Manufacturing capability
Deep-Hole Drilling
Deep-hole drilling is a specialized machining process used to produce long, accurate holes with high depth-to-diameter ratios. It is commonly required for hydraulic manifolds, cooling channels, industrial shafts, tooling components, and mechanical systems where conventional drilling methods cannot reliably achieve the required depth or straightness.
Related process: CNC Machining
Manufacturing overview
Deep-hole drilling is used when hole depth significantly exceeds its diameter, creating challenges involving chip evacuation, tool guidance, coolant delivery, and hole straightness.
Common methods include gun drilling, BTA drilling, and specialized deep-hole drilling systems.
Gun drilling is often selected for relatively small-diameter holes requiring controlled straightness and surface finish. BTA drilling is commonly used for larger-diameter deep holes and demanding industrial applications.
Typical components include hydraulic manifolds, mold cooling channels, long shafts, fluid distribution components, and heavy machinery parts.
Suitable materials include carbon steel, alloy steel, stainless steel, aluminum, and selected high-performance alloys.
Manufacturing feasibility depends on hole diameter, total depth, material hardness, workpiece geometry, and machine configuration.
Critical requirements include hole straightness, diameter tolerance, surface roughness, entry and exit conditions, and intersection with cross-drilled passages.
Buyers should provide technical drawings, 3D CAD models, material grades, hole dimensions, straightness tolerances, quantity, and inspection requirements.
Quality verification may involve specialized bore measurement, straightness testing, internal surface inspection, and dimensional reporting.
Metraxio supports deep-hole drilling RFQs for technically demanding internal geometries.