China factory Factory Supply OEM Custom High Quality Swl Series Worm Gear Mechanical Screw Jack in China bevel gearbox

Product Description

 

Top Quality Worm Gear Screw Jacks Load Up to 200 Ton

Machine& Ball Screw Jack Actuators

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

How to choose a suitable model?

Some questions can help you to choose.

Q1:Do you need screw jack of ball screw or trapezoidal screw?

Q2: How many Kg or Tons the screw jack need to lift or drop? The screw shaft length? How fast the lifting speed is ? Q3:Which the screw top?you need,as picture above?

Q4:Manual type (Hand wheel?driven) or electric motor driven type or both driven type?

 

Q5:Traveling screw (screw travelling up and down when working) or traveling nut ? (the nut travelling up and down when working),Upright or?Inverted?

Product Parameters

Type

Model

Screw thread size

Max
lifting strength
kN

Max
pull force
kN

Weight without stroke
kg

Screw weight
per 100mm

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
metallurgy,mechanical,construction,chemical,irrigation works,mediat treatment.

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

 

Company Profile

 

Standard or Nonstandard: Nonstandard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Power Transmission
Product Name: Swl Series Worm Gear Lift
Input Speed: 0-1440rpm
Ratio: 6-36
Applicable Industries: Hotels, Manufacturing Plant, Food & Beverage Facto
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

worm gear

How do you maintain and service a worm gear?

Maintaining and servicing a worm gear is essential to ensure its optimal performance, reliability, and longevity. Regular maintenance helps identify and address potential issues before they escalate, minimizes wear, and extends the lifespan of the gear system. Here are some key steps involved in maintaining and servicing a worm gear:

  • Inspection: Conduct routine visual inspections of the worm gear system to check for any signs of wear, damage, or misalignment. Inspect the gear teeth, bearings, housings, and lubrication system. Look for indications of excessive wear, pitting, chipping, or abnormal noise during operation.
  • Lubrication: Ensure that the worm gear system is properly lubricated according to the manufacturer’s recommendations. Regularly check the lubricant levels, cleanliness, and viscosity. Monitor and maintain the lubrication system, including oil reservoirs, filters, and seals. Replace the lubricant at recommended intervals or if it becomes contaminated or degraded.
  • Tighten fasteners: Over time, vibrations and operational forces can cause fasteners to loosen. Regularly check and tighten any bolts, screws, or clamps associated with the worm gear system. Be cautious not to overtighten, as it may lead to distortion or damage to the gear components.
  • Alignment: Check the alignment of the worm gear system periodically. Misalignment can cause excessive wear, increased friction, and reduced efficiency. Adjust and realign the gears if necessary to ensure proper meshing and minimize backlash.
  • Cleaning: Keep the worm gear system clean and free from debris, dirt, or contaminants. Regularly remove any accumulated dirt or particles that may affect the gear performance. Use appropriate cleaning methods and solvents that are compatible with the gear materials.
  • Load monitoring: Monitor the load conditions of the worm gear system. Ensure that the gear is not operating beyond its rated capacity or encountering excessive shock loads. If needed, consider implementing load monitoring devices or systems to prevent overloading and protect the gear system.
  • Periodic inspection and testing: Schedule periodic comprehensive inspections and functional testing of the worm gear system. This may involve disassembling components, checking for wear, measuring gear backlash, and evaluating overall performance. Identify and address any issues promptly to prevent further damage or failure.
  • Professional servicing: For complex or critical applications, it may be beneficial to involve a professional service provider or gear specialist for more extensive maintenance or repairs. They can offer expertise in diagnosing issues, performing advanced inspections, and conducting specialized repairs or replacements.

It’s important to follow the manufacturer’s recommendations and guidelines for maintaining and servicing the specific worm gear system. Adhering to proper maintenance practices helps ensure the gear’s optimal performance, reduces the risk of unexpected failures, and maximizes its operational lifespan.

worm gear

Can worm gears be used in automotive applications?

