structural drill

structural drill

[′strək·chə·rəl ′dril]
(mechanical engineering)
A highly mobile diamond- or rotary-drill rig complete with hydraulically controlled derrick mounted on a truck, designed primarily for rapidly drilling holes to determine the structure in subsurface strata or for use as a shallow, slim-hole producer or seismograph drill.
References in periodicals archive ?
The impetus for one Kaizen event was the purchase of a new structural drill for what employees call the stringer cell area, "where we weld up the stringers for the bleachers." The structural drill that processes raw I-beams before they move into the area was outdated and had become a bottleneck in the production process.
Once I-beams are processed through the facility's new structural drill, cranes move the I-beams into place on welding tables.

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