When we design the tungsten carbide rock drilling button which is applied to the rock drilling bits, the button can be parameterized. And then we can do the virtual design with the use of Finite Element Analysis software. It can shorten the product development cycle and reduce the cost of product testing.
Among the tungsten carbide buttons of which diameter 16 and the height is 25, chisel buttons own the highest level of press concentration and the dome buttons own the lowest level. As for the parabolic teeth, under the same conditions, the maximum stress does not decrease as the reference cone angle decreases.
Moreover, in practical applications, the stress distribution of the dome button is even, and the maximum stress of the dome button is also the lowest among three button types. With the increase of the intrusive arc, the maximum stress decreases gradually. As the parabolic button with the same intrusive arc and the same height of button head, the maximum stress decreases as the reference cone angle decreases. Its maximum stress does not decrease as the reference cone angle decreases. When the intrusive angle is rather small, the level of press concentration of the chisel button is relatively high.
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