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The KR90C rotary drilling rig is a compact and highly efficient foundation equipment designed for urban and confined construction sites. Built on a reliable Caterpillar undercarriage (CAT C4.4 engine), it combines world-class hydraulic control technology with APIE’s expertise in piling machinery manufacturing. The KR90C is ideal for small to medium-sized projects requiring flexibility, productivity, and reliability.
The Straight Auger is a high-performance drilling tool designed for vertical soil excavation in piling operations. Its simple yet robust design makes it ideal for loosening and extracting cohesive soils, sands, and gravel during rotary drilling processes.
The RJP-3.0 Method realizes real-time monitoring and regulation of construction parameters through the jet drilling real-time measurement system, addressing the drawback of lacking key parameters in traditional jet grouting technology. It can simultaneously acquire basic parameters such as nozzle holder lifting speed, rotation speed, nozzle diameter and quantity, air pressure, slurry flow rate, and pump outlet pressure. It achieves real-time drilling deviation monitoring and dynamic collection of downhole pressure inside and outside the drill pipe, assists in analyzing the actual kinetic energy of the slurry and inferring the pile diameter, and forms a closed-loop control system by integrating post-construction deviation data. This significantly improves the preparation accuracy of the soil-cement mixture and construction reliability.
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The single roler bit is composed of a single cone and a lug matched by a bearing.According to different strata and construction requirements, different cutting struclures can be selected; wear resistant carbide are welded and cemented carbide inserts are inserted on the back of the lug.
Instalația de foraj rotativ antrenează arborele să se rotească și să exercite o presiune pozitivă, astfel încât burghiul rotativ să poată lovi, rostogoli și cizela roca. Zdrobește roca pentru a forma o zonă inelară de zdrobire, apoi rupe stâlpul din mijloc prin rotirea arborelui și scoate stâlpul rupt pentru a forma o gaură.