Product Description
Domestic C7 rolled ball screw shaft, C5 ground ball screw shaft, Ball screw nut
Company Profile
HangZhou Wangong Precision Machinery Co., Ltd.
About US: Professional producing Ball screw, Linear guide, linear shaft, Linear roller guide and linear motion bearings
HangZhou Wangong Precision Machinery Co., Ltd was founded in 2008 and is located in HangZhou City, ZHangZhoug Pro. China. We ahve built a R&D and profuction base of more than 52000m2 , Our expertise lies in manufacturing precision transmission components, As a distinguished high-tech enterprise, we seamlessly integrate research and development, production, sales, and service. We have successfully incorporated advanced equipment and cutting-edge technologies from renowned countries like Germany, Japan and ZheJiang .
Product Description
1,Intruduction
High precision low noise CHINAMFG ball screw
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.
2, Ball screw feature
High Reliability
TBI MOTION or CHINAMFG ball screw has very stringent quality control standards covering every production process. With proper lubrication and use,trouble-free operation for an extended period of time is possible.
Smooth Operation
The high efficiency of ball screws is vastly superior to conventional screws. The torque required is less than 30%. Linear motion can be easily changed from rotary motion.
High Rigidity and Preload
When axial play is minimized in conventional screw-nut assemblies, the actuating torque becomes excessive and the operation is not smooth. The axial play in TBI MOTION or CHINAMFG precision ball screws may be reduced to zero by preloading and a light smooth operation is still possible. herefore, both low torque and high rigidity can be obtained simultaneously.TBI MOTION or CHINAMFG ball screws have gothic CHINAMFG groove profiles which allow these conditions to be achieved.
Circulation Method
Ball return tube method.(V,E,S,Y type);Ball defelector method.(I,U,M,K type)
High Durability
Rigidly selected materials, intensive heat treating and processing techniques, backed by years of experience,have resulted in the most durable ball screws manufactured.
3, All kinds of ball srew series
There are many different series of ball screw shaft with nut, like SFU series, SFS series, SFI series, SFY series, DFU series, SFUL series, SFK series.Each series has its own characteristics, Let’s look at the difference in appearance and characteristics.
| SFU series | SFS/SFA series | SFI series |
| DFU series | SFY series | SFK series |
| SCI series | Ball screw set | C5 ground ball screw series |
4, Ball screw Specification
1. Cold rolled ball screw;
2. Gcr15 material;
3. High-speed operation
4. C5 C7 C10 precision;
5. No gap and preloading
6. Quality as good as TBI brand is high precision, long life use.
7. Pay more attention to before-sale, in-sale, after -sales service.
8. Manufacturer with large stock & short delivery
| Ball Screw Features |
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| Item | Material | Heat Treatment |
Hardness | Accurancy | Preload |
| Ball screw shaft | SCM450 S55C CF53 |
Induction Heating |
HRC58-62 | C5:0.018mm C7:0.05mm C10:0.21mm |
P1:Zero P2:Light P3:Medium P4:Heavy |
| Ball screw nut | SCM415 20CrMo |
Carbonizing Hardening |
HRC58-62 | C5:0.018mm | P1:Zero P2:Light P3:Medium P4:Heavy |
| Steel balls | SUJ2 GCr15 |
HRC58-62 | |||
| Brand name | ERSK, (they are able to interchange into ZheJiang TBI ball screw and nut) |
| Product name | C5 ground ball screw, C7 rolled ball screw |
| Model no. | SFU/SFNU/SFS/SFA/SFI/SFY/DFU/SFK/SCI series |
| Material | S55C material for ball screw shaft, 20CrMo material for ball screw nut |
| Service | after-sale service and technical assistance as per customer’s requirement and needs. Customers are always given quickly support. |
| Length | Max:6000mm, other length as your requirement |
| Delivery time | Base on customer required quantity,by negotiated |
| Products packing | Plastic bag+box case or wooden case, or according to customer’s requestment |
| Sample | Sample order could be available |
| Payment terms | T/t or L/C are available for large orders, Paypal and West Union for small orders |
| Shipping method | DHL,UPS,TNT,FEDEX,EMS,Airfreight and by sea, By negotiated |
| Quality | ISO9001-2008 |
5, We can machinize the ball screw shaft according to the drawings
6, Data sheet
Installation Instructions
The way to assemble the ball screw nut in the ball screw shaft
Related products
ERSK manufacturer main products
Our Advantages
As a distinguished high-tech enterprise, we seamlessly integrate research and development, production, sales, and service. We have successfully incorporated advanced equipment and cutting-edge technologies from renowned countries like Germany, Japan, and ZheJiang . Our commitment to innovation has led to the acquisition of multiple product design patents, and we proudly adhere to ISO9001 certification standards.
