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Twin Screw Hole Trepanning Machine
Twin screw hole trepanning machine This machine is used for cylinder workpiece center hole or offer center hole drilling, especially for the twin barrel hole drill(we called it “8”hole.) Machine processing capability: Machine processing method: Machine sketch for customer reference: Machine main...
Description
Twin screw hole trepanning machine :
This machine is used for cylinderical workpiece center hole or off-center hole drilling, especially for the twin barrel hole drill(we called it “8”hole.)
Machine processing capability:
Solid drilling diameter range | Φ30～Φ100mm (By BTA solid drill head) |
Counter boring diameter range | Φ35～Φ200mm (By counter boring head,cutting volue 15mm in diameter |
Max. Hole drilling depth | 3000mm |
Max. Workpiece length | 3000mm |
Machine processing method:
Solid drilling mode | BTA drilling method(chips go out through drilling bar) |
Hole boring process | Chips go out through workpiece’s cored hole. |
Infeed method | Tooling is rotary and infeeding, the workpiece is fixed |
Machine sketch for customer reference: 
Machine main tech parameters
Items | Parameters | Remark | ||
Working capacity | Solid drilling diameter range | Φ30～Φ100mm | / | |
Counter boring diameter range | Φ40～Φ200mm | / | ||
Max. Drilling/boring depth | 3000mm | / | ||
Max. Workpiece length | 3000mm | / | ||
Workpiece OD range | Φ100～Φ300mm | / | ||
Main spindle | 1 PC | / | ||
Machine capability | Tooling feed(Z-axis) | Feed speed range | 5～500mm/min | Stepless |
Rapid moving speed range | 2000mm/min | / | ||
Feed motor torque | 23Nm | / | ||
Drill box | Rotary speed range | 70～1000r/min | 2grades(stepless) | |
Motor power | 30KW | Inverter motor | ||
Worktable(X-axis) | Travel | 400mm | / | |
Size | 2400mmX600mm | / | ||
Weight loading | 4 Tons | / | ||
Coolant system | Max. pressure | 2.5MPa | Adjustable | |
Max. flow | 300L/min | Adjustable | ||
Main parts manufacturer/brand list
No. | Name | Manufacturer/brand |
1 | CNC system, servo motor | GSK |
2 | Drill box motor inverter motor | Chinese famouse brand |
3 | Main spindle bearing | Chinese famouse brand |
4 | Leading screw bearing | Chinese famouse brand |
5 | Main electrical components | Schneider |
6 | Main coolant system components | Chinese famouse brand |
7 | Reducer motor for X-axis | Made in Taiwan |
8 | Ball screw for X-axis | Made in Taiwan |
Factory photos :
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