core barrel with roller bits – APIE FOUNDATION EQUIPMENT(CHINA) LIMITED

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.

HPR38-20 Mini Drilling Rig

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 Drilling Rig

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.

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Rullebit

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. Den roterende borerig får akslen til at rotere og udøver et positivt tryk, så den roterende borekrone kan ramme, rulle og klippe klippen. Knus klippen for at danne en knusende ringzone, knæk derefter den midterste søjle ved at svinge skaftet og tag den knækkede søjle ud for at danne et hul.

Rullebit

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