China Professional Manufacturer Price Helical Gear Reduction Gearbox for Conveyor System why helical gears are used in gearbox

Product Description

Product Description

KPM-KPB series helical-hypoid gearboxes are the new-generation product with a compromise of advanced technology both at home and abroad.This product is widely used in textile, foodstuff, beverage,tobacco, logistics industrial fields,etc.
Main Features:
(1) Driven by hypoid gears, which has big ratios.
(2) Large output torque, high efficiency(up to 92%), energy saving and environmental protection.
(3) High quality aluminum alloy housing, light in weight and non-rusting.
(4) Smooth in running and low in noise, and can work long time in dreadful conditions.
(5) Good-looking appearance, durable service life and small volume.
(6) Suitable for all round installation, wide application and easy use.
(7) KPM series can replace NMRV worm gearbox; KPB series can replace CZPT W series worm gearbox;
(8) Modular and multi-structure can meet the demands of various conditions.
 Main Material:
(1) Housing: aluminum alloy 
(2) Gear wheel: 20CrMnTiH1,carbonize & quencher heat treatment make the hardness of gears surface up to 56-62 HRC, retain carburization layers thickness between 0.3 and 0.5mm after precise grinding.

Detailed Photos

Product Parameters

Model Information:

KPM50..           n1=1400r/min       160Nm    
Model i i n2 M2max Fr2 63B5 71B5/B14 80B5/B14 90B5/B14    
nominal actual [r/min] [Nm] [N]    
3 Stage    
KPM50C   300 294.05 4.8 130  4100   N/A N/A N/A    
KPM50C   250 244.29 5.8 130  4100   N/A N/A N/A    
KPM50C   200 200.44 7.0  130  4100   N/A N/A N/A    
KPM50C   150 146.67 9.6 160  4000   N/A N/A N/A    
KPM50C   125 120.34 12 160  3770     N/A N/A    
KPM50C   100 101.04 14 160  3560     N/A N/A    
KPM50C   75 74.62 19 160  3220     N/A N/A    
KPM50C   60 62.36 23 160  3030     N/A N/A    
KPM50C   50 52.36 27 160  2860     N/A N/A    
2 Stage    
KPM50B   60 58.36 24 130  2960     N/A N/A    
KPM50B   50 48.86 29 130  2790       N/A    
KPM50B   40 40.09 35 130  2610       N/A    
KPM50B   30 29.33 48 160  2350       N/A    
KPM50B   25 24.07 59 160  2200            
KPM50B   20 20.21 70 160  2080            
KPM50B   15 14.92 94 160  1880            
KPM50B   12.5 12.47 113 160  1770            
KPM50B   10 10.47 134 160  1670            
KPM50B   7.5 7.73 182 160  1510            
KPM63..,KPB63..           n1=1400r/min       180Nm    
Model i i n2 M2max Fr2 63B5 71B5/B14 80B5/B14 90B5/B14    
nominal actual [r/min] [Nm] [N]    
3 Stage    
KPM63C KPB63C 300 302.50  4.7 160  4800   N/A N/A N/A    
KPM63C KPB63C 250 243.57  5.8 160  4800   N/A N/A N/A    
KPM63C KPB63C 200 196.43  7.2  160  4800     N/A N/A    
KPM63C KPB63C 150 151.56  9.3 180  4650     N/A N/A    
KPM63C KPB63C 125 122.22  12 180  4330     N/A N/A    
KPM63C KPB63C 100 94.50  14 180  4070     N/A N/A    
KPM63C KPB63C 75 73.33  20 180  3650       N/A    
KPM63C KPB63C 60 63.33  23 180  3480       N/A    
