Tag Archives: worm gearboxes

China Marine Engine Gearbox High Pressure Water Pump Gearbox Gear Box Pumps Gearboxes Worm Gearbox Transmission Gear precision cycloidal gearbox

Product Description

Maritime motor gearbox Substantial stress water pump gearbox 

 

Basic Description

Dredger gearboxes are created with regard to harsh conditions and extended existence. Our dredger gearboxes are operated on small or mid-size dredgers appropriate for maintenance dredging or big-size dredging vessels ideal equipped for land reclamation and larger sand and gravel routine maintenance functions as nicely as other kinds of vessels these kinds of as cutter suction dredgers. Our pump generator gear units are developed in accordance to the customers’ specifications and offer you tailor-made transmission ratios and multi-phase concepts. Our solution portfolio includes gear units for jet pumps, dredge pumps, generators, cutters and winches. The gear units are developed to the customer’s requirements and RELONG’s in-property protection standards.

 

Characteristic

– Trustworthy
– Gearing that interlocks perfectly
– Reliable base and robust housing, designed for higher loads
– Slide bearings of the highest quality for upkeep-cost-free gear models
 

Parameter

 

 

RELONG Story

Relong Atmosphere Engineering Co., Ltd.  is situated in HangZhou City, ZheJiang Province. It is a company devoted to smart robots, ship style, drinking water transportation tools, marine h2o good quality and ecological atmosphere testing, salvage services industrial automated manage method units, radar and supporting tools, communication products, which is a large-tech enterprise integrating product sales and synthetic intelligence software growth, like consulting, layout,production,installation,and operation administration.

FAQ

  1.  Q: What are your manufacturing facility workshops?
    A: Our factory manufacturing approach contains casting, mechanical approach, lathe process, warmth treatment method, assembly, and take a look at, etc. Warmly welcome to visit & test my manufacturing unit any time.
  2.  Q: How does your manufacturing unit do relating to high quality control?
    A: “Quality is a priority. We always attach fantastic relevance to quality controlling from the beginning to the stop. Our manufacturing unit has fifteen~30 QC.
  3. Q: Is it effortless for consumers to change the components by them selves?
    A: Sure, the construction is straightforward, buyers can alter it extremely effortlessly. We will also supply you with routine maintenance tools for totally free
  4.  

US $1,000-4,000
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machinery, Marine
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Four-Step
US $1,000-4,000
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machinery, Marine
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Four-Step

The Advantages of Using a Cyclone Gearbox

Using a cycloidal gearbox to drive an input shaft is a very effective way to reduce the speed of a machine. It does this by reducing the speed of the input shaft by a predetermined ratio. It is capable of very high ratios in relatively small sizes.helical gearbox

Transmission ratio

Whether you’re building a marine propulsion system or a pump for the oil and gas industry, there are certain advantages to using cycloidal gearboxes. Compared to other gearbox types, they’re shorter and have better torque density. These gearboxes also offer the best weight and positioning accuracy.
The basic design of a cycloidal gearbox is similar to that of a planetary gearbox. The main difference is in the profile of the gear teeth.
Cycloid gears have less tooth flank wear and lower Hertzian contact stress. They also have lower friction and torsional stiffness. These advantages make them ideal for applications that involve heavy loads or high-speed drives. They’re also good for high gear ratios.
In a cycloidal gearbox, the input shaft drives an eccentric bearing, while the output shaft drives the cycloidal disc. The cycloidal disc rotates around a fixed ring, and the pins of the ring gear engage the holes in the disc. The pins then drive the output shaft as the disc rotates.
Cycloid gears are ideal for applications that require high gear ratios and low friction. They’re also good for applications that require high torsional stiffness and shock load resistance. They’re also suitable for applications that require a compact design and low backlash.
The transmission ratio of a cycloidal gearbox is determined by the number of lobes on the cycloidal disc. The n=n design of the cycloidal disc moves one lobe per revolution of the input shaft.
Cycloid gears can be manufactured to reduce the gear ratio from 30:1 to 300:1. These gears are suitable for high-end applications, especially in the automation industry. They also offer the best positioning accuracy and backlash. However, they require special manufacturing processes and require non-standard characteristics.

