Precihole’s BVN Series BTA (STS) Deep Hole Drilling Machines

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Precihole BTA Series – BTA Deep Hole Drilling Machines

Precihole’s BVN Series BTA (STS) Deep Hole Drilling Machines are built to operate in continuous production mode for drilling large holes in shafts. Machines feature state of the art technology that produces holes with excellent straightness, bore tolerance and surface finish. These machines are complete solutions that include 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 to allow 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/Models BVN40 BVN65 BVN100 BVN180 BVN250
Solid Drilling Diameter Range 0.5″ – 1.5″ .74″ – 2.5″ .74″ – 3.9″ 1.2″ – 7″ 2″ – 10″
Max. Countering Boring Diameter N/A 4″ 7″ 12″ 16″
Max. Drilling Depth 20″ – 80″ 40″ – 120″ 60″ – 240″ 80″ – 780″ 80″ – 780″
Tool Head Spindle Power 20 HP 30 HP 50 HP 100 HP 151 HP
Tool Head Spindle Speed 200 – 2,600 RPM 80 – 1,350 RPM 50 – 1,350 RPM 20 – 1,100 RPM 10 – 700 RPM
Work Head Spindle Power 5 HP 15 HP 24 HP 40 HP 50 HP
Tool Head Spindle Speed 100 – 200 RPM 40 – 100 RPM 40 – 100 RPM 25 – 75 RPM 10 – 50 RPM
Coolant System Coolant Flow (GPM) 80 133 238 397 529
Coolant System Tank Capacity (Gallons) 660 1060 1,600 2,600 3,200
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