Advantages and technical difficulties of diamond rope saw

The ancient blasting mining, both serious environmental damage and waste of resources. At present, the most popular mining method is diamond rope saw mining.

With the localization of Diamond rope saw. The market competition for diamond wire - saw machine suddenly became fierce. The appearance of this phenomenon indicates that the era of the popularization of diamond rope saws in Chinese stone mines has come, which will bring revolutionary progress to the improvement of Chinese stone mining level.

Compared with the traditional mining method of "blasting + flame cutting", the advantages of using the rope saw in stone mining are as follows:

1. Wide adaptability, rope saws are applicable to all types of mines, while flame cutting is only applicable to granite mines with high quartz content and less cracks.

2. Powerful functions and high efficiency. First, the mining depth is deep and can reach l0 ~ 20m or even deeper. Secondly, the cutting speed is fast, generally reaching 3 ~ 4m2 / h, which is 2 ~ 3 times of flame cutting.

3. The rope saw can cut in all directions, such as vertical, horizontal, and inclined plane, and can also be cut blind, while the flame cutting can only be cut in vertical plane.

4. High completion rate and low overall cost. Firstly, the cutting surface of the rope saw is very smooth and will not cause any internal injury to the waste materials. However, the cutting surface of flame cutting is rough and rough, and causes certain internal injury to the waste material. Besides, the large saws, usually ranging from 100 to 300mm, cause great waste of resources and high mining cost.

5. Safe and environmental protection: rope saw mining is noiseless and dust-free, and it does not affect nearby residents and other operating surfaces. Besides, it is highly automatic with separate control and low labor intensity and high safety. However, the noise and dust of flame cutting are very large, which seriously affects the work of nearby residents and other workers. Besides, the labor intensity of workers is high and the safety is relatively low. To sum up, in today's increasingly scarce resources and soaring oil prices, mining granite with rope saws has remarkable economic and social benefits.

A variety of factors related to diamond saw include: the sawing life of beads, the cutting speed of beads, the spacing between beads on the saw, the die design, and the life of steel rope under normal working conditions.

The most common questions

1. The most common problem that the rope saw cannot cut and use is improper selection of diamond (usually too good diamond), matrix, bead spacing, mold design or wrong application parameters. For example, if we choose too high diamond density or too good diamond, its sawing performance is not very good. The diamond will not shatter, making it difficult to produce new sharp edges.

2. Saw fracture saw wire rope fracture, usually is to use the wrong application parameters or rope saw the poor quality, which means that the plastic/rubber and combination between diamond beads not firm, lead to debris into diamond saw rope, quickly magma or cuttings in beaded steel body with steel rope part contact and friction between steel rope, steel rope connection thread begin to fracture, which may be due to errors using settlement agent. It may also be due to improper selection of wire rope, beaded steel body and poor heat treatment after injection molding.

3. Peeling off. If the cutting layer of the bead falls off from the steel body, the improper selection of the tire body or the wrong sintering parameters are usually used. Improper cold pressing is often used as a cause of spalling. Paraffin may also be infiltrated between the metal matrix and the beaded steel due to improper dewaxing. Sometimes the problem is also related to improper cleaning of beads.

Loose beads and loose beads are usually a sign of trouble during injection molding. It may be due to improper use of steel wire ropes, or due to internal contamination of diamond beads or improper cleaning, which may lead to poor bonding between beads and injection/rubber.