Solution Description
SHTDN Twin Screw Gearbox Characteristics.
— Large Velocity
—Triaxiality parallel style enhance B axis bearing capacity.
—Basic manufacture and handy assemply.Decrease the value.
—Modular framework layout attain 2 kinds of gearbox torque grade.
Twin Screw Gearbox Introduction
Twin Screw Gearbox adopting newest normal ISO1328,the precision of cylindrical gear of spherical involute, and combining our lengthy expression expertise and specialty of twin-screw extruders, SHTDN gearboxes are meticulously designed with best advanced planning tips in the globe for co-oriented rotating twin-screw extruders, with totally impartial Intellectual Residence Rights.
The gears are made of carburizing metal of large-toughness alloy of very good quality by carburizing and quenching for tooth, of which all the gear grinding procedures are completed by imported gear grinding machines. Gear parameters are optimized and specially designed for the qualities of twin screw extruders, reducing pressure concentration on root of gear and strengthening gear area conditions. We have enhanced equipment intension of flexural tiredness, fatigue energy and ratio of wide diameter. We have also adopted the newest developing notion and technology of heating remedy for the composition of gears, thereby ensured gears from uniformity of precision and energy.
SHTDN Substantial Torque Gearbox Info Table
SHTDN Gearbox Electricity&Torque Desk |
||||||||
Model |
CD(MM) |
Torque Grade(T/A3) |
RPM 300r/min |
RPM 400r/min |
RPM 500r/min |
RPM 600r/min |
RPM 800r/min |
RPM 900r/min |
SHTD20N |
eighteen |
<13 |
— |
— |
— |
seven.5kw |
11kw |
— |
SHTD25N |
22 |
<13 |
— |
— |
11kw |
15kw |
18.5kw |
22kw |
SHTD30N |
26 |
<13 |
— |
— |
— |
22kw |
30kw |
37kw |
SHTD35N |
thirty |
<13 |
eighteen.5kw |
22kw |
30kw |
37kw |
50kw |
60kw |
SHTD40N |
34.five |
<13 |
30kw |
45kw |
55kw |
65kw |
90kw |
90kw |
SHTD50N |
forty two |
<13 |
55kw |
75kw |
90kw |
110kw |
132kw |
160kw |
SHTD52N |
forty three |
<13 |
55kw |
75kw |
90kw |
110kw |
132kw |
160kw |
SHTD58N |
48 |
<13 |
90kw |
110kw |
132kw |
160kw |
220kw |
250kw |
SHTD65N |
fifty two |
<13 |
110kw |
132kw |
160kw |
220kw |
280kw |
315kw |
SHTD75N |
60 |
<13 |
160kw |
220kw |
250kw |
315kw |
450kw |
500kw |
SHTD85N |
67.8 |
<13 |
220kw |
315kw |
400kw |
500kw |
600kw |
650kw |
SHTD95N |
seventy eight |
<13 |
350kw |
450kw |
550kw |
650kw |
900kw |
1000kw |
SHTD110N |
92 |
<13 |
560kw |
710kw |
900kw |
1000kw |
— |
— |
SHTD125N |
100 |
<13 |
800kw |
1000kw |
1250kw |
1400kw |
— |
— |
SHTD135N |
one hundred ten |
<13 |
1000kw |
1400kw |
1600kw |
2000kw |
— |
— |
SHTD150N |
one hundred twenty |
<13 |
1320kw |
1750kw |
— |
— |
— |
— |
Generation Approach
Packing&Shipping and delivery
Packing Details: According to your order amount packaging,transport picket packing containers,air carton.
Shipping and delivery Details: 5-60days right after order.
