China factory Aluminum Nmrv Worm Gearbox Same Type Hypoid Helical Gearbox for Foodstaff Industry helical cone 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:

GEARBOX SELECTING TABLES    
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

Logistics

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.

FAQ

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
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Input Structure: IEC Input Flange
Output Shaft: Hollow Shaft
Samples:
US$ 45/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

helical gearbox

Helical Gearbox

Using a helical gearbox can greatly improve the accuracy of a machine and reduce the effects of vibration and shaft axis impact. A gearbox is a circular machine part that has teeth that mesh with other teeth. The teeth are cut or inserted and are designed to transmit speed and torque.

Sliding

Among the many types of gearboxes, the helical gearbox is the most commonly used gearbox. This is because the helical gearbox has a sliding contact. The contact between two gear teeth begins at the beginning of one tooth and progresses to line contact as the gear rotates.
Helical gears are cylindrical gears with teeth cut at an angle to the axis. This angle enables helical gears to capture the velocity reversal at the pitch line due to the sliding friction. This leads to a much smoother motion and less wear. Moreover, the helical gearbox is more durable and quieter than other gearboxes.
Helical gears are divided into two categories. The first group comprises of crossed-axis helical gears, commonly used in automobile engine distributor/oil pump shafts. The second group comprises of zero-helix-angle gears, which do not produce axial forces. However, they do create heat, which causes loss of efficiency.
The helical gearbox configuration is often confounded, which results in higher working costs. In addition, the helical gearbox configuration does not have the same torque/$ ratio as zero-helix angle planetary gears.
When designing gears, it is important to consider the effects of gear sliding. Sliding can lead to friction, which can cause loss of power transmission. It also leads to uneven load distribution, which decreases the loadability of the helical planetary gearbox.
In addition, the mesh stiffness of helical gears is commonly ignored by researchers. An analytical model for the mesh stiffness of helical gears has been proposed.

Axial thrust forces

Several options are available for axial thrust forces in helical gearboxes. The most obvious is to use a double helical gear to offset the force component. Another option is to use a thrust bearing with a lower load carrying capacity. This becomes a sacrificial component.
In order to transmit a force, it must be distributed along the contact line. This force is the sum of tangential, radial and axial force components. All these components must be transferred from the source to the output. This is a complex process that involves the use of gears.
The axial force component must be transferred through the gears. The resultant force is then divided into orthogonal components and divided into the thrust directions. The radial force component is from the contact point to the driven gear center.
The axial force component is also determined by the size of the gear’s pitch diameter. A larger pitch diameter results in a greater bearing moment. Similarly, a larger gear ratio will produce a higher torque transmission.
It should be noted that the axial force component is only a small part of the total force. The normal force is distributed along the contact line.
The double helical gear is also not a perfect duplicate of the herringbone gear. It has two equal halves. It is used interchangeably with the herringbone gear. It also has the same helix angle.helical gearbox

Reduced impact on the shaft axis

Increasing the helix angle of a gear pair will reduce resonance effects on the shaft axis of a helical gearbox. However, this will not reduce the overall vibration in the gearbox. In fact, it will increase the vibration. This can lead to serious fatigue faults in the drive train.
This is because the helix angle has an effect on the contact line between two teeth. As the helix angle increases, the length of the contact line decreases. In addition, it has an effect on the normal force and curvature radii of the teeth. The pressure angle also affects the curvature radii.
Helical gears have several advantages over spur gears. These advantages include: lower vibration, NVH (noise, vibration and harshness) characteristics, and smooth operation under heavy loads. They also have better torque capability. However, they produce higher friction. They also require unique approaches to control their thrust forces.
The first step in reducing resonance effects is to regulate the meshing frequency of the helical gear stage. This can be done by varying the shift factors in the gear. If the shift factors are too large, then the gear will experience resonance effects. The helix angle is also affected by the gear’s shift factors. It is therefore important to control the gear’s geometry in order to reduce the resonance effects.
Next, the effects of the web structure and rim thickness on the root stress of the gear are examined. These are measured by strain gage. The results indicate that the maximum root stress is obtained when the worst meshing position is reached.

Quieter operation

Compared to spur gears, helical gears are much quieter in operation. This is due to their larger teeth. Aside from this, they have a higher load-carrying capacity. They also run smoother and have a higher speed capability. Helical gears are also a good substitute for spur gears.
The most significant parameter relating to noise reduction is the gear contact ratio. It ranges from below 1 to more than 10 and is determined by the number of teeth intersecting a parallel shaft line at the pith circle. It is also a good indicator of the level of noise reduction that helical gears provide.
In addition, helical gears have a lower impulse flexure than spur gears. This is because the contact point slides along the helical surface of each tooth. This also adds internal damping to the gear system.
While helical gears are less noisy than spur gears, they do have a high level of wear and tear. This can affect the performance of the gear. However, it is possible to improve the smoothness of the tooth surface by grinding. In addition, running the gears in oil can also help improve the smoothness of the tooth surface.
There are many industries that use helical gears. For example, the automotive industry uses them in their transmissions. They also are used in the agricultural industry. They are often used in heavy trucks.
Helical gears are also known to generate less heat and are quieter than other gears. They can also deliver parallel power transfers between parallel or non-parallel shafts.

Improved accuracy

Increasing the accuracy of a helical gearbox is the key to its operation and reliability. The accuracy of the gearbox is dependent on several features. Among the most important are the profile and lead. Moreover, the power requirements of a gear drive should be taken into consideration.
The profile is the most sensitive feature of a helical gear. If the profile is not symmetric, the gear will run with a noisy spur gear. In addition, the profile is also the most sensitive to lead.
A helical gearbox plays a key role in the power transmission of industrial applications. However, the heavy duty operating conditions make it susceptible to a variety of faults.
A helical gearbox’s performance depends on the accuracy of the individual gears. This is accomplished by minimizing the backlash. A common way to reduce backlash is to approach all target positions from a common direction. This approach also reduces transmission noise.
The accuracy of a helical gearbox can be improved by using a flexible electronic gearbox. This can reduce the degree of twist. Moreover, it can increase the accuracy of gear machining.
A helical gearbox with an electronic gearbox can increase the accuracy of twist compensation. It can also improve the linkage between B-axis, C-axis, and Z-axis. Moreover, the electronic gearbox will ensure the linkage relationship between Y-axis, Z-axis, and C-axis.
The accuracy of a helical Gearbox can be improved by calculating the position error of the gear train. Pitch deviation and helix angle deviation are two types of position error.helical gearbox

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China factory Aluminum Nmrv Worm Gearbox Same Type Hypoid Helical Gearbox for Foodstaff Industry   helical cone gearboxChina factory Aluminum Nmrv Worm Gearbox Same Type Hypoid Helical Gearbox for Foodstaff Industry   helical cone gearbox
editor by CX 2023-05-15

Helical Gearbox

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

Please get in touch with us for details.

Manufacturer supplier exporter of the helical gearbox.

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