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
Solid Drilling Diameter Range 1.2″ – 4.57″
Part Counter Rotation
Counter Boring Diameter Range 2.55″ – 4″
Pull Boring 1.57″ – 4″
Number of Spindles
Max. Barrel Length 157″
Max. Barrel OD 6″
Max. Barrel Weight 1,250 lbs.
Power per Spindle 30 HP
Spindle Speed 250 – 1,750 RPM
