China Custom Low Noise Helical Gear 90 Degree High Precision Planetary Reducer double stage helical gearbox

Product Description

Low Noise Helical Gear 90 Degree High Precision Planetary Reducer

Nickel chromium molybdenum alloy steel gear is manufactured with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear precision and low noise operation.Internal gear bore uses needle roller to obtain higher abrasion resistance and strength.

Product Description

Characteristics:
1.Spiral bevel gear reversing mechanism to realize right angle steering output;
2.The installation distance of spiral bevel gear pair is adjustable and the working sound is lower;
3.Grinding bevel gear can be selected,and the working sound is more stable and quiet;
4.Integrated structure,high precision,high rigidity;
5.Double support case planet carrier structure,high reliable,suitable for high-speed frequent and reverse rotation;
6.With axial clearance adjustment function;
7.Collet type locking design,higher coaxiality of motor installtion;
8.Helical gear transmission ,low backlash,more accurate positioning;
9.Size range:60-120mm;
10.Ratio range:3-100;
11.Precision range:3-5arcmin (P1);5-8arcmin (P2)

Product Parameters

Specifications PXR42 PXR60 PXR90 PXR120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 780 1530 3300 6700
Max. Axial Load N 390 600 1500 3000
Torsional Rigidity Nm/arcmin 2.5 6 12 23
Max.Input Speed rpm 8000 8000 6000 6000
Rated Input Speed rpm 4000 4000 3000 3000
Noise dB ≤56 ≤64 ≤66 ≤66
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin ≤3 ≤5 ≤5 ≤5
L2 arcmin ≤5 ≤7 ≤7 ≤7
P2 L1 arcmin ≤5 ≤8 ≤8 ≤8
L2 arcmin ≤7 ≤10 ≤10 ≤10
Moment Of Inertia Table L1 3 Kg*cm2 / 0.4 2.28 6.87
4 Kg*cm2 0.12 0.4 2.28 6.87
5 Kg*cm2 0.09 0.4 2.28 6.87
7 Kg*cm2 0.09 0.4 2.28 6.87
8 Kg*cm2 / 0.4 1.45 4.76
10 Kg*cm2 0.09 0.3 1.45 4.76
14 Kg*cm2 / 0.4 2.28 6.87
20 Kg*cm2 / 0.4 2.28 6.87
L2 25 Kg*cm2 0.09 0.4 2.28 6.87
30 Kg*cm2 / 0.4 2.28 6.87
35 Kg*cm2 0.09 0.4 2.28 6.87
40 Kg*cm2 0.09 0.4 2.28 6.87
50 Kg*cm2 0.09 0.3 1.45 4.76
70 Kg*cm2 0.09 0.3 1.45 4.76
100 Kg*cm2 0.07 0.3 1.45 4.76
Technical Parameter Level Ratio   PXR42 PXR60 PXR90 PXR120
Rated Torque L1 3 Nm / 40 105 165
4 Nm 17 45 130 230
5 Nm 15 45 130 230
7 Nm 12 45 100 220
8 Nm / 45 90 200
10 Nm 10 45 130 230
14 Nm / 45 100 220
20 Nm / 30 75 175
L2 25 Nm 15 45 130 230
30 Nm / 40 105 165
35 Nm 15 45 130 230
40 Nm 17 45 130 230
50 Nm 15 45 130 230
70 Nm 12 45 130 230
100 Nm 15 46 130 230
Degree Of Protection   IP65
Operation Temperature ºC  – 10ºC to -90ºC
Weight L1 kg 0.7 2.05 6.45 13.7
L2 kg 0.9 3.15 8.8 17.2

 

Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

FAQ

1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc

4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts

5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese

Application: Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Automation Equipment
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step
Samples:
US$ 234/Piece
1 Piece(Min.Order)

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Customization:
Available

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helical gearbox

Why Choose a Helical Gearbox?

Choosing a helical gearbox is an important decision for any machine builder. It can help you to reduce maintenance costs, improve productivity and efficiency, and ensure that your equipment operates quietly and efficiently. In addition, it can also be compact in size and easy to install.

High productivity and efficiency

Compared to spur gears, helical gears have high productivity and efficiency. This is due to the fact that the helical gearbox is more effective at transferring power between right-angle configurations. Helical gears are also quieter. They also have the ability to tolerate a greater load. These gears are usually used in high-load applications, such as automotive transmission applications.
The basic features of helical gears include a slanted tooth face, a larger contact ratio, and a smoother performance. Helical gears are also less expensive than spur gears. They have more power carrying capacity, longer life, and are easier to maintain.
There are many factors that affect the efficiency of helical gearboxes. Some of them include the number of stages, reduction ratio, ambient conditions, and lubrication. They are also affected by the number of teeth.
Power loss in helical gears is mainly due to friction and heat. There are various approaches to minimize these losses. One approach is to analyse power losses using a numerical method.
Other factors that affect the efficiency of helical systems include speed, noise, and the number of teeth. The amount of power lost in gear mating is dependent on the load.

