China manufacturer CHINAMFG Rolling Miniature Ball Screw for Robot Parts (BSD Series, Lead: 2mm, Shaft: 4mm)

Product Description

 BSD Series Stepped Cold Rolled Ball Screw (C5/Ct7)
 

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 BSD series(standard stepped cold rolled ball screw) are based on C5 and Ct7(JIS B 1192-3). According to accuracy grade, Axial play 0.005(Preload :C5) and 0.02mm or less(Ct7).

Material & Surface Hardness
 
BSD series (Standard Stepped cold rolled 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 BSD series (stepped cold rolled ball screw) 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: C5/C7
Screw Diameter: 4mm
Flange: With Flange
Nut Number: Single
Rows Number: 3-Row
Nut Type: Stepped Type
Customization:
Available

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worm screw

What maintenance is required for worm screw gear systems?

Maintaining worm screw gear systems is essential to ensure their smooth operation, longevity, and optimal performance. Here are the key maintenance tasks typically required for worm screw gear systems:

  1. Lubrication: Proper lubrication is crucial for reducing friction, wear, and heat generation in worm screw gear systems. Regularly monitor lubricant levels and follow the manufacturer’s recommendations for lubrication intervals and types of lubricants to use. Inspect lubricant quality and cleanliness, and replenish or replace the lubricant as needed. Pay attention to proper lubrication in both the worm screw and the worm wheel to ensure efficient torque transmission and minimize wear.
  2. Cleaning: Regularly clean the worm screw gear system to remove dirt, debris, and contaminants that can accumulate on the threads, teeth, and other contacting surfaces. Use appropriate cleaning methods and solvents recommended by the manufacturer. Ensure that the cleaning process does not damage the components or compromise the lubrication system.
  3. Inspection: Conduct routine inspections to identify any signs of wear, damage, or misalignment in the worm screw gear system. Check for excessive backlash, abnormal noise, vibration, or irregularities in operation. Inspect the teeth, threads, and other critical areas for signs of wear, pitting, or scoring. If any issues are detected, take appropriate measures to address them promptly, such as adjusting the backlash or replacing worn components.
  4. Alignment: Proper alignment is crucial for the optimal performance and longevity of worm screw gear systems. Periodically check and adjust the alignment of the worm screw and the worm wheel to ensure smooth and efficient meshing. Misalignment can result in increased friction, wear, and reduced performance. Follow the manufacturer’s guidelines for alignment procedures and use precision measurement tools as necessary.
  5. Load Distribution: Monitor the load distribution across the teeth of the worm wheel. Uneven load distribution can lead to premature wear and failure of the system. If necessary, adjust loads, redistribute the load by using multiple worm screws, or consider using additional supporting mechanisms to ensure uniform load distribution.
  6. Temperature Monitoring: Keep an eye on the operating temperature of the worm screw gear system. Excessive heat can indicate problems such as inadequate lubrication, overloading, or inefficiencies. Monitor temperature using appropriate sensors or thermal imaging techniques and take corrective actions if the temperature exceeds recommended limits.
  7. Periodic Overhaul: Depending on the application and usage conditions, consider scheduling periodic overhauls or maintenance intervals for the worm screw gear system. During these overhauls, disassemble the system, inspect components thoroughly, replace worn or damaged parts, reassemble with proper lubrication, and perform necessary adjustments. The frequency of overhauls will depend on factors such as operating conditions, loads, and manufacturer recommendations.
  8. Documentation: Maintain proper documentation of maintenance activities, including lubrication schedules, inspection records, repair or replacement history, and any troubleshooting performed. This documentation provides a valuable reference for future maintenance, helps identify recurring issues, and enables better tracking of the system’s performance over time.

It’s important to note that specific maintenance requirements may vary depending on the design, materials, operating conditions, and manufacturer recommendations for the worm screw gear system. Always refer to the manufacturer’s documentation and guidelines for the particular system being used, and consult with experts or maintenance professionals if needed.

worm screw

How does the pitch of a worm screw affect its performance?

