en.Wedoany.com Reported - In mid-May, the intelligent drilling jumbo at the Linglong Gold Mine in Shandong, China, achieved phased results during the trial stage. The equipment's automatic hole placement rate has increased to 91%, and the blast hole utilization rate remains stably above 90%. The on-site technical team at Linglong Gold Mine, in collaboration with the equipment manufacturer, has advanced the optimization of the working face pretreatment process and the improvement of cross-section identification and control logic.

According to statistics, since the intelligent drilling jumbo was put into trial operation, it has completed 13 blasting rounds and drilled 601 holes, with an average automatic hole placement rate of approximately 85%. In the early stages, due to the impact of working face trimming, the equipment required relatively frequent manual adjustments during initial trials. To address this issue, the on-site technical team continuously optimized the working face pretreatment process and worked with the equipment manufacturer to improve cross-section identification and control logic. After multiple rounds of parameter tuning, the automatic hole placement rate for the last 5 blasting rounds has increased to 91%, effectively validating the equipment's level of intelligence.

In terms of profile quality control, the intelligent drilling jumbo can precisely control the drill rod inclination angle and ensure consistent drilling depth for each blast hole, effectively mitigating common issues in traditional manual drilling such as hole bottom deviation and uneven hole depth. Actual measurements show that the intelligent drilling jumbo achieves a blast hole utilization rate of over 90%, resulting in a smooth excavation profile with a well-rounded contour. This progress creates favorable conditions for subsequent ore extraction and support operations.

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