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Helical Gearboxes

Coaxial helical inline gearbox

Coaxial helical inline gearbox

Inline helical gearbox manufacturer, bevel helical gearbox, coaxial gearbox, skew bevel helical gearbox, planetary gearbox, coaxial shaft definition, helical reduction gearboxes, types of gearbox

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R series helical inline Coaxial helical inline gearbox is a machine that realizes electromechanical integration, high transmission efficiency and low energy consumption, and is widely used in metallurgy and sewage treatment.

Coaxial helical inline gearbox

We are a Tradition of Excellence One of the world’s largest Coaxial helical inline gearbox manufacturers that meets industry demand for smaller, lighter, reliable and energy-efficient power transmission components. As a famous China Coaxial helical inline gearbox manufacturers in 2019, we have made more and more high quality gearbox Motor products in best price also with certified Chinese Motor Power manufacturers, Electric Motor Part suppliers, wholesalers and factory.

R series helical inline Coaxial helical inline gearbox is designed and manufactured on the basis of modular combination system. There are many motor combinations, installation forms and structural schemes. The transmission ratio is finely graded to meet different working conditions and superior performance. R series helical inline Coaxial helical inline gearbox  has a high-rigidity cast iron box with ribs; the hard-toothed face gear is made of high-quality alloy steel, the surface is hardened by carburizing and quenching, the grinding teeth are finely processed, the transmission is stable, the noise is low, the bearing capacity is large, the temperature rise is low, and the service life is long. R series helical inline Coaxial helical inline gearbox is widely used in metallurgy, sewage treatment, chemical, pharmaceutical and other industries.

Our Coaxial helical inline gearbox is a heavy-duty, low-cost, gearhead that works with any of the three-inch diameter AmpFlow motors. Our Coaxial helical inline gearbox uses a unique three-stage chain-and-sprocket mechanism that reduces cost while still maintaining high torque capacity. If you want to buy cheap Coaxial helical inline gearbox, choose Coaxial helical inline gearbox from us and we can endeavors to provide the products that you want, offering the best Coaxial helical inline gearbox for your buck. Whatever Coaxial helical inline gearbox styles you want, can be easily bought from what we are manufacturing.

Coaxial helical inline gearboxCoaxial helical inline gearbox

Feature editing
1. Space saving, reliable and durable, with high overload capacity, power up to 132KW;
2, low energy consumption, superior performance, the efficiency of the gearbox is as high as 95% or more;
3. Low vibration, low noise and high energy saving;
4, the selection of high-quality forged steel materials, steel cast iron box, the surface of the gear after high-frequency heat treatment;
5. After precision machining to ensure the parallelism of the shaft and the requirements of the positioning bearing, the gearbox that forms the helical gear transmission assembly is equipped with various types of motors, which are combined into mechatronics, which fully guarantees the quality characteristics of the products.
Classification and application editing
First, R series helical gearbox
R series helical gearbox has the characteristics of small size, light weight, high bearing capacity, high efficiency, long service life, convenient installation, wide motor power range and fine classification of transmission ratio. Can be widely used in equipment that needs to be decelerated in various industries.

Second, S series helical gear helical gearbox
The helical gear helical gearbox adopts the direct connection mode of the motor, and the structure is a first stage helical gear plus a first stage helical gear transmission. The output is shaft mounted and comes in six basic mounting styles. It can be reversed and reversed. The helical gear adopts hard tooth surface, stable operation, large carrying capacity, working environment temperature -10 °C ~ 40 °C. This product has the characteristics of large speed variation range, compact structure and convenient installation compared with similar products. Can be widely used in metallurgy, mining, lifting, light industry, chemical, transportation, construction and other mechanical equipment speed reduction mechanism.
Third, K series bevel gear - helical gear motor
The bevel gear-helical gear reduction motor adopts the direct connection mode of the motor, and the structure is a first-stage helical gear plus a first-stage helical gear transmission. The output is shaft mounted and comes in six basic mounting styles. It can be reversed and reversed. The helical gear adopts hard tooth surface, stable operation, large carrying capacity, working environment temperature -10 °C ~ 40 °C. This product has the characteristics of large speed variation range, compact structure and convenient installation compared with similar products. Can be widely used in metallurgy, mining, lifting, light industry, chemical, transportation, construction and other mechanical equipment speed reduction mechanism.