Compressive force

Compared with conventional gearboxes, the cycloidal gearbox has a unique set of kinematics. It has an eccentric bearing in a rotating frame, which drives the cycloidal disc. It is characterized by low backlash and torsional stiffness, which enables geared motion.
In this study, the effects of design parameters were investigated to develop the optimal design of a cycloidal reducer. Three main rolling nodes were studied: a cycloidal disc, an outer race and the input shaft. These were used to analyze the motion related dynamic forces, which can be used to calculate stresses and strains. The gear mesh frequency was calculated using a formula, which incorporated a correction factor for the rotating frame of the outer race.
A three-dimensional finite element analysis (FEA) study was conducted to evaluate the cycloidal disc. The effects of the size of the holes on the disc’s induced stresses were investigated. The study also looked at the torque ripple of a cycloidal drive.
The authors of this study also explored backlash distribution in the output mechanism, which took into account the machining deviations and structure and geometry of the output mechanism. The study also looked at the relative efficiency of a cycloidal reducer, which was based on a single disc cycloidal reducer with a one-tooth difference.
The authors of this study were able to deduce the contact stress of the cycloidal disc, which is calculated using the material-based contact stiffness. This can be used to determine accurate contact stresses in a cycloidal gearbox.
It is important to know the ratios needed for calculation of the bearing rate. This can be calculated using the formula f = k (S x R) where S is the volume of the element, R is the mass, k is the contact stiffness and f is the force vector.helical gearbox

Rotational direction

Unlike the conventional ring gear which has a single axis of rotation, cycloidal gearbox has three rotational axes which are parallel and are located in a single plane. A cycloidal gearbox has excellent torsional stiffness and shock load capacity. It also ensures constant angular velocity, and is used in high-speed gearbox applications.
A cycloidal gearbox consists of an input shaft, a drive member and a cycloidal disc. The disc rotates in one direction, while the input shaft rotates in the opposite direction. The input shaft eccentrically mounts to the drive member. The cycloidal disc meshes with the ring-gear housing, and the rotational motion of the cycloidal disc is transferred to the output shaft.
To calculate the rotational direction of a cycloidal gearbox, the cycloid must have the correct angular orientation and the centerline of the cycloid should be aligned with the center of the output hole. The cycloid’s shortest length should be equal to the radius of the pin circle. The cycloid’s largest radius should be the size of the bearing’s exterior diameter.
A single-stage gear will not have much space to work with, so you’ll need a multistage gear to maximize space. This is also the reason that cycloid gears are usually designed with a shortened cycloid.
To calculate the most efficient tooth profile for a cycloidal gear, a new method was devised. This method uses a mathematical model that uses the cycloid’s rotational direction and a few other geometric parameters. Using a piecewise function related to the distribution of pressure angle, the cycloid’s most efficient profile is determined. It is then superimposed on the theoretical profile. The new method is much more flexible than the conventional method, and can adapt to changing trends of the cycloidal profile.

Design

Several designs of cycloidal gearboxes have been developed. These gearboxes have a large reduction ratio in one stage. They are mainly used for heavy machines. They provide good torsional stiffness and shock load capacity. However, they also have vibrations at high RPM. Several studies have been conducted to find a solution to this problem.
A cycloidal gearbox is designed by calculating the reduction ratio of a mechanism. This ratio is obtained by the size of the input speed. This is then multiplied by the reduction ratio of the gear profile.
The most important factor in the design of a cycloidal gearbox is the load distribution along the width of the gear. Using this as a design criterion, the amplitude of vibration can be reduced. This will ensure that the gearbox is working properly. In order to generate proper mating conditions, the trochoidal profile on the cycloidal disc periphery must be defined accurately.
One of the most common forms of cycloidal gears is circular arc toothing. This is the most common type of toothing used today.
Another form of gear is the hypocycloid. This form requires the rolling circle diameter to be equal to half the base circle diameter. Another special case is the point tooth form. This form is also called clock toothing.
In order to make this gear profile work, the initial point of contact must remain fixed to the edge of the rolling disk. This will generate the hypocycloid curve. The curve is traced from this initial point.
To investigate this gear profile, the authors used a 3D finite element analysis. They used the mathematical model of gear manufacturing that included kinematics parameters, output moment calculations, and machining steps. The resulting design eliminated backlash.helical gearbox

