113 12
100 31 3.2 70 7.2 51 5.2 143 15
20 50 33 3.3 73 7.4 44 4.5 127 13 7000 4800 ≤20 2000
80 44 4.5 96 9.8 61 6.2 165 17
100 52 5.3 107 10.9 64 6.5 191 20
120 52 5.3 113 11.5 64 6.5 191 20
160 52 5.3 120 12.2 64 6.5 191 20
25 50 51 5.2 127 13 72 7.3 242 25 5600 4000 ≤20 2000
80 82 8.4 178 18 113 12 332 34
100 87 8.9 204 21 140 14 369 38
120 87 8.9 217 22 140 14 395 40
32 50 99 10 281 29 140 14 497 51 5600 3000 ≤20 2000
80 153 16 395 40 217 22 738 75
100 178 18 433 44 281 29 841 86
120 178 18 459 47 281 29 892 91

A Brief Overview of the Spur Gear and the Helical Planetary Gearbox

This article will provide a brief overview of the Spur gear and the helical planetary gearbox. To learn more about the advantages of these gearboxes, read on. Here are a few common uses for planetary gears. A planetary gearbox is used in many vehicles. Its efficiency makes it a popular choice for small engines. Here are three examples. Each has its benefits and drawbacks. Let’s explore each one.
planetarygearbox

helical planetary gearbox

In terms of price, the CZPT is an entry-level, highly reliable helical planetary gearbox. It is suitable for applications where space, weight, and torque reduction are of high concern. On the other hand, the X-Treme series is suitable for applications requiring high-acceleration, high-axial and radial loads, and high-speed performance. This article will discuss the benefits of each type of planetary gearbox.
A planetary gearbox’s traction-based design is a variation of the stepped-planet design. This variation relies on the compression of the elements of the stepped-planet design. The resulting design avoids restrictive assembly conditions and timing marks. Compared to conventional gearboxes, compound planetary gears have a greater transmission ratio, and they do so with an equal or smaller volume. For example, a 2:1 ratio compound planet would be used with a 50-ton ring gear, and the result would be the same as a 100-ton ring gear, but the planetary disks would be half the diameter.
The Helical planetary gearbox uses three components: an input, an output, and a stationary position. The basic model is highly efficient and transmits 97% of the input power. There are three main types of planetary gearboxes, each focusing on a different performance characteristic. The CZPT basic line is an excellent place to start your research into planetary gearboxes. In addition to its efficiency and versatility, this gearbox has a host of modular features.
The Helical planetary gearbox has multiple advantages. It is versatile, lightweight, and easy to maintain. Its structure combines a sun gear and a planet gear. Its teeth are arranged in a way that they mesh with each other and the sun gear. It can also be used for stationary applications. The sun gear holds the carrier stationary and rotates at the rate of -24/16 and -3/2, depending on the number of teeth on each gear.
A helical planetary gearbox can reduce noise. Its shape is also smaller, reducing the size of the system. The helical gears are generally quieter and run more smoothly. The zero helix-angle gears, in contrast, have smaller sizes and higher torque density. This is a benefit, but the latter also increases the life of the system and is less expensive. So, while the helical planetary gearbox has many advantages, the latter is recommended when space is limited.
The helical gearbox is more efficient than the spur gear, which is limited by its lack of axial load component. The helical gears, on the other hand, generate significant axial forces in the gear mesh. They also exhibit more sliding at the points of tooth contact, adding friction forces. As such, the Helical planetary gearbox is the preferred choice in servo applications. If you’re looking for a gearbox to reduce noise and improve efficiency, Helical planetary gearboxes are the right choice.
The main differences between the two types of planetary gears can be found in the design of the two outer rings. The outer ring is also called the sun gear. The two gears mesh together according to their own axes. The outer ring is the planetary gear’s carrier. Its weight is proportional to the portion of the ring that is stationary. The carrier sets the gaps between the two gears.
Helical gears have angled teeth and are ideal for applications with high loads. They are also extremely durable and can transfer a high load. A typical Helical gearbox has two pairs of teeth, and this ensures smooth transmission. In addition, the increased contact ratio leads to lower fluctuations in mesh stiffness, which means more load capacity. In terms of price, Helical planetary gears are the most affordable gearbox type.
The outer ring gear drives the inner ring gear and surrounding planetary parts. A wheel drive planetary gearbox may have as much as 332,000 N.m. torque. Another common type of planetary gearbox is wheel drive. It is similar to a hub, but the outer ring gear drives the wheels and the sun gear. They are often combined over a housing to maximize size. One-stage Helical gears can be used in bicycles, while a two-stage planetary gear system can handle up to 113,000 N.m. torque.
The design of a helical planetary geartrain is complicated. It must comply with several constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This study of the possible design space of a Helical geartrain uses geometric layouts. The ring gear, sun, and ring gear have no effect on the ratio of the planetary transmission. Nonetheless, helical geartrains are a good choice for many applications.
planetarygearbox

