Precihole’s BVN Series BTA Deep Hole Drilling Machines

Choose from a package of different configurations

Precihole BVN Series – BTA/STS Deep Hole Drilling Machines

Precihole’s BVN Series BTA Deep Hole Drilling Machines are built to operate in continuous production mode for drilling large holes in shafts. These machines feature state-of-the-art technology that produces holes with excellent straightness, bore tolerance and surface finish. The BVN series provides a complete solution that includes all features needed for continuous and repeatable performance over many years.

Machine features:
  • Rigid and robust design allows precise and vibration-free movement of machine elements
  • Use of ball screw or rack and pinion with servo drives for smooth linear motion
  • Proprietary pressure head design allows optimum oil flow and tool guiding
  • Vibration dampeners to absorb vibrations and reduce tube whipping to improve hole straightness
  • Self-centering chuck clamping at both ends on rotating setup for quick setup of parts
  • High pressure coolant and fine filtration system
  • Oil chiller and automatic lubrication
  • Fanuc / Siemens CNC controls with customized screens for monitoring machine parameters
  • Provision for adding other processes like counter boring, trepanning, pull boring, skiving and roller burnishing, and bottle boring on same machine
Specifications
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Item / Model
Solid Drilling Diameter Range
Max. Counter Boring Diameter
Max. Drilling Depth
Tool Head Spindle Power
Tool Head Spindle Speed
Work Head Spindle Power
Work Head Spindle Speed
Coolant System Flow (GPM)
Coolant System Tank Capacity (Gallons)
BVN40 BVN65 BVN100 BVN180 BVN250
0.5″ – 1.5″ 0.74″ – 2.5″ 0.74″ – 3.9″ 1.2″ – 7″ 2″ – 10″
N/A 4″ 7″ 12″ 16″
20″ – 80″ 40″ – 120″ 60″ – 240″ 80″ – 780″ 80″ – 780″
20 HP 30 HP 50 HP 100 HP 151 HP
200 – 2,600 RPM 80 – 1,350 RPM 50 – 1,350 RPM 20 – 1,100 RPM 10 – 700 RPM
5 HP 15 HP 24 HP 40 HP 50 HP
100 – 200 RPM 40-100 RPM 40 – 100 RPM 25 – 75 RPM 10 – 50 RPM
80 133 238 397 529
660 1,060 1,600 2,600 3,200
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