Tag Archives: industrial gear

China Newgear Right Angle Gearbox Transmission Part Planetary Gear Speed Reducer Gear Box for Industrial Robot planetary gearbox disassembly

Merchandise Description

Newgear Right Angle Gearbox Transmission Portion Planetary Equipment Velocity Reducer Gear Box For Industrial Robotic

Planetary gearbox is a type of reducer with broad flexibility. The interior equipment adopts reduced carbon alloy steel carburizing quenching and grinding or nitriding method. Planetary gearbox has the qualities of little structure dimension, large output torque, high velocity ratio, large performance, protected and reputable efficiency, and so forth. The internal gear of the planetary gearbox can be divided into spur equipment and helical gear. Buyers can pick the appropriate precision reducer according to the demands of the application.

Merchandise Description

Descriptions:
1.The output shaft is made of large dimensions,large span double bearing design,output shaft and planetary arm bracket as a whole.The enter shaft is placed immediately on the planet arm bracket to make sure that the reducer has high running precision and highest torsional rigidity.
2.Shell and the inner ring gear used built-in style,quenching and tempering right after the processing of the teeth so that it can attain higher torque,large precision,large dress in resistance.Moreover surface area nickel-plated anti-rust remedy,so that its corrosion resistance greatly enhanced.
three.The planetary gear transmission employs entire needle roller without retainer to enhance the make contact with surface area,which tremendously updates structural rigidity and service life.
four.The equipment is created of Japanese imported substance.Following the metal cutting procedure,the vacuum carburizing heat remedy to fifty eight-62HRC. And then by the hobbing,Get the ideal tooth form,tooth path,to make sure that the gear of higher precision and excellent affect toughness.
five.Enter shaft and solar gear built-in structure,in buy to enhance the procedure accuracy of the reducer.
6.Ring gear processing engineering: Utilizing internal gear slotting equipment and hobbing machine the precision of ring gear right after processing can achieve .GB7.

Product Parameters

Characteristics:
1.Hole output structure,easy set up
2.Round flange output,threaded reverse connection,normal measurement
three.The output specs are total and there are several selections
four.Straight transmission,single cantilever structurer,style basic,substantial cost performance
five.Keyway can be opened in the pressure shaft
six.Steady operation,low sound
7.Size variety:sixty-a hundred and sixty
eight.Ratio assortment:3-a hundred
nine.Precision backlash:8-16arcmin
10.Support custom according to drawings or samples

Specifications PRN60 PRN80 PRN90 PRN120 PRN160
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency End Torque Nm 2.5times rated torque
Max. Radial Load N 240 four hundred 450 1240 2250
Max. Axial Load N 220 420 430 1000 1500
Torsional Rigidity Nm/arcmin one.8 4.seven 4.eighty five eleven 35
Max.Input Pace rpm 8000 6000 6000 6000 4000
Rated Input Velocity rpm 4000 3500 3500 3500 3000
Noise dB ≤58 ≤60 ≤60 ≤65 ≤70
Average Lifestyle Time h 20000
Efficiency Of Entire 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
Second Of Inertia Desk L1 three Kg*cm2 .forty six .seventy seven 1.seventy three twelve.78 36.72
four Kg*cm2 .46 .seventy seven 1.seventy three 12.78 36.seventy two
five Kg*cm2 .46 .77 one.73 twelve.seventy eight 36.seventy two
7 Kg*cm2 .41 .65 1.42 11.38 34.02
10 Kg*cm2 .41 .65 1.forty two 11.38 34.02
L2 twelve Kg*cm2 .forty four .72 one.49 twelve.eighteen 34.24
15 Kg*cm2 .forty four .seventy two one.49 twelve.18 34.24
sixteen Kg*cm2 .seventy two .72 one.49 twelve.18 34.24
20 Kg*cm2 .44 .seventy two 1.49 twelve.eighteen 34.24
25 Kg*cm2 .44 .seventy two one.forty nine 12.eighteen 34.24
28 Kg*cm2 .44 .72 one.forty nine 12.eighteen 34.24
thirty Kg*cm2 .44 .72 one.forty nine twelve.18 34.24
35 Kg*cm2 .forty four .seventy two one.forty nine 12.eighteen 34.24
forty Kg*cm2 .forty four .seventy two one.forty nine twelve.18 34.24
50 Kg*cm2 .34 .fifty eight one.25 11.forty eight 34.02
70 Kg*cm2 .34 .58 one.twenty five eleven.48 34.02
a hundred Kg*cm2 .34 .fifty eight one.25 11.forty eight 34.02
Specialized Parameter Level Ratio   PRN60 PRN80 PRN90 PRN120 PRN160
Rated Torque L1 3 Nm 27 50 ninety six 161 364
4 Nm forty 90 122 210 423
five Nm 40 ninety 122 210 423
seven Nm 34 48 95 170 358
10 Nm 16 22 56 86 210
L2 12 Nm 27 fifty ninety six 161 364
15 Nm 27 50 ninety six 161 364
16 Nm 40 ninety 122 210 423
twenty Nm forty 90 122 210 423
twenty five Nm forty ninety 122 210 423
28 Nm forty ninety 122 210 423
30 Nm 27 fifty 96 161 364
35 Nm 40 90 122 210 423
40 Nm 40 ninety 122 210 423
fifty Nm forty 90 122 210 423
70 Nm 34 forty eight ninety five 170 358
100 Nm sixteen 22 56 86 210
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg .95 two.27 three.06 6.ninety three fifteen.5
L2 kg one.two two.eight 3.86 8.ninety eight seventeen