Sizing and selection

Choosing a gearbox can be a complex task. There are many factors that need to be taken into account. You need to determine the type of application, the required speed, the load, and the ratio of the gearbox. By gaining this information, you can find a solution that works best for you.
The first thing you need to do is find the proper size. There are several sizing programs available to help you determine the best gearbox for your application. You can start by drawing a cycloidal gear to help you create the part.
During sizing, it is important to consider the environment. Shock loads, environmental conditions, and ambient temperatures can increase wear on the gear teeth. The temperature also has a significant impact on lubrication viscosities and seal materials.
You also need to consider the input and output speed. This is because the input speed will change your gearbox ratio calculations. If you exceed the input speed, you can damage the seals and cause premature wear on the shaft bearings.
Another important aspect of sizing is the service factor. This factor determines the amount of torque the gearbox can handle. The service factor can be as low as 1.4, which is sufficient for most industrial applications. However, high shock loads and impact loads will require higher service factors. Failure to account for these factors can lead to broken shafts and damaged bearings.
The output style is also important. You need to determine if you want a keyless or keyed hollow bore, as well as if you need an output flange. If you choose a keyless hollow bore, you will need to select a seal material that can withstand the higher temperatures.
China Marine Engine Gearbox High Pressure Water Pump Gearbox Gear Box Pumps Gearboxes Worm Gearbox Transmission Gear     precision cycloidal gearboxChina Marine Engine Gearbox High Pressure Water Pump Gearbox Gear Box Pumps Gearboxes Worm Gearbox Transmission Gear     precision cycloidal gearbox
editor by czh 2023-01-16

China Nmrv 25 30 40 50 60 75 90 110 130 150 Worm Transmission Gearboxes cycloidal gearbox assembly

Merchandise Description

 NMRV 130 150 Worm Pace Reducer Transmission Gearboxes

Attributes:
one) Aluminum alloy die-casted gearbox
two) Compact framework will save mounting space
three) Very exact
4) Operates forward and backward
5) High overload potential
6) Stable transmission with decreased vibration and noise

Qualities:

one. Large top quality aluminum alloy quadrate case .
two. Large effectiveness.
three. Modest measurement, compact constructure and light-weight weight.
4. Mixture of 2 solitary-stage worm equipment speed reducers, assembly the requirements of tremendous speed ratio.

Complex Data:

one. Enter power: .06kW-15kW
2. Output torque: 7.8-1195N.m
three. Pace ratio: (5-a hundred) 5, 7.5, ten, fifteen, 20, twenty five, thirty, 40, fifty, 60, 80, one hundred
4. Adapt for IEC, NEMA, SERVO
Supplies:
one. From RV25 up to RV105: Aluminium alloy housing.
2. From RV110 to RV150: Solid iron housing.
3. Seal: CZPT Seal from ZheJiang
4. Bearing :do-it-yourself Bearing
Color:
one. RAL5571
2. Blue
three. Silver
Good quality management:
1.Good quality assure: 1 12 months
2.Certificate of good quality: ISO9001:2008
three.Each product need to be examined just before packing

 

Standard Technical data:

Dimensions quantity:twenty five,30,40,50,sixty three,75,ninety,one hundred ten,130,150

Ratio:1/one hundred-1/5000

Shade:blue,silver,RAL5571 coloration
Material:housing -casting iron- HT200-250#/aluminum worm gear-KK alloy worm-20CrMnTi with carburizing and quenching,surface area hardness is fifty eight-62HRC shaft-chromium metal-forty five#
Packing: Interior pack: use plastic bag a Internal pack: use plastic bag and foam box, outer pack: carton or picket scenario 1set/bag/carton or dependent on customer’s requestbearing: CZPT & Selfmade bearing
Seal: CZPT seal from ZheJiang
Input electrical power: .25kw,.37kw,.55kw,.75kw,1.1kw,1.5kw,2.2kw,3.0kw,4.0kw,5.5kw,7.5kw
Lubricant:Artificial & Mineral
IEC flange:56B5,63B5,71B5,80B5,90B5,100B5,112B5,132B5
Output sort: solid shaft,hollow shaft bodyweight: .7-87.8KGSapplication: In industrial device:foodstuff Stuff,ceramics,chemical,packing,printing,dyeing,woodworking,glass and plastics
Guarantee:1 year


HangZhou CZPT Market Co., Ltd. is a specialized supplier of a entire range of chains, sprockets, gears, equipment racks, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.