Spur gear planetary gearbox

The combination of planetary gears and spur gears in a transmission system is called a planetary or spur gearbox. Both the planetary gear and spur gear have their own characteristics and are used in various kinds of vehicles. They work in a similar way, but are built differently. Here are some important differences between the two types of gears. Listed below are some of the most important differences between them:
Helical gears: As opposed to spur gears, helical gears generate significant axial forces in the gear mesh. They also feature greater sliding contact at the point of tooth contact. The helix angle of a gearbox is generally in the range of 15 to 30 degrees. The higher the helix angle, the more axial forces will be transmitted. The axial force in a helical gearbox is greater than that of a spur gear, which is the reason why helical gears are more efficient.
As you can see, the planetary gearhead has many variations and applications. However, you should take care in selecting the number of teeth for your planetary gear system. A five:1 spur gear drive ratio, for example, means that the sun gear needs to complete five revolutions for every output carrier revolution. To achieve this, you’ll want to select a sun gear with 24 teeth, or five mm for each revolution. You’ll need to know the metric units of the planetary gearhead for it to be compatible with different types of machines.
Another important feature of a planetary gearbox is that it doesn’t require all of the spur gears to rotate around the axis of the drive shaft. Instead, the spur gears’ internal teeth are fixed and the drive shaft is in the same direction as the output shaft. If you choose a planetary gearbox with fixed internal teeth, you’ll need to make sure that it has enough lubrication.
The other significant difference between a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, while a spur gear has low pitch. A spur gear is able to handle higher torques, but isn’t as efficient. In addition, its higher torque capability is a big drawback. Its efficiency is similar to that of a spur gear, but it is much less noisy.
Another difference between planetary and spur gear motors is their cost. Planetary gear motors tend to be more expensive than spur gear motors. But spur gears are cheaper to produce, as the gears themselves are smaller and simpler. However, planetary gear motors are more efficient and powerful. They can handle lower torque applications. But each gear carries a fixed load, limiting their torque. A spur gear motor also has fewer internal frictions, so it is often suited for lower torque applications.
Another difference between spur gears and planetary gears is their orientation. Single spur gears are not coaxial gearboxes, so they’re not coaxial. On the other hand, a planetary gearbox is coaxial, meaning its input shaft is also coaxial. In addition to this, a planetary gearbox is made of two sets of gear wheels with the same orientation. This gives it the ability to achieve concentricity.
Another difference between spur gears and planetary gears is that a planetary gear has an integer number of teeth. This is important because each gear must mesh with a sun gear or a ring gear. Moreover, each planet must have a corresponding number of teeth. For each planet to mesh with the sun, the teeth must have a certain distance apart from the other. The spacing between planets also matters.
Besides the size, the planetary gear system is also known as epicyclic gearing. A planetary gear system has a sun gear in the center, which serves as the input gear. This gear has at least three driven gears. These gears engage with each other from the inside and form an internal spur gear design. These gear sets are highly durable and able to change ratios. If desired, a planetary gear train can be converted to another ratio, thereby enhancing its efficiency.
Another important difference between a spur gear and a planetary gearbox is the type of teeth. A spur gear has teeth that are parallel to the shaft, while a planetary gear has teeth that are angled. This type of gear is most suitable for low-speed applications, where torque is necessary to move the actuation object. Spur gears also produce noise and can damage gear teeth due to repeated collisions. A spur gear can also slip, preventing torque from reaching the actuation object.