Product Choice:

Business Profile

Packaging & Delivery

1. Lead time: 7-10 working days as common, twenty doing work times in occupied time, it will be based on the thorough get amount
two. Supply: DHL/ UPS/ FEDEX/ EMS/ TNT

US $227-778
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machine Tool
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Starting Mode: Direct on-line Starting
Certification: ISO9001

###

Samples:
US$ 559/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Specifications PRN60 PRN80 PRN90 PRN120 PRN160
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 % L196%                     L294%
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 0.72 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   PRN60 PRN80 PRN90 PRN120 PRN160
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
US $227-778
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machine Tool
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Starting Mode: Direct on-line Starting
Certification: ISO9001

###

Samples:
US$ 559/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Specifications PRN60 PRN80 PRN90 PRN120 PRN160
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 % L196%                     L294%
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 0.72 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   PRN60 PRN80 PRN90 PRN120 PRN160
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

What is a Planetary Gearbox?

A planetary gearbox is a mechanical device in which the teeth of a planet mesh with the teeth of its sun or ring. The number of teeth and the spacing of planets will determine whether the teeth mesh correctly. In this article, we will learn more about planetary gearboxes. Besides understanding their working, you can also learn how to design your own. Here are some examples:

planetary gearboxes

If your car has an automatic transmission, then a planetary gearbox is the type you have. It is possible to find out if you have this type of gearbox by consulting the owner’s manual, calling the service department of your car’s manufacturer, or conducting a search using your favorite search engine. However, planetary gears are more complex and have many more components than standard gearboxes. The following information will explain more about this type of gearbox.
Planetary gearboxes use three different gear types to transmit torque. The sun gear sits in the center of the gear assembly, while the other gears rotate around it. A carrier connects the two gears, and is designed to set the spacing between them. When the gears are rotated, the carrier will spin, enabling the entire assembly to work together. The carrier also incorporates the output shaft. For this gearbox to work effectively, it must meet the application’s requirements.
There are three main types of planetary gearboxes: the basic model is highly efficient and transmits 97% of the power input. The earliest models are not complex, but they do have some key differences. Some of these differences make them ideal for various applications. For example, a planetary gearbox can operate in alternating and continuous operation, with the output support having internal grooving. Some designs have more than one output shaft, allowing the user to choose the configuration and torque that is best for their application.
One of the main differences between a planetary gearbox and a conventional one is the way the planetary parts move. A planetary gearbox may have multiple axes for increased torque. A planetary gearbox can provide a torque up to 113,000 N.m. by rotating its maximum teeth simultaneously. They are the ideal choice for space-constrained applications. For instance, a car with small spaces can install one with ease.
A planetary gearbox’s gear ratio is determined by the ratio of the sun gear to the ring gear. The number of teeth on the sun gear is a way to adjust the gear ratio. Smaller sun gears result in larger planetary gear ratios, while larger ones cause a decrease in torque. The ratio between planetary gears ranges from 3:1 to 10:1, with the lowest ratio being three. The greatest possible ratio is 10:1.
A planetary gearbox has many benefits. The compact design makes them a more efficient choice for small motors and is advantageous for servo functions. Planetary gearboxes have low inertia, which is an important factor, especially in servo applications, since the inertia of the gearbox adds to the motor’s load inertia. The planetary gearboxes are typically lubricated with grease or oil, so you don’t need to worry about re-lubrication or maintenance.
planetarygearbox

planetary gearboxes with output shaft

The advantages of planetary gearboxes are numerous. They are widely used in many applications, from automobiles to medical equipment, goods & personnel lifts to machine tools. They are also used in derrick & dockyard cranes and slewing drives. These gearboxes are available in various sizes and shapes, ranging from small to extremely large. There are many different types, and each is designed to suit its intended use.
The LP generation 3 gearhead series combines maximum quality with economic precision in a low-backlash planetary gearbox. The output shaft version is especially suited for high-speed, highly dynamic cyclic operation. Another version is the SP+ HIGH SPEED. The SP+ high-speed version is designed to achieve maximum speeds while in continuous operation. If you need a planetary gearbox with an output shaft, look no further. It is the best choice for many applications.
As the name suggests, a planetary gearbox incorporates planetary parts and an output shaft. The outer gears (also called the planetary gears) are connected by a carrier to the output shaft. The carrier is then connected to the output shaft by a ring. There are two or more planetary gears inside the planetary gearbox. Each gear is connected to a carrier, which is connected to the output shaft.
An epicyclic planetary gear train can be assembled so that the planet gear rolls around the sun gear. In the wheel drive planetary gearbox, the planetary gears are grouped over the housing to optimize the size and weight of the system. The planetary gear train can handle torques as high as 332,000 N.m., with the ring gear being fixed while the sun gear is movable.
Another advantage of a planetary gearbox is that it uses many teeth at once. This allows for high speed reduction and high torque transmission, and it is extremely compact. Planetary gearboxes with output shaft are ideal for space-constrained applications. Their compact size and minimal weight make them a popular choice in many industries. They are also known as epicyclic gears and are used in many different types of machines.
A planetary gearbox can have three components. A central sun gear, an outer ring known as the inner gear, and an output shaft. These three components are linked by a carrier. The carrier rotates so that the input and output gears are in sync. They also have a standard gap between the gears. The carrier also acts as the output shaft. They can be used to create small machines, such as a bicycle acceleration hub.
planetarygearbox

