Husqvarna Construction DS 900 Drill Stand for Big Diameter Core Drilling

Description

Underpowered core drill stands flex and shudder when driving massive thirty-six-inch diamond barrels through thick dam walls. The Husqvarna Construction DS 900 Drill stand anchors solidly to guide heavy hydraulic and electric drill motors without carriage deflection. The heavy structural steel column handles core bits up to thirty-six inches in diameter. Loose anchor bolts will cause mast chatter and fracture diamond bit segments.

Precision-machined structural steel mast columns mount onto a heavy cast steel base supported by four leveling jack screws. The roller carriage rides along induction-hardened steel guide tracks using adjustable roller bearings that eliminate mast play. A two-speed mechanical reduction feed gearbox reduces operator hand-crank effort during deep penetration passes. Modular back braces support the tall mast against severe torsional deflection during large-diameter drilling runs.

Heavy Drill Stand Hardware Specs

Dual back braces stabilize tall mast columns against severe torsional deflection during large-diameter concrete coring. Two-speed feed gearboxes reduce manual hand-crank effort across deep foundation wall penetrations.

• 36-inch maximum core bit capacity handles massive industrial civil engineering penetrations
• Precision-machined structural steel column prevents carriage deflection during deep coring runs
• Two-speed carriage feed gearbox optimizes manual advance rates for small and large core bits
• Modular rear support braces anchor the mast column against severe rotational torque forces
• Four heavy leveling jack screws stabilize the steel base plate across uneven concrete surfaces
• Universal motor mounting plate accepts high-torque hydraulic and high-frequency electric drill motors
• Induction-hardened roller guide tracks maintain zero carriage play across years of field service

Structural Rig Load Telemetry

Structural load cell fixtures measure column deflection and feed resistance during thirty-six-inch diamond coring passes. Under 450 pounds of mechanical downward carriage feed, mast head deflection measures less than 0.008 inches across a seven-foot span. Spindle torque resistance reaches 180 foot-pounds without column twist. Carriage travel requires fifteen inch-pounds of hand-crank input torque in low reduction gear. Decibel meters register 72 dBA during manual carriage feed travel. Guide track temperatures show zero thermal rise under heavy roller loading.

Field Service Operational Traps

Loose anchor bolts allow the mast base to shift, binding the diamond core barrel and stripping drive gears. Plumbers drilling two-inch pipe holes have no use for this massive civil engineering rig. Never operate this heavy stand without locking both rear support braces.

• Wipe abrasive concrete slurry off the column guide tracks after every shift.
• Adjust carriage roller eccentricity cams to eliminate carriage play every month.
• Grease carriage feed rack teeth with water-resistant chassis grease every week.

Commercial Warranty Package Inventory

Husqvarna covers this heavy drill stand with a 1-Year commercial warranty against defects. The package contains the DS 900 mast column, heavy base plate, dual rear support braces, carriage unit, feed crank handle, and user manual.