Due to our sincerity in supplying ideal support to our consumers, understanding of your demands and overriding feeling of accountability toward filling ordering requirements, we have obtained the have faith in of buyers throughout the world. Getting gathered cherished experience in cooperating with overseas clients, our merchandise are offering properly in the American, European, South American and Asian markets. Our products are made by present day computerized equipment and gear. In the meantime, our merchandise are made in accordance to high top quality expectations, and complying with the worldwide superior standard conditions.

With a lot of years’ expertise in this line, we will be trusted by our rewards in competitive price, one-time supply, prompt reaction, on-hand engineering assistance and good following-sales services.

In addition, all our generation methods are in compliance with ISO9001 specifications. We also can layout and make non-regular goods to meet up with customers’ unique demands. Quality and credit rating are the bases that make a corporation alive. We will give greatest solutions and high quality items with all sincerity. If you want any data or samples, remember to make contact with us and you will have our shortly reply.

FAQ:
Q1: Are you buying and selling business or producer ?
A: We are factory.

Q2: How long is your shipping time and cargo?
1.Sample Lead-times: normally ten workdays.
2.Generation Direct-moments: twenty-forty workdays right after receiving your deposit.

Q3. What is your phrases of payment?
A: T/T 30% as deposit, and 70% prior to delivery.

This autumn: What is your advantages?
1. Manufacturer,the most competitive value and excellent high quality.
two. Perfect specialized engineers give you the ideal support.
3. OEM is offered.
four. Rich inventory and quick shipping.

Q5. If you are unable to uncover the merchandise on our website,what do you following?
You should send us inquiry with product photos and drawings by electronic mail or other techniques and we’ll check out.
 


 

 

US $10-60
/ Piece
|
10 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated|


Freight Cost Calculator

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Cycloidal

###

Samples:
US$ 120/Piece
1 Piece(Min.Order)

|

Order Sample

###

Customization:
US $10-60
/ Piece
|
10 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated|


Freight Cost Calculator

###

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Cycloidal

###

Samples:
US$ 120/Piece
1 Piece(Min.Order)

|

Order Sample

###

Customization:

Developing a Mathematical Model of a Cyclone Gearbox

Compared to planetary gearboxes, cycloidal gearboxes are often seen as the ideal choice for a wide range of applications. They feature compact designs that are often low friction and high reduction ratios.helical gearbox

Low friction

Developing a mathematical model of a cycloidal gearbox was a challenge. The model was able to show the effects of a variety of geometric parameters on contact stresses. It was able to model stiction in all quadrants. It was able to show a clear correlation between the results from simulation and real-world measurements.
The model is based on a new approach that enables modeling stiction in all quadrants of a gearbox. It is also able to display non-zero current at standstill. Combined with a good simulation algorithm, the model can be used to improve the dynamic behaviour of a controlled system.
A cycloidal gearbox is a compact actuator used for industrial automation. This type of gearbox provides high gear ratios, low wear, and good torsional stiffness. In addition, it has good shock load capacity.
The model is based on cycloidal discs that engage with pins on a stationary ring gear. The resulting friction function occurs when the rotor begins to rotate. It also occurs when the rotor reverses its rotation. The model has two curves, one for motor and one for generator mode.
The trochoidal profile on the cycloidal disc’s periphery is required for proper mating of the rotating parts. In addition, the profile should be defined accurately. This will allow an even distribution of contact forces.
The model was used to compare the relative performance of a cycloidal gearbox with that of an involute gearbox. This comparison indicates that the cycloidal gearbox can withstand more load than an involute gearbox. It is also able to last longer. It is also able to produce high gear ratios in a small space.
The model used is able to capture the exact geometry of the parts. It can also allow a better analysis of stresses.

Compact

Unlike helical gearing, compact cycloidal gearboxes can provide higher reduction ratios. They are more compact and less weighty. In addition, they provide better positioning accuracy.
Cycloid drives provide high torque and load capacity. They are also very efficient and robust. They are ideal for applications with heavy loads or shock loads. They also feature low backlash and high torsional stiffness. Cycloid gearboxes are available in a variety of designs.
Cycloid discs are mounted on an eccentric input shaft, which drives them around a stationary ring gear. The ring gear consists of many pins, and the cycloidal disc moves one lobe for every rotation of the input shaft. The output shaft contains roller pins, which rotate around holes in the cycloidal disc.
Cycloid drives are ideally suited to heavy loads and shock loads. They have high torsional stiffness and high reduction ratios, making them very efficient. Cycloid gearboxes have low backlash and high torque and are very compact.
Cycloid gearboxes are used for a wide variety of applications, including marine propulsion systems, CNC machining centers, medical technology, and manipulation robots. They are especially useful in applications with critical positioning accuracy, such as surgical positioning systems. Cycloid gearboxes feature extremely low hysteresis loss and low backlash over extended periods of use.
Cycloid discs are usually designed with a reduced cycloid diameter to minimize unbalance forces at high speeds. Cycloid drives also feature minimal backlash, a high reduction ratio, and excellent positioning accuracy. Cycloid gearboxes also have a long service life, compared to other gear drives. Cycloid drives are highly robust, and offer higher reduction ratios than helical gear drives.
Cycloid gearboxes have a low cost and are easy to print. CZPT gearboxes are available in a wide range of sizes and can produce high torque on the output axis.helical gearbox