KPM63C KPB63C 50 52.48  27 180  3270       N/A    
2 Stage    
KPM63B KPB63B 60 60.50  24 160  3430       N/A    
KPM63B KPB63B 50 48.71  29 160  3190            
KPM63B KPB63B 40 39.29  36 160  2970            
KPM63B KPB63B 30 30.31  47 180  2720            
KPM63B KPB63B 25 24.44  58 180  2530 N/A          
KPM63B KPB63B 20 18.90  70 180  2380 N/A          
KPM63B KPB63B 15 14.67  96 180  2130 N/A N/A        
KPM63B KPB63B 12.5 12.67  111 180  2030 N/A N/A        
KPM63B KPB63B 10 10.50  134 180  1910 N/A N/A        
KPM63B KPB63B 7.5 7.60  185 180  1710 N/A N/A        
KPM75..,KPB75..           n1=1400r/min           350Nm
Model i i n2 M2max Fr2 63B5 71B5 80B5/B14 90B5/B14 100B5/B14 112B5/B14
nominal actual [r/min] [Nm] [N]
3 Stage
KPM75C KPB75C 300 297.21  4.8 300  6500     N/A N/A N/A N/A
KPM75C KPB75C 250 240.89  5.9 300  6500     N/A N/A N/A N/A
KPM75C KPB75C 200 200.66  7.0  300  6500     N/A N/A N/A N/A
KPM75C KPB75C 150 149.30  9.3 350  6500       N/A N/A N/A
KPM75C KPB75C 125 121.00  12 350  5980       N/A N/A N/A
KPM75C KPB75C 100 100.80  15 350  5520       N/A N/A N/A
KPM75C KPB75C 75 79.40  19 350  5040         N/A N/A
KPM75C KPB75C 60 62.43  23 350  4730 N/A       N/A N/A
KPM75C KPB75C 50 49.18  29 350  4370 N/A       N/A N/A
2 Stage
KPM75B KPB75B 60 59.44  24 300  4660 N/A       N/A N/A
KPM75B KPB75B 50 48.18  30 300  4340 N/A       N/A N/A
KPM75B KPB75B 40 40.13  35 300  4080 N/A         N/A
KPM75B KPB75B 30 29.86  47 350  3720 N/A N/A       N/A
KPM75B KPB75B 25 24.20  56 350  3500 N/A N/A        
KPM75B KPB75B 20 20.16  71 350  3230 N/A N/A        
KPM75B KPB75B 15 15.88  93 350  2950 N/A N/A        
KPM75B KPB75B 12.5 12.49  113 350  2770 N/A N/A N/A      
KPM75B KPB75B 10 9.84  143 350  2550 N/A N/A N/A      
KPM75B KPB75B 7.5 7.48  188 350  2330 N/A N/A N/A      
KPM90..,KPB86..           n1=1400r/min           500Nm
Model i i n2 M2max Fr2 63B5 71B5 80B5/B14 90B5/B14 100B5/B14 112B5/B14
nominal actual [r/min] [Nm] [N]
3 Stage
KPM90C KPB86C 300 297.21  4.8 450  6500     N/A N/A N/A N/A
KPM90C KPB86C 250 240.89  5.9 450  6500       N/A N/A N/A
KPM90C KPB86C 200 200.66  7.0  450  6500       N/A N/A N/A
KPM90C KPB86C 150 151.20  9.3 500  6500       N/A N/A N/A
KPM90C KPB86C 125 125.95  12 500  5980       N/A N/A N/A
KPM90C KPB86C 100 99.22  15 500  5520 N/A       N/A N/A
KPM90C KPB86C 75 75.45  19 500  5040 N/A       N/A N/A
KPM90C KPB86C 60 62.43  23 500  4730 N/A       N/A N/A
KPM90C KPB86C 50 49.18  29 500  4370 N/A       N/A N/A
2 Stage
KPM90B KPB86B 60 59.44  24 450  5890 N/A         N/A
KPM90B KPB86B 50 48.18  30 450  5500 N/A         N/A
KPM90B KPB86B 40 40.13  35 450  5170 N/A N/A        
KPM90B KPB86B 30 30.24  47 500  4710 N/A N/A        
KPM90B KPB86B 25 25.19  56 500  4430 N/A N/A        
KPM90B KPB86B 20 19.84  71 500  4090 N/A N/A N/A      
KPM90B KPB86B 15 15.09  93 500  3730 N/A N/A N/A      
KPM90B KPB86B 12.5 12.49  113 500  3510 N/A N/A N/A      
KPM90B KPB86B 10 9.84  143 500  3240 N/A N/A N/A      
KPM90B KPB86B 7.5 7.48  188 500  2950 N/A N/A N/A      

