Product Description
SWL series skillful manufacture screw reducer:
1.Convenient to adjust
2.Wide range of ratio
3.Easy to install
4.high torque
Application Industries:
Our SWL series screw jacks are widely used in the industries such as metallurgy,mining,hoisting and transportation, electrical power,energy source,constrction and building material,light industry and traffice industry
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. |
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2.High reliability.Long service life; With the function of ascending,descending,thrusting,overturning |
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3.Wide motivity.It can be drived by electrical motor and manual force. |
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4.It is usually used in low speed situation,widely used in the fields of |
Detailed Photos
PRODUCT SPECIFICATIONS
SWL Series
Swl series worm screw lift is a kind of basic lifting component, which can lift, lower, propel, turn and other functions through the worm drive screw.
Screw jack can be widely used in machinery, metallurgy, construction, chemical, medical, cultural and health, and other industries. Can according to a certain procedure to accurately control the adjustment of the height of ascension or propulsion, can be directly driven by motor or other power, can also be manually. This series of worm screw lift can be self-locking, with the bearing capacity ranging from 2.5 tons to 120 tons, the maximum input speed of 1500 r/min, and the max lifting speed of 2.7 m/min.
Features:
1. Suitable for heavy load, low speed and low frequency;
2. Main components: precision trapezoid screw pair and high precision worm gear pair.
3. Compact design, small volume, light weight, wide drive sources, low noise, easy operation, convenient
maintenance.
4. The trapezoid screw has self-locking function, it can hold up load without braking device when screw stops traveling.
5. The lifting height can be adjusted according to customer requirements.
6. Widely applied in industries such as machinery, metellurgy, construction and hydraulic equipment.
7. Top End: top plate, clevis end, threaded end, plain end, forked head and rod end.
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
MODEL |
|
SWL2.5 |
SWL5 |
SWL10 |
SWL15 |
SWL20 |
SWL25 |
SWL35 |
Maximum lifting force (kN) |
|
25 |
50 |
100 |
150 |
200 |
250 |
350 |
Screw thread size |
|
Tr30*6 |
Tr40*7 |
Tr58*12 |
Tr58*12 |
Tr65*12 |
Tr90*16 |
Tr100*20 |
Maximum tension (kN) |
|
25 |
50 |
99 |
166 |
250 |
350 |
|
Worm gear ratio (mm) |
P |
1/6 |
1/8 |
3/23 |
1/8 |
3/32 |
3/32 |
|
|
M |
1/24 |
1/24 |
1/24 |
1/24 |
1/32 |
1/32 |
|
Worm non rotating stroke (mm) |
P |
1.0 |
0.875 |
1.565 |
1.56 |
1.5 |
1.875 |
|
M |
0.250 |
0.292 |
0.5 |
0.5 |
0.5 |
0.625 |
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Maximum elongation of screw rod under tensile load (mm) |
|
1500 |
2000 |
2500 |
3000 |
3500 |
4000 |
|
Maximum lifting height at maximum pressure load (mm) |
The head of the screw rod is not guided |
250 |
385 |
500 |
400 |
490 |
850 |
820 |
Lead screw head guide |
400 |
770 |
1000 |
800 |
980 |
1700 |
1640 |
|
Worm torque at full load(N.m) |
P |
18 |
39.5 |
119 |
179 |
240 |
366 |
464 |
M |
8.86 |
19.8 |
60 |
90 |
122 |
217 |
253 |
|
efficiency(%) |
P |
22 |
23 |
20.5 |
|
19.5 |
16 |
18 |
M |
11 |
11.5 |
13 |
|
12.8 |
9 |
11 |
|
Weight without stroke(kg) |
|
7.3 |
16.2 |
25 |
|
36 |
70.5 |
87 |
Weight of screw rod per 100mm(kg) |
|
0.45 |
0.82 |
1.67 |
|
2.15 |
4.15 |
5.20 |
SWL Worm Gear Screw Jack Mounting Dimensions
Standard or Nonstandard: | Nonstandard |
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Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Power Transmission |
Input Speed: | 8-360rpm |
Gear Material: | Low Carbon High Alloy Steel |
Gearing Arrangement: | Worm |
Mounting Position: | Horizontal (Foot Mounted) or Vertical (Flange Moun |
Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
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What is the lifespan of a typical worm gear?
The lifespan of a typical worm gear can vary depending on several factors, including the quality of materials, design, operating conditions, maintenance practices, and the specific application. Here’s a detailed explanation of the factors that influence the lifespan of a worm gear:
1. Quality of materials: The choice of materials used in the construction of the worm gear greatly impacts its lifespan. High-quality materials, such as hardened steel or bronze, offer better durability, wear resistance, and overall longevity compared to lower-quality materials. The selection of appropriate materials based on the application requirements is crucial for achieving a longer lifespan.
2. Design considerations: The design of the worm gear, including factors such as tooth profile, size, and load distribution, can influence its lifespan. Well-designed worm gears with optimized tooth geometry and proper load-carrying capacity tend to have longer lifespans. Additionally, features like lubrication systems and anti-backlash mechanisms can also contribute to improved durability and extended lifespan.
3. Operating conditions: The operating conditions under which the worm gear operates play a significant role in determining its lifespan. Factors such as load magnitude, speed, temperature, and environmental conditions can affect the wear and fatigue characteristics of the gear. Properly matching the worm gear to the application requirements and ensuring that it operates within specified limits can help prolong its lifespan.