planetary gearboxes with integer number of teeth

When designing a planetary gearbox, one must determine the amount of tooth count. This figure is known as the mesh load factor Kg, and is based on the normal tooth forces that are generated in each mesh. The number of planets, the error in the gear design, and the rigidity of the housing all affect Kg. Depending on the type of application, Kg can be calculated by using different standards.
In a typical planetary gearbox, the ratio is an integer number, and the lowest is 3:1. At a ratio of 10, the sun gear is too large and the sun wheel is too low to provide a sufficient amount of torque. In most cases, the ratio is an integer value, and the teeth are evenly spaced. The gear mesh is then balanced to grade 2. The carrier is measured three-dimensionally to detect the accuracy of the planet pin hole in the carrier.
In the simplest case, each planetary gear mesh produces a dynamic signal at its mesh frequency. These signals can cancel or reinforce in various ways. A helix angle, however, introduces axial forces into the gear mesh, which can be cancelled or reinforced in the same way as torques. As the helix angle is an integer number, this planetary gear model does not necessarily require infinite precision.
The resulting motion period is measured in rotational angles. This figure can be used to determine fault diagnosis and calculate the minimum data length required. It can also be used to calculate the kinematic motion of a faulty planet gear tooth. It is important to note that fault-mesh motion is not instantaneous, and therefore, it requires a sufficient amount of time to fully mesh a faulty planet gear.
The load-share factor is similar to that of spur and helical gearboxes, and can be used to calculate dynamic load sharing. When the load share factor is low, the individual gear meshes are slightly loaded. Deflections can vary, especially with high-precision gears. Therefore, the design process should incorporate the tolerance chain. This will ensure the correct ratio of gear mesh.
A planetary gearbox is a type of planetary gear system that is used in motors. It has a sun gear at the center and a set of outer gears. Each gear turns according to its axis around the sun. They are interconnected by a ring component and are connected to each other through a carrier. The carrier also includes the output shaft. And since the sun gear is centered, the mesh is standard.
As an added benefit, planetary gearboxes have sliding surfaces, which reduce noise and vibration. Despite the high-quality of planetary gearboxes, it is important to properly lubricate them to avoid wear and tear. CZPT uses CZPT. In order to make the planetary gearboxes last a long time, the lubricant is usually incorporated in the planetary gearbox.

China Newgear Right Angle Gearbox Transmission Part Planetary Gear Speed Reducer Gear Box for Industrial Robot     planetary gearbox disassemblyChina Newgear Right Angle Gearbox Transmission Part Planetary Gear Speed Reducer Gear Box for Industrial Robot     planetary gearbox disassembly
editor by czh 2022-12-22

China Good quality Palm Oil Press Reducer Industrial Gearbox / Parallel Shaft Helical Gear Transmission with high quality

Merchandise Description

 H B Series Industrial GearBox 

 

Characteristic:

  • Recognized parallel shaft,correct-angle shaft modes and horizontal,vertical mounting modes. Employing less part elements.

  • Applying innovative grinding approach which improved the security and the effectiveness of transmit electricity with decrease sound.

  • Input manner: motor connected flange, shaft enter

  • Output manner:strong shaft with flat crucial,hollow shaft with flat important,hollow shaft with shrink disk,hollow shaft with spline relationship, reliable shaft with spline link, strong shaft with flange.

  • Mounting manner:vertical, horizontal, swing foundation-mounted, torque-arm-mounted.

  • Ratio range:1.23~450. It can be larger when combining with K&R sequence reducer.

    H & B SERIES

 

Q: Are you trading company or company?
A: We are manufacturing facility.
 

Q: How long is your delivery time?
A: Typically it is 5-ten days if the items are in inventory. or it is 15-20 days if the products are not in stock.
 

Q: Can we buy 1 laptop of every merchandise for good quality tests?
A: Indeed, we are glad to take demo purchase for quality screening.

Q:How to pick a gearbox which meets your requirement?
A:You can refer to our catalogue to select the gearbox or we can aid to decide on when you offer
     the technical data of required output torque, output pace and motor parameter etc.

Q: What info shall we give prior to inserting a acquire order?
A:a) Type of the gearbox, ratio, input and output sort, enter flange, mounting position, and motor informationetc.
     b) Housing coloration.
     c) Acquire quantity.
    d) Other specific specifications.

A Quick Overview of the Spur Equipment and the Helical Planetary Gearbox

This post will supply a quick overview of the Spur equipment and the helical planetary gearbox. To find out much more about the advantages of these gearboxes, read through on. Right here are a few typical utilizes for planetary gears. A planetary gearbox is employed in numerous autos. Its efficiency tends to make it a well-liked choice for modest engines. Here are 3 examples. Each has its positive aspects and downsides. Let us explore every single one particular.
planetarygearbox