Outline Dimension:

Company Profile

About our company:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.Our leading products is  full range of RV571-150 worm reducers , also supplied hypoid helical gearbox, PC units, UDL Variators and AC Motors.Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia


After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.


1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!



Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Right-Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Two Stage-Three Stage
US$ 45/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

helical gearbox

Helical Gearbox

Depending on the helical gearbox, it can be either Crossed-axis or Inline. Basically, helical gearboxes are composed of a set of toothed gears that mesh with other toothed parts to transmit torque and speed to other parts of the machine.

Right angle helical gearboxes

Choosing the right angle gearbox can be difficult. This is because the design and specifications will depend on the type of application. The right gearbox can make or break the efficiency of the system. For example, a right angle gearbox will need to be corrosion resistant if it is used in a washdown application. It may also require special grease for use in cold temperatures.
There are many different types of right angle gearboxes. The types include worm, hypoid, and spiral bevel gearboxes. The most common are worm gearboxes. These are a great option for applications that need high torque and power. However, they are not as efficient as spur gears.
Helical gearboxes are ideal for heavy-duty industrial applications such as conveyors, blowers, and elevators. They are quiet and have better speed capabilities than spur gears. They can handle larger loads because of their gradual engagement. They are also capable of adjusting the rotation angle by 90 degrees. They are also more efficient at high speeds.
Spiral bevel gearboxes require more precision to manufacture. They are also more expensive to produce. This is because the teeth need to be drilled and shaped to fit the shafts. The gearbox needs to be designed with tight tolerances and requires basic lubrication. Its operating cycle is long.
Helical gearboxes can be used in conjunction with other gearboxes. For example, the output shaft may be a hollow shaft, or it may be designed with dual counter-rotating shafts. They can also be designed to operate in either a clockwise or counter-clockwise direction.
Right angle gearboxes are ideal for high-speed applications. They require less maintenance than other industrial components. They may require corrosion resistant plating or stainless steel shafts. If you are considering a right angle gearbox, check with a distributor to see what types of products are available. A representative will be able to help you with installation. They may also offer custom gearbox solutions to fit your needs.
A gearbox is made up of four main components. These components include the input shaft, the output shaft, the gear, and the backlash.

Crossed-axis helical gears

Normally, helical gearboxes are used to increase torque between two rotating shafts. Compared to other types of gearboxes, helical gearboxes offer greater speed and power carrying capacity. They are also quieter and smoother in operation. These gearboxes are used in many industries such as food processing, plastic, rubber, and oil industries. These gears also have the advantage of being cheaper than spur gears.
These gears are designed with special teeth that are positioned at an angle to the face of the gear. As they rotate, the teeth engage gradually. They have longer teeth, which allow them to carry heavy loads. The contact area also increases as the gears rotate.
A cross axis helical gearbox is one of the most common types of gearboxes. This gearbox has an advantage over spur gears, since it uses bearings to support the thrust load. It can also adjust the rotation angle by 90 degrees. These gearboxes are typically used to drive automobile oil pump/distribution shafts. They are also used to drive blowers. They have a large thrust force.
The cross axis helical gearbox has the advantage of using bearings to support the thrust load. However, it also has the disadvantage of using a large amount of bearings. In addition, these gears are not suitable for speed reduction beyond 1:2.
Thermoplastic crossed axis helical gears are a convenient solution for high volume applications. These gears are self-locking and offer high torque. These gears are also very durable. They are also available in a variety of configurations and sizes. They are used in a wide range of industries, including the textile industry. The output torque of these gears is also very high.
Crossed helical gears are also used to transmit motion and power between perpendicular but non-intersecting shafts. To achieve this, two mating helical gears must have the same helix angle, pressure angle, and normal pitch. They should also be mounted on perpendicular but non-intersecting, parallel shafts.
To calculate the real radial pitch of a gear, the angle of cut is measured. The gear teeth are then cut at an angle to the face of the gear. The helix angle is also measured.helical gearbox

