Product Description
Product Information
Ball screw is a desired product which turns rotary motion into linear motion, or linear motion into rotary motion.
Ball screw is made of screw, nut, ball and reversing device. Its function is to turn the rotary motion into
linear 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 instrument.
Model
Pitch 4mm: SFU1204, SFU1604, SFU2004
Pitch 5mm: SFU1605, SFU2005, SFU2505, SFU3205, SFU4005
Pitch 10mm: SFU1610, SFU2571, SFU2510, SFU3210, SFU4571, SFU5571, SFU6310
Application
Ball screw are used in aircraft and missiles to moving control surfaces, especially for electric fly by wire and
in automobile power steering to translate rotary motion from an electric motor to axial motion of the steering rack .
Ball screw also used in machine tools, robots and precision assembly equipment .High precision ball screw are
used in steppers for semiconductors manufacturing.
1)3D printers, stepper motor etc.
2)Industrial machinery Printing, paper-processing, automatic machines, textiles, etc.
3)Electronic machinery Robot, measuring instruments, medical equipment, X-Y table,
factory automation equipment, etc.
4)Transport machinery Material handling equipment, nuclear reactor-actuator, etc.
5)Aircraft applications: aircraft flaps, actuators, airport loading equipment, etc.
1.About us
We are in HangZhou, ZheJiang , which is the hometown of CNC Router. We are focus on CNC Machine Parts.
We’ve been in this business for more than 10 years.
2.What products do we have?
We have many CNC Machine Parts , include Spindle,Inverter,stepper motor,driver,guide rail,sliding block,
rack,gear box,water pump,dust collector,coupling,tool-setter,tool cutter. And so on …
3.How we guarantee the quality of the products?
Each batch of products will pass the test before leaving the factory.
Before delivery, we will check the list 1 by one.
4.Why you should choose us?
We are focus on CNC Router Parts more than 10years. We can provide you with the overall solution, We
can offer you many type CNC products.Just tell us which you need , we will provide you as the best price
and the best quality and service.
5.What’s the payment term?
We normally accept T/T, Western Union, L/C, and Paypal.
6.What about the shipping ?
We support multiple modes of transportation,such as by express,by air,by sea,by rail and so on.
Also can shipping by DHL\FedEx\TNT\UPS\EMS and so on.
We can offer different type transactions: FOB\EXW\FCA\DAP\CIF.
We can also help you to keep other suppliers goods at our wareh ouse and shipping together.
7.How to place an order?
Just tell us what you need , then we can make a Invoice for you. If all OK , then make the order and we
shipping to you the goods ASAP.
In order to ensure that all products are what you need, we will show you the pictures, drawings, videos
and so on before shipping .
8.What about the delivery time?
We have a large warehouse and most of our goods are in stock.When you have order, we can shipping
the goods fast.
Generally speaking, the time from our warehouse to the forwarder is about 2 days, and then the goods
can be sent by DHL FedEx UPS TNT to you.
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| After-sales Service: | on Line Service |
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| Warranty: | on Line Service |
| Logo Printing: | with Logo Printing |
| Customization: |
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about shipping cost and estimated delivery time. |
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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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What role do lead screws play in ensuring proper alignment and tightness in mechanical assemblies?
Lead screws play a crucial role in ensuring proper alignment and tightness in mechanical assemblies. They provide a reliable means of applying axial force to securely fasten components together. Here’s how lead screws contribute to alignment and tightness:
Alignment:
Lead screws aid in achieving proper alignment in mechanical assemblies through the following mechanisms:
- Linear Motion: Lead screws convert rotary motion into linear motion, allowing for controlled movement and alignment of components. By rotating the lead screw, the connected nut or threaded component moves along the screw’s axis, enabling precise positioning and alignment of the assembly.
- Thread Engagement: The mating threads of the lead screw and nut provide a positive mechanical connection. As the nut moves along the screw, the threads engage tightly, ensuring accurate alignment between the screw and the nut. This thread engagement helps maintain the desired position and alignment of components within the assembly.
- Guidance and Support: Lead screws often incorporate guidance mechanisms, such as linear bearings or sliding surfaces, to ensure smooth and accurate linear motion. These guidance systems help prevent lateral movement, minimize misalignment, and maintain the intended trajectory of the assembly, improving overall alignment.