1.Rust-evidence oil processing, Prevent rust in transit. |
two.Oiled paper offers, Prevent oil dry. |
three.Bubble wrap package deal, Prevent collosions. |
4.Special foam packaging. | five.Packing | six.Sealing |
Our Provider
24-hour Hotline
No make a difference when and in which to call we can discover our provider to you.
|
Pre-revenue Session
We have 5 income men and women on the internet, and whether or not you have any issue can be solved by means of on the internet communication,welcome your session. |
Right after-revenue Solutions
Get goods have any concerns about the item, can search for us,we will aid you offer with the the initial time,to your satisfaction. |
All ZT hold pay out attention to each and every stage of the details,We are looking CZPT to the forge in advance jointly with you!
|
FAQ
How extended does it get to get my goods given that I paid for them?
—In accordance to your order quantity,we will give you a reasonable supply day.
Can I get the guarantee of 1 year for free?
—If you require the guarantee,you need to pay for it.If not,do not worry ,we have self confidence in our items.
How is your following-sale support?
—You will get our assist in time as extended as you uncover something incorrect about our generates.Imagine us,you deserve the very best.
What equipment does the merchandise apply to?
—Twin Screw Extruder Equipment.
/ set | |
1 set (Min. Order) |
###
Standard: | DIN |
---|---|
Technics: | CNC |
Feature: | Disposable |
Material: | Iron |
Transport Package: | Wooden Case |
Specification: | 50 |
###
Customization: |
---|
###
SHTDN Gearbox Power&Torque Table
|
||||||||
Model
|
CD(MM)
|
Torque Grade(T/A3)
|
RPM 300r/min
|
RPM 400r/min
|
RPM 500r/min
|
RPM 600r/min
|
RPM 800r/min
|
RPM 900r/min
|
SHTD20N
|
18
|
<13
|
—
|
—
|
—
|
7.5kw
|
11kw
|
—
|
SHTD25N
|
22
|
<13
|
—
|
—
|
11kw
|
15kw
|
18.5kw
|
22kw
|
SHTD30N
|
26
|
<13
|
—
|
—
|
—
|
22kw
|
30kw
|
37kw
|
SHTD35N
|
30
|
<13
|
18.5kw
|
22kw
|
30kw
|
37kw
|
50kw
|
60kw
|
SHTD40N
|
34.5
|
<13
|
30kw
|
45kw
|
55kw
|
65kw
|
90kw
|
90kw
|
SHTD50N
|
42
|
<13
|
55kw
|
75kw
|
90kw
|
110kw
|
132kw
|
160kw
|
SHTD52N
|
43
|
<13
|
55kw
|
75kw
|
90kw
|
110kw
|
132kw
|
160kw
|
SHTD58N
|
48
|
<13
|
90kw
|
110kw
|
132kw
|
160kw
|
220kw
|
250kw
|
SHTD65N
|
52
|
<13
|
110kw
|
132kw
|
160kw
|
220kw
|
280kw
|
315kw
|
SHTD75N
|
60
|
<13
|
160kw
|
220kw
|
250kw
|
315kw
|
450kw
|
500kw
|
SHTD85N
|
67.8
|
<13
|
220kw
|
315kw
|
400kw
|
500kw
|
600kw
|
650kw
|
SHTD95N
|
78
|
<13
|
350kw
|
450kw
|
550kw
|
650kw
|
900kw
|
1000kw
|
SHTD110N
|
92
|
<13
|
560kw
|
710kw
|
900kw
|
1000kw
|
—
|
—
|
SHTD125N
|
100
|
<13
|
800kw
|
1000kw
|
1250kw
|
1400kw
|
—
|
—
|
SHTD135N
|
110
|
<13
|
1000kw
|
1400kw
|
1600kw
|
2000kw
|
—
|
—
|
SHTD150N
|
120
|
<13
|
1320kw
|
1750kw
|
—
|
—
|
—
|
—
|
###
![]() |
![]() |
![]() |
###
1.Rust-proof oil processing, Prevent rust in transit. |
2.Oiled paper packages, Prevent oil dry. |
3.Bubble wrap package, Prevent collosions. |
4.Special foam packaging. | 5.Packing | 6.Sealing |
###
24-hour Hotline
No matter when and where to call we can find our service to you.
