Wirtgen’s novel inspection system offers a quick indication of wear rates on the cutting tools of the firm’s surface miners. Called the Wirtgen Pick Inspection (WPI) system, this tool comprises eight sensors that can make fast measurements and which are integrated into the cutting drum compartment of the surface miner. The sensors measure the degree of wear of the picks and the measuring process takes just one minute to complete, allowing it to carried out while changing trucks and reducing downtimes. The W