High reduction ratio

Among the types of gearboxes available, a high reduction ratio cycloidal gearbox is a popular choice in the automation field. This gearbox is used in applications requiring precise output and high efficiency.
Cycloid gears can provide high torque and transmit it well. They have low friction and a small backlash. They are widely used in robotic joints. However, they require special tools to manufacture. Some have even been 3D printed.
A cycloidal gearbox is typically a three-stage structure that includes an input hub, an output hub, and two cycloidal gears that rotate around each other. The input hub mounts movable pins and rollers, while the output hub mounts a stationary ring gear.
The input shaft is driven by an eccentric bearing. The disc is then pushed against the ring gear, which causes it to rotate around the bearing. As the disc rotates, the pins on the ring gear drive the pins on the output shaft.
The input shaft rotates a maximum of nine revolutions, while the output shaft rotates three revolutions. This means that the input shaft has to rotate over eleven million times before the output shaft is able to rotate. The output shaft also rotates in the opposite direction of the input shaft.
In a two-stage differential cycloidal speed reducer, the input shaft uses a crank shaft design. The crank shaft connects the first and second cycloidal gears and actuates them simultaneously.
The first stage is a cycloidal disc, which is a gear tooth profile. It has n=7 lobes on its circumference. Each lobe moves around a reference pitch circle of pins. The disc then advances in 360deg steps.
The second stage is a cycloidal disc, also known as a “grinder gear”. The teeth on the outer gear are fewer than the teeth on the inner gear. This allows the gear to be geardown based on the number of teeth.

Kinematics

Various scholars have studied the kinematics of cycloidal gearbox. They have developed various approaches to modify the tooth profile of cycloidal gears. Some of these approaches involve changing the shape of the cycloidal disc, and changing the grinding wheel center position.
This paper describes a new approach to cycloid gear profile modification. It is based on a mathematical model and incorporates several important parameters such as pressure angle, backlash, and root clearance. The study offers a new way for modification design of cycloid gears in precision reducers for robots.
The pressure angle of a tooth profile is an intersegment angle between the normal direction and the velocity direction at a meshing point. The pressure angle distribution is important for determining force transmission performance of gear teeth in meshing. The distribution trend can be obtained by calculating the equation (5).
The mathematical model for modification of the tooth profile can be obtained by establishing the relationship between the pressure angle distribution and the modification function. The dependent variable is the modification DL and the independent variable is the pressure angle a.
The position of the reference point A is a major consideration in the modification design. It ensures the force transmission performance of the meshing segment is optimal. It is determined by the smallest profile pressure angle. The position is also dependent on the type of gear that is being modified. It is also influenced by the tooth backlash.
The mathematical model governing the pressure angle distribution is developed with DL=f(a). It is a piecewise function that determines the pressure angle distribution of a tooth profile. It can also be expressed as DL=ph.
The pressure angle of a tooth is also an angle between the common normal direction at the meshing point and the rotation velocity direction of the cycloid gear.helical gearbox

