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HPR35A Mini rotary drilling rig offers low clearance and lightweight construction as its core advantages, making it ideal for confined working environments and complex site access requirements.
Engineered for foundation construction, the HPR38-20 is a compact, high-performance mini drilling rig built to excel in confined, low-clearance environments—from under bridges and power lines to indoor construction sites, with zero access barriers.
HPR45-16 mini rotary drilling rig has a maximum drilling depth of 16 metres, with a drilling diameter range of 300 to 1000 millimetres. The machine weighs 12,000 kilograms.
Spherical hobs are very mature and are widely used in many equipment, such as rotary drilling rigs, RCD, pipe jacking machines, etc. By analyzing the use of ball-tooth hobs on the above equipment, it can be known that when there is sufficient propulsion pressure and the rock layer strength is about 130MPa, the footage speed of the spherical tooth hob can be maintained at 0.3~0.5m/ h. And the footage speed is relatively stable. When the spoil discharge is sufficient, the service life of one spherical tooth hob can reach a construction length of 300m.
La pinza idraulica APIE serie AHG è un prodotto sviluppato e progettato sulla base di decenni di esperienza nella costruzione di pareti diaframmate e nello sviluppo di attrezzature in Cina, che risolve i vari problemi riscontrati con attrezzature simili durante la costruzione, adattandosi a condizioni geologiche complesse sia a livello nazionale che internazionale, contribuendo a ridurre i costi di utilizzo e a creare valore per i clienti.
Pick drum cutting wheels and flat teeth cutting wheels are available in specifications ranging from 640 mm to 2500 mm, with customization according to customer requirements.

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