Our service
Our Team:
Professional technicians, high-quality production workers, 24-hour salespersons
OUR PHILOSOPHY:
Integrity is at the core of our values, and providing excellent
service is our top priority. We begin by understanding your
needs and strive to ensure your utmost satisfaction, forging a mutually beneficial relationship.
OUR MISSION:
Through technology and innovation, we strive to enhance
product quality and deliver exceptional products and services
to you.
OUR VISION:
We are firmly dedicated to CHINAMFG the pinnacle of highquality standards and venturing into the realm of world-class
advanced manufacturing industries.
We are excited about the opportunity to work with you and
exceed your expectations.
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| Precision: | C7 |
|---|---|
| Screw Diameter: | 11-20mm |
| Flange: | With Flange |
| Samples: |
US$ 15/Piece
1 Piece(Min.Order) | Order Sample SCR1610 ball screw shaft
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| 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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Can you provide examples of products or machinery that use lead screws for precise positioning?
Lead screws are widely utilized in various products and machinery that require precise positioning. Here are some examples of products and machinery that commonly use lead screws for precise positioning:
- CNC Machines: Computer numerical control (CNC) machines, including CNC mills, lathes, and routers, use lead screws to precisely position the cutting tools or workpieces. Lead screws enable accurate and repeatable movement in the linear motion systems of these machines, allowing for precise machining operations.
- 3D Printers: Lead screws are extensively used in 3D printers to control the movement of the print head or build platform. They enable precise positioning of the print head, ensuring accurate layer-by-layer deposition of the printing material, resulting in high-quality 3D prints.
- Robotics: Lead screws are integral to robotic systems that require precise positioning. They are used in robotic arms to control the movement and positioning of the end effectors or grippers. Lead screws provide accurate and controlled linear motion in robot joints, allowing for precise and coordinated movements in industrial, medical, and research robotics.
- Medical Imaging Systems: Lead screws are employed in medical imaging systems, such as computed tomography (CT) scanners and magnetic resonance imaging (MRI) machines, to precisely position the patient bed or gantry. This precise positioning is crucial for accurate imaging and diagnosis.
- Laboratory Automation Equipment: Lead screws are used in laboratory automation equipment, such as liquid handling robots and sample handling systems, for precise positioning and movement of samples, reagents, and labware. They ensure accurate and repeatable positioning required for various laboratory processes.
- Semiconductor Manufacturing Equipment: Lead screws are utilized in semiconductor manufacturing equipment, including wafer handling systems and lithography machines. They provide precise positioning and movement of wafers, masks, and other components critical for semiconductor fabrication processes.
- Camera Sliders: Lead screws are employed in camera sliders used in photography and videography applications. They enable smooth and precise linear motion of the camera along the slider, allowing for controlled tracking shots and precise camera positioning.
- Telescopes and Astronomy Equipment: Lead screws are utilized in telescopes and other astronomy equipment to precisely position optical components and achieve accurate tracking of celestial objects. They enable fine adjustments and precise pointing of telescopes for astronomical observations.
- Industrial Inspection Systems: Lead screws are used in industrial inspection systems, such as coordinate measuring machines (CMMs) and optical inspection systems, for precise movement and positioning of the inspection probes or cameras. This ensures accurate measurement and inspection of manufactured components.
These are just a few examples of the products and machinery that utilize lead screws for precise positioning. The versatility, accuracy, and reliability of lead screws make them a preferred choice in applications that require controlled linear motion and precise positioning of components.
Are there innovations or advancements in lead screw technology that have emerged in recent years?
In recent years, there have been notable innovations and advancements in lead screw technology aimed at improving performance, efficiency, precision, and durability. These advancements have been driven by the demand for more sophisticated machinery and automation systems. Here are some key innovations in lead screw technology that have emerged in recent years:
- Anti-Backlash Designs: Backlash, which refers to the play or clearance between the screw and nut, has been a longstanding challenge in lead screw systems. To address this issue, innovative anti-backlash designs have been developed. These designs incorporate mechanisms such as preloading systems, split nuts, or adjustable axial play to minimize or eliminate backlash, resulting in improved precision and repeatability.