Coaxial helical inline gearboxCoaxial helical inline gearbox
Four. F series parallel shaft geared motor
The F series parallel shaft geared motor adopts the unit structure modular design principle, which greatly reduces the types of parts and stocks, and greatly shortens the delivery cycle. Products are widely used in light industry, food, beer and beverage, chemical, escalator, automated storage equipment, construction, machinery, steel metallurgy, paper, wood-based machinery, automobile manufacturing, tobacco machinery, water conservancy, printing and packaging, pharmaceutical, textile, building materials , logistics, feed machinery, environmental protection and other fields.

FAQ editing
Fever and oil leakage
In order to improve efficiency, helical gearbox generally use non-ferrous metals for helical gears, while helicals use harder steel. Because it is a sliding friction transmission, more heat is generated during operation, which causes a difference in thermal expansion between the various parts of the gearbox and the seal, thereby forming a gap in each mating surface, and the lubricating oil is thinned due to an increase in temperature, which is liable to cause leakage. . There are four main reasons for this situation. One is that the material is not properly matched; the other is the poor quality of the surface of the friction surface; the third is that the amount of lubricant added is not correct; the fourth is the poor quality of assembly and use.

Coaxial helical inline gearboxCoaxial helical inline gearbox

The helical gear is generally made of tin bronze, and the paired helical material is hardened to 45°C to HRC4555, or 40Cr hardened to HRC5055 and then ground to a roughness of Ra0.8μm by a helical grinder. The gearbox wears very slowly during normal operation, and some gearboxs can be used for more than 10 years. If the wear speed is faster, it is necessary to consider whether the selection is correct, whether it is overloaded, and the material, assembly quality or use environment of the helical gear.

It usually occurs on a vertical mounted gearbox, mainly related to the amount of lubricant added and the type of oil. When the vertical installation is installed, it is easy to cause insufficient lubricant. When the gearbox stops running, the transmission gear oil between the motor and the gearbox is lost, and the gears are not protected by the lubrication. When the gearbox is started, the gears are mechanically worn or even damaged due to the lack of effective lubrication.

Coaxial helical inline gearboxCoaxial helical inline gearbox
Broken helical bearing
In the event of a fault, even if the gearbox is well sealed, it is often found that the gear oil in the gearbox is emulsified and the bearing is rusted, corroded and damaged. This is because the condensed water produced by the gear oil temperature rises and cools after mixing for a period of time. Of course, it is also closely related to bearing quality and assembly process.


Troubleshooting editor
Guarantee assembly quality
You can purchase or make some special tools. When disassembling and installing the parts of the gearbox, try to avoid hitting with other tools such as hammers. When replacing gears and helical gears, try to use original parts and replace them in pairs. When assembling the output shaft, pay attention to it. Tolerance fit; use a release agent or red dan oil to protect the hollow shaft to prevent wear and rust or to match the area scale, which is difficult to disassemble during maintenance.


Lubricating oil selection
Helical gear-helical gearbox generally uses 220# gear oil. For heavy-duty, frequent start-up and poor-use gearbox, some lubricating oil additives can be used to keep the gear oil attached to the gear surface when the gearbox stops running. Form a protective film to prevent direct contact between the metal under heavy load, low speed, high torque and start-up. The additive contains a seal regulator and a leak preventer to keep the seal soft and elastic, effectively reducing oil leakage.

Coaxial helical inline gearbox
Installation location selection
When possible, do not use a vertical installation. When installing vertically, the amount of lubricating oil added is much more than that of horizontal installation, which may cause heat generation and oil leakage of the gearbox.


Lubrication maintenance
The gearbox can be maintained according to the “five-set” principle of lubrication work. Every gearbox has a responsible person to check regularly and find that the temperature rise is obvious. If the temperature exceeds 40°C or the oil temperature exceeds 80°C, the quality of the oil will drop or oil. When more copper powder is found and abnormal noise is generated, stop using it immediately, repair it in time, troubleshoot it, and replace the oil. When refueling, pay attention to the amount of oil to ensure that the gear unit is properly lubricated.

