Recent Blogs
Tappet Valve for a Rock Drill: Mechanism, Diagram, Parts, and Blow-Rate Formula Explained
How a tappet valve runs a pneumatic rock drill — porting, timing, and sizing for mining percussion drills. Real numbers from jackleg and stoper builds.
Electric Rock Drill Mechanism Explained: How It Works, Parts, Diagram, and Formula
How an electric rock drill works — hammer rate, bit selection, and torque sizing for mining, tunnelling, and construction crews drilling hard rock daily.
Rock Drill with Balanced Piston Valve Mechanism: How It Works, Diagram, and Parts Explained
How a balanced piston valve rock drill works, with formulas, a worked penetration-rate example, and real mining applications from Sandvik and Atlas Copco rigs.
Rock Drill Mechanism Explained: How It Works, Parts, Diagram, Animation, Formula and Uses
Rock drill explained — how percussive and rotary-percussive drills break rock in mining and tunnelling, with formulas, specs, and a worked penetration example.