Solution Description
Item Description
Approach for model chose
You should comprehend the adhering to at first in buy to select the product of NMRV pace reducer properly:
– Loading issue.
– Pace scope or ratio in software.
– Doing work problem and atmosphere.
– Installation room.
Define operating situation Coefficient K1 and revise coefficient K2.
– Make certain machinery load sorts A, B, C in accordance to desk 1.
– Get the working problem coefficient K1 from diagram 1 according to turning time (hour/day) and start
frequency (time/hour).
– Inspect operating issue and choose coefficient K2 from table 2.
Table 1 Equipment Load classification choice
Using situation | Instance | Load kind |
Uniform load | Express band (uniform conveying) | A(Uniform load) |
Reasonable Load | Velocity changed conveying | B(Reasonable load) |
Extreme Load | Compressor, pulverizer, and so forth | C(Extreme load) |
Desk 2 Operating condition coefficient K2
Ambient temperature | Doing work condtion coefficient K2 |
-10C~30C | one |
30C-40C | one.1~1.2 |
Item Parameters
NMRV worm gear motor
Design | RV Model | RV Properties | Motor Model | Motor Properties | Focus |
RV075 with 2.2KW | NMRV075 | L:198.5 | two.2KW | Y100 | Want to establish hollow or strong |
RV090 with 2.2KW | NMRV090 | L:232.5 | two.2KW | Y100 | |
RV063 with 1.5KW | NMRV063 | L:167 | one.5KW | Y90L | |
RV075 with 1.5KW | NMRV075 | L:198.5 | one.5KW | Y90L | |
RV090 with 1.5KW | NMRV090 | L:232.5 | one.5KW | Y90L | |
RV063 with 1.1KW | NMRV063 | L:167 | one.1KW | Y90S | |
RV075 with 1.1KW | NMRV075 | L:198.5 | 1.1KW | Y90S | |
RV090 with 1.1KW | NMRV090 | L:232.5 | one.1KW | Y90S | |
RV050 with .75KW | NMRV050 | L:140 | .75KW | Y80 | |
RV063 with .75KW | NMRV063 | L:167 | .75KW | Y80 | |
RV075 with .75KW | NMRV075 | L:198.5 | .75KW | Y80 | |
RV090 with .75KW | NMRV090 | L:232.5 | .75KW | Y80 |
Certifications
Organization Profile
HangZhou Welldone Transmission Equipment Co., Ltd. specializes in production different sorts of tiny and medium-sized products, Three period asynchronous motor, this sort of as DC motor, AC motor, reducer, planetary reducer, servo reducer, etc. We have skilled gear tester (gear all-round inspection), CZPT hardness tester, Rockwell hardness tester (examination hardness once more to make sure use resistance), radial runout detection (detect motor operating in and harmony, so that the motor can minimize put on and no noise during high-velocity operation), face up to voltage tester (detect leakage, higher than normal voltage, no leakage), inter turn tester, surge take a look at motor stator winding flip to switch insulation, thickened coil, same electrical power torque output, torque is increased.
The “Welldone” equipment reducer made by our business sells well in provinces, municipalities and autonomous locations of the country. It is broadly used in metallurgy, mining, lifting, transportation, petroleum, chemical, textile, pharmaceutical, foodstuff, gentle industry, grain, oil, feed and other industries, and is deeply trustworthy by customers.
Welcome new and previous customers to pay a visit to and information.
FAQ
Q: How to choose a ideal motor or gearbox?
A: If you have motor images or drawings to show us, or you have comprehensive specifications, such as, voltage, pace, torque, motor dimension, functioning mode of the motor, necessary life time and noise stage etc, please do not be reluctant to permit us know, then we can suggest ideal motor for every your ask for appropriately.
Q: Do you have a personalized service for your normal motors or gearboxes?
A: Indeed, we can personalize per your request for the voltage, pace, torque and shaft measurement.
Q: What is actually your direct time?
A: Usually talking, our regular regular merchandise will want 2-7days, a little bit lengthier for tailored goods. It will depend on the particular orders.
Click on right here for deep communication.