China Harmonic Drive Gearbox Reducer Planetary Gearbox bicycle planetary gearboxChina Harmonic Drive Gearbox Reducer Planetary Gearbox bicycle planetary gearbox
editor by czh 2023-03-24

China Elht Series High Precision Harmonic Robot Reducer Drive Strain Wave Gear Set for CNC Machine Sewing Machine Small Gear Speed

Product Description

 

Elht Series High Precision Harmonic Robot Reducer Drive Strain Wave Gear Set for CNC Machine Sewing Machine Small Gear Speed


Application

 

Our factory

 

Related Products

 

For more reducers and mechanical accessories, please click here to view

 

 

 

 

A Brief Overview of the Spur Gear and the Helical Planetary Gearbox

This article will provide a brief overview of the Spur gear and the helical planetary gearbox. To learn more about the advantages of these gearboxes, read on. Here are a few common uses for planetary gears. A planetary gearbox is used in many vehicles. Its efficiency makes it a popular choice for small engines. Here are 3 examples. Each has its benefits and drawbacks. Let’s explore each one.
planetarygearbox

helical planetary gearbox

In terms of price, the CZPT is an entry-level, highly reliable helical planetary gearbox. It is suitable for applications where space, weight, and torque reduction are of high concern. On the other hand, the X-Treme series is suitable for applications requiring high-acceleration, high-axial and radial loads, and high-speed performance. This article will discuss the benefits of each type of planetary gearbox.
A planetary gearbox’s traction-based design is a variation of the stepped-planet design. This variation relies on the compression of the elements of the stepped-planet design. The resulting design avoids restrictive assembly conditions and timing marks. Compared to conventional gearboxes, compound planetary gears have a greater transmission ratio, and they do so with an equal or smaller volume. For example, a 2:1 ratio compound planet would be used with a 50-ton ring gear, and the result would be the same as a 100-ton ring gear, but the planetary disks would be half the diameter.
The Helical planetary gearbox uses 3 components: an input, an output, and a stationary position. The basic model is highly efficient and transmits 97% of the input power. There are 3 main types of planetary gearboxes, each focusing on a different performance characteristic. The CZPT basic line is an excellent place to start your research into planetary gearboxes. In addition to its efficiency and versatility, this gearbox has a host of modular features.
The Helical planetary gearbox has multiple advantages. It is versatile, lightweight, and easy to maintain. Its structure combines a sun gear and a planet gear. Its teeth are arranged in a way that they mesh with each other and the sun gear. It can also be used for stationary applications. The sun gear holds the carrier stationary and rotates at the rate of -24/16 and -3/2, depending on the number of teeth on each gear.
A helical planetary gearbox can reduce noise. Its shape is also smaller, reducing the size of the system. The helical gears are generally quieter and run more smoothly. The zero helix-angle gears, in contrast, have smaller sizes and higher torque density. This is a benefit, but the latter also increases the life of the system and is less expensive. So, while the helical planetary gearbox has many advantages, the latter is recommended when space is limited.
The helical gearbox is more efficient than the spur gear, which is limited by its lack of axial load component. The helical gears, on the other hand, generate significant axial forces in the gear mesh. They also exhibit more sliding at the points of tooth contact, adding friction forces. As such, the Helical planetary gearbox is the preferred choice in servo applications. If you’re looking for a gearbox to reduce noise and improve efficiency, Helical planetary gearboxes are the right choice.
The main differences between the 2 types of planetary gears can be found in the design of the 2 outer rings. The outer ring is also called the sun gear. The 2 gears mesh together according to their own axes. The outer ring is the planetary gear’s carrier. Its weight is proportional to the portion of the ring that is stationary. The carrier sets the gaps between the 2 gears.
Helical gears have angled teeth and are ideal for applications with high loads. They are also extremely durable and can transfer a high load. A typical Helical gearbox has 2 pairs of teeth, and this ensures smooth transmission. In addition, the increased contact ratio leads to lower fluctuations in mesh stiffness, which means more load capacity. In terms of price, Helical planetary gears are the most affordable gearbox type.
The outer ring gear drives the inner ring gear and surrounding planetary parts. A wheel drive planetary gearbox may have as much as 332,000 N.m. torque. Another common type of planetary gearbox is wheel drive. It is similar to a hub, but the outer ring gear drives the wheels and the sun gear. They are often combined over a housing to maximize size. One-stage Helical gears can be used in bicycles, while a two-stage planetary gear system can handle up to 113,000 N.m. torque.
The design of a helical planetary geartrain is complicated. It must comply with several constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This study of the possible design space of a Helical geartrain uses geometric layouts. The ring gear, sun, and ring gear have no effect on the ratio of the planetary transmission. Nonetheless, helical geartrains are a good choice for many applications.
planetarygearbox