Coaxial helical inline gearbox
Maintenance method
For the wear and tear of the gearbox, the traditional solution is repairing after repair welding or brush plating, but both have certain drawbacks: the thermal stress generated by the repair welding high temperature cannot be completely eliminated, which is easy to cause material damage, resulting in bending of the parts. Or rupture; while brush plating is limited by the thickness of the coating, it is easy to peel off, and the above two methods use metal to repair the metal, and can not change the "hard to hard" coordination relationship. Under the combined action of each force, it will still cause again abrasion. In the contemporary Western countries, the repair method of polymer composite materials is often used for the above problems, and it has super-adhesive strength, excellent compressive strength and other comprehensive properties, and can be repaired on site without disassembly and machining. The maintenance of polymer materials has no influence on the thermal stress of repair welding, and the thickness of repair is not limited. At the same time, the metal material of the product does not have the concession, which can absorb the shock and vibration of the equipment, avoid the possibility of re-wearing, and greatly extend the equipment components. The service life saves a lot of downtime for the company and creates huge economic value.
Oil spill problem editing


Cause Analysis
1. The pressure in the fuel tank rises.
In the closed gearbox, each pair of gears meshes with each other to generate heat. According to the Boeing's law, as the running time is lengthened, the temperature inside the gearbox is gradually increased, and the volume inside the chassis is reduced. It does not change, so the pressure inside the box increases, and the lubricating oil in the box is splashed and sprinkled on the inner wall of the reduction chassis. Because the oil has a relatively high permeability, under the pressure inside the box, which one is not tightly sealed, the oil will seep out from there.
2. The structural design of the gearbox is unreasonable and causes oil leakage.
If the designed gearbox does not have a hood, the gearbox cannot achieve equalization, resulting in higher and higher pressure inside the tank and oil leakage.
3, too much fuel
During the operation of the gearbox, the oil pool is stirred a lot, and the lubricating oil splashes everywhere in the machine. If the amount of oil is too much, a large amount of lubricating oil accumulates in the shaft seal, joint surface, etc., resulting in leakage.
4, improper maintenance process
During equipment maintenance, oil leakage may occur due to incomplete removal of dirt on the bonding surface, improper selection of sealant, reverse orientation of the seal, and failure to replace the seal in time. 

Coaxial helical inline gearbox
Treatment plan
The polymer composite material is used to repair and treat the leakage oil of the gearbox. The polymer composite material is made of high molecular polymer, metal or ceramic ultrafine powder, fiber and the like, and is compounded by the curing agent and the curing accelerator. s material. Various materials complement each other in performance and produce synergistic effects, so that the overall performance of the composite material is superior to the original constituent materials. With strong adhesion, mechanical properties, and chemical resistance, it is widely used in metal equipment for mechanical wear, scratches, pits, cracks, leaks, repair of sand holes, etc., as well as various chemical storage tanks. Chemical corrosion protection and repair of reaction tanks and pipelines. For the static sealing point leakage of the gearbox, the surface of the gearbox can be treated with MEGAHUA polymer composite materials and technology without disassembly. The polymer composite material is leaked outside, saving time and effort, and the effect is immediate. The superior adhesion of the product. , oil resistance and 350% stretch, to overcome the impact of the vibration of the gearbox, a good solution for the enterprise can not solve the problem for many years. If the static sealing point leaks during the operation of the gearbox, it can be blocked by the surface engineering technology oil surface emergency repair agent, so as to eliminate the oil leakage.

Coaxial helical inline gearbox
Advantages and disadvantages editing
1. Good meshing performance, low vibration, low noise and stable transmission.
2. The degree of coincidence is large. The load of each pair of teeth is reduced, the bearing capacity of the gear is relatively increased, and the service life is long;
3, because of the surface contact, the force area is large, the transmission torque is large, and it is often used on heavy machinery;
4. The minimum number of teeth of the helical gear is less than the minimum number of teeth of the spur gear, so the helical gear is not easy to undercut;
5. The helical gear mechanism is compacter than the spur gear, small in size, light in weight and high in transmission precision.


Disadvantages:
1. The price is higher;
2. Herringbone helical gears have high technical content and are more troublesome to manufacture.

Explosion-proof helical gearbox
RX series (single stage)
6 different sizes of high efficiency helical gearbox
Output torque up to 830 Nm
The reduction ratio is up to i = 8.65
Designed in foot and flange mounting
R series (two and three)
Fifteen different sizes for optimum balance of performance and space requirements
Precision reduction ratio, up to i = 289.74; or for double gearboxs i = 27001
Designed in foot and flange mounting
Small backlash gearbox
RM series (two and three)
Explosion-proof helical gearbox with extended output bearing hub
Designed for mixing applications 10 sizes
The reduction ratio is up to i = 289.74
Allows high loads and axial loads and bending moments
More information on the R series of explosion-proof helical gearboxes
Explosion-proof AC motor
EDR.. series

