Diamond wire saws are cutting tools used in conjunction with diamond wire saw machines; the linear speed of the wire is closely linked to cutting efficiency. Does a higher speed necessarily result in higher cutting efficiency? How should the linear speed be determined for different operating conditions?

 

 

During quarrying operations, the linear speed of the wire saw should be reduced as the hardness of the stone and the cutting area increase. When cutting hard stone or dealing with a large cutting area, the linear speed should be lowered. Conversely, the speed can be increased when cutting soft stone or when the cutting area is relatively small.

 

Generally, the linear speed for quarrying marble is 38–40 m/s; for hard marble varieties like serpentinite, it is 32–38 m/s; for soft granite, it is 22–30 m/s; and for hard granite, it is 20–33 m/s. The optimal linear speed for quarrying should be determined through testing and analysis based on the specific type of stone being quarried.

 

 

During shaping and slab cutting, the linear speed is determined based on factors such as the stone type and the dimensions (length) of the raw block.

 

For standard cutting operations, the recommended linear speeds are 24–26 m/s for granite and 30–32 m/s for marble. The harder the stone or the longer the cutting face of the block, the lower the linear speed should be. Excessive linear speed can cause the wire saw beads to become dull, while insufficient speed can cause the beads to wear into an elliptical or conical shape.