the reason to choose us
Xihu (West Lake) Dis. CHINAMFG Industry and Trade Co.Ltd was founded in 1994,have more than 20 years experience in producting carbon steel ball,chrome steelbal and stainless steel ball.
The annual production capacity is about 7,000 ton and most of them are exported to Japan,Canada,South-Africa,Chile etc more than 10 countries and areas in the world.
Our company can product and supply all kinds of steel ball.Material can be carbon steel,chrome steel and stainless steel,The diameter is 0.2mm-25.4mm,grade is G10-G1000,and the hardness is hrc58-62.
Our steel ball mainly used for automobiles, motorcycle,bicycle,precision bearing,precision machinery and wheels,trundles etc.Meanwhile, special product can be customized according to clients request.
For any inquiry,questions or request for technical support,please do not hesitate to contact us.Looking CHINAMFG to service and cooperate with you.
Packaging & Shipping
Q1: Are you a factory or a Trade Company?
A: We are factory and have Hi-Tech and capable production line.
Q2: What's your advantage? Why we choose you?
A: we have more than 20 years balls manufacture experience, have large stock and wide size range.
Q3:Could you supply samples? Is it free or extra?
A:Yes, We can provide free samples and you just need to payment freight costs.
Q4:Where do you export?
A: Our products are exported to over 40 countries and regions including USA, Korea, Japan, Malaysia, Australia, Canada and South Africa, and so on.
Q5:Could you tell me the delivery time of your goods?
A:5-10 days stock goods and other goods according to the quantity of about 15-20days.
Q6:What's the packaging?
A:There are Plastic boxes,Carton, Steel Drum or as Customer′s Demand.
Q7:What's your payment way?
A:We accept the TT,Payment=1000USD, 30% T/T in advance,balance payment before shippment.
How do you determine when a screw ball needs to be replaced?
Determining when a screw ball, also known as a ball screw, needs to be replaced requires careful assessment of its condition and performance. Several factors should be considered to determine if replacement is necessary. Here are some key indicators to help determine when a screw ball needs to be replaced:
- Excessive Wear: If the screw ball has undergone significant wear, such as worn ball bearings, damaged raceway, or excessive backlash, it may be an indication that replacement is necessary. Visual inspection and measurements of critical dimensions can help assess the extent of wear and determine if it has reached a point where replacement is warranted.
- Reduced Performance: A noticeable decline in the performance of the screw ball assembly, such as decreased positioning accuracy, repeatability, or load-carrying capacity, can indicate the need for replacement. If the system is no longer meeting the required specifications or is unable to perform its intended function reliably, replacement should be considered.
- Severe Damage: If the screw ball has suffered severe damage, such as fractures, deformations, or extensive pitting and corrosion, it is likely beyond repair and should be replaced. Severe damage can compromise the structural integrity and functionality of the assembly, leading to safety risks and unreliable operation.
- Frequent Failures: If the screw ball assembly is experiencing frequent failures or breakdowns, even after repairs or maintenance efforts, it may indicate that the wear and tear have reached a critical point. Frequent failures can result in costly downtime, reduced productivity, and increased maintenance costs. In such cases, replacing the screw ball assembly can be a more cost-effective solution in the long run.
- Unrepairable Issues: Certain issues with the screw ball assembly may be unrepairable or uneconomical to fix. For example, if the assembly has been subjected to severe contamination or exposure to corrosive substances that have caused irreversible damage, replacement may be the only viable option. Similarly, if critical components or specialized parts are no longer available or obsolete, replacement may be necessary.
- Manufacturer's Recommendations: It is important to consult the manufacturer's recommendations and guidelines regarding the expected lifespan and replacement intervals for the specific screw ball product. Manufacturers often provide guidelines on the maximum allowable wear, recommended maintenance practices, and replacement criteria. Adhering to these recommendations can help ensure safe and reliable operation.
It is crucial to thoroughly assess the condition of the screw ball assembly and consider the impact of its performance on the overall system. Regular inspection, maintenance, and monitoring can help identify signs of wear, damage, or decline in performance. If any of the above indicators are present, consulting with experts or the manufacturer can provide valuable insights and guidance on whether replacement is necessary.
When replacing a screw ball, it is important to select a suitable replacement that meets the application requirements, including load capacity, accuracy, speed, and environmental considerations. Proper installation, lubrication, and maintenance of the new screw ball assembly are also essential to ensure optimal performance and longevity.
What are the advantages of using a screw ball in mechanical assemblies?