Compliance with EC Directive 94/9/EC (ATEX), or compliance with EU Directive 2014/34/EU (ATEX) and IECEx from April 20, 2016
Can be used in 2G, 2GD and 3GD classes in the 1/21 and 2/22 zones
Can also be supplied as a Class 3 brake motor
Compliance with performance level IE2
Compliant with IECEx to EPL Gb and Db and Gc and Dc
According to the IECEx certified equipment program, the EDRS and EDRE motor types have passed the audit and certification of PTB using ExTr, QAR and CoC methods. For more information on the certification system, please refer to the website International Electrotechnical Commission.
Operates on the frequency converter and is also used to attenuate magnetic field operations for Class 2 and Class 3 and/or EPL .b and .c
According to HazLoc-NA® (NEC500/C22.1)
The motor is certified according to the grading system, so the motor meets the explosion-proof requirements for the North American market.
Can be used as a CID2 class for Level 1 Zone 2 of gas groups A, B, C and D
Can be used as CIID2 class for secondary zone 2 of gas grouping F and G
Can be used as CICIID2 class, for Level 1 Zone 2 of Gas Groups A, B, C and D and Level 2 of Dust Groups F and G
Can also be used as a brake motor
Coaxial helical inline gearbox

Characteristic:

Space saving, reliable and durable, with high overload capacity and power up to 132KW;

Low energy consumption, superior performance, R series helical inline Coaxial helical inline gearboxefficiency as high as more than 95%;

Low vibration, low noise, high energy saving;

Select high quality forged steel materials, steel cast iron box body, gear surface through high frequency heat treatment;

After precision processing, to ensure the shaft parallelism and bearing positioning requirements, the gearbox forming the helical gear transmission assembly is equipped with various types of motors, which are combined into electromechanical integration, completely guaranteeing the product quality characteristics.

As a leading manufacturer of Coaxial helical inline gearbox and gearboxes. The full line of product includes parallel shaft Coaxial helical inline gearbox, helical Coaxial helical inline gearbox, helical helical Coaxial helical inline gearbox, bevel Coaxial helical inline gearbox, and helical Coaxial helical inline gearbox solutions for power transmission applications.

Common Problem

Heat and oil spill

In order to improve efficiency, the R series helical inline Coaxial helical inline gearbox is usually made of non-ferrous metal, and the gear is made of hard steel. As a sliding friction drive, more heat will be generated during operation, which makes the thermal expansion of each part and seal of the gearbox different, thus forming a gap in each matching surface, and the lubricating oil will become dilute due to the rising temperature, which is easy to cause leakage.

the helical inline Coaxial helical inline gearbox represent the cost-effective solution for angular Coaxial helical inline gearbox in the lower torque range. They achieve extremely low noise and are used by example in waste water system and as drives in price details of companies selling Coaxial helical inline gearbox. Get info of suppliers, manufacturers, exporters, traders of gearbox for buying in China. we would like to help you find the best suppliers for your requirement.

Coaxial helical inline gearboxCoaxial helical inline gearbox

Gear Abrasion

Generally occurs in vertical mounted R series helical inline Coaxial helical inline gearbox, mainly with the amount of lubricating oil and oil varieties. When vertical installation, it is easy to cause insufficient lubricating oil. When the gearbox stops running, the transmission gear oil between the motor and gearbox is lost.

R..EDR.. helical geared motors are fully ATEX compliant. The II2GD and II3GD versions provide an ideal combination of performance and explosion protection.

Especially when choosing a motor, you don't need to compromise or cut it off. Our EDR.. motors are ATEX certified and are key components in ensuring drive safety in potentially explosive environments. The size of the motor is very large, ranging from 0.12 kW to 45 kW, giving you great flexibility in your choice.

Flexibility to achieve specific equipment torque through a combination of R Series robust explosion-proof helical gearboxes from 50 Nm to 18,000 Nm

It is the SEW-EURODRIVE modular solution type that makes this wide choice possible. Our explosion-proof R..EDR.. helical geared motors are divided into 2 categories and 3 categories. These motors can be safely used in Class 1 and Class 2 gas zones and/or Class 21 and Class 22 dust zones.

Contact us to find more price details of companies selling gearbox Motor!

With Best Regards,
Cherry Zhang ( Sales Department; Miss. )   
NER GROUP CO.,LIMITED
Yantai Bonway Manufacturer Co., Ltd                                      

Tel:+86-535-6330966

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Add:No.5 Wanshoushan Road Yantai city Shandong Province, China
 

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Date

07 September 2019

Tags

Helical gear

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