Product Description
Ball Screw with Nut details
Ball screw is made of screw, nut and ball. The function is to turn the rotary motion into liner motion, which is a further extension and development of ball screw. The significance of this development is to move into a rolling bearing from sliding action; With little friction, ball screws are widely used in various industrial equipment and precision instruments.
WHAT CAN WE SUPPLY?
-1.We have TBI or CHINAMFG sizes for your selection.
Our ball screws and nuts are the same sizes as TBI or CHINAMFG ,they can be interchanged with TBI or THK.
TBI sizes have enough inventory in stock.
CHINAMFG sizes are produced on request.
-2.We are able to machine the 2 end sides of ball screws according to your requirements.
-3.We have full range of products what can be matched with ball screws.
We are able to match for you completely, including Machined Ball screw, Ball screw Nut, Nut housing/Nut Bracket, Shaft Coupler, End support unit.
-4.We provide many different series of ball screws and screw nuts, like SFU,SFK,SFS,SFI,SFY,SFA,DFU,DFI series and so on.
| SFU Ball Screw Nut Model No.(plastic deflector or metal deflector ) |
| SFU1204-3;SFU1605-3;SFU1605-4; SFU1610-2; SFU2005-3;SFU2005-4;SFU2505-3;SFU2505-4;SFU2510-4;SFU3205-3; SFU3205-4;SFU4005-4;SFU4571-4; SFU5571-4;SFU6310-4;SFU8571-4 |
| SFK Ball Screw Model No. |
| SFK0601;SFK0801;SFK0802;SFK082.5;SFK1002;SFK1004;SFK1202;SFK1402 |
| SFS Ball Screw Model No. |
| SFS1205;SFS1210;SFS1605;SFS1610;SFS1616;SFS1620;SFS2571;SFS2510;SFS2525;SFS3210;SFS4571 |
| SFI Ball Screw Model No. |
| SFI1605;SFI1610;SFI2005;SFI2505;SFI2510;SFI3205;SFI3210;SFI4005;SFI4571 |
| SFE Ball Screw Model No. |
| SFE1616;SFE2571;SFE2525;SFE3232;SFE4040 |
| SFY Ball Screw Model No. |
| SFY1616;SFY2571;SFY2525;SFY3232;SFY4040 |
| SFA Ball Screw Model No. |
| SFA1610;SFA1620;SFA2571;SFA2510;SFA2525 |
| Ball Screw End Supports Model No. |
| BK10 BF10, BK12 BF12, BK15 BF15, BK17 BF17, BK20 BF20, BK25 BF25,BK30 BF30, BK35 BF35, BK40 BF40 |
| EK06 EF06, EK08 EF08, EK10 EF10, EK12 EF12, EK15 EF15, EK20 EF20; EK25 EF25 |
| FK06 FF6, FK08 FF08,FK10 FF10, FK12 FF12, FK15 FF15, FK20 FF20, FK25 FF25, FK30 FF30 |
| Ball Screw Nut Housings Model No. (Aluminium or Iron) |
| DSG12H(1204),DSG16H(1605/1610), DSG20H(2005/2571), DSG25H(2505/2510), DSG32H(3205/3210), DSG40H(4005/4571),DSG50H(5005/5571) |
Each series has its own characteristics. The following table list the differences in appearance and characteristics for your reference.
Rolled Ball Screw Application:
1. Engraving machines; 2. High speed CNC machinery;
4. Auto-machinery. 3. Semi-Conductor equipment;
5. Machine tools; 6. Industrial Machinery;
7. Printing machine; 8. Paper-processing machine;
9. Textiles machine; 10. Electronic machinery;
11. Transport machinery; 12. Robot etc.
Rolled ball screws can not only be used in above general machinery, but also in many advanced industries. Rolled ball screw with a motor assembles electrical-mechanical actuator, which is more eco-friendly than hydraulic pump system. Nowadays it’s applied to electric vehicles, solar power plants, railway devices and many medical and leisure equipments.