|
Pre-sales Consultation
We have five sales people online, and whether you have any question can be solved through online communication,welcome your consultation. |
After-sales Services
Receive products have any questions about the product, can look for us,we will help you deal with the the first time,to your satisfaction. |
All ZT keep pay attention to every step of the details,We are looking forward to the forge ahead together with you!
|
/ set | |
1 set (Min. Order) |
###
Standard: | DIN |
---|---|
Technics: | CNC |
Feature: | Disposable |
Material: | Iron |
Transport Package: | Wooden Case |
Specification: | 50 |
###
Customization: |
---|
###
SHTDN Gearbox Power&Torque Table
|
||||||||
Model
|
CD(MM)
|
Torque Grade(T/A3)
|
RPM 300r/min
|
RPM 400r/min
|
RPM 500r/min
|
RPM 600r/min
|
RPM 800r/min
|
RPM 900r/min
|
SHTD20N
|
18
|
<13
|
—
|
—
|
—
|
7.5kw
|
11kw
|
—
|
SHTD25N
|
22
|
<13
|
—
|
—
|
11kw
|
15kw
|
18.5kw
|
22kw
|
SHTD30N
|
26
|
<13
|
—
|
—
|
—
|
22kw
|
30kw
|
37kw
|
SHTD35N
|
30
|
<13
|
18.5kw
|
22kw
|
30kw
|
37kw
|
50kw
|
60kw
|
SHTD40N
|
34.5
|
<13
|
30kw
|
45kw
|
55kw
|
65kw
|
90kw
|
90kw
|
SHTD50N
|
42
|
<13
|
55kw
|
75kw
|
90kw
|
110kw
|
132kw
|
160kw
|
SHTD52N
|
43
|
<13
|
55kw
|
75kw
|
90kw
|
110kw
|
132kw
|
160kw
|
SHTD58N
|
48
|
<13
|
90kw
|
110kw
|
132kw
|
160kw
|
220kw
|
250kw
|
SHTD65N
|
52
|
<13
|
110kw
|
132kw
|
160kw
|
220kw
|
280kw
|
315kw
|
SHTD75N
|
60
|
<13
|
160kw
|
220kw
|
250kw
|
315kw
|
450kw
|
500kw
|
SHTD85N
|
67.8
|
<13
|
220kw
|
315kw
|
400kw
|
500kw
|
600kw
|
650kw
|
SHTD95N
|
78
|
<13
|
350kw
|
450kw
|
550kw
|
650kw
|
900kw
|
1000kw
|
SHTD110N
|
92
|
<13
|
560kw
|
710kw
|
900kw
|
1000kw
|
—
|
—
|
SHTD125N
|
100
|
<13
|
800kw
|
1000kw
|
1250kw
|
1400kw
|
—
|
—
|
SHTD135N
|
110
|
<13
|
1000kw
|
1400kw
|
1600kw
|
2000kw
|
—
|
—
|
SHTD150N
|
120
|
<13
|
1320kw
|
1750kw
|
—
|
—
|
—
|
—
|
###
![]() |
![]() |
![]() |
###
1.Rust-proof oil processing, Prevent rust in transit. |
2.Oiled paper packages, Prevent oil dry. |
3.Bubble wrap package, Prevent collosions. |
4.Special foam packaging. | 5.Packing | 6.Sealing |
###
24-hour Hotline
No matter when and where to call we can find our service to you.
|
Pre-sales Consultation
We have five sales people online, and whether you have any question can be solved through online communication,welcome your consultation. |
After-sales Services
Receive products have any questions about the product, can look for us,we will help you deal with the the first time,to your satisfaction. |
All ZT keep pay attention to every step of the details,We are looking forward to the forge ahead together with you!
|
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 CX 2023-04-11