helical planetary gearbox

In phrases of price, the CZPT is an entry-stage, highly trustworthy helical planetary gearbox. It is appropriate for apps exactly where space, fat, and torque reduction are of large concern. On the other hand, the X-Treme series is appropriate for purposes demanding high-acceleration, substantial-axial and radial masses, and higher-speed functionality. This report will examine the benefits of every variety of planetary gearbox.
A planetary gearbox’s traction-primarily based style is a variation of the stepped-world design. This variation relies on the compression of the elements of the stepped-world layout. The ensuing style avoids restrictive assembly circumstances and timing marks. When compared to typical gearboxes, compound planetary gears have a higher transmission ratio, and they do so with an equal or scaled-down quantity. For illustration, a 2:1 ratio compound earth would be employed with a fifty-ton ring gear, and the result would be the exact same as a one hundred-ton ring gear, but the planetary disks would be half the diameter.
The Helical planetary gearbox uses a few factors: an input, an output, and a stationary place. The standard model is extremely productive and transmits 97% of the enter electricity. There are a few primary types of planetary gearboxes, each and every concentrating on a diverse functionality characteristic. The CZPT basic line is an excellent spot to begin your research into planetary gearboxes. In addition to its efficiency and flexibility, this gearbox has a host of modular attributes.
The Helical planetary gearbox has multiple advantages. It is flexible, lightweight, and effortless to preserve. Its composition brings together a sunlight gear and a planet equipment. Its teeth are organized in a way that they mesh with every single other and the solar gear. It can also be utilised for stationary apps. The solar equipment retains the carrier stationary and rotates at the rate of -24/16 and -3/2, relying on the quantity of enamel on each and every equipment.
A helical planetary gearbox can reduce sound. Its condition is also scaled-down, minimizing the dimensions of the system. The helical gears are typically quieter and operate more easily. The zero helix-angle gears, in distinction, have more compact sizes and higher torque density. This is a benefit, but the latter also raises the existence of the system and is significantly less costly. So, while the helical planetary gearbox has many rewards, the latter is suggested when area is limited.
The helical gearbox is more successful than the spur equipment, which is minimal by its absence of axial load element. The helical gears, on the other hand, generate significant axial forces in the gear mesh. They also exhibit a lot more sliding at the details of tooth get in touch with, including friction forces. As such, the Helical planetary gearbox is the preferred choice in servo programs. If you’re searching for a gearbox to minimize noise and improve effectiveness, Helical planetary gearboxes are the appropriate choice.
The primary variances between the two sorts of planetary gears can be identified in the design and style of the two outer rings. The outer ring is also referred to as the sunshine equipment. The two gears mesh jointly in accordance to their personal axes. The outer ring is the planetary gear’s provider. Its fat is proportional to the part of the ring that is stationary. The carrier sets the gaps between the two gears.
Helical gears have angled teeth and are ideal for purposes with high loads. They are also very sturdy and can transfer a high load. A common Helical gearbox has two pairs of teeth, and this assures clean transmission. In addition, the improved make contact with ratio qualified prospects to reduced fluctuations in mesh stiffness, which signifies a lot more load ability. In phrases of price tag, Helical planetary gears are the most cost-effective gearbox sort.
The outer ring equipment drives the interior ring gear and surrounding planetary areas. A wheel push planetary gearbox may have as significantly as 332,000 N.m. torque. Yet another typical variety of planetary gearbox is wheel travel. It is related to a hub, but the outer ring equipment drives the wheels and the sunlight gear. They are usually mixed more than a housing to increase measurement. One particular-stage Helical gears can be utilized in bicycles, whilst a two-stage planetary equipment system can manage up to 113,000 N.m. torque.
The layout of a helical planetary geartrain is challenging. It have to comply with a number of constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This study of the feasible style area of a Helical geartrain employs geometric layouts. The ring gear, sunshine, and ring equipment have no influence on the ratio of the planetary transmission. Nevertheless, helical geartrains are a excellent selection for a lot of applications.
planetarygearbox

Spur equipment planetary gearbox

The blend of planetary gears and spur gears in a transmission technique is named a planetary or spur gearbox. Equally the planetary gear and spur gear have their very own characteristics and are employed in different varieties of cars. They work in a similar way, but are constructed differently. Right here are some critical variances among the two varieties of gears. Shown beneath are some of the most crucial differences amongst them:
Helical gears: As opposed to spur gears, helical gears make substantial axial forces in the equipment mesh. They also function better sliding contact at the point of tooth contact. The helix angle of a gearbox is generally in the range of fifteen to 30 degrees. The higher the helix angle, the far more axial forces will be transmitted. The axial pressure in a helical gearbox is greater than that of a spur equipment, which is the purpose why helical gears are more successful.
As you can see, the planetary gearhead has numerous variations and purposes. Nevertheless, you need to take treatment in picking the variety of enamel for your planetary gear program. A five:1 spur equipment drive ratio, for example, means that the solar gear needs to total 5 revolutions for every single output provider revolution. To accomplish this, you will want to choose a sunlight equipment with 24 teeth, or 5 mm for each and every revolution. You may want to know the metric units of the planetary gearhead for it to be appropriate with distinct sorts of devices.
Yet another important feature of a planetary gearbox is that it does not need all of the spur gears to rotate around the axis of the push shaft. Rather, the spur gears’ internal tooth are mounted and the travel shaft is in the same path as the output shaft. If you choose a planetary gearbox with mounted inside tooth, you are going to need to make certain that it has ample lubrication.
The other significant distinction between a spur equipment and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, even though a spur equipment has minimal pitch. A spur equipment is in a position to manage increased torques, but isn’t as effective. In addition, its higher torque ability is a huge downside. Its effectiveness is related to that of a spur equipment, but it is significantly considerably less noisy.
Another difference between planetary and spur equipment motors is their cost. Planetary gear motors have a tendency to be far more costly than spur gear motors. But spur gears are less costly to generate, as the gears them selves are more compact and less complicated. Nevertheless, planetary gear motors are far more efficient and strong. They can take care of reduce torque programs. But each and every equipment carries a set load, limiting their torque. A spur gear motor also has much less internal frictions, so it is often suited for reduce torque apps.
An additional big difference between spur gears and planetary gears is their orientation. One spur gears are not coaxial gearboxes, so they are not coaxial. On the other hand, a planetary gearbox is coaxial, that means its input shaft is also coaxial. In addition to this, a planetary gearbox is made of two sets of gear wheels with the very same orientation. This gives it the potential to achieve concentricity.
Yet another variation between spur gears and planetary gears is that a planetary gear has an integer quantity of enamel. This is crucial since each and every gear must mesh with a sunshine gear or a ring gear. Additionally, each and every planet need to have a corresponding amount of tooth. For each and every earth to mesh with the sunlight, the enamel need to have a specified distance aside from the other. The spacing amongst planets also issues.
Aside from the size, the planetary equipment program is also identified as epicyclic gearing. A planetary equipment system has a sunshine gear in the heart, which serves as the enter gear. This gear has at least 3 driven gears. These gears interact with every single other from the within and form an inside spur equipment layout. These gear sets are extremely tough and ready to modify ratios. If wanted, a planetary gear teach can be transformed to another ratio, thus improving its efficiency.
One more essential variation between a spur gear and a planetary gearbox is the type of teeth. A spur equipment has tooth that are parallel to the shaft, whilst a planetary gear has teeth that are angled. This type of gear is most suited for low-velocity applications, the place torque is essential to transfer the actuation item. Spur gears also make noise and can injury equipment teeth thanks to repeated collisions. A spur equipment can also slip, stopping torque from reaching the actuation object.