- Positioning Accuracy: Lead screws offer precise positioning capabilities, allowing for the accurate alignment of components. The thread pitch and design, combined with the rotational input, enable controlled linear movement and positioning. This precision is critical in applications where proper alignment is essential for optimal performance and functionality.
Tightness:
Lead screws contribute to achieving tightness and secure fastening in mechanical assemblies through the following means:
- Axial Force Application: Lead screws transmit axial force to clamp or tighten components together. By rotating the lead screw, the axial force is applied through the nut or threaded component, generating a clamping action that holds the assembly tightly. This axial force helps prevent loosening, vibration, or unintended movement of the connected components.
- Self-Locking Capability: Lead screws possess a self-locking characteristic, which means they can hold their position without the need for additional locking mechanisms. The friction between the mating threads provides resistance to back-driving and helps maintain the tightness of the assembly. This self-locking property ensures that the assembly remains securely fastened, even in the absence of continuous power input.
- Thread Friction: The friction between the mating threads of the lead screw and nut contributes to the tightness of the assembly. When properly lubricated, the thread friction helps increase the resistance to loosening or undesired movement. By controlling the thread friction, the tightness of the assembly can be optimized to meet the specific requirements of the application.
- Preload Adjustment: Lead screws allow for preload adjustment, which is the intentional application of axial force to achieve a desired level of tightness. Preload can be applied by adjusting the initial position of the nut along the lead screw or by incorporating preload mechanisms, such as spring washers or Belleville washers. Preload optimization ensures that the assembly remains tight and secure, even under varying loads or external disturbances.
Overall, lead screws provide a reliable means of achieving proper alignment and tightness in mechanical assemblies. Their linear motion capabilities, thread engagement, guidance mechanisms, positioning accuracy, axial force application, self-locking capability, and preload adjustability all contribute to ensuring the stability, alignment, and tightness of the assembled components.
How do lead screws contribute to the adaptability and versatility of mechanical systems in different settings?
Lead screws play a significant role in enhancing the adaptability and versatility of mechanical systems across various settings. Their unique characteristics and capabilities enable precise linear motion, load handling, and control, making them valuable components in a wide range of applications. Here are some key ways in which lead screws contribute to the adaptability and versatility of mechanical systems:
- Precise Positioning: Lead screws provide accurate and repeatable linear motion, allowing for precise positioning of components or loads within a mechanical system. By converting rotational motion into linear motion, lead screws enable controlled and incremental movement, making them ideal for applications that require precise positioning, such as CNC machinery, 3D printers, or automated assembly systems.
- Variable Speed and Velocity: Lead screws offer flexibility in adjusting speed and velocity profiles within a mechanical system. By controlling the rotational speed of the screw, the linear speed and velocity can be varied as required. This adaptability is beneficial in applications that involve changing speed requirements, such as conveyor systems, material handling equipment, or packaging machinery.
- Load Handling Capability: Lead screws can handle a wide range of load capacities, making them adaptable to different mechanical system requirements. They possess high load-carrying capacities and can transmit substantial axial forces, enabling the manipulation of heavy loads. Lead screws find applications in various settings, including lifting mechanisms, industrial automation, aerospace systems, or medical equipment, where load handling is a critical factor.
- Compact Design: Lead screws offer a compact and space-efficient design, allowing for their integration into systems with limited space. Their axial configuration and threaded structure make them suitable for applications where size constraints exist. Lead screws are commonly used in compact devices and systems such as miniature robotics, precision instruments, or medical devices, where space optimization is essential.
- Cost-Effectiveness: Lead screws provide a cost-effective solution for linear motion compared to alternatives such as linear actuators or ball screws. They offer a balance between performance, precision, and cost, making them an economical choice for various applications. Lead screws are widely used in industrial machinery, automotive systems, or consumer products, where cost considerations are important.
- Easy Installation and Maintenance: Lead screws are relatively easy to install and maintain, contributing to their adaptability in different settings. They can be integrated into existing systems or retrofitted without significant modifications. Maintenance tasks such as lubrication or inspection can be performed with relative ease. This ease of installation and maintenance makes lead screws suitable for applications requiring quick deployment, frequent adjustments, or serviceability.
Overall, lead screws provide adaptability and versatility to mechanical systems by enabling precise positioning, variable speed control, efficient load handling, compact design, cost-effectiveness, and ease of installation and maintenance. Their capabilities make them widely applicable across industries and settings, offering a reliable and flexible solution for achieving linear motion requirements in diverse mechanical systems.
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 2024-03-29