The pitch of a worm screw plays a crucial role in determining its performance characteristics and capabilities. The pitch refers to the axial distance between consecutive threads on the worm screw. Here’s how the pitch of a worm screw affects its performance:

  • Speed and Efficiency: The pitch of a worm screw directly influences the speed and efficiency of the worm gear system. A smaller pitch, which means a finer thread, results in a higher gear ratio and slower output speed. Conversely, a larger pitch, or coarser thread, leads to a lower gear ratio and faster output speed. This relationship between pitch and speed allows for speed reduction or multiplication in mechanical power transmission systems.
  • Load Capacity: The pitch of a worm screw also affects its load-carrying capacity. A finer pitch tends to distribute the load over more threads, resulting in a larger contact area between the worm screw and the worm wheel. This increased contact area improves load distribution and allows for higher load capacity. Coarser pitches, on the other hand, may have a reduced contact area, which can limit the load-carrying capability of the worm gear system.
  • Backlash: Backlash is the clearance or play between the threads of the worm screw and the teeth of the worm wheel. The pitch of a worm screw influences the amount of backlash present in the system. A finer pitch generally results in lower backlash due to the smaller clearance between the threads and the teeth. In contrast, coarser pitches may have increased backlash, which can negatively impact the system’s accuracy, precision, and responsiveness.
  • Efficiency and Heat Generation: The pitch of a worm screw affects the overall efficiency of the worm gear system. Finer pitches tend to have higher efficiency due to reduced sliding friction between the threads and the teeth. This reduced friction results in less heat generation, contributing to higher overall system efficiency. Coarser pitches, on the other hand, may exhibit increased sliding friction, leading to higher energy losses and heat generation.
  • Manufacturing and Design Considerations: The pitch of a worm screw also influences the manufacturing process and design considerations. Finer pitches generally require more precise machining or grinding processes to achieve the desired thread geometry. Coarser pitches, on the other hand, may offer advantages in terms of ease of manufacturing and reduced sensitivity to manufacturing tolerances. The selection of the optimal pitch depends on factors such as the desired gear ratio, load requirements, desired efficiency, and manufacturing capabilities.

It’s important to note that the pitch of a worm screw is typically specified by the manufacturer and should be chosen carefully based on the specific application requirements. Consulting with experts or engineers familiar with worm gear systems can help in selecting the appropriate pitch to achieve the desired performance and functionality.

worm screw

What are the typical applications of worm screws in machinery?

Worm screws, also known as worm gears or worm gear screws, have a wide range of applications in machinery where motion transmission and torque multiplication are required. Their unique characteristics make them suitable for various industries and applications. Here are some typical applications of worm screws in machinery:

  • Conveyor Systems: Worm screws are commonly used in conveyor systems to control the movement of materials. They provide precise speed reduction and torque multiplication, allowing for efficient transportation of goods in industries such as manufacturing, packaging, and logistics.
  • Lifting Mechanisms: Worm screws are extensively used in lifting mechanisms, such as screw jacks or worm gear lifts. They provide reliable and controlled vertical motion for lifting heavy loads in applications like automotive service garages, construction sites, and material handling equipment.
  • Winches and Hoists: Worm screws are employed in winches and hoists to provide high torque and controlled lifting or pulling operations. They are commonly used in applications such as cranes, marine equipment, elevators, and stage rigging.
  • Rotary Actuators: Worm screws are utilized in rotary actuators to convert the input rotary motion into a controlled rotary output motion. This makes them suitable for applications like valve actuators, positioning systems, and robotic joints.
  • Automotive Applications: Worm screws find use in automotive applications, particularly in steering systems. They are employed in steering gearboxes to convert the rotary motion from the steering wheel into the lateral motion required for steering the vehicle.
  • Machine Tools: Worm screws are used in machine tools, such as milling machines, lathes, and drill presses, to control various linear and rotary movements. They provide precise positioning and motion control for cutting, shaping, and drilling operations.
  • Printing and Packaging Machinery: Worm screws are employed in printing and packaging machinery to control the movement of printing heads, cutting blades, and packaging components. They ensure accurate and synchronized motion for high-quality printing and packaging processes.
  • Robotics: Worm screws are utilized in robotics for precise and controlled motion in robotic arms, grippers, and other robotic mechanisms. They enable accurate positioning and smooth motion control in industrial automation and robotic applications.

These are just a few examples of the typical applications of worm screws in machinery. Their ability to provide high gear reduction ratios, precise motion control, and self-locking characteristics make them suitable for a wide range of industries, including manufacturing, construction, automotive, robotics, and many others where efficient power transmission and controlled motion are essential.

China manufacturer CHINAMFG Rolling Miniature Ball Screw for Robot Parts (BSD Series, Lead: 2mm, Shaft: 4mm)  China manufacturer CHINAMFG Rolling Miniature Ball Screw for Robot Parts (BSD Series, Lead: 2mm, Shaft: 4mm)
editor by Dream 2024-05-14

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