BTA Deep Hole Drilling Machines

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BTA Deep Hole Drilling Machines (TIBO)
  • Solid drilling to Ø 250 mm
  • Counter-boring to Ø 400 mm
  • Drill depths to 12,000 mm*

BTA deep hole drilling machines from Tibo provide the optimum method for larger drill diameters of 18 mm to 250 mm solid drilling (up to 400 mm counter-boring) and drill depths of up to 12,000 mm.

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With the BTA method, the coolant is introduced and removed and the chips are transported away in exactly the opposite way to the gundrilling method: Thanks to the larger diameter of the BTA drill, here it is possible to reliably and continuously remove the chips through the tool's interior. The coolant on the other hand is introduced from the outside and under pressure through the annular gap between the bore hole and the drill by means of a coolant pressure head (BOZA).

System BTAB80B125B160B250
Drilling Ø mm10 - 80*/**25 - 125**25 - 160**50 - 250
Counter-drilling Ø max mm100200250400
Drill depth max. mm4,50012,00012,00012,000
Workpiece Ø max. mm500630630825
Torque Nm600 bei n=140-12,000 bei n=180-14,000 bei n=90-17,500 bei n=90-1
*A gundrilling kit for quick conversion is also available
** Also available in two-spindle configuration, on request

A variant of this is the ejector drilling method in which the deep drilling oil is supplied through an annular chamber between the drill tube and an internal tube. The cooling lubricant exits at the side of the drilling head, flows around it and flows back with the chips in the internal tube. At the same time, some of the cooling lubricant is supplied into the internal tube via a ring nozzle. The resulting vacuum at the chip mouth allows the return flow (ejector effect).

Tibo BTA deep hole drilling machines are also available as single-spindle or multi-spindle versions. By selecting different gearboxes and depending on the drilling task, different drive variants can be realized, thus always achieve optimum cutting performance.

The modular design and extensive optional accessories allow additional machining methods such as skiving and roller burnishing, pull boring und bottle boring. Proven components and state-of-the-art tools guarantee highly precise drilling results.

*Drilling depths in excess of 12,000 mm are possible as a special configuration at the customer's request

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BTA Deep Hole Drilling Machines (TIBO)

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