Kindly pls contact me if you have any question!!!!!!!!!!!!!!!!!!!!!! /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | C7 |
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| Screw Diameter: | 11-20mm |
| Flange: | With Flange |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do lead screws contribute to the efficiency and accuracy of linear motion systems?
Lead screws play a crucial role in enhancing the efficiency and accuracy of linear motion systems. Here’s how they contribute to these aspects:
Efficiency:
Lead screws can contribute to the efficiency of linear motion systems in the following ways:
- Mechanical Efficiency: Lead screws can achieve high mechanical efficiency in converting rotary motion into linear motion. The efficiency depends on factors such as the thread design, lubrication, and preload. When properly designed and lubricated, lead screws can operate with minimal friction and energy loss, ensuring efficient power transmission. This efficiency allows for effective utilization of the input power and reduces energy consumption.
- Self-Locking Capability: Lead screws have a self-locking characteristic, which means they can hold their position without the need for additional locking mechanisms. The friction between the mating threads helps prevent back-driving and maintains the position of the load. This self-locking property eliminates the need for continuous power input to hold the position, improving overall efficiency.
- No Energy Consumption at Rest: When the lead screw is not in motion, it does not consume any energy. This is advantageous in applications where the load needs to be held in position for extended periods. The self-locking feature of lead screws ensures that the load remains stationary without energy input, contributing to energy efficiency.
Accuracy:
Lead screws contribute to the accuracy of linear motion systems in the following ways:
- Precise Positioning: Lead screws allow for precise positioning of components or loads. The thread pitch and design, combined with the rotational input, enable accurate and controlled linear movement. This precision is crucial in applications that require accurate alignment, spacing, or adjustment of components.
- Repeatability: Lead screws provide excellent repeatability in linear motion. Once a position is established, lead screws can reliably return to the same position repeatedly. This repeatability is critical in applications where consistent and repeatable motion is required, such as in CNC machines or automated systems.
- Low Backlash: Backlash refers to the axial movement or play between the screw and nut when changing direction. Lead screws can be designed to minimize backlash, resulting in more accurate positioning and reduced lost motion. Low backlash is particularly important in applications that demand precise positioning, such as machining operations or optical systems.
- Elimination of Drift: Lead screws help eliminate drift or movement over time. Once a position is set, the self-locking property of lead screws ensures that the load remains stationary without any gradual drift or positional changes. This stability is beneficial in applications where maintaining a fixed position is critical, such as in inspection systems or medical equipment.
Overall, lead screws provide efficient power transmission, self-locking capability, precise positioning, repeatability, and low backlash, all of which contribute to the efficiency and accuracy of linear motion systems. These characteristics make lead screws suitable for a wide range of applications where controlled and reliable linear motion is required.
How does the choice of lead screws affect the overall performance and reliability of linear motion systems?
The choice of lead screws has a significant impact on the overall performance and reliability of linear motion systems. Different types of lead screws offer distinct characteristics and capabilities that influence factors such as accuracy, load capacity, speed, efficiency, backlash, and durability. Here are some key ways in which the choice of lead screws affects the performance and reliability of linear motion systems:
- Accuracy and Precision: The selection of an appropriate lead screw type can directly impact the accuracy and precision of linear motion systems. Lead screws with fine thread pitches or multiple starts provide higher resolution and finer positioning capabilities, resulting in improved accuracy. Choosing a lead screw with low backlash and minimal axial play helps maintain precise motion control and repeatability.
- Load Capacity: Different lead screw designs have varying load-carrying capacities. Factors such as the diameter, pitch, material, and thread type influence the ability of a lead screw to handle axial loads. Selecting a lead screw with sufficient load capacity ensures the system can handle the required loads without compromising performance or risking premature failure.
- Speed and Efficiency: Lead screw selection affects the speed and efficiency of linear motion systems. Coarser thread pitches enable faster linear speeds, making them suitable for applications that require rapid movement. However, finer thread pitches offer increased mechanical advantage and torque conversion efficiency, making them preferable for systems requiring higher force output.