Planetary gearboxes vs cycloidal gearboxes

Generally, there are two types of gearboxes that are used for motion control applications: cycloidal gearbox and planetary gearbox. Cycloid gearboxes are used for high-frequency motions, while planetary gearboxes are suitable for low-speed applications. Both are highly accurate and precise gearboxes that are capable of handling heavy loads at high cycle rates. But they have different advantages and disadvantages. So, engineers need to determine which type of gearbox is best suited for their application.
Cycloid gearboxes are commonly used in industrial automation. They provide excellent performance with ratios as low as 10:1. They offer a more compact design, higher torque density and greater overload protection. They also require less space and are less expensive than planetary gearboxes.
On the other hand, planetary gearboxes are lightweight and offer a higher torque density. They are also capable of handling higher ratios. They have a longer life span and are more precise and durable. They can be found in a variety of styles, including square-framed, round-framed and double-frame designs. They offer a wide range of torque and speed capabilities and are used for numerous applications.
Cycloid gearboxes can be manufactured with different types of cycloidal cams, including single or compound cycloidal cams. Cycloid cams are cylindrical elements that have cam followers that rotate in an eccentric fashion. The cam followers act like teeth on the internal gear. Cycloid cams are a simple concept, but they have numerous advantages. They have a low backlash over extended periods of time, allowing for more accurate positioning. They also have internal compressive stresses and an overlap factor between the rolling elements.
Planetary gearboxes are characterized by three basic force-transmitting elements: ring gear, sun gear, and planet gear. They are generally two-stage gearboxes. The sun gear is attached to the input shaft, which in turn is attached to the servomotor. The ring gear turns the sun gear and the planet gear turns the output shaft.
China Nmrv 25 30 40 50 60 75 90 110 130 150 Worm Transmission Gearboxes     cycloidal gearbox assemblyChina Nmrv 25 30 40 50 60 75 90 110 130 150 Worm Transmission Gearboxes     cycloidal gearbox assembly
editor by czh 2023-01-02

China supplier High Torgue Aluminum Housing Worm Gear Speed Reducer Gearboxes RV 075 near me manufacturer

Merchandise Description

 
   

Technical data list: 

 
 

Workshop show

  

 FAQ

Q: Are you trading business or manufacturer ?

A: We are manufacturing unit.

Q: How prolonged is your supply time?

A: Typically it is 5-10 days if the merchandise are in inventory. or it is 15-twenty times if the products are not in inventory, it is according to amount.

Q: Do you offer samples ? is it free of charge or additional ?

A: Indeed, we could offer you the sample for cost-free charge but do not spend the expense of freight.

Q: What is your terms of payment ?

A: Payment thirty%TT in progress. 70% T/T ahead of shippment

 

Type: Worm Gear Speed Reducer
Model: NMRV025–150
Ratio: 1:7.5,10,15,20,25,30,40,50,60,80,100
Color: Blue/Silver Or On Customer Request
Material Housing: Blue-Coloured Cast-Iron
Worm Gear-Copper-10-3#
Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
Shaft-chromium steel-45#
Lubricant: Synthetic&Mineral
Bearing: C&U Bearing
Seal: NAK SKF
Warranty: -30-40°C
ICE FLANGE 80B5,90B5,100B5,112B5,132B5,160B5 
Rated power: 0.06KW,0.12KW,0.25KW,0.75KW,1.5KW,3KW,5.5KW,7.5KW
Application Metallurgical machinery, food machinery, stage machinery,
welding machinery, road machinery, amusement machines,
packaging machinery, Rubber and plastic machinery,
environmental protection machinery ,engineering machinery,
construction machinery, machine tool industry,
 automotive industry, logistics and transportation and so on

