There are roughly the following reasons for the incomplete tool change action. One is the lack of air pressure, the second is the sudden power failure, the third is the deviation of the tool position, and the fourth is the manual reset.
For the above reasons, check whether the engraved air compressor is on strike, whether the circuit is faulty, whether there is oil in the hydraulic oil cup on the top of the main shaft, and if not, fill it up in time. For some old machine tools, because of the age, after the machine has been running for a period of time, the position of the tool will be deviated. It is relatively troublesome to rotate the fourth axis with the handwheel, and it is best to have a professional to complete it.
If the tool changer arm is stopped in the air, after checking the electrical error, start to do some processing actions. The first step is to remove the cutter head on the rotating arm by holding the cutter head in one hand and pressing the cylindrical boss on the top of the rotating arm (near the side of the cutter head) with the other hand. This step is very important. The second step is to raise the spindle position and find the position of the tool magazine motor. There is an iron wire about 3.5mm thick on the motor (outer part), which is the brake device, lift it up to release the brake. The third step is to use a wrench to twist the hexagonal cylinder above the tool magazine motor. You can see that the rotating arm under the tool magazine also rotates until it returns to the original position and the machine alarm is released. Do it with confidence, because there is no rotating arm. Knife. The fourth step, after the third step is completed, be sure to put the brake device back to its original position.
