China supplier CHINAMFG C7 Precision Rolled Ball Screw with 4mm Lead for Automation Industry (TXR Series, Lead: 4mm, Shaft: 12mm)

Product Description

 TXR Series Sleeve Type Single Nut Ball Screw (C5/Ct7/Ct10)
 
 

Table of Shaft dia. and Lead combination for Rolled Ball Screw
  Lead (mm)  
0.5 1 1.5 2 2.5 3 4 5 6 8 10 12 15 20 30
Shaft dia (mm) 4   /   /                      
5             /                
6   /   /         /   /        
8   /   / /     /   / / /      
10       /   / / / /   / / / /  
12       /             /        
13                       / / /  
14       /     /                
15               /     /     /  
16                              

Accuracy Class & Axial Clearance
 
Accuracy grade of TXR series(sleeve type single nut ball screw)are based on C5,Ct7 and Ct10(JIS B 1192-3). According to accuracy grade, Axial play 0.005(Preload :C5),0.02(Ct7) and 0.05mm or less(Ct10).

Material & Surface Hardness
 
TXR series (sleeve type single nut ball screw) of screw shaft screw material S55C (induction hardening), nut material SCM415H (carburizing and hardening), the surface hardness of the ball screw part is HRC58 or higher.

Shaft End Shape
 
The shape of the shaft end of the TXR series (sleeve type single nut ball screws) has been standardized.

Application:

1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc

Technical Drawing

Specification List

 

FACTORY DETAILED PROCESSING PHOTOS
 

HIGH QUALITY CONTROL SYSTEM

FAQ

1. Why choose CHINAMFG China?

  Over the past 14 years, CHINAMFG has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.

2. What is your main products ?

We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways.  Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value”  and our factory is located in the most advanced  city in China: ZheJiang  with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.

3. How to Custom-made (OEM/ODM)?

If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?
 
 We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?

 After confirmation of our quoted price, you can place the sample order. The sample will be started after you CHINAMFG back our detailed technical file. 

6. What’s your payment terms?

  Our payment terms is 30% deposit,balance 70% before shipment. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Precision: C7
Screw Diameter: 12mm
Flange: With Flange
Nut Number: Single
Rows Number: 3-Row
Nut Type: Sleeve Type Single Nut
Customization:
Available

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lead screw

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.

lead screw

Can you provide insights into the importance of proper lead screw installation and alignment?

Proper lead screw installation and alignment are crucial for ensuring the optimal performance, longevity, and reliability of lead screw systems. The installation and alignment process directly affects the system’s accuracy, efficiency, and overall functionality. Here are some key insights into the importance of proper lead screw installation and alignment:

  1. Accuracy and Precision: Proper installation and alignment are essential for achieving accurate and precise linear motion. Misalignment or incorrect installation can introduce angular errors, axial misalignment, or parallelism issues, leading to positioning errors and reduced system accuracy. By following the manufacturer’s guidelines and using appropriate alignment tools, the lead screw can be installed in a way that minimizes misalignment and ensures precise movement and positioning.
  2. Load Distribution: Correct alignment during installation helps distribute the load evenly along the length of the lead screw. Proper alignment ensures that the load is shared uniformly between the screw and the nut, preventing excessive stress on specific areas. Improved load distribution reduces the risk of premature wear, deformation, or failure of the lead screw and enhances the overall durability and load-carrying capacity of the system.
  3. Backlash and Efficiency: Proper installation and alignment contribute to minimizing backlash in lead screw systems. Backlash, which refers to the clearance between the screw and nut, can negatively impact system performance, precision, and efficiency. Misalignment can exacerbate backlash issues, resulting in reduced repeatability and accuracy. By aligning the lead screw correctly, the backlash can be minimized, improving system efficiency and eliminating potential sources of error.
  4. Reduced Friction and Wear: Accurate installation and alignment help reduce friction and wear between the lead screw and nut. Misalignment can cause the screw and nut to rub against each other unevenly, leading to increased friction, accelerated wear, and reduced system lifespan. Proper alignment ensures that the mating surfaces are in optimal contact, minimizing friction and wear, and improving the overall efficiency and longevity of the lead screw system.
  5. System Stability and Vibration: Proper installation and alignment contribute to system stability and reduced vibration. Misalignment can introduce vibrations, resonances, or oscillations in the lead screw system, affecting the overall performance and potentially causing excessive noise or system instability. By aligning the lead screw correctly, the system’s natural frequencies can be maintained within acceptable limits, improving stability, reducing vibrations, and enhancing the system’s overall operation.
  6. Maintenance and Service: Proper installation and alignment simplify maintenance and service procedures. When lead screws are installed and aligned accurately, routine maintenance tasks such as lubrication, inspection, or component replacement can be performed more efficiently. Access to critical components is improved, and troubleshooting potential issues becomes easier, reducing downtime and enhancing the overall serviceability of the lead screw system.

