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What Is A Down The Hole Drill?
What is a down the hole drill? Usage characteristics The engineering anchor drill can be used for drilling rock anchor cable holes, anchor bolt holes, blasting holes, grouting holes and other drilling operations in urban buildings, railways, highways, rivers, hydropower and other projects. charac...Read more -
Working Principle Of Air DTH Hammer
Working principle of air DTH hammer As shown in Figure 2-5, there is a piston in the cylinder. When the compressed air enters the upper chamber of the cylinder from the air inlet, the pressure of the compressed air acts on the upper end of the piston and pushes the piston to move downward. When i...Read more -
What Is RC Drilling?
What Is RC Drilling? Reverse circulation drilling is one of the post popular methods of mineral exploration drilling. Born in Australia, we’re going to look through and give you an introduction to RC drilling. Here’s what we’ll be covering: The Basics of Reverse Circulation Drilling The Cost of R...Read more -
JCDRILL Products Application
QUARRIES AND MINES More mining application: 1. Surface mining 2. Underground soft rock mining 3. Underground hard rock mining 4. Production drilling of blastholes in quarries and mines. There are four main types of blasth...Read more -
What Are The Categories Of DTH Bits?
1. Convex type: This bit comes in two forms, single boss and double boss. The latter is mainly used for large-diameter DDP bits. Convex DDRs can keep a high drilling rate when drilling hard and hard abrasive rocks, but the flatness of drilling is poor, so it is not suitable for drilling engineeri...Read more
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