Why the cutting wheels on the face of a tunnel boring machine are irregularly placed rather than set in symmetrical spirals?

Question

Why the cutting wheels on the face of a tunnel boring machine are irregularly placed rather than set in symmetrical spirals?

In: 25

Answer 1

Symmetry can lead to vibrations which self-reinforce each other and become amplified to destruction. Think marching troops on a bridge making it shake and fall. An irregular pattern disrupts this.

Answer 2

Symmetry can lead to vibrations which self-reinforce each other and become amplified to destruction. Think marching troops on a bridge making it shake and fall. An irregular pattern disrupts this.

Answer 3

Symmetry can lead to vibrations which self-reinforce each other and become amplified to destruction. Think marching troops on a bridge making it shake and fall. An irregular pattern disrupts this.

Answer 4

The explanation that others provided make sense, but when I Google image search “tunnel boring machine,” all the results look like the mechanisms are _symmetrically_ laid out on the face of the borer.

Answer 5

The explanation that others provided make sense, but when I Google image search “tunnel boring machine,” all the results look like the mechanisms are _symmetrically_ laid out on the face of the borer.

Answer 6

The explanation that others provided make sense, but when I Google image search “tunnel boring machine,” all the results look like the mechanisms are _symmetrically_ laid out on the face of the borer.

Answer 7

Each cutting wheel or disc on the face of a mtbm cut a symmetrical ring of material starting from the top and come to the center of the face

Answer 8

Each cutting wheel or disc on the face of a mtbm cut a symmetrical ring of material starting from the top and come to the center of the face

Answer 9

Each cutting wheel or disc on the face of a mtbm cut a symmetrical ring of material starting from the top and come to the center of the face