China Good quality Palm Oil Press Reducer Industrial Gearbox / Parallel Shaft Helical Gear Transmission     with high qualityChina Good quality Palm Oil Press Reducer Industrial Gearbox / Parallel Shaft Helical Gear Transmission     with high quality

China Good quality Electrically Driven Industrial Gear Box for Crane Standard Design Dredge Pump Gearboxes Marine Gearbox for Boat Small Diesel Boat Engine Speed 1000-2500 Rpm with Free Design Custom

Product Description

Relong Respect to severe problems and extended life Dredger Gearboxes

Dredger gearboxes are created with regard to severe circumstances and prolonged life. Our dredger gearboxes are operated on tiny or mid-dimensions dredgers suited for servicing dredging or big-dimension dredging vessels best fitted for land reclamation and greater sand and gravel maintenance works as effectively as other kinds of vessels this kind of as cutter suction dredgers. Our pump CZPT gear units are developed according to the customers’ technical specs and offer you tailor-produced transmission ratios and multi-stage ideas. Our product portfolio consists of gear units for jet pumps, dredge pumps, generators, cutters, and winches. The equipment models are created to the customer’s technical specs and RELONG’s in-property safety specifications.

Attributes

– Reputable
– Gearing that interlocks completely
– Solid base and strong housing, designed for substantial masses
– Slide bearings of the maximum quality for maintenance-cost-free gear models

Software

All products

High quality handle

Company Overview

RELONG TECHNOLOGY CO, LTD is a CZPT organization focusing on designing, manufacturing assembly, and operation administration of environmental security tasks and machinery with a lot more than twenty a long time of knowledge.

Our principal item is an computerized aquatic weeds harvester. It is mostly used to accumulate floating rubbish, aquatic vegetation, and salvage in reservoirs, rivers, lakes, and coastal locations.

In addition, we have our very own R & D team and impartial factory creation to conserve production time.

certificate

Cases

FAQ

How long is the shipping and delivery time of your gear?

–Inside of 15-20 times right after receiving the deposit.
two. How to put in the device?
–If want the seller’s set up aid, the seller will ship 1 (1) technologist to Your workplace to conduct set up and
teach 3-5 employees to run the equipment, the buyer shall prepare at least 3-5 employees to perform with the engineers.
three. How long is the tools guarantee time period?
— We provide a twelve-months warranty for the top quality of the diesel engine/generator, motor drinking water pump (impeller is 6months), storage battery, but not dependable for rust.

How to Pick a Planetary Gearbox for Your Apps

You can decide on the most suitable Planetary Gearbox for your apps right after carefully examining the a variety of attributes. You must also think about secondary characteristics like noise stage, corrosion resistance, building, cost, shipping and delivery time and support. You ought to also examine if the constructor is obtainable throughout the world, simply because some constructors run quicker than other people. Some constructors even answer to your requests on the exact same day, even though other folks supply every planetary gearbox even if they are out of stock.
planetarygearbox

CZPT gearbox

An CZPT planetary gearbox is a substantial-quality, compact, and lightweight gearbox that distributes masses over a number of gears. The planetary gearbox has a polymer circumstance that assures silent procedure. The firm is dedicated to the circular economic system, investing in chemical recycling and promoting the use of recycled materials where ever feasible. For more information, visit CZPT’s website or get in touch with an CZPT specialist today.
A planetary gearbox contains a solar gear, which is recognized as the input equipment. The other gears are called planets, and these are mounted on a carrier, which is related to an output shaft. A planetary gearbox is characterized by its high reduction ratios, vitality financial savings, and compact design. It delivers outstanding toughness and problems-free provider. Regardless of whether you need a massive or small planetary gearbox, you can uncover a single to fit your demands.
The Normal series planetary gearboxes are a cost-successful different to top quality series gearboxes. These gearboxes are suitable for apps requiring only gentle backlash or with minimal IP65 defense. ABB positioners attribute seven different gear device variants, permitting for standardized mounting and stranded wire connections. The drygear(r) pressure wave gear has a stranded wire connector and is offered with a a few-year warranty.
A planetary gearbox can be used for different programs, from lifting goods to loading and unloading items in a manufacturing facility. The organization has a wide solution assortment for diverse programs, including plastic equipment and device resources, select-and-location robots, mill drives, and wind turbines. It can also be employed to work robot gripper techniques. Its substantial-top quality planetary gears are developed to final for numerous a long time, making it an ideal solution for many industries.

