Six Basic Principles Of Ball Screw Repair You Need To Understand

Six Basic Principles Of Ball Screw Repair You Need To Understand

Ball screw repair follows 6 essential principles which include lubrication, examination of the ball screw's initial condition, extensive cleaning, rebuilding the ball screw assembly, extended testing, and refurbishing. Ball screws are used in highly-specialized industries such as aircraft, missiles, machinery, precision assembly equipment and robotics industries. Ball screw components need to be regularly checked and repaired to ensure optimum performance and to troubleshoot failures, since these industries are technical in nature. Although there might be varied causes of ball screw failures there are essential principles in repairing them. To know the way to repair ball screw, it is important to understand these principles. Applying a lubricant One of the most common factors that contribute to ball screw failure is routine wear or poor surface finish. This happens when the re-circulating ball screw surface is exposed to continuous contact with the hard surface of the ball screw shaft. Over time, the ball screw surface becomes eroded and worn down. The principle of lubrication is meant to provide a solution to this problem and helps maximize ball screw performance and service life. Choosing the best lubricant is very important in order to best match the conditions of the component. It is important to bear in mind that too much lubrication is not good since it can cause much pressure to ball nut return system and make the tube to experience bursting. Consider the condition of ball screw before beginning to repair Prior to making any changes to the ball screw, examining its original condition is crucial. Checking the ball screw's drag torque and free running condition is included in this principle. Checking the main points that make a ball screw achieve its optimum performance is essential. This principle is necessary to determine whether the ball screw is still in repairable condition. Large area cleaning Prior to repairing the ball screw component, it must be cleaned. First the extent of the ball screw track is polished, and then ultrasonic cleaning and high-pressure washing are used to remove built-up grease and grime. Repairing the assembly for the ball screw Micro-graded precision ball bearings which are above the accurate size have to be rebuilt with the use of the ball screw assembly. This will help in getting an acceptable pre-load level, which also fits the DIN requirements. Multiple examinations For extended testing, ball screw units undergo these tests. On motorized testing rigs, the running performance of ball screws is tested. To determine whether a ball screw meets the required standards and criteria extended testing is found to be helpful. You need to make a compilation of report when the ball screw testing passes the standard. Some of the details which should be included in the report are drag torque graphs and other essential data. Giving it an overhaul You can use hard-chrome plating or metal spraying to refurbish bearing end journals. Afterward, they use a precision universal grinder to regrind. If needed, repairing thread forms are sometimes refurbished following a thorough checking and cleaning process. Fixing key ways, wiper seals and other smaller components can be accomplished by cleaning and refurbishing them, if necessary. The essential function of proper ball screw repair and maintenance is that it helps the device and operations successful and efficient.

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