Design Aspects Governing Disc Cutters and Cutterheads of Hard Rock TBM—A Review

Analysis and Enlightenment on the Relationships between Two Kinds of Cutter Life Evaluation Indexes and Installation Radius: A Case Study

“…It can be seen from Figure 6a that the data at 1# and 2# cutter positions are extraordinarily different from the data at other cutter positions. The center cutter will be jammed even if the center cutter diameter of small cutter spacing is large and abnormal wear (i.e., slip wear) is much larger than normal wear [42,43]. These two points are regarded as abnormal points and are not considered in subsequent analysis.…”