Rock Drilling Spare

Down-The-Hole Drilling Rigs

INTRODUCTION With the rapid development of social economy, the demand for mineral resources has increased year by year, so mining facilities have also received widespread attention. It mainly briefly explains the working principle and structure of down-the-hole drilling rigs, analyzes common faults of down-the-hole drilling rigs and corresponding solutions, and also analyzes the maintenance measures …

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overhaul of rock drilling rigs

1 Overhaul timing and overhaul confirmation procedures 1.1 Timing of overhaul The overhaul time of rock drilling rigs is generally after 8 to 10 years of operation, and the rock drilling impact time generally reaches 15,000 to 20,000 hours. The overall technical performance, drilling efficiency and accuracy decrease greatly, and the downtime for maintenance increases. …

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Aluminum & Aluminum Alloys

INTRODUCTION Aluminum has a lighter specific gravity, smaller rebound during forming, relatively high strength, close to or exceeding high-quality steel, and good plasticity. When the product is formed more complexly, it is easier to control than stainless steel. It has excellent electrical conductivity, thermal conductivity, and resistance. It is corrosive, and the surface treatment processes …

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