Low power consumption

Compared to other types of gearboxes, helical gearboxes have low power consumption. This is because they can tolerate more load, conduct smooth performance, and are quieter. They also require less oil changes and have a longer life span.
Helical gears have special teeth that are cut at an angle. The teeth are designed to engage gradually, rather than quickly. They can transfer power between parallel configurations and right-angle configurations.
Helical gearboxes are the most widely used gearboxes. They are also the most efficient. They can work at 98% efficiency. However, they are more expensive than spur gears. They can be packaged with oil-filled housings. They have less noise and require less maintenance. They can operate cooler, and have more torque capacity.
Helical gearboxes have two types: single and double helical gears. In the single type, the gears are perpendicular to the axis. They are usually used in automotive transmission applications. They can also be used in forward velocities. In the double type, the helical faces are next to each other.
Helical gears work at higher ratios, which increases their efficiency. They are also less noisy than spur gears. They are a good choice for applications that require high torque capacity. The basic efficiency of helical gearboxes ranges from 90% to 99.5%. They are also easier to operate and have a longer life span. They are suited to a wide range of applications.helical gearbox

Compact in size

Having a shiny new set of wheels is a nice change of pace. You get to sit in style and you get to drive it like the pro. The trick is finding the right one at the right time. Fortunately, there are plenty of companies who know how to build a high quality car that can be afforded by the average Joe. You’ll find all types of cars from sports coupes to hatchbacks. You’ll also find all types of drivers from the young professional to the seasoned veteran. You’ll also find all types of roads from main streets to back roads. There are even all types of parking spaces to choose from. With a bit of planning and some research, you’ll find the perfect fit for you and your family. You can’t help but wonder why you didn’t choose a vehicle with this many perks sooner. It’s a nice way to spend a night on the town, without having to worry about a parking fee. The next time you’re in the mood to take the family out to the country for a weekend in the great bluffs, you’ll know which ones to avoid.

Noise-free operation

Compared to spur gears, helical gears have better speed capability and quieter operation. However, helical gearboxes often have problems that stop their service. These faults result in increased productivity costs. These problems include fatigue, chipping tip, crack and missing tooth.
In this paper, we propose a novel signal processing scheme to detect gearbox faults at constant speed. The method involves the use of spectral subtraction (SS) to remove the spectral noise of a signal. This approach is widely used in speech signal processing. It is also used to estimate real-time noise information. The method was successfully applied to the analysis of gearbox faults.
The spectral subtraction technique is applied to the transmission error and to the side-band frequency feature. The side-band frequency is equal to the rotation frequency of the input shaft. A square envelope spectrum method is used to obtain the spectral feature. It was then used to obtain the corresponding fault signal. The method is then compared with experimentally measured noise data.
It is also important to note that the side-band feature is not stable in different noise levels. The optimal demodulation subband selection method is not obvious. However, the proposed method can obtain a stable amplitude value when SNR is low.
Another important factor that reduces noise is the overlap ratio. The overlap ratio is the sum of the transverse contact ratio and the face contact ratio. When the overlap ratio approaches one, the noise is minimized.

Improved performance at high speeds

Whether used in an industrial, automotive or power generation application, helical gearboxes provide a number of benefits over traditional spur gearing systems. These advantages include reduced noise, higher load capacity and smoother operation.
In an effort to reduce noise and improve performance at high speeds, Parker engineers developed a helical gearbox that runs quieter and produces 30-40% more torque than a conventionally modified gear. They also redesigned the entry and exit points of the gear tooth for increased efficiency and strength.
The high-speed helical geartrain has been tested at 5,000 hp power. The tests were performed in the High-Speed Helical Geartrain Test Facility at the NASA Glenn Research Center. The tests were conducted at four different design configurations and at multiple input shaft speeds. These tests included temperature increases from inlet to outlet, fling off temperatures, and power loss of the helical system.
The first step was to improve load distribution of the gear pair. This is done by modifying the microgeometry of each gear. In addition to modifying the microgeometry of each tooth, the length of the contact line was extended. This resulted in a higher tooth contact ratio.
Another option is to modify the straddle-mounted pin of the PGS. This is a complicated task because of spatial constraints. In order to determine whether the pin will have the desired effect, it needs to be tested in real-world tests.helical gearbox

Reduce maintenance costs

Compared to spur gears, helical gears have several advantages, such as less noise and vibration, greater load carrying capacity, and longer life. They also have a reduced maintenance cost.
Helical gears can be divided into two main types: single helical and crossed axis helicals. In the single helical type, two or three teeth connect at all times.
In crossed axis helicals, the shafts are inclined at a variety of angles. These gears are primarily used in non-perpendicular transmissions. They can have very low load carrying capacity, but they offer better strength and speed reduction than spur gears.
The double helical type has two mirrored rows of teeth that are angled. This type of gear is also known as a herringbone gear. It’s a design that’s ideal for non-perpendicular transmissions.
Helical gears are packaged in oil filled housings. They are a space saving gear reducer. They are used in automobile transmissions and other forward speeds. They are also used in industrial gearboxes.
Helical gears can be made of either solid or semi-solid materials. They can be sliced into an arbitrary number of cross sections. This allows the helix to be adjusted to suit the application.
It’s important to choose the right gear for your application. The gear’s design may include the number of teeth, lubricant type, surface treatment, and the tooth angle. It’s also important to choose the right lubricant, because it can affect the noise levels and the efficiency of the gear.
China Custom Low Noise Helical Gear 90 Degree High Precision Planetary Reducer   double stage helical gearboxChina Custom Low Noise Helical Gear 90 Degree High Precision Planetary Reducer   double stage helical gearbox
editor by CX 2023-10-22

Helical Gearbox

As one of the leading helical gearbox manufacturers, suppliers, and exporters of mechanical products, We offer helical gearboxes and many other products.

Please contact us for details.

Manufacturer supplier exporter of the helical gearbox.