Main Items
US $12-52 / Piece | |
1 Piece (Min. Order) |
###
Application: | Motor, Machinery, Marine |
---|---|
Function: | Speed Changing, Speed Reduction, Speed Increase |
Layout: | Cycloidal |
Hardness: | Hardened Tooth Surface |
Installation: | Torque Arm Type |
Step: | Single-Step |
###
Customization: |
Available
|
---|
###
Using situation | Example | Load type |
Uniform load | Convey band (uniform conveying) | A(Uniform load) |
Moderate Load | Speed changed conveying | B(Moderate load) |
Severe Load | Compressor, pulverizer, etc | C(Severe load) |
###
Ambient temperature | Working condtion coefficient K2 |
-10C~30C | 1 |
30C-40C | 1.1~1.2 |
###
Model | RV Model | RV Properties | Motor Model | Motor Properties | Attention |
RV075 with 2.2KW | NMRV075 | L:198.5 | 2.2KW | Y100 | Need to determine hollow or solid |
RV090 with 2.2KW | NMRV090 | L:232.5 | 2.2KW | Y100 | |
RV063 with 1.5KW | NMRV063 | L:167 | 1.5KW | Y90L | |
RV075 with 1.5KW | NMRV075 | L:198.5 | 1.5KW | Y90L | |
RV090 with 1.5KW | NMRV090 | L:232.5 | 1.5KW | Y90L | |
RV063 with 1.1KW | NMRV063 | L:167 | 1.1KW | Y90S | |
RV075 with 1.1KW | NMRV075 | L:198.5 | 1.1KW | Y90S | |
RV090 with 1.1KW | NMRV090 | L:232.5 | 1.1KW | Y90S | |
RV050 with 0.75KW | NMRV050 | L:140 | 0.75KW | Y80 | |
RV063 with 0.75KW | NMRV063 | L:167 | 0.75KW | Y80 | |
RV075 with 0.75KW | NMRV075 | L:198.5 | 0.75KW | Y80 | |
RV090 with 0.75KW | NMRV090 | L:232.5 | 0.75KW | Y80 |
US $12-52 / Piece | |
1 Piece (Min. Order) |
###
Application: | Motor, Machinery, Marine |
---|---|
Function: | Speed Changing, Speed Reduction, Speed Increase |
Layout: | Cycloidal |
Hardness: | Hardened Tooth Surface |
Installation: | Torque Arm Type |
Step: | Single-Step |
###
Customization: |
Available
|
---|
###
Using situation | Example | Load type |
Uniform load | Convey band (uniform conveying) | A(Uniform load) |
Moderate Load | Speed changed conveying | B(Moderate load) |
Severe Load | Compressor, pulverizer, etc | C(Severe load) |
###
Ambient temperature | Working condtion coefficient K2 |
-10C~30C | 1 |
30C-40C | 1.1~1.2 |
###
Model | RV Model | RV Properties | Motor Model | Motor Properties | Attention |
RV075 with 2.2KW | NMRV075 | L:198.5 | 2.2KW | Y100 | Need to determine hollow or solid |
RV090 with 2.2KW | NMRV090 | L:232.5 | 2.2KW | Y100 | |
RV063 with 1.5KW | NMRV063 | L:167 | 1.5KW | Y90L | |
RV075 with 1.5KW | NMRV075 | L:198.5 | 1.5KW | Y90L | |
RV090 with 1.5KW | NMRV090 | L:232.5 | 1.5KW | Y90L | |
RV063 with 1.1KW | NMRV063 | L:167 | 1.1KW | Y90S | |
RV075 with 1.1KW | NMRV075 | L:198.5 | 1.1KW | Y90S | |
RV090 with 1.1KW | NMRV090 | L:232.5 | 1.1KW | Y90S | |
RV050 with 0.75KW | NMRV050 | L:140 | 0.75KW | Y80 | |
RV063 with 0.75KW | NMRV063 | L:167 | 0.75KW | Y80 | |
RV075 with 0.75KW | NMRV075 | L:198.5 | 0.75KW | Y80 | |
RV090 with 0.75KW | NMRV090 | L:232.5 | 0.75KW | Y80 |
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!
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.
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.
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.
editor by czh 2022-12-01