In conclusion, proper lead screw installation and alignment are of utmost importance for achieving optimal performance, accuracy, efficiency, and durability of lead screw systems. Accurate alignment minimizes positioning errors, improves load distribution, reduces backlash and friction, enhances system stability, and simplifies maintenance procedures. By following manufacturer guidelines and utilizing appropriate alignment techniques, the benefits of proper installation and alignment can be realized, ensuring the long-term reliability and performance of lead screw systems.

lead screw

How does a lead screw differ from other types of screws in terms of design and functionality?

A lead screw differs from other types of screws in terms of its design and functionality. Here’s a detailed explanation of the distinctions between lead screws and other screw types:

  • Thread Design: Lead screws have a helical thread design, meaning the threads wrap around the screw’s cylindrical shaft in a continuous spiral. This helical thread allows for the conversion of rotary motion into linear motion. In contrast, other types of screws, such as machine screws or wood screws, typically have a straight or tapered thread design suited for fastening or joining applications.
  • Linear Motion Conversion: The primary function of a lead screw is to convert rotary motion into linear motion or vice versa. It achieves this by utilizing the engagement between the helical threads on the screw and the matching threads on the nut. This capability makes lead screws suitable for applications requiring precise positioning, actuation, or adjustment of components along a linear path. In contrast, other screws are primarily used for fastening, joining, or securing objects together.
  • Precision and Control: Lead screws offer precise control over linear movement due to their thread pitch and the ability to rotate the screw with precision. The pitch determines the linear distance the nut will travel for each revolution of the screw. This feature makes lead screws well-suited for applications that demand accurate positioning or adjustment. In contrast, other screws are not designed with the same level of precision or control over linear motion.
  • Load Handling: Lead screws are designed to handle both axial loads (tension or compression forces) and torque. The helical threads and the engagement between the screw and nut distribute the load over a larger surface area, allowing lead screws to support and transfer significant loads. Other screw types, such as machine screws or wood screws, are primarily used for fastening and may not have the same load-bearing capabilities as lead screws.
  • Applications: Lead screws find applications in various mechanical systems that require precise linear motion, such as CNC machines, 3D printers, robotic systems, and adjustable mechanisms. They are commonly used for positioning, actuation, or adjustment purposes. Conversely, other types of screws serve different purposes, such as machine screws used for fastening components together, wood screws for joining wooden materials, or self-tapping screws for creating threads in materials like metal or plastic.

Overall, the key differences between lead screws and other types of screws lie in their thread design, their ability to convert rotary motion to linear motion, the precision and control they offer, their load-handling capabilities, and the specific applications they are designed for. Understanding these distinctions is essential when selecting the appropriate screw type for a particular mechanical application.

China supplier CHINAMFG C7 Precision Rolled Ball Screw with 4mm Lead for Automation Industry (TXR Series, Lead: 4mm, Shaft: 12mm)  China supplier CHINAMFG C7 Precision Rolled Ball Screw with 4mm Lead for Automation Industry (TXR Series, Lead: 4mm, Shaft: 12mm)
editor by CX 2024-03-23

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