4. Maintenance practices: Regular maintenance and proper lubrication are essential for maximizing the lifespan of a worm gear. Adequate lubrication helps reduce friction, wear, and heat generation, thereby extending the gear’s life. Regular inspections, lubricant replenishment, and timely replacement of worn or damaged components are important maintenance practices that can positively impact the lifespan of the worm gear.
5. Application-specific factors: The specific application in which the worm gear is used can also influence its lifespan. Factors such as operating cycles, torque levels, shock loads, and duty cycles vary between applications and can impact the wear and fatigue experienced by the gear. Understanding the unique requirements and demands of the application and selecting a worm gear that is appropriately rated and designed for those conditions can contribute to a longer lifespan.
Given the variations in materials, designs, operating conditions, and maintenance practices, it is challenging to provide a specific lifespan for a typical worm gear. However, with proper selection, installation, and maintenance, worm gears can have a lifespan ranging from several years to decades, depending on the factors mentioned above.
It is worth noting that monitoring the performance of the worm gear through regular inspections and addressing any signs of wear, damage, or excessive backlash can help identify potential issues early and extend the gear’s lifespan. Additionally, following the manufacturer’s guidelines and recommendations regarding maintenance intervals, lubrication types, and operating limits can significantly contribute to maximizing the lifespan of a worm gear.
What are the environmental considerations when using worm gears?
When using worm gears, there are several environmental considerations to keep in mind. Here’s a detailed explanation of these considerations:
- Lubrication: Proper lubrication is essential for the efficient and reliable operation of worm gears. Lubricants help reduce friction and wear between the gear teeth, resulting in improved efficiency and extended gear life. When selecting lubricants, it is important to consider their environmental impact. Environmentally friendly lubricants, such as biodegradable or synthetic lubricants with low toxicity, can be used to minimize the potential harm to the environment in case of leakage or accidental spills.
- Leakage and contamination: Worm gear systems are susceptible to lubricant leakage, which can cause environmental pollution. It is important to ensure that the gear housing is properly sealed to prevent lubricant leakage into the environment. Regular inspections and maintenance should be carried out to detect and repair any leaks promptly. Additionally, measures should be taken to prevent contaminants such as dust, dirt, and water from entering the gear system, as they can degrade the lubricant and affect the gear performance.
- Energy efficiency: Worm gears, like any mechanical power transmission system, consume energy during operation. It is important to consider energy efficiency when selecting and designing worm gear systems. Optimal gear design, proper gear selection, and efficient lubrication practices can contribute to reducing energy consumption and minimizing the environmental impact associated with energy use.
- Noise and vibration: Worm gears can generate noise and vibration during operation. Excessive noise can contribute to noise pollution, while high vibration levels can impact the surrounding equipment and structures. To mitigate these effects, it is important to design and manufacture worm gears with low noise and vibration characteristics. This can involve careful gear design, proper lubrication, and the use of vibration-damping materials or mechanisms.
- End-of-life considerations: At the end of their service life, worm gear components may need to be replaced or recycled. Disposal of worn-out gears should be done in accordance with applicable environmental regulations. Whenever possible, recycling or reusing gear components can help reduce waste and minimize the environmental impact associated with the disposal of gear materials.
- Environmental regulations: Compliance with environmental regulations and standards is crucial when using worm gears. Different regions may have specific regulations governing the use and disposal of lubricants, materials, and manufacturing processes associated with gear systems. It is important to stay informed about these regulations and ensure compliance to avoid any adverse environmental impact and legal consequences.
By considering these environmental factors, it is possible to minimize the ecological footprint of worm gear systems and promote sustainable practices in their use and maintenance. This includes selecting environmentally friendly lubricants, implementing proper sealing and maintenance procedures, optimizing energy efficiency, and adhering to relevant environmental regulations.
What is the purpose of a self-locking feature in a worm gear?
A self-locking feature in a worm gear serves the purpose of preventing reverse motion or backdriving of the gear system. When a worm gear is self-locking, it means that the worm can rotate the worm wheel, but the reverse action is hindered or restricted, providing a mechanical holding or braking capability. This self-locking feature offers several advantages and is utilized in various applications. Here are the key purposes of the self-locking feature:
- Mechanical Holding: The self-locking capability of a worm gear allows it to hold a specific position or prevent unintended movement when the worm is not actively driving the system. This is particularly useful in applications where it is necessary to maintain a fixed position or prevent the gear from rotating due to external forces or vibrations. Examples include elevators, lifts, and positioning systems.
- Backdriving Prevention: The self-locking feature prevents the worm wheel from driving the worm in the reverse direction. This is advantageous in applications where it is crucial to prevent a load or external force from causing the gear to rotate backward. For instance, in a lifting mechanism, the self-locking feature ensures that the load remains suspended without requiring continuous power input.
- Enhanced Safety: The self-locking property of a worm gear contributes to safety in certain applications. By preventing unintended or undesired motion, it helps maintain stability and reduces the risk of accidents or uncontrolled movement. This is particularly important in scenarios where human safety or the integrity of the system is at stake, such as in heavy machinery or critical infrastructure.
It’s important to note that not all worm gears are self-locking. The self-locking characteristic depends on the design parameters, specifically the helix angle of the worm’s thread. A higher helix angle increases the self-locking tendency, while a lower helix angle reduces or eliminates the self-locking effect. Therefore, when selecting a worm gear for an application that requires the self-locking feature, it is essential to consider the specific design parameters and ensure that the gear meets the necessary requirements.
editor by CX 2023-09-04