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DrillMore Rock Tools Company tau ua haujlwm rau kev lag luam drilling rau ntau tshaj 30 xyoo. Peb tshwj xeeb hauv kev tsim, kev tsim kho, tsim khoom, thiab kev pabcuam ntawm tricone khoom, DTH cov cuab yeej, Cov Cuab Yeej Zoo Tshaj Plaws, PDC Cov Khoom Siv rau Mining, Zoo drilling, Geothermal drilling, Kev tsim kho, Tunneling, Quarrying ...
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09-23Dangerous Mismatch: Specifications, Tapers and Threads of Drilling Rigs and Drill ToolsDangerous Mismatch: Specifications, Tapers and Threads of Drilling Rigs and Drill Tools -
09-14High Incidence of Bit Chipping & Lost Inserts! Avoid Construction Pitfalls to Greatly Extend Bit Service LifeThis article distinguishes **PDC cutter chipping** and **insert loss**, two frequently mixed-up bit failures. Statistics from a 15-year bit repair expert show chipping accounts for 55% of scrapping causes and insert loss for 25%. Their failure locations, root causes and fixes differ greatly: chipping means the PDC cutter itself fractures, mainly caused by parameter overload, abrupt formation hardn -
09-07Four Core Causes of Frequent Drill Rod Breakage: Unlocking the Root of Short Service LifeThis article analyzes four major reasons for frequent breakage of rock drill rods: 1. **Raw‑material defects**: Poor‑quality steel contains impurities and air bubbles. These hidden internal flaws develop into cracks under impact and torsion, leading to premature fracture. 2. **Violent drilling operation**: Forcing against hard rock, empty firing, and operating with bent drill rods subject the
