Simulation Research On The Vibration And Deformation Of Diamond Wire Sawing

The diamond wire sawing has been widely applied in the stone industry,construction and other fields from its invention for its high efficiency, good quality ofsawing, flexible and high utilization rate. In the whole process of diamond wiresawing, due to its flexible structure, the vibration is a significant phenomenon. Toomuch vibration not only causes a tremendous noise, also makes a more serious impacton the life of the wire saw, and sometimes even causes abnormal use of the wire.These are not allowed by environmental awareness, and also disadvantageous for thefurther development of the diamond wire saw. Therefore, the research on the wirevibration in the cutting process is very necessary.This topic using the finite element method establishes a simplified model of thediamond wire saw to analyze the natural frequency of diamond bead wire. At thesame time, design experiments and make analytical calculation to measure andcalculate the natural frequency of the wire saw. It’s found that the results are in goodagreement. On this basis, the influence of wire saw structure, tension and guidewheels on the natural frequency is simulated and analysed. In addition, the influenceof the load and the different processing parameters on the deformation and vibrationof diamond wire saw is analysed based on the finite element model. The mainconclusions of the experiment as follows:(1) Establish a reasonable finite element model of the diamond wire saw. Thenatural frequency of calculated using the model and experiments results are in goodagreement.(2) Fixed the other parameters, increase the length and diameter of beads, thelength of wire saw, the diameter of wire rope and the number of bead per meter willmake a decreases of natural frequency.(3) Increase the tension and install guide wheels will make the natural frequencylarger. However, with the spacing of guide wheels increasing, the natural frequencydecreases.(4)With the change of the size and position of concentrated load, uniform load and gradient load, the deformation changes. The maximum deformation caused by theconcentrated load is largest, the maximum deformation caused by the gradient load isslightly larger than the uniform load.(5) Due to the special structure of diamond wire saw, the vibration will cause in themoving process. The vibration frequency is related to linear velocity and the numberof beads per unit length. And the corresponding relationship can be expressed as: f=N*v (Hz).(6) It’s found that the main impact of diamond wire saw deformation is the load ofdiamond wiresaw bearing in sawing, and the velocity of the wire saw and the beadstructure affect the vibration frequency of the diamond wire saw.