- Backlash and Repeatability: Backlash, the clearance between the lead screw and nut, can impact the accuracy and repeatability of linear motion systems. The choice of lead screw influences the amount of backlash present. Lead screws with low backlash or anti-backlash mechanisms minimize positioning errors and ensure consistent repeatability, enhancing system performance and reliability.
- Lubrication and Maintenance: Different lead screw materials and designs require specific lubrication and maintenance practices to ensure optimal performance and longevity. Some lead screws may require periodic lubrication, while others may be self-lubricating or require minimal maintenance. Choosing a lead screw that aligns with the maintenance capabilities and requirements of the system simplifies upkeep and reduces the risk of premature wear or failure.
- Environmental Considerations: The choice of lead screws should also take into account the environmental conditions in which the linear motion system will operate. Factors such as temperature, humidity, exposure to contaminants, or corrosive agents can impact the performance and reliability of lead screws. Selecting lead screws with appropriate materials, surface treatments, or protective coatings ensures compatibility with the intended operating environment.
It is crucial to carefully assess the specific requirements of the linear motion system and consider factors such as load capacity, accuracy, speed, backlash, maintenance, and environmental conditions when choosing a lead screw. Consulting with manufacturers, engineers, or industry experts can provide valuable insights and guidance to select the most suitable lead screw for achieving optimal performance, reliability, and longevity in a given application.
Can you describe the various types and configurations of lead screws available in the market?
Lead screws are available in various types and configurations to suit different applications and requirements. Here’s an overview of the common types and configurations of lead screws found in the market:
- Acme Lead Screws: Acme lead screws are one of the most widely used types. They have a trapezoidal thread profile with a 29-degree thread angle. Acme screws are known for their strength, durability, and high load-carrying capacity. They offer efficient linear motion conversion and are commonly used in applications that require heavy-duty and high-load capabilities.
- Ball Screws: Ball screws are precision lead screws that incorporate ball bearings between the screw and nut. The ball bearings reduce friction, allowing for smoother and more efficient linear motion. Ball screws offer high accuracy, low backlash, and excellent repeatability. They are commonly used in applications that require high precision, such as CNC machines, robotics, and semiconductor manufacturing equipment.
- Stub Acme Screws: Stub Acme screws are similar to Acme screws but have a shallower thread depth. They offer higher efficiency and smoother operation compared to Acme screws. Stub Acme screws are commonly used in applications where space is limited or when a lighter load capacity is required.
- Buttress Screws: Buttress screws have a thread profile with one flank at a 45-degree angle and the other flank perpendicular to the screw axis. This design provides high load-carrying capacity in one direction while allowing for easy movement in the opposite direction. Buttress screws are commonly used in applications that require the transmission of heavy axial loads in a single direction, such as presses or jacks.
- Multiple-Start Screws: Multiple-start screws have two or more threads wrapped around the screw shaft. This design allows for faster linear travel per revolution compared to single-start screws. Multiple-start screws are used in applications where higher linear speeds or quick linear positioning is required.
- Thread Forms: Apart from the specific types mentioned above, lead screws can also come in different thread forms to suit specific applications. Some common thread forms include square threads, triangular threads, and rounded threads. These thread forms offer variations in load-carrying capacity, efficiency, backlash, and cost, providing options to meet specific application requirements.
- Lead Screw Configurations: Lead screws can be found in various configurations depending on the specific application. Some configurations include:
- – Standard Lead Screws: These are the most common configurations with a cylindrical shaft and threads along its length.
- – Flanged Lead Screws: These lead screws have a flange at one or both ends, providing support and alignment in certain applications.
- – Anti-Backlash Lead Screws: These lead screws incorporate mechanisms to minimize or eliminate backlash, providing more precise linear motion control.
- – Customized Lead Screws: Lead screws can be customized to meet specific application requirements, such as specific dimensions, thread pitch, end machining, or material selection.
These are some of the common types and configurations of lead screws available in the market. The selection of the appropriate lead screw type depends on factors such as load requirements, precision needs, speed, backlash tolerance, and specific application constraints.
editor by CX 2024-01-09