Spur gear planetary gearbox

The combination of planetary gears and spur gears in a transmission system is called a planetary or spur gearbox. Both the planetary gear and spur gear have their own characteristics and are used in various kinds of vehicles. They work in a similar way, but are built differently. Here are some important differences between the 2 types of gears. Listed below are some of the most important differences between them:
Helical gears: As opposed to spur gears, helical gears generate significant axial forces in the gear mesh. They also feature greater sliding contact at the point of tooth contact. The helix angle of a gearbox is generally in the range of 15 to 30 degrees. The higher the helix angle, the more axial forces will be transmitted. The axial force in a helical gearbox is greater than that of a spur gear, which is the reason why helical gears are more efficient.
As you can see, the planetary gearhead has many variations and applications. However, you should take care in selecting the number of teeth for your planetary gear system. A five:1 spur gear drive ratio, for example, means that the sun gear needs to complete 5 revolutions for every output carrier revolution. To achieve this, you’ll want to select a sun gear with 24 teeth, or 5 mm for each revolution. You’ll need to know the metric units of the planetary gearhead for it to be compatible with different types of machines.
Another important feature of a planetary gearbox is that it doesn’t require all of the spur gears to rotate around the axis of the drive shaft. Instead, the spur gears’ internal teeth are fixed and the drive shaft is in the same direction as the output shaft. If you choose a planetary gearbox with fixed internal teeth, you’ll need to make sure that it has enough lubrication.
The other significant difference between a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, while a spur gear has low pitch. A spur gear is able to handle higher torques, but isn’t as efficient. In addition, its higher torque capability is a big drawback. Its efficiency is similar to that of a spur gear, but it is much less noisy.
Another difference between planetary and spur gear motors is their cost. Planetary gear motors tend to be more expensive than spur gear motors. But spur gears are cheaper to produce, as the gears themselves are smaller and simpler. However, planetary gear motors are more efficient and powerful. They can handle lower torque applications. But each gear carries a fixed load, limiting their torque. A spur gear motor also has fewer internal frictions, so it is often suited for lower torque applications.
Another difference between spur gears and planetary gears is their orientation. Single spur gears are not coaxial gearboxes, so they’re not coaxial. On the other hand, a planetary gearbox is coaxial, meaning its input shaft is also coaxial. In addition to this, a planetary gearbox is made of 2 sets of gear wheels with the same orientation. This gives it the ability to achieve concentricity.
Another difference between spur gears and planetary gears is that a planetary gear has an integer number of teeth. This is important because each gear must mesh with a sun gear or a ring gear. Moreover, each planet must have a corresponding number of teeth. For each planet to mesh with the sun, the teeth must have a certain distance apart from the other. The spacing between planets also matters.
Besides the size, the planetary gear system is also known as epicyclic gearing. A planetary gear system has a sun gear in the center, which serves as the input gear. This gear has at least 3 driven gears. These gears engage with each other from the inside and form an internal spur gear design. These gear sets are highly durable and able to change ratios. If desired, a planetary gear train can be converted to another ratio, thereby enhancing its efficiency.
Another important difference between a spur gear and a planetary gearbox is the type of teeth. A spur gear has teeth that are parallel to the shaft, while a planetary gear has teeth that are angled. This type of gear is most suitable for low-speed applications, where torque is necessary to move the actuation object. Spur gears also produce noise and can damage gear teeth due to repeated collisions. A spur gear can also slip, preventing torque from reaching the actuation object.

China Elht Series High Precision Harmonic Robot Reducer Drive Strain Wave Gear Set for CNC Machine Sewing Machine Small Gear Speed China Elht Series High Precision Harmonic Robot Reducer Drive Strain Wave Gear Set for CNC Machine Sewing Machine Small Gear Speed