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Helical Gearbox

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Our in-line helical NHL series gearboxes and gear motors combine high efficiency, flexible design and a wide range of gear ratios for maximum reliability in a wide variety of applications and industries. The MNHL/NHL series includes 10 sizes in 2, 3 or 4 reduction stages. It has options for 3 input versions and 4 output versions.



Our right angle helical gearboxes and geared motors maintain high efficiency and reliability while fitting into tight spaces. The durable cast-iron design of the MBH/BH series meets the needs of all types of heavy-duty applications. It is available in 9 sizes, and multiple ratios, and has 4 input and 4 output versions.



Our offset parallel helical gearboxes combine the efficiency and reliability of inline helical gears with the benefits of shaft mounting. We offer two different designs for screw shaft mounting designs. Both offer a range of ratios in various sizes, output flanges or torque arms, and internal backstop options to meet the needs of industrial applications.

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What is Helical Gearbox?

A helical gear transmission includes a set of helical gears. A helical gear is a cylindrical gear with slanted tooth tracks. Compared to spur gears, they have higher contact levels, less vibration, excellent quietness and the ability to transmit larger loads. A set of helical gears have the same helix angle, but the helical hands are on opposite sides. Helical gearboxes are one of the most widely used and they are more efficient than any other gearbox. Their configuration is beneficial for many performances.

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Where is helical gearbox used?

Some of the industries where the helical gears are commonly used are Printing, earth-moving, and fertilizer industries. Port and power industries, steel and rolling mills. Textile industries, food industries, plastic industries, elevators, conveyors, compressors, blowers, cutters, and oil industries.

China manufacturer Bevel Helical Geared Mootor Gearbox for Crane gearbox design

Product Description Starshine Drive K Series Helical -Bevel Geared Motor      Features:       -High efficiency: 92%-93%;       -Vertical output, compact structure, hard tooth surface , large output torque, low noise and long service life.         -High precision: the...

China Standard Nmrv Cast Aluminum Worm Gearbox with Induction Motor with Good quality

Solution Description NMRV Forged Aluminum Worm GearboxTechnological Parameters Item Benefits 1. Its visual appeal is "square box" composition, with beautiful look, modest quantity, fast warmth dispersion, and adaptable use and installation.two. Worm and gear pairs...

China Custom hot sale Helical  worm gear worm Gear R K S F four series hard tooth surface reducer gear box with Great quality

Item Description The expression "gearbox" is used to refer to any unit that connects a motor to a equipment and is composed of a series of gears, also acknowledged as a gear established. It receives the primary enter pace from the motor and modifications it to a...

China wholesaler Dy Series AC Motor Helical Gearbox for Concrete Mixer wholesaler

Solution Description Product DescriptionDY Sequence AC Motor Helical GearBox for Concrete Mixer Parts:1. Housing: Cast Iron or Metal Plate Welding2. Gear Established: Hardened Helical Equipment Pairs, Carburizing, Quenching, Grinding, Equipment Hardness HRC54-623....

China OEM Metal Casting Technology Aluminum Gear Box for Reducer with Hot selling

Merchandise Description Item SpecificationThe aluminum gravity casting flow pump housing is utilised in indusrial gear.Aluminum castings have a wide range of application in industries. Numerous elements can be cast successfully employing aluminum solid like Valve...

China Best Sales Helical Gearboxs for Various Industry CZPT with Hot selling

Item Description Complex parameter    Features♦High effectiveness and preserve expense.♦Stable working, reduced sounds and extended support existence. ♦Parallel-axes output, compact structure, higher torque transmission.Technological Knowledge ratio...

China best S37-S97 Helical Worm Gearbox with Best Sales

Item Description S sequence Helical- Worm Geared Reducer with Motorone. Merchandise attributesone.1. S series: proper-angle speed reduction gearing composed by helical gears, worms, and gears, optimized and developed according to intercontinental standard one.2.Large...

China Hot selling RV30 Gear Reduction Worm Gearbox with Output Shaft 14mm with high quality

Item Description  Item DescriptionMajor Attributes:one) Created of higher quality aluminum alloy, light fat and non-rusting2) Huge output torque and substantial radiating efficiency3) Smooth managing and reduced sound, can function long time in dreadful issuefour)...

China Best Sales Belt Conveyor Gears Accuracy 6 Class Shaft Mount Hollow Shaft Output Transmission Helical Gearbox with Extension Shaft for Bearing with high quality

Merchandise Description Belt Conveyor Gears Precision 6 Class Shaft Mount Hollow Shaft Output Transmission Helical Gearbox with Extension Shaft for BearingThe attributes of ATA shaft mounted gearbox:Mounting Kind: Tie rod Hanging shaft mountedOutput Shaft: Single...

China Standard K Type Helical Bevel Gearbox Made in Shanghai near me manufacturer

Merchandise Description Technological Parameter  Attributes♦Specially made for agitator. ♦Compact structure, Built-in casting housing, reduced sound and long service lifestyle. ♦High efficiency and reduced routine maintenance. Technical DataRatio I=8.1~191, blend of...


The Advantages of Helical Gearboxes

There are many benefits to using a helical gearbox. This type of gearbox is quieter than spur gears and can handle heavier loads than comparable gears. Its higher speed capability makes it ideal for applications such as conveyors, blowers, elevators, and the food and beverage industry. Double helical gears are another way to overcome some of the disadvantages of using a helical gearbox. But they are still less efficient than spur gears.

The two-stage helical gearbox is designed to minimize total power loss and bulk. The Pareto frontier is used to determine the minimum trade-off. Other design constraints include tribological requirements and hunting tooth frequency. These specifications were developed in accordance with the standards of the American Gear Manufacturers Association. In addition to these benefits, helical gearboxes are more efficient and save costs.

Helical Gearbox Applications

  •  Plastic Extruder helical Gearbox 
  •  Mining & Port Logistics
  •  Sugar Mill
  •  Paper Manufacturing
  •  Petroleum
  •  Construction And Other Heavy Industries

Helical Gearbox Key Features

1. Parallel output, compact structure, large transmission torque, stable operation, low noise and long life.
2. Installation: base installation, hollow shaft installation, flange installation, torque arm installation, small flange installation.
3. The two-stage input and output basically rotate in the same direction, and the third-stage is opposite; F/R combination consultation.
4. Output mode: hollow shaft output or solid shaft output.


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