CZPT

A planetary gearbox is an vital element of numerous transportation systems. These devices operate by aligning the output and input shafts. The Reggiana planetary gearbox 2000 collection includes bevel phases and linear variants. The firm gives modularity and overall flexibility with output configurations in ten various equipment measurements. Each and every planetary gearbox can also be personalized to meet the distinct requirements of a specific software.
CZPT is the Australian department of CZPT, a foremost global maker of planetary gearboxes. CZPT is positioned in Carrum Downs, south east of Melbourne, and is one of the top suppliers of planetary reduction gears, hydraulic failsafe brakes, and wheel drives. The company aims to offer higher-top quality, tough items that can be utilised in a assortment of applications.
A CZPT Additionally Sequence Gear is created to optimize adaptability in a assortment of programs. The gearbox’s modular design enables for unlimited scalability. The CZPT Furthermore Collection Equipment is typically utilized in mining functions, and is known for its raw output capabilities and low servicing style. It is created with substantial-top quality components, and it is also accessible in numerous measurements for custom-made applications.
The multi-stage planetary gearbox can merge individual ratios to boost the total multiplicative element. The planetary gears might also be combined to increase the transmittable torque. The output shaft and push shaft may possibly rotate in reverse instructions, or they can be fastened so the gearbox can function in both direction. If the ring gear is set, planetary gearboxes can be realized as multi-stage.
planetarygearbox

CZPT

The CZPT Planetary Gearbox is the excellent mix of compact size and substantial effectiveness in power transmission. The compact design and style enables this gearbox to operate silently while still delivering large electrical power density and transmission performance. The CZPT Planetary Gearbox has several advantages. In contrast to conventional planetary gearboxes, CZPT’s planetary gearbox features substantial energy density, reduced torque, and ideal transmission efficiency.
CZPT’s goods have been used in a assortment of programs for numerous years, proving their trustworthiness and high quality. These products are renowned in the globe for their reliability and high quality. CZPT’s planetary gearboxes are backed by a 5-yr warranty. These characteristics help customers select a planetary gearbox that fulfills their demands and stays in leading shape for years to appear. But how do you take a look at a planetary gearbox?
Figure 17 demonstrates the reaction of a planetary gearbox to vibration. The greatest displacement in xg route at a 50% crack stage is proven by the dashed line. The signal in xg route is known as the xsignal. In addition, the CZPT Planetary Gearbox’s vibration response is very sensitive to the place of the bearings. For this cause, dynamic modeling of a planetary gearbox need to think about bearing clearance.
CZPT’s hollow cup motor travel system attributes substantial reliability and lower electrical power use. The gearbox is compatible with industries with large good quality standards, as there is no cogging torque. Its compact dimension and minimal electromagnetic sound make it ideal for a selection of programs. For industries with high solution quality specifications, the CZPT Hollow Cup Motor Travel Program is an excellent decision. It is also developed for vertical installation. You can even get numerous CZPT products to fulfill your certain requirements.

CZPT

With its PL series planetary gearboxes, CZPT has expanded its product portfolio to incorporate far more kinds of drive remedies. CZPT is a single of the number of companies to have won the Schneider Electric Provider Award for High quality. In addition, its substantial-top quality planetary gearboxes are extremely customizable, permitting designers to personalize each gearbox for the application at hand. Whether it is a geared pump or a stepper motor, CZPT’s PLE planetary gearboxes are created to meet up with the specific specifications of the software at hand.
The flange-mounted edition of the planetary gearbox is similar to its planetary counterpart. Making use of a flange-mounted planetary gearbox allows for a smaller sized, more compact layout. This product also attributes a large-diameter output shaft, which will help achieve a increased degree of torsional stiffness. This can make CZPT flange gearboxes specifically beneficial for applications the place the direction of movement can adjust often. These gearboxes can be used with a wide assortment of belts.
The PLQE sixty-mm gearbox is utilized in Outrider’s one-phase layout. Its equipment ratio is 5:1, although its twin-phase model has a 15:1 equipment ratio. Each gearboxes have identical mounting configurations, but the two-stage model is marginally more time.
The PLN collection of planetary gearheads from CZPT are the regular for substantial-precision apps. They’re compatible with all main motor manufacturers and measurements, and the company’s adapter kits are accessible to match nearly any motor. This helps make CZPT gearheads 1 of the easiest to combine into a complicated machine. They are also very effortless to set up, with the very same torque as their corresponding spur gears.
planetarygearbox

