China factory Swl Series Stainless Steel Worm Gear Linear Motion Mechanical Lift Electric Screw Jack Worm Gear Reducer Worm Gear Screw Jack worm gearbox

Product Description

Swl Series Stainless Steel Worm Gear Linear Motion Mechanical Lift Electric Screw Jack Worm Gear Reducer Worm Gear Screw Jack

 

Product  Description

 

Our Jack’s Advantages:

-Self-locking ability
-Can be driven directly by motor or other power or manual
-Can be customized according user’s demand
-Compact configuration, small size, lightweight
-Convenient installation, flexible operation
-High reliability and stability
-2 Sets, 3 Sets, 4 Sets, 8 Sets etc. Screw Jacks to linkage to use ( Screw Jacks Linkage Use Application, see the below)

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

Model

SWL2.5

SWL5

SWL10

SWL15

SWL20

SWL25

SWL35

Max Capacity (KN)

25

20

100

150

200

250

350

Lifting screw

Tr30*6

Tr40*7

Tr58*12

Tr58*12

Tr65*12

Tr90*16

Tr100*20

Ratio (P)

6:1

8:1

23:3

23:3

8:1

32:3

32:3

Ratio (M)

24:1

24:1

24:1

24:1

24:1

32:1

32:1

Raise per revolution (mm) (P)

1.0

0.875

1.565

1.565

1.56

1.5

1.875

Raise per revolution (mm) (M)

0.250

0.292

0.5

0.5

0.5

0.5

0.625

Start torque on lifting screw at max load

250

385

500

400

490

850

820

400

770

1000

800

980

1700

1640

Starting torque/Handwind torque at max load (Nm) (P)

18

39.5

119

179

240

368

464

Starting torque/Handwind torque at max load (Nm)(M)

8.86

19.8

60

90

122

217

253

Running efficiency (%)(P)

33

23

20.5

20.5

19.5

16

18

Running efficiency (%) (M)

11

11.5

13

13

12.8

9

11

Weight without spindle or protection tube (Kg)

7.3

16.2

25

25

36

70.5

87

Weight of lifting screw 100 mm (kg)

0.45

0.82

1.67

1.67

2.15

4.15

5.20

Lubrication

ZGN-1 or ZGN-2 (-20-+100)

Grease quantity

0.1

0.3

0.5

0.5

0.75

1.1

1.9

Click here for more models!
 

Related Products

Our Company

Ever-power specialist in making all kinds of mechanical transmission and hydraulic transmission like: planetary gearboxes, worm reducers, in-line helical gear speed reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, auto gearboxes, pto drive shafts, special reducer & related gear components and other related products, sprockets, hydraulic system, vaccum pumps, fluid coupling, gear racks, chains, timing pulleys, udl speed variators, v pulleys, hydraulic cylinder, gear pumps, screw air compressors, shaft collars low backlash worm reducers and so on. furthermore, we can produce customized variators, geared motors, electric motors and other hydraulic products according to customers’ drawings.
The company provides a reliable gurantee for the product’ s quality by advanced inspection and testing equipment. professional technical team, exquisite processing technology and strict control system.
In recent years, the company has been developing rapidly by its rich experience in production, adcanced managemant system, standardized management system, strong technical force. We always adhere the concept of survial by quality, and decelopment by innovation in science and technology.
Ever-power Group is willing to work with you hand in hand and create brilliance together! 
 

FAQ

Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us

 

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Steel
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

screw gear

How do you install a screw gear system?

Installing a screw gear system, also known as a worm gear system, requires careful consideration and precise execution. Here’s a detailed explanation of the steps involved in installing a screw gear system:

  1. Design and Selection: Before installation, it is crucial to design and select the appropriate screw gear system for the specific application. Consider factors such as required torque, speed, load capacity, gear ratio, and environmental conditions. Choose a screw gear system that matches the application’s requirements and ensure compatibility with other components and machinery.
  2. Prepare the Components: Gather all the necessary components for the screw gear system installation, including the worm gear, worm wheel, bearings, shafts, and any additional accessories or support structures. Inspect the components for any damage or defects and ensure they are clean and properly lubricated.
  3. Mounting the Worm Gear: Begin the installation by mounting the worm gear. Securely attach the worm gear to the appropriate shaft or motor using suitable fasteners. Ensure that the alignment of the worm gear is accurate, and it is properly centered on the shaft to avoid any misalignment issues during operation.
  4. Mounting the Worm Wheel: Once the worm gear is in place, mount the worm wheel. The worm wheel should be positioned in such a way that it meshes smoothly with the worm gear. Ensure that the worm wheel is securely mounted, and any necessary bearings or supports are properly installed to maintain stability and alignment.
  5. Alignment and Adjustment: Proper alignment of the screw gear system is crucial for its efficient operation. Ensure that the worm gear and worm wheel are correctly aligned both axially and radially. Check for any excessive play or binding in the system. Make necessary adjustments to achieve optimal alignment and smooth meshing between the gears.
  6. Lubrication: Apply the recommended lubricant to the screw gear system. Proper lubrication is essential to minimize friction and wear, ensuring smooth operation and extending the system’s lifespan. Follow the manufacturer’s guidelines regarding the type and amount of lubricant to use.
  7. Testing and Fine-Tuning: After installation, perform thorough testing of the screw gear system. Check for smooth operation, proper engagement between the gears, and any abnormal noise or vibration. Fine-tune the system if necessary, making adjustments to achieve the desired performance and ensure optimal functionality.
  8. Regular Inspection and Maintenance: Once the screw gear system is installed and operational, it is important to establish a regular inspection and maintenance schedule. Regularly inspect the system for signs of wear, lubrication levels, and any potential issues. Perform routine maintenance tasks such as cleaning, lubrication replenishment, and component replacement as needed.

It is crucial to follow the manufacturer’s guidelines and specifications during the installation process. If unsure about any aspect of the installation, consult with experts or refer to the manufacturer’s documentation for detailed instructions specific to the screw gear system being installed.

screw gear

Can screw gears be used in precision manufacturing equipment?

Yes, screw gears, also known as worm gears, can be used in precision manufacturing equipment for various applications. While other types of gears, such as spur gears and helical gears, are commonly used in precision machinery, screw gears offer specific advantages that make them suitable for certain precision manufacturing processes. Here’s a detailed explanation of using screw gears in precision manufacturing equipment:

  • Precise Motion Control: Screw gears provide precise motion control due to their high gear ratio and inherent self-locking capability. This characteristic is particularly advantageous in precision manufacturing equipment, where accurate positioning, fine adjustments, and controlled linear or angular movements are required. Screw gears can offer smooth and precise motion control, ensuring the accuracy and repeatability of the manufacturing processes.
  • Compact Design: Screw gears have a compact design, which allows for space-saving installations in precision manufacturing equipment. The worm gear and worm wheel arrangement provides a compact and efficient means of transmitting motion and torque. This is beneficial in applications where space constraints are a consideration, enabling the integration of screw gears into compact and streamlined machinery designs.
  • Reduced Backlash: Screw gears typically have lower backlash compared to other gear types. Backlash refers to the clearance between the mating teeth of gears, which can introduce positioning errors and affect the precision of the manufacturing equipment. With reduced backlash, screw gears can minimize or eliminate positioning errors caused by gear play, resulting in improved precision and accuracy in manufacturing processes.
  • High Gear Ratios: Screw gears can achieve high gear ratios, which is advantageous in precision manufacturing equipment that requires high reduction ratios or fine adjustments. The high gear ratio allows for precise control of the output motion relative to the input motion. This is beneficial in applications such as micro-positioning stages, rotary tables, or feed mechanisms where fine adjustments or precise positioning are critical.
  • Self-Locking Capability: Screw gears have a self-locking property, meaning they can hold their position without the need for additional locking mechanisms or brakes. This feature is valuable in precision manufacturing equipment, as it helps maintain the position and stability of the equipment during operation or when power is not applied. The self-locking capability of screw gears enhances the safety, reliability, and holding capacity of the machinery.
  • Quiet and Smooth Operation: Screw gears often operate with reduced noise and vibration levels compared to other gear types. This is advantageous in precision manufacturing equipment, where noise and vibration can affect the quality of the manufactured products or compromise the precision of the processes. The quiet and smooth operation of screw gears contributes to a stable and controlled manufacturing environment.
  • Specific Applications: Screw gears find application in various precision manufacturing equipment, including CNC machines, milling machines, lathes, cutting tools, positioners, optical instruments, and more. They can be used for precise positioning, feed mechanisms, tool adjustments, spindle drives, or other critical motion control functions in precision manufacturing processes.