- High-Efficiency Thread Profiles: Traditional lead screws often feature trapezoidal or ACME thread profiles, which can result in higher friction and lower mechanical efficiency. Recent advancements have introduced new thread profiles, such as the “triangular” or “wedge” profiles, which optimize the contact area between the screw and nut, reducing friction and improving mechanical efficiency. These high-efficiency thread profiles offer smoother operation, increased load-carrying capacity, and improved energy efficiency.
- Lead Screw Coatings and Surface Treatments: Coatings and surface treatments have been developed to enhance the durability, wear resistance, and lubrication properties of lead screws. For example, advanced coatings like Teflon, ceramic, or DLC (Diamond-Like Carbon) coatings provide low friction, reduce wear, and improve the lifespan of the lead screw. These coatings also help prevent contaminants from adhering to the surfaces, minimizing the risk of damage or performance degradation.
- Integrated Lubrication Systems: Lubrication is crucial for smooth operation and longevity of lead screws. Recent advancements have introduced integrated lubrication systems that automatically deliver a controlled amount of lubricant to the screw and nut. These systems ensure consistent and optimal lubrication, reducing friction, wear, and the need for manual lubrication maintenance. Integrated lubrication systems can be particularly beneficial in applications where access to the lead screw is limited or in environments where contamination risks are high.
- Smart and Connected Lead Screw Systems: The rise of Industry 4.0 and the Internet of Things (IoT) has led to the development of smart and connected lead screw systems. These systems feature embedded sensors, communication capabilities, and data analytics algorithms. They enable real-time monitoring of operating parameters, condition monitoring, predictive maintenance, and performance optimization. Smart lead screw systems provide valuable insights, enhance operational efficiency, and reduce downtime by enabling proactive maintenance and troubleshooting.
- Hybrid Lead Screw Technologies: Hybrid lead screw technologies combine the advantages of different types of screws, such as combining a traditional lead screw with a ball screw or roller screw elements. This fusion results in enhanced performance characteristics, such as increased load capacity, improved efficiency, reduced friction, and higher precision. Hybrid lead screws offer a cost-effective alternative to high-precision ball screws while providing superior performance compared to traditional lead screws.
These recent innovations and advancements in lead screw technology have significantly improved the performance, efficiency, precision, and durability of lead screw systems. Anti-backlash designs, high-efficiency thread profiles, advanced coatings, integrated lubrication systems, smart and connected features, and hybrid technologies have expanded the capabilities and application range of lead screws in various industries, including aerospace, automotive, robotics, and industrial automation.
Can you explain the role of a lead screw in converting rotary motion to linear motion?
A lead screw plays a crucial role in converting rotary motion into linear motion in mechanical systems. It achieves this by utilizing the helical threads on the screw and the corresponding threads on the nut. Here’s a detailed explanation of how a lead screw accomplishes the conversion:
- Helical Thread Design: A lead screw is designed with a helical thread that wraps around its cylindrical shaft. The thread is typically a continuous spiral groove with a specific pitch, which is the distance between adjacent threads. The pitch determines the linear distance the nut will travel when the lead screw makes one complete revolution.
- Matching Threaded Nut: The lead screw is paired with a nut that has threads matching those on the screw. The nut is typically fixed in place while the lead screw rotates. The nut contains internal threads that engage with the external threads of the lead screw.
- Rotary Motion: When the lead screw is rotated, either manually or by a motor-driven mechanism, the helical threads on the screw cause the nut to move linearly along the length of the screw. The direction and magnitude of the linear motion depend on the direction and speed of the screw’s rotation.
- Linear Motion: As the lead screw rotates, the engaged threads between the screw and the nut create a force that translates the rotational motion into linear motion. The helical threads on the screw push against the matching threads in the nut, causing the nut to move along the length of the screw. This results in linear displacement of the nut and any attached components.
- Precision and Control: The pitch of the lead screw determines the linear distance traveled by the nut for each revolution of the screw. By controlling the rotational motion of the lead screw, precise and controlled linear movement can be achieved. This makes lead screws suitable for applications that require accurate positioning or adjustment of components.
- Load Capacity: Lead screws can handle both axial loads (tension or compression forces) and torque. The helical threads distribute the load over a larger surface area, allowing the lead screw to support and transfer significant loads. By incorporating thrust bearings or other supporting elements, the lead screw can handle high loads while maintaining smooth and controlled linear motion.
Overall, the lead screw’s role in converting rotary motion to linear motion relies on the interaction between the helical threads of the lead screw and the matching threads of the nut. This mechanism provides a reliable and precise means to translate rotational motion into linear displacement, making lead screws a valuable component in various mechanical systems and applications.
editor by CX 2024-03-11