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What are the safety and technical problems of CNC turning?

Views: 6     Author: Site Editor     Publish Time: 2022-04-26      Origin: Site

Turning is the most widely used one in the machine manufacturing industry. The number of lathes is large, the number of personnel is large, the processing range is wide, and there are many tools and fixtures used. Therefore, the safety and technical issues of turning processing are particularly important. , its key work is as follows:

1.Chip damage and protective measures.

The various steel parts processed on the lathe have good toughness, and the chips generated during turning are rich in plastic curling and have sharp edges. When cutting steel parts at high speed, red-hot and long chips will be formed, which are very easy to hurt people, and are often wrapped around the workpiece, turning tool and tool holder. Therefore, iron hooks should be used to clean or break them in time during work. When it is necessary to stop and clear it, it is absolutely not allowed to clear it or pull it off by hand. In order to prevent chip damage, measures are often taken to break chips, control the flow of chips and add various protective baffles. The measure of chip breaking is to grind chip breaker grooves or steps on the turning tool; use appropriate chip breakers and mechanical clamping tools.

2. Mounting of workpieces.

In the process of turning, there are many accidents that damage the machine tool, break or crash the tool, and the workpiece falls or flies out due to improper clamping of the workpiece. Therefore, in order to ensure the safe production of turning processing, special attention must be paid when clamping workpieces. Appropriate fixtures should be selected for parts of different sizes and shapes, and the connection between three-jaw, four-jaw chucks or special clamps and the spindle must be stable and reliable. The workpiece should be clamped and clamped, and the large workpiece can be clamped with a sleeve to ensure that the workpiece does not shift, fall off and throw out when it rotates at high speed and is subjected to cutting force. If necessary, the top and center frame can be used to strengthen the clamping. Remove the handle as soon as it is clamped.

3. Safe operation.

Before working, check the machine tool thoroughly and confirm that it is good before use. The clamping of the workpiece and the tool ensures that the position is correct, firm and reliable. During processing, it is necessary to stop when changing tools, loading and unloading workpieces, and measuring workpieces. The workpiece should not be touched by hand or wiped with cotton silk while it is rotating. It is necessary to properly select the cutting speed, feed rate and labor depth, and do not overload processing. Workpieces, tool fixtures and sundries should not be placed on the head of the bed, tool rest and bed. When using the file, move the turning tool to a safe position, with the right hand in front and the left hand behind, to prevent the sleeves from getting caught. The machine tool must be used and maintained by a special person, and its personnel are not allowed to use it.

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