While screw gears may not be suitable for all precision manufacturing equipment and applications, they offer unique characteristics that make them valuable in specific scenarios. By considering the requirements of the manufacturing process, precision needs, and the advantages offered by screw gears, they can be effectively employed to enhance the precision, accuracy, and performance of manufacturing equipment.

screw gear

What is a screw gear and how does it work?

A screw gear, also known as a worm gear, is a type of gear mechanism that consists of a screw-like gear (called the worm) and a toothed wheel (called the worm wheel or worm gear). The screw gear operates on the principle of a helical screw driving a toothed wheel to transmit rotational motion and power. Here is a detailed explanation of how a screw gear works:

  1. Configuration: The screw gear consists of two main components: the worm and the worm wheel. The worm is a cylindrical gear with a helical thread wrapped around it, resembling a screw. The worm wheel is a toothed wheel that meshes with the worm. The orientation of the helical thread on the worm and the teeth on the worm wheel is typically perpendicular to each other.
  2. Meshing: The worm and the worm wheel mesh together by engaging the helical thread of the worm with the teeth of the worm wheel. The helical thread on the worm acts as a screw, and as the worm rotates, it drives the rotation of the worm wheel. The teeth on the worm wheel provide the necessary contact points for the meshing action.
  3. Transmitting Motion: When the worm rotates, the helical thread transfers rotational motion to the worm wheel. The helical thread of the worm pushes against the teeth of the worm wheel, causing the worm wheel to rotate. The direction of rotation of the worm wheel depends on the helix angle and the direction of rotation of the worm. The gear ratio between the worm and the worm wheel is determined by the number of teeth on the worm wheel and the pitch of the helical thread on the worm.
  4. Mechanical Advantage: One of the key characteristics of a screw gear is its ability to provide a high mechanical advantage or gear ratio. The helical design of the worm and the worm wheel allows for a large number of teeth to be engaged at any given time, resulting in a high gear ratio. This makes screw gears suitable for applications that require a significant reduction in rotational speed or an increase in torque.
  5. Self-Locking: A unique property of screw gears is their self-locking capability. Due to the helical thread design, the friction between the worm and the worm wheel tends to hold the gear system in place when the worm is not rotating. This self-locking characteristic prevents the worm wheel from backdriving the worm. It provides inherent braking or locking action, making screw gears suitable for applications where holding position or preventing reverse rotation is necessary.
  6. Efficiency and Lubrication: Screw gears generally have lower efficiency compared to other types of gears due to the sliding action between the helical thread and the teeth of the worm wheel. The sliding motion results in higher friction and heat generation. Proper lubrication is essential to minimize wear and improve efficiency. Lubricants with good adhesion and boundary lubrication properties are commonly used for screw gears.

Screw gears are widely used in various applications, including machinery, automotive systems, conveyor systems, lifting equipment, and many others. Their unique characteristics of high gear ratio, self-locking capability, and compact design make them suitable for specific applications where precise motion control, torque multiplication, or holding position is required.

China factory Swl Series Stainless Steel Worm Gear Linear Motion Mechanical Lift Electric Screw Jack Worm Gear Reducer Worm Gear Screw Jack worm gearboxChina factory Swl Series Stainless Steel Worm Gear Linear Motion Mechanical Lift Electric Screw Jack Worm Gear Reducer Worm Gear Screw Jack worm gearbox
editor by CX 2023-09-04

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We specializing in the production of Agricultural Gearbox, PTO Shafts, Sprockets, Fluid Coupling, Worm Gear Reducers, Gears and racks, Roller Chains, Sheave and Pulleys, Planetary Gearboxes, Timing Pulleys, Shaft Collars and more.

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