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  • How to assemble a ball screw?
    May 06, 2024
    Shuntai explains to you the certain skills and steps required to assemble a ball screw. Here are general ball screw assembly guidelines: 1. Preparation: Keep the work area clean and tidy, and have the required tools and materials ready, such as ball screw assemblies, screws, washers, wrenches, torque wrenches, lubricants, etc. 2. Preparation before assembly: Confirm the quality and integrity of the ball screw assembly. Clean all parts of the ball screw to make sure there is no dust, grease or other impurities. 3. Install the ball nut: Slide the ball nut into the rail and make sure it is positioned correctly. Use a torque wrench to tighten the nut to the required torque value according to the manufacturer's specifications. 4. Install the end caps: Install the end caps on both ends of the ball nut, making sure they are firm and not loose. Tighten the end cap screws and use a wrench to tighten appropriately. 5. Install supports: If necessary, install supports in the middle and both ends of the ball screw. The function of the support is to increase the rigidity and stability of the ball screw. 6. Adjust the pre-tightening force: After the ball screw is assembled, the pre-tightening force of the ball nut needs to be adjusted. According to the instructions provided by the manufacturer, adjust the pre-tightening force of the nut with a wrench to ensure its normal operation during work. 7. Lubrication and Testing: After installing the ball screw, it should be lubricated. Using an appropriate lubricant, apply a thin layer of lubricant between the ball nut and rail. Then, manually operate the ball screw to make sure it runs smoothly without binding or abnormal noise. Please note that the above are only the basic steps for general ball screw assembly. The specific assembly process may vary depending on the model and manufacturer of the ball screw, so be sure to refer to and follow the appropriate manufacturer's guidelines and instructions before proceeding. If you have any other needs or questions, please contact us. We are always ready to answer your questions and welcome your consultation.
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  • Why are ball screws so expensive?
    May 09, 2024
    The main reasons why the price of ball screws is high are the following aspects: 1. High precision requirements: Ball screws are usually used in mechanical devices that require high precision, such as machine tools, robots, etc. In order to meet the requirements of these applications, ball screws need to have high positioning accuracy and repeatable positioning accuracy, which require higher process requirements and stricter quantity control during the manufacturing process, thus increasing costs. 2. High-quality materials: Ball screws are generally made of high-strength and high-hardness alloys and other materials to ensure their strength and rigidity and can withstand high loads and high-speed movements. These materials are generally more expensive and increase the manufacturing cost of the ball screw. 3. Precision processing technology: Ball screws need to be manufactured through precise processing technology, including turning, grinding, rolling and other process steps. These processes require high-precision machine tool equipment and skilled operators to complete, and these processing costs are also reflected in the price of the final product. 4. Special design and customization requirements: Some application scenarios may require specially designed and customized ball screws to meet specific working environments and requirements. This need for customization often increases production costs and engineering design costs, resulting in an increase in the price of the ball screw. To sum up, the high price of ball screws is mainly caused by factors such as their high precision requirements, high-quality materials, precision processing technology, and special design and customization requirements. By choosing Shuntai, you can get products with good quality and good price. If you are interested, please contact me.
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  • How does a recirculating ball screw transmit linear movement
    Jun 13, 2024
    A recirculating ball screw is a mechanical component used to convert rotational motion into linear motion. It consists of a threaded shaft (screw) with balls that recirculate in a nut along the threaded shaft. The nut has internal grooves that match the thread profile of the screw. When the screw is rotated, the balls roll between the screw and nut, allowing the nut to move along the screw in a linear direction. The rolling contact between the balls and the screw thread enables smooth and efficient transmission of linear movement. The balls in a recirculating ball screw are typically made of hardened steel or other durable materials. They are held within the nut by an internal mechanism (such as a ball return system) that ensures the balls circulate back to the beginning of the nut after reaching the end. The lifetime of a ball screw depends on several factors, including the load applied, the speed of operation, the orientation (horizontal or vertical), and the maintenance and lubrication practices. In general, ball screws are known for their high durability and long service life. Proper lubrication and regular maintenance can help extend the lifetime of a ball screw.
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