When adjusting the speed of the machine, clamping the workpiece, cutting tool, and wiping the machine, it must be stopped. It is forbidden to leap across the rotating part of the machine tool, pass and take tools, etc.
When loading and unloading chucks and large tools and fixtures, the bed surface should be padded with wood, and the two should work closely together.
When using a file to polish the workpiece, the body should leave the chuck. It is forbidden to polish the workpiece with abrasive cloth. It is not allowed to chamfer with a file when the inner hole of the car is used, and it is not allowed to extend the finger arm to polish when the inner hole is polished with emery cloth.
When machining eccentric workpieces, the balance iron must be added, and it must be firm and firm, and the brakes should not be too strong.
When cutting large materials, there should be enough margin to prevent the material from falling and hurting. When the small material is cut, it is not allowed to be connected by hand.
Carefully check whether the protection, insurance, mechanical transmission part, electrical part protection device and chuck on the machine tool are safe and reliable, and whether the electrical switch and handle are in the normal position.
Refuel according to the lubrication chart of the machine tool, run for 12 minutes at idle, and check the oil window and other parts.
The work clamp, tool and workpiece must be clamped firmly, and a long sleeve can be used for clamping. It is forbidden to beat the hammer with the hammer. The jaws of the sliding wire are not allowed to be used. When changing the square tool holder, the distance between the chuck, the workpiece and the knife should be paid attention to. It is forbidden to let go of work, measuring tools or other objects on the head of the bed, the small knife holder, the bed surface and the slide surface.
For cnc machining slender workpieces, a thimble and a follower holder are required, and the protruding part of the front of the turning head must not exceed 20 times the diameter of the workpiece. There must be a bracket when the rear of the head is extended by 300mm, and it is necessary to install a protective railing.
After the machine tool is started, it is necessary to stand in a safe position to avoid the movement of the machine tool and the splash of iron filings. It is not allowed to remove iron filings by hand, special tools should be used.
It is forbidden to leave the work position when the machine tool is running. When leaving for some reason, the instrument network must be stopped and the power supply must be cut off.
Wear protective equipment and tie up cuffs as required before work. Do not wear scarves or gloves. The female worker’s braid should be held in the hat. Wear protective glasses when cutting at high speeds.