Yes, worm gears can be used in certain automotive applications. Here’s a detailed explanation of their use in the automotive industry:

1. Steering Systems: Worm gears are commonly used in automotive steering systems, particularly in older vehicles. They can provide the necessary torque and precision for steering control. The self-locking feature of worm gears is advantageous in steering applications as it helps maintain the desired steering position even when external forces are applied. However, it’s important to note that many modern vehicles have transitioned to other steering mechanisms such as rack and pinion for improved efficiency and performance.

2. Window Regulators: Worm gears can be found in power window regulator systems in some vehicles. They help convert rotational motion into linear motion, allowing for the smooth and controlled movement of windows. Worm gears in window regulators are often paired with a mechanical linkage system to distribute the motion to multiple windows.

3. Convertible Top Mechanisms: In convertible vehicles, worm gears can be utilized in the mechanisms that raise and lower the convertible top. The high torque capabilities of worm gears make them suitable for these applications, as they can effectively handle the load of the top and ensure smooth and reliable operation.

4. Accessory Drives: Worm gears can be employed in accessory drives within the automotive engine compartment. They can be used to transfer power from the engine to various accessories such as water pumps, fuel pumps, and air compressors. However, it’s important to note that other power transmission mechanisms such as belts and pulleys or gear drives are more commonly used in modern automotive accessory drive systems due to their higher efficiency and compact design.

5. Limited-Slip Differentials: Worm gears can be incorporated into limited-slip differentials in some automotive applications. Limited-slip differentials distribute torque between the wheels to improve traction and stability. Worm gears can provide the necessary torque multiplication and torque biasing capabilities required for limited-slip differentials.

While worm gears can be found in these automotive applications, it’s important to consider that other power transmission mechanisms such as spur gears, bevel gears, and belt drives are more commonly used in modern automotive designs. These alternatives often offer higher efficiency, compactness, and better performance characteristics for automotive applications. Additionally, advancements in technology and the pursuit of lightweight and efficient designs have led to the adoption of alternative power transmission systems in many automotive applications.

Overall, while worm gears have a place in certain automotive applications, their use is more limited compared to other power transmission mechanisms commonly employed in the automotive industry.

worm gear

How does a worm gear differ from other types of gears?

A worm gear differs from other types of gears in several ways. Here are the key differences:

  1. Gear Configuration: A worm gear consists of a threaded worm and a mating gear, known as the worm wheel or worm gear. The worm has a helical thread that meshes with the teeth of the worm wheel. In contrast, other types of gears, such as spur gears, bevel gears, and helical gears, have parallel or intersecting axes of rotation.
  2. Gear Ratio: Worm gears provide high gear reduction ratios compared to other types of gears. The ratio is determined by the number of teeth on the worm wheel and the number of threads on the worm. This high reduction ratio allows worm gears to transmit more torque while maintaining a compact size.
  3. Direction of Rotation: In a worm gear system, the worm can drive the worm wheel, but the reverse is not true. This is due to the self-locking nature of worm gears. The angle of the worm’s helical thread creates a wedging action that prevents the worm wheel from backdriving the worm. This characteristic makes worm gears suitable for applications requiring a mechanical brake or holding position.
  4. Efficiency: Worm gears typically have lower efficiency compared to other types of gears. This is primarily due to the sliding action between the worm’s threads and the worm wheel’s teeth, which leads to higher friction and energy losses. Therefore, worm gears are not ideal for applications that require high efficiency or continuous, high-speed operation.
  5. Lubrication: Worm gears require proper lubrication to reduce friction and wear. The sliding action between the worm and the worm wheel generates heat, which can affect the performance and lifespan of the gear system. Lubricants help to dissipate heat and provide a protective film between the mating surfaces, reducing friction and extending the gear’s life.
  6. Applications: Worm gears are commonly used in applications that require high gear reduction, compact size, and self-locking capabilities. They are found in various industries, including elevators, automotive steering systems, machine tools, robotics, and winding mechanisms.

Overall, the unique design and characteristics of worm gears make them suitable for specific applications where high torque, compactness, and self-locking features are essential, even though they may have lower efficiency compared to other types of gears.

China factory Factory Supply OEM Custom High Quality Swl Series Worm Gear Mechanical Screw Jack in China bevel gearboxChina factory Factory Supply OEM Custom High Quality Swl Series Worm Gear Mechanical Screw Jack in China bevel gearbox
editor by CX 2023-09-12