Causes and solutions of sparks in diamond segment cutting

In the process of diamond saw blade cutting stone, sparks often appear, especially sometimes accompanied by thick smoke and water mist. However, it is obvious that there are certain problems in the cutting process of the diamond segment of the saw blade. The following will help you find a reasonable solution based on various reasons for such situations.
1: The rock formation of the stone material changes. The specific performance is that in the process of cutting stone, most of the time it works normally, but occasionally this kind of situation occurs, and the duration is not long. In other words, although this situation will cause sparks for a long time, the sparks short duration, intermittent and not fixed. Then it is generally caused by a large change in the rock formation of the stone, such as a certain part with extremely hard rock or rock containing metal ore. The most typical case is the Chinese granite stone "Night Rose", which always exists for a long time during the cutting process. This kind of cutting phenomenon, this kind of stone with rock formation changes has higher requirements for the through-cutting performance of the saw blade, so there are higher requirements for the ratio of matrix and diamond. If you want to improve this kind of problem, you need to mix soft, medium, and Hard stones need to adapt to the matrix strength and wear resistance, and more mixing attempts should be made to the particle size of the diamond powder.

2: The carcass contains more iron, and the diamond segment is overloaded. In the process of cutting stone, this kind of diamond segment will produce sparks most of the time, but due to the adjustment of cutting strength or cutting parameters, the phenomenon of sparks may be large or small, so it will appear if it is working normally or under low load. Under normal circumstances, the performance of the diamond segment is relatively normal, but when the speed is increased or the depth of the cutter is increased, especially when the motor current suddenly increases, the diamond segment will show a very obvious spark, and this situation will last for a long time. As time goes on, unless the cutting speed is reduced or the cutting parameters are lowered, this situation can be improved. Such a situation is mainly due to the fact that the feed speed of the saw blade is too fast, and the temperature of the diamond segment of the saw blade heats up rapidly. The friction process between the iron element of the diamond segment and the stone will generate huge sparks, which is actually a part of the overheating and stripping of the iron element. This is a normal phenomenon, but the diamond segment in this state has a bad influence on the life and cutting efficiency of the saw blade, so it is a better cutting state to keep the saw blade in a normal state without obvious sparks as much as possible.

3: Too little water supply. In this case, a large number of sparks will be generated during the stone cutting process, and as the cutting time increases, the amount of sparks will increase. No matter how the cutting parameters are adjusted, the amount of sparks will always increase. Water needs to be added during the stone cutting process, mainly for cooling and chip removal. Under normal cutting conditions, a large amount of heat generated by the diamond segment during the cutting process will be quickly taken away by the cooling water and adjusted. The segment itself acts as a cooling device. And during the cutting process, a large amount of stone chips will be washed away with the water flow. However, if the water supply is too small, the diamond segment cannot be cooled, and the stone chips that cannot be discharged will grind the diamond segment many times. In this case, the temperature of the diamond segment will further increase. When the temperature of the diamond segment reaches a certain level. At this time, the diamond segment begins to soften, and even the color changes obviously. It is very normal for such a diamond segment to have sparks during the cutting process. The solution is also very simple. While increasing the water intake, the water flow can be distributed more evenly, so that the water flow can be divided more evenly.

4: The sharpness of the diamond segment is not high. The main performance is that when the stone is being cut, the saw blade cannot cut the stone at all, but during the cutting process, the mechanical rotation is relatively fast, and the diamond segment is consumed very quickly, but there is almost no tailing on the sawtooth surface. The main performance is that during the cutting process of stone, the strength of diamond is not high. During the process of cutting stone, a large number of diamonds are broken. The broken diamond cannot be cut during the process of cutting stone. Friction, a large amount of friction occurs between the iron element in the diamond segment and the shedding diamond, and sparks appear on the diamond segment caused by the lack of sharpness.
The sparks of the diamond segment in cutting stone are mainly due to the above four reasons. The core problem is to improve the sharpness of the diamond segment, cooperate with an appropriate amount of water flow and reasonable cutting parameters, and cut suitable cutting objects to avoid such problems. However, sometimes sparks in saw blade cutting are not necessarily a bad thing, sometimes sparks can alert people to adjust parameters, so that the diamond segment has a higher cutting life.