CZPT’s

If you are searching for an productive resolution for screw push purposes, consider making use of CZPT’s 300M Planetary Gearbox. It has large axial and radial load capacities, compact style, substantial torque output, and torque arm. The 300M planetary gearbox is compatible with a selection of screw presses, which includes hydraulic push systems and digester programs. Its Torque handle and immediate coupling characteristic makes it effortless to install.
CZPT’s small planetary gearboxes have an output torque of twenty:1 from specific ratios of 5:1 and 4:1. They operate silently and deliver maximum transmission effectiveness. The planetary gears are mounted on a ring that is set close to the centre sunlight gear. The ring functions as an output torque converter for the next world stage. This planetary gearbox has a number of levels and a optimum ratio of twenty:1 can be produced from individual ratios of 5:1 and 4:1.
CZPT Motor is an innovator in the style and manufacture of miniature motors for industrial robots. Its choices include brushless DC and brushed DC motors, as effectively as planetary gearboxes, encoders, and brakes. CZPT’s merchandise have a selection of utilizes in robotics, intelligent appliances, health-related products, conversation, and industrial automation. The firm is also fully commited to delivering personalized styles dependent on client technical specs.
Another edge of a planetary gearbox is its substantial electricity transmission performance. It is able of approximately 3% per stage, enabling it to transmit much more torque than a conventional solitary-phase gearbox. Planetary gearboxes are also compact and have a high torque-to-bodyweight ratio. CZPT’s Planetary Gearbox is the greatest option for many apps. This gearbox gives the highest efficiency and is perfect for modest-scale creation.

China Good quality Electrically Driven Industrial Gear Box for Crane Standard Design Dredge Pump Gearboxes Marine Gearbox for Boat Small Diesel Boat Engine Speed 1000-2500 Rpm     with Free Design CustomChina Good quality Electrically Driven Industrial Gear Box for Crane Standard Design Dredge Pump Gearboxes Marine Gearbox for Boat Small Diesel Boat Engine Speed 1000-2500 Rpm     with Free Design Custom

China Best Sales Speed Reducer Gearbox Worm Gear Drive Jack Worm Agricultural Industrial Planetary Helical Bevel Worm Steering Gear Motor Highquantity Nmrv Speed Reducer Gearbox near me manufacturer

Merchandise Description

Speed Reducer Gearbox Worm Gear Push Jack Worm Agricultural Industrial Planetary Helical Bevel Worm Steering Equipment Motor HighQuantity Nmrv Velocity Reducer Gearbox

The reducer is mostly composed of transmission components (gear or worm), shaft, bearing, scenario and its components.

The cupboard is an important part of the reducer. It is the base of the transmission parts and should have adequate energy and rigidity.

The box is normally created of grey forged iron, and a solid steel box can also be employed for large-duty or shock-damped equipment models. In order to simplify the process and reduce the price of the reducer created by the solitary unit, a metal plate welded box can be employed.

 

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

This article will give a transient overview of the Spur gear and the helical planetary gearbox. To understand far more about the rewards of these gearboxes, go through on. Right here are a number of typical utilizes for planetary gears. A planetary gearbox is utilised in numerous automobiles. Its performance makes it a common option for small engines. Listed here are 3 examples. Each and every has its benefits and drawbacks. Let us check out each one.
planetarygearbox

helical planetary gearbox

In conditions of value, the CZPT is an entry-stage, extremely trustworthy helical planetary gearbox. It is suitable for programs the place place, weight, and torque reduction are of substantial issue. On the other hand, the X-Treme series is suitable for applications demanding higher-acceleration, substantial-axial and radial loads, and substantial-pace functionality. This report will talk about the positive aspects of each sort of planetary gearbox.
A planetary gearbox’s traction-based mostly style is a variation of the stepped-world style. This variation depends on the compression of the components of the stepped-world style. The ensuing layout avoids restrictive assembly circumstances and timing marks. In comparison to typical gearboxes, compound planetary gears have a higher transmission ratio, and they do so with an equivalent or more compact quantity. For case in point, a 2:1 ratio compound planet would be used with a 50-ton ring equipment, and the consequence would be the exact same as a 100-ton ring gear, but the planetary disks would be fifty percent the diameter.
The Helical planetary gearbox uses three parts: an input, an output, and a stationary placement. The simple model is very effective and transmits ninety seven% of the input electrical power. There are three primary types of planetary gearboxes, every single concentrating on a diverse performance attribute. The CZPT basic line is an superb location to start off your investigation into planetary gearboxes. In addition to its performance and flexibility, this gearbox has a host of modular attributes.
The Helical planetary gearbox has a number of rewards. It is adaptable, lightweight, and easy to preserve. Its framework brings together a sunlight equipment and a planet gear. Its enamel are organized in a way that they mesh with each and every other and the sunlight equipment. It can also be employed for stationary apps. The sunshine gear holds the provider stationary and rotates at the price of -24/sixteen and -3/2, dependent on the amount of teeth on every equipment.
A helical planetary gearbox can minimize sound. Its condition is also smaller sized, decreasing the dimensions of the method. The helical gears are typically quieter and operate more efficiently. The zero helix-angle gears, in contrast, have more compact dimensions and higher torque density. This is a benefit, but the latter also raises the life of the system and is significantly less expensive. So, even though the helical planetary gearbox has several positive aspects, the latter is suggested when space is constrained.
The helical gearbox is a lot more efficient than the spur gear, which is constrained by its lack of axial load element. The helical gears, on the other hand, create important axial forces in the gear mesh. They also exhibit a lot more sliding at the points of tooth make contact with, adding friction forces. As this sort of, the Helical planetary gearbox is the chosen decision in servo applications. If you’re hunting for a gearbox to reduce noise and boost efficiency, Helical planetary gearboxes are the proper selection.
The primary distinctions between the two kinds of planetary gears can be identified in the layout of the two outer rings. The outer ring is also named the sunlight gear. The two gears mesh together according to their personal axes. The outer ring is the planetary gear’s provider. Its bodyweight is proportional to the part of the ring that is stationary. The carrier sets the gaps among the two gears.
Helical gears have angled enamel and are perfect for programs with large hundreds. They are also extremely sturdy and can transfer a higher load. A typical Helical gearbox has two pairs of enamel, and this makes certain clean transmission. In addition, the elevated make contact with ratio leads to reduce fluctuations in mesh stiffness, which signifies much more load capacity. In phrases of price tag, Helical planetary gears are the most cost-effective gearbox kind.
The outer ring equipment drives the inner ring equipment and surrounding planetary elements. A wheel push planetary gearbox could have as a lot as 332,000 N.m. torque. An additional widespread kind of planetary gearbox is wheel generate. It is related to a hub, but the outer ring gear drives the wheels and the sunshine equipment. They are often mixed over a housing to increase size. 1-phase Helical gears can be utilized in bicycles, even though a two-stage planetary gear system can take care of up to 113,000 N.m. torque.
The style of a helical planetary geartrain is complicated. It must comply with numerous constraints. These constraints relate to the geometrical partnership of the planetary geartrains. This examine of the attainable design place of a Helical geartrain uses geometric layouts. The ring gear, solar, and ring gear have no influence on the ratio of the planetary transmission. Nevertheless, helical geartrains are a excellent option for several programs.
planetarygearbox