Inline helical gears

Unlike spur gears, helical gears have a large surface contact and are characterized by low noise and large torque. Moreover, helical gears also have a high degree of meshing performance. They are also compact and durable.
As the name suggests, helical gears are produced using hard steel teeth. They are also hobbed to ensure smooth running and accurate surface finish. In addition, all gearing is ground for increased efficiency.
Inline helical gearboxes are used in a number of applications, including waste water systems and in solvent extraction. They are also used in industries like power plants and food & tobacco. They have good efficiency and are low in cost. They also have interchangeability and high durability. They can be installed in a single piece aluminum alloy housing. They can also be foot mounted or flange mounted. They are available in single stage and three stage constructions.
Helical gearboxes are typically used in high-load applications, such as in cement and waste water systems. They are also suitable for industrial applications, including in manufacturing. They are also used in applications where there is a large speed variation range. They are suitable for a wide temperature range, from -10 degC to 40 degC.
A helical gearbox has a high degree of interchangeability, and can be installed with a wide range of motors. They are also available in flame proof versions. They can also be supplied with an integrated output flange. They have standard IEC inputs, making them easy to install and operate. They also have a removable inspection cover, which allows periodic inspection of gearing. They can also be supplied with integral mounting bases.
The transmission ratio of helical gearboxes is finely graded to meet different working conditions. They also have an output torque that ranges from 1.4-250. They are also available in a modular model, which allows them to be produced in an economical manner. They can also be installed with a standard IEC input, which makes them easy to fit with any IEC motor. They also have a permanent nameplate, which indicates the ratio and the output torque.helical gearbox

Helix angle

Using a helical gearbox is a more economical and efficient way of creating a gearbox. It is also beneficial for production because it allows for more interchangeable components. It can also be used in the oil and plastic industries. It has advantages over conventional gears because it runs quieter.
The helical gearbox is a type of gearbox that uses a helical cut on the teeth of the gears. It carries more surface contact than conventional gears, which increases the power carrying capacity. It is also more durable and quieter than conventional gears.
The helical gearbox is generally used in enclosed gear systems because it allows for higher tooth overlap and smoother performance. It also eliminates thrust forces. The helical gearbox can be made of two helical sections that are close together. It is common to use double helical gearboxes in enclosed gear systems. The gears can be ground and hardened.
The radial pitch of helical gears is about eight millimeters. In the helical gearbox, the radial pitch of the gears is the same as the pitch of the spur gears. Using the same tooth cutting tools, it is possible to make helical gears more economically.
The pitch of the helical gearbox will vary with the helix angle. Typically, the helix angle is between 15 and 30 degrees. The pitch will also change with the number of teeth in the spur gear. The pitch will increase when the number of teeth increases.
The pitch is also affected by the pressure angle of the tooth. The pressure angle affects the normal force and curvature radii. The length of the helical gear contact line decreases as the pressure angle increases. This can also be seen when considering contact on the tooth surface. The helix angle is also important when calculating the forces between the helical gears.
It is important to understand that helical gears generate axial forces within the gear-mesh. These forces need to be supported by bearings. They also generate heat. This heat is also detrimental to the efficiency of the gear. It can also cause power loss.
China Professional Manufacturer Price Helical Gear Reduction Gearbox for Conveyor System   why helical gears are used in gearboxChina Professional Manufacturer Price Helical Gear Reduction Gearbox for Conveyor System   why helical gears are used in gearbox
editor by CX 2023-05-10

Helical Gear

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