Machine tool accessories chuck maintenance method - Database & Sql Blog Articles

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The number of joints is high and the jaw wear is accelerated, causing the chuck gap to be too large.
1. In order to keep the lathe chuck in constant use, there is still good precision, and lubrication work is very important. Improper or improper lubrication will cause problems such as improper function at low pressure, weak clamping force, poor clamping accuracy, abnormal wear and jam, so the chuck must be properly lubricated.
2, at least once a day, molybdenum disulfide grease (black color), the grease into the chuck nozzle until the grease overflows the jaw surface or the inner hole of the chuck (the inner hole protection sleeve and the joint nut), but if When the chuck is rotated or a large amount of water-based cutting oil is used in processing, more lubrication is required, which is determined according to different conditions.
3. When the work is finished, be sure to clean the chuck body and the slide surface with a wind gun or similar tool.
4, at least every 6 months to remove the chuck to disassemble and clean, keep the sliding surface of the jaws clean and lubricate, so that the life of the chuck increases. However, if the cast iron is cleaned at least once or twice every 2 months, check whether the parts are broken or worn. In severe cases, replace the new one immediately. After the inspection is completed, it is necessary to fully supply oil to form a group.
5, for different workpieces, you must use different clamping methods or choose to make special fixtures. The three-jaw chuck is only a general-purpose type of jig, and it is used to clip irregular or strange workpieces, which will cause damage to the chuck! If the chuck pressure is not normal, the chuck will be under high pressure, or the machine The chuck will also clamp the workpiece after shutting down, which will reduce the life of the chuck! So when you find that the chuck gap is too large, you must replace the new chuck immediately.
6. Use the anti-rust effect cutting oil to prevent rust inside the chuck, because the rust of the chuck will reduce the clamping force and will not clamp the workpiece.