material do eixo da bomba

The term 185% compressors generally refers to portable air compressors that deliver high-performance output, typically rated at 185 cubic feet per minute (CFM). These compressors are designed for heavy-duty applications, making them ideal for construction sites, road works, and renovation projects. The 185% often signifies their exceptional performance relative to their size and fuel efficiency, underscoring their ability to deliver more compressed air than standard compressors within the same category.


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The roller drill uses the rolling action of the roller bit to break the rock and is suitable for drilling holes of 150 ~ 440 mm in diameter on the hard rock. It has the advantages of high efficiency and low labor intensity, and is widely used in large and medium-sized open-pit metal mines. The drill consists of an impactor (or drill bit), a rotary mechanism, a lifting mechanism, a pressure device, a walking mechanism, a slag discharge system, a drill frame and a drill pipe. Rotary drilling machines are only suitable for drilling softer minerals and coal.

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