Spur gear planetary gearbox

The mixture of planetary gears and spur gears in a transmission program is called a planetary or spur gearbox. Both the planetary equipment and spur gear have their possess attributes and are utilised in numerous kinds of automobiles. They operate in a similar way, but are constructed in different ways. Below are some critical variations in between the two sorts of gears. Detailed below are some of the most critical distinctions in between them:
Helical gears: As opposed to spur gears, helical gears produce considerable axial forces in the gear mesh. They also attribute increased sliding speak to at the stage of tooth speak to. The helix angle of a gearbox is usually in the range of 15 to thirty levels. The higher the helix angle, the much more axial forces will be transmitted. The axial drive in a helical gearbox is greater than that of a spur gear, which is the reason why helical gears are far more successful.
As you can see, the planetary gearhead has many variants and applications. However, you must get care in deciding on the quantity of enamel for your planetary equipment technique. A 5:1 spur gear drive ratio, for illustration, indicates that the solar gear needs to total 5 revolutions for each output carrier revolution. To attain this, you are going to want to decide on a sun gear with 24 enamel, or 5 mm for each revolution. You are going to need to have to know the metric units of the planetary gearhead for it to be appropriate with diverse sorts of devices.
Another important function of a planetary gearbox is that it isn’t going to call for all of the spur gears to rotate all around the axis of the generate shaft. Instead, the spur gears’ internal teeth are fastened and the generate shaft is in the very same route as the output shaft. If you pick a planetary gearbox with fixed inside tooth, you will need to have to make confident that it has sufficient lubrication.
The other significant variation among a spur equipment and a planetary gearbox is the pitch. A planetary gearbox has a large pitch diameter, whilst a spur equipment has low pitch. A spur gear is in a position to deal with greater torques, but isn’t as productive. In addition, its larger torque ability is a large drawback. Its efficiency is equivalent to that of a spur gear, but it is much considerably less noisy.
An additional distinction among planetary and spur gear motors is their value. Planetary gear motors have a tendency to be far more high-priced than spur gear motors. But spur gears are cheaper to create, as the gears by themselves are smaller and less complicated. However, planetary equipment motors are a lot more successful and strong. They can take care of reduce torque purposes. But each equipment carries a mounted load, restricting their torque. A spur gear motor also has fewer inside frictions, so it is often suited for lower torque programs.
Another variation between spur gears and planetary gears is their orientation. Solitary spur gears are not coaxial gearboxes, so they are 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 created of two sets of gear wheels with the very same orientation. This provides it the capability to achieve concentricity.
Another variation between spur gears and planetary gears is that a planetary equipment has an integer variety of enamel. This is crucial since every single gear need to mesh with a sunlight gear or a ring gear. In addition, every planet have to have a corresponding quantity of teeth. For every earth to mesh with the sunshine, the tooth must have a specific distance apart from the other. The spacing between planets also matters.
Apart from the measurement, the planetary equipment program is also recognized as epicyclic gearing. A planetary gear method has a sun equipment in the center, which serves as the enter equipment. This gear has at least three driven gears. These gears engage with every other from the inside and form an inner spur equipment design. These gear sets are highly tough and ready to modify ratios. If wanted, a planetary gear teach can be transformed to an additional ratio, thus boosting its effectiveness.
One more critical big difference in between a spur equipment and a planetary gearbox is the kind of tooth. A spur gear has enamel that are parallel to the shaft, while a planetary gear has tooth that are angled. This variety of equipment is most suited for reduced-pace applications, in which torque is necessary to move the actuation object. Spur gears also create noise and can damage equipment enamel thanks to repeated collisions. A spur gear can also slip, stopping torque from reaching the actuation item.

China Best Sales Speed Reducer Gearbox Worm Gear Drive Jack Worm Agricultural Industrial Planetary Helical Bevel Worm Steering Gear Motor Highquantity Nmrv Speed Reducer Gearbox     near me manufacturer China Best Sales Speed Reducer Gearbox Worm Gear Drive Jack Worm Agricultural Industrial Planetary Helical Bevel Worm Steering Gear Motor Highquantity Nmrv Speed Reducer Gearbox     near me manufacturer