Product Description
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SWL series worm screw jack
Worm Screw Jack
Screw-Worm Jack or screw lift lifts widely used in machine building, metallurgy, construction, irrigation equipment and other industries, is starting up, and dropped through accessories advance, overturned and position adjustment and other functions at various altitudes. SWL is a worm screw-lift crane components foundation with compact structure, small size and light weight. Sources extensive, no noise, easy installation, the use of flexible, multi-function, supporting forms, high reliability, long life and many other advantages. Can be single or in combination, can be controlled accurately in accordance with certain procedures to enhance or promote the adjustment of height Motor power can be used directly or can also be manually operated. It’s a form of structure and assembly, and the height can be customized user requirements
Product Description
Technical data:
1. Lift speed: 150mm/min~1800mm/min
2. Input power:0.5 -21.8KW
3. Screw rang: 5-16 mm
4. Bearing range: 2T-100T
5. Structure: motor direct connection, single & double shaft
Characteristic:
Standardize & series design
Reverse operation
Product Parameters
|
Type |
Model |
Screw thread size |
Max |
Max |
Weight without stroke |
Screw weight |
|
SWL Screw jack |
SWL2.5 |
Tr30*6 |
25 |
25 |
7.3 |
0.45 |
|
SWL5 |
Tr40*7 |
50 |
50 |
16.2 |
0.82 |
|
|
SWL10/15 |
Tr58*12 |
100/150 |
99 |
25 |
1.67 |
|
|
SWL20 |
Tr65*12 |
200 |
166 |
36 |
2.15 |
|
|
SWL25 |
Tr90*16 |
250 |
250 |
70.5 |
4.15 |
|
|
SWL35 |
Tr100*18 |
350 |
350 |
87 |
5.20 |
|
|
SWL50 |
Tr120*20 |
500 |
500 |
420 |
7.45 |
|
|
SWL100 |
Tr160*23 |
1000 |
1000 |
1571 |
13.6 |
|
|
SWL120 |
Tr180*25 |
1200 |
1200 |
1350 |
17.3 |
|
1.Compact structure,Small size.Easy mounting,varied types. Can be applied in 1 unit or multiple units. |
||||
|
2.High reliability.Long service life; With the function of ascending,descending,thrusting,overturning |
||||
|
3.Wide motivity.It can be drived by electrical motor and manual force. |
||||
|
4.It is usually used in low speed situation,widely used in the fields of |
Detailed Photos
|
1. screw rod |
2. nut bolt |
3. cover |
4.Skeleton oil seal |
5.Bearing |
|
6.Worm gear |
7.Oil filling hole |
8.Case |
9.Skeleton oil seal |
10.Cover |
|
11. nut bolt |
12.Bearing |
13.Skeleton oil seal |
14.Bearing |
15.worm |
|
16.Flat key |
17.Bearing |
18.Skeleton oil seal |
19.Cover |
20.Nut bolt |
Product Description
Packaging & Shipping
Company Profile
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| Standard or Nonstandard: | Nonstandard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Power Transmission |
| Customized Support: | OEM, ODM, Obm |
| Brand Name: | Beiji or Customized |
| Certificate: | ISO9001:2008 |
| Structures: | Worm Gear and Worm |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
Calculating Gear Ratio in a Worm Reducer
The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:
Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft
For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.
It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.
When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.
Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
- Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
- Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
- Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
- Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
- Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
Advantages of Using a Worm Reducer in Mechanical Systems
Worm reducers offer several advantages that make them suitable for various mechanical systems:
- High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
- Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
- Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
- Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
- High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
- Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
- Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.
Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.
editor by CX 2024-03-10