###

NMRV PAM N M P D
  ICE       5 7.5 10 15 20 25 30 40 50 60 80 100
25 56B14 50 65 80 9 9 9 9 9   9 9 9 9    
30 63B5 95 115 140 11 11 11 11 11 11 11 11 11      
63B14 60 75 90                        
56B5 80 100 120 9 9 9 9 9 9 9 9 9 9 9  
56B14 50 65 80                        
40 71B5 110 130 160 14 14 14 14 14 14 14 14        
71B14 70 85 105                        
63B5 95 115 140 11 11 11 11 11 11 11 11 11 11 11 11
63B14 60 75 90                        
56B5 80 100 120                 9 9 9 9
50 80B5 130 165 200 19 19 19 19 19 19 19          
80B14 80 100 120                        
71B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14  
71B14 70 85 105                        
63B5 95 115 140               11 11 11 11 11
63 90B5 130 165 200   24 24 24 24 24 24          
90B14 95 115 140                        
80B5 130 165 200   19 19 19 19 19 19 19 19 19    
80B14 80 100 120                        
71B5 110 130 160               14 14 14 14  14
71B14 70 85 105                        
75 100/112B5 180 215 250   28 28 28                
100/112B14 110 130 150                        
90B5 130 165 200   24 24 24 24 24 24 24        
90B14 95 115 140                        
80B5 130 165 200         19 19 19 19 19 19 19 19
80B14 80 100 120                        
71B5 110 130 160                 14 14 14 14
90 100/112B5 190 215 250   28 28 28 28 28 28          
100/112B14 110 130 160                        
90B5 130 165 200   24 24 24 24 24 24 24 24 24    
90B14 95 115 140                        
80B5 130 165 200               19 19 19 19 19
80B14 80 100 120                        
110 132B5 230 265 300   38 38 38 38              
100/112B5 180 215 250   28 28 28 28 28 28 28 28 28    
90B5 130 165 200           24 24 24 24 24 24 24
80B5 130 165 200                     19 19
130 132B5 230 265 300   38 38 38 38 38 38 38        
100/112B5 180 215 250           28 28 28 28 28 28 28
90B5 130 165 200                     24 24
150 160B5 250 300 350   42 42 42 42 42            
132B5 230 265 250         38 38 38 38 38 38    
100/112B5 180 215 200                 28 28 28 28
Type: Worm Gear Speed Reducer
Model: NMRV025–150
Ratio: 1:7.5,10,15,20,25,30,40,50,60,80,100
Color: Blue/Silver Or On Customer Request
Material Housing: Blue-Coloured Cast-Iron
Worm Gear-Copper-10-3#
Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
Shaft-chromium steel-45#
Lubricant: Synthetic&Mineral
Bearing: C&U Bearing
Seal: NAK SKF
Warranty: -30-40°C
ICE FLANGE 80B5,90B5,100B5,112B5,132B5,160B5 
Rated power: 0.06KW,0.12KW,0.25KW,0.75KW,1.5KW,3KW,5.5KW,7.5KW
Application Metallurgical machinery, food machinery, stage machinery,
welding machinery, road machinery, amusement machines,
packaging machinery, Rubber and plastic machinery,
environmental protection machinery ,engineering machinery,
construction machinery, machine tool industry,
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NMRV PAM N M P D
  ICE       5 7.5 10 15 20 25 30 40 50 60 80 100
25 56B14 50 65 80 9 9 9 9 9   9 9 9 9    
30 63B5 95 115 140 11 11 11 11 11 11 11 11 11      
63B14 60 75 90                        
56B5 80 100 120 9 9 9 9 9 9 9 9 9 9 9  
56B14 50 65 80                        
40 71B5 110 130 160 14 14 14 14 14 14 14 14        
71B14 70 85 105                        
63B5 95 115 140 11 11 11 11 11 11 11 11 11 11 11 11
63B14 60 75 90                        
56B5 80 100 120                 9 9 9 9
50 80B5 130 165 200 19 19 19 19 19 19 19          
80B14 80 100 120                        
71B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14  
71B14 70 85 105                        
63B5 95 115 140               11 11 11 11 11
63 90B5 130 165 200   24 24 24 24 24 24          
90B14 95 115 140                        
80B5 130 165 200   19 19 19 19 19 19 19 19 19    
80B14 80 100 120                        
71B5 110 130 160               14 14 14 14  14
71B14 70 85 105                        
75 100/112B5 180 215 250   28 28 28                
100/112B14 110 130 150                        
90B5 130 165 200   24 24 24 24 24 24 24        
90B14 95 115 140                        
80B5 130 165 200         19 19 19 19 19 19 19 19
80B14 80 100 120                        
71B5 110 130 160                 14 14 14 14
90 100/112B5 190 215 250   28 28 28 28 28 28          
100/112B14 110 130 160                        
90B5 130 165 200   24 24 24 24 24 24 24 24 24    
90B14 95 115 140                        
80B5 130 165 200               19 19 19 19 19
80B14 80 100 120                        
110 132B5 230 265 300   38 38 38 38              
100/112B5 180 215 250   28 28 28 28 28 28 28 28 28    
90B5 130 165 200           24 24 24 24 24 24 24
80B5 130 165 200                     19 19
130 132B5 230 265 300   38 38 38 38 38 38 38        
100/112B5 180 215 250           28 28 28 28 28 28 28
90B5 130 165 200                     24 24
150 160B5 250 300 350   42 42 42 42 42            
132B5 230 265 250         38 38 38 38 38 38    
100/112B5 180 215 200                 28 28 28 28

The Parts of a Gearbox

There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!
gearbox

Components

Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.
gearbox

Functions

A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.
gearbox

Maintenance

Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.