What Are the Safety Operating Procedures for China CNC lathe machines?

Ⅰ. Inspection before starting the China CNC lathes

1. Add appropriate lubricating grease according to the CNC lathes lubrication chart.

2. Check all electrical facilities, handle, transmission parts, protection and limit devices are complete, reliable and flexible.

3. Each gear should be in zero position, and the belt tension should meet the requirements.

4. It is not allowed to store metal objects directly on the bed surface of CNC lathes, so as not to damage the bed surface.

5. The workpiece to be processed is free of sediment, preventing sediment from falling into the pallet and wearing down the guide rail.

6. Before the unprocessed parts, an empty car test run must be carried out. After confirming that everything is normal, the workpiece can be loaded.

Ⅱ. Operating procedures of China CNC lathes

1. After the workpiece is installed, first start the lubricating oil pump to make the oil pressure reach the requirements of the CNC lathe machine before starting.

2. When adjusting the exchange gear frame, when adjusting the hanging wheel, the power supply must be cut off. After the adjustment, all bolts must be tightened, the wrench should be removed in time, and the workpiece should be disconnected for trial operation.

3. After loading and unloading the workpiece, the chuck wrench and the floating object of the workpiece should be removed immediately.

4. Adjust the tailstock and crank handle of the machine tool to the appropriate position according to the processing needs, and tighten or clamp it.

5. Workpieces, tools and fixtures must be firmly installed. The floating force tool must drive the guide part deep into the workpiece before the machine can be started.

6. When using the center frame or the tool rest, the center must be adjusted well, and there should be good lubrication and support contact surface.

7. When processing long materials, the protruding part behind the main shaft should not be too long.

8. When feeding the knife, the knife should approach the work slowly to avoid collision; the speed of the carriage should be uniform. When changing the tool, the tool and the workpiece must maintain a proper distance.

9. The cutting tool must be fastened, and the extension length of the turning tool generally does not exceed 2.5 times the thickness of the tool.

10. When processing eccentric parts, there must be an appropriate counterweight to balance the center of gravity of the chuck, and the speed should be appropriate.

11. There must be protective measures for workpieces that are beyond the fuselage.

12. The tool setting adjustment must be slow. When the tool tip is 40-60 mm away from the workpiece processing part, manual or working feed should be used instead, and rapid feed is not allowed to directly eat the tool.

13. When polishing the workpiece with a file, the tool holder should be retracted to a safe position, and the operator should face the chuck, with the right hand in front and the left hand behind. There is a keyway on the surface, and the workpiece with a square hole is not allowed to be processed with a file.

14. When polishing the outer circle of the workpiece with emery cloth, the operator should hold the two ends of the emery cloth with both hands to polish according to the posture specified in the previous article. It is forbidden to use your fingers to hold the abrasive cloth to polish the inner hole.

15. When the knife is automatically moved, the small knife holder should be adjusted to be flush with the base to prevent the base from hitting the chuck.

16. When cutting large and heavy workpieces or materials, sufficient machining allowance should be left.

Ⅲ. Stop operation of  China CNC lathes

1. Cut off the power supply and remove the workpiece.

2. The handle of each part of the CNC lathes knocks down the zero position, counts the tools and utensils, and cleans it.

3. Check the protection devices of various parts of the CNC lathes.

Ⅳ. Matters needing attention in the operation of China CNC lathes

1. It is strictly forbidden for non-workers to operate industrial lathes.

2. It is strictly forbidden to touch the tool, the rotating part of the machine tool or the rotating workpiece during operation.

3. It is not allowed to use emergency stop. In case of emergency, after using this button to stop, it should be checked again according to the regulations before starting the industrial lathe.

4. It is not allowed to step on the guide rail surface, screw rod, polished rod, etc. of the lathe. Except for the regulations, it is not allowed to use the foot instead of the hand to operate the handle.

5. For parts with blisters, shrinkage holes or keyways on the inner wall, it is not allowed to use a triangular scraper to cut the inner hole.

6. The compressed air or liquid pressure of the pneumatic rear hydraulic chuck must reach the specified value before it can be used.

7. When the lathe turns slender workpieces, when the length of the front two sides of the head of the bed exceeds 4 times the diameter, the top should be used according to the process regulations. Paid with center rest or with knife rest. Guards and warning signs should be added when protruding behind the head of the bed.

8. When cutting brittle metal or cutting easy-splashing type (including grinding), protective baffles should be added, and the operator should wear protective glasses.

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