ROCK DRILL KNOWLEDGE · GLOBMACH
Know the drill. Find the right parts.
Practical guides to rock drill construction, performance and fault symptoms, connected to the parts directory.
Explore parts →
SELECTION & MAINTENANCE
Practical rock drill guides
Adapted from the GLOBMACH hydraulic rock drill parts selection guide.
How a hydraulic rock drill works
Understand percussion, feed, rotation and flushing, and the assemblies that support them.
Read guide →02Understanding rock drill performance parameters
Use percussion frequency, rotation torque and speed alongside the actual drilling requirements.
Read guide →03Hydraulic rock drill faults: organizing the evidence
Record symptoms and component condition before inspection or ordering replacement parts.
Read guide →04RD18U rock drill: shank and lubrication checks
Use the guide's RD18U examples to understand the relationship between the shank, guide sleeve and lubrication.
Read guide →05Montabert hydraulic rock drills: features and fault clues
Explore the guide's discussion of hydraulic braking and damping, plus rotation and percussion fault examples.
Read guide →06Why major hydraulic rock drill components can fail
Use damage examples involving accumulators, flushing heads, impact pistons and rotation bearings to organize an inspection.
Read guide →07Rock drill accumulators and valves: the percussion circuit
Understand the roles of the reversing valve and accumulator before identifying parts or arranging an inspection.
Read guide →08Rock drill flushing and lubrication: identify the system first
Understand flushing, head lubrication and dust protection before preparing a parts request.
Read guide →09COP1238 example: piston stroke and percussion
Use the guide's COP1238 example to understand the relationship between piston stroke, impact energy and frequency.
Read guide →010Rock drill front-end wear: bushings, drive sleeves and stop rings
Use the guide's wear examples to organize inspection evidence and identify front-end parts.
Read guide →011Rock drill side bolts and fasteners: inspection and parts matching
Document bolt and thread condition before inspection or requesting replacement fasteners.
Read guide →FIND THE PART YOU NEED
Start with a model or part number
Check your drill version, part numbers and old-part photos to prepare your request.