Using a screw ball, also known as a ball screw, in mechanical assemblies offers several advantages over other types of linear motion systems. These advantages make screw balls a popular choice in various applications that require precise and efficient linear motion. Here are some key advantages of using a screw ball:
- High Efficiency: Screw balls are designed for high efficiency in converting rotational motion into linear motion. The rolling contact between the ball bearings and the raceway reduces frictional losses, resulting in improved power transmission and energy efficiency compared to systems with sliding friction.
- Precision and Accuracy: Screw balls provide high levels of precision and accuracy in linear motion. The combination of a specialized thread configuration and ball bearings minimizes axial play and backlash, resulting in precise positioning and repeatability. This makes screw balls ideal for applications that require accurate and reliable motion control.
- Load-Carrying Capacity: Screw balls are designed to handle higher loads compared to other linear motion systems. The presence of ball bearings distributes the load evenly along the screw shaft, reducing stress concentrations and allowing for increased load-carrying capability and improved rigidity.
- Longevity and Durability: Screw balls are constructed from materials such as steel or ceramics, chosen for their durability and strength. These materials provide excellent resistance to wear, corrosion, and fatigue, ensuring long service life and reliable performance even in demanding operating conditions.
- Backlash Reduction: Backlash, which refers to the amount of free motion or play between the screw and the nut, is minimized in screw ball systems. This reduction in backlash enhances system responsiveness, eliminates positioning errors, and improves overall accuracy in applications that require precise control.
- High-Speed Capability: Screw balls can operate at high speeds while maintaining accuracy and stability. The rolling contact between the ball bearings and the raceway reduces friction, enabling smooth and efficient motion even at high rotational speeds.
- Low Maintenance: Screw balls require minimal maintenance compared to other types of linear motion systems. Proper lubrication and periodic inspections are typically sufficient to ensure optimal performance and longevity. The reduced maintenance requirements contribute to cost savings and increased uptime in industrial and automation applications.
- Compact Design: Screw balls offer a compact and space-saving design for linear motion applications. The axial arrangement of the screw and ball nut allows for a more compact assembly, making them suitable for installations with limited space constraints.
These advantages make screw balls well-suited for a wide range of applications, including robotics, CNC machinery, semiconductor equipment, aerospace systems, and medical devices, where precise linear motion control and high efficiency are critical.
When considering the use of screw balls in mechanical assemblies, it is essential to evaluate the specific requirements of the application, including load capacity, speed, accuracy, and environmental conditions. Consulting the manufacturer's documentation, technical specifications, or seeking professional advice can help in determining the suitability of screw balls for a given mechanical assembly.
How do you select the right size of a screw ball for a specific application?
Selecting the right size of a screw ball, or screw, for a specific application involves considering several factors that influence the functionality and performance of the screw. Here are some key considerations when determining the appropriate size:
- Thread Type: The first step in selecting the right screw size is to determine the thread type required for the application. Common thread types include machine screw threads, wood screw threads, self-tapping screw threads, and sheet metal screw threads. Each thread type has specific dimensions and characteristics that influence the choice of screw size.
- Diameter: The diameter of the screw is a critical factor in determining its size. It is typically measured as the major diameter, which is the outside diameter of the threaded portion of the screw. The diameter should match the size of the hole or the material being fastened. Using a screw with the correct diameter ensures proper thread engagement and adequate holding strength.
- Length: The length of the screw is determined by the thickness of the materials being joined. The screw should be long enough to penetrate through the first material and provide sufficient engagement in the second material to create a secure connection. It is important to consider the total thickness of the materials and any additional components, such as washers or spacers, when determining the appropriate screw length.
- Head Type: The head type of the screw should also be considered for specific applications. Common head types include flat head, pan head, round head, and countersunk head. The choice of head type depends on aesthetic preferences, flushness requirements, and the type of tool used for installation.
- Material: The material of the screw should be selected based on the application's environmental conditions and the materials being fastened. Different materials offer varying levels of corrosion resistance, strength, and compatibility with specific materials. Common screw materials include stainless steel, carbon steel, brass, and aluminum.
- Load and Application: Consider the anticipated load and the specific application requirements. If the screw will be subjected to heavy loads or vibrations, it may be necessary to choose a larger size or a screw with additional features like locking threads or increased tensile strength.
When selecting the right size of a screw ball, it is essential to consult the manufacturer's specifications, guidelines, or engineering resources specific to the application. These resources often provide detailed information on recommended screw sizes based on the intended use, material compatibility, and load requirements.
It is also advisable to consult with professionals, such as engineers or experienced tradespeople, who have expertise in the specific application or industry. They can provide valuable insights and recommendations based on their experience and knowledge of best practices.
By considering factors such as thread type, diameter, length, head type, material, load, and application requirements, the appropriate size of a screw ball can be selected to ensure optimal performance, durability, and reliability in a specific application.
editor by CX 2023-12-01