Horizontal double-spindle deep hole drilling machine is mainly used for the processing of tube and tube heat exchanger tube plate holes used in petroleum, chemical, pharmaceutical, thermal power station, nuclear power plant and other industries.
ALGSD25/2 Horizontal Double-spindle CNC Deep Hole Drilling Machine is mainly used for the processing of tube and tube heat exchanger tube plate holes used in petroleum, chemical, pharmaceutical, thermal power station, nuclear power plant and other industries. The maximum diameter can be processed φ2500.
Main Technical Parameters
| Item | Unit | ALGSD25/2 | ||
| Processing range | The max workpiece | mm | φ2500 | |
| Drilling diameter | BTA drill | φ16～φ40 | ||
| Gun drill | φ10～φ24 | |||
| The max drilling depth | 800 | |||
| The max workpiece weight | t | 50 | ||
| Drilling head | Qty. | 2 | ||
| Spindle center distance（adjustable） | mm | 170～220 | ||
| Spindle front bearing spindle diameter | φ65 | |||
| Spindle rotation speed | r/min | 40～3000 | ||
| Spindle servo motor power | KW | 2×15/20.5 | ||
| Longitudinal slide movement（X axis） | Travel | mm | 3000 | |
| The max movement speed | m/min | 4 | ||
| Servo motor power | KW | 9.6 | ||
| Column vertical slide movement（Y axis） | Travel | mm | 2500 | |
| The max movement speed | m/min | 4 | ||
| Servo motor power | KW | 6.4 | ||
| Doule spindle feed slider movement（Z axis） | Travel | mm | 1000 | |
| Movement speed | m/min | 0～4 | ||
| Servo motor power | KW | 2.4 | ||
| Accuracy | X axis positioning accuracy | 0.03 /full length | ||
| Y axis positioning accuracy | 0.03 /full length | |||
| X axis re-positioning accuracy | 0.01 | |||
| Y axis re-positioning accuracy | 0.01 | |||
| Hole deviation（Drill into the surface） | ±0.06 | |||
| Hole deviation（drilling out of the surface） | 0.3/300，0.6/600 | |||
| The roundness of the hole | 0.02 | |||
| Machine dimension | Length × width × height | m | About 13×8.2×6.2 | |
| Machine weight | t | About 70 | ||
The following process measures can be taken during processing depending on the specific processing requirements:
(1) Before drilling, pre-drill a shallow hole with the same diameter as the drill bit, which can guide the centering when drilling. This step is especially necessary when machining small holes with high straightness requirements.
(2) When installing and debugging the machine tool, ensure that the center axis of the workpiece hole coincides with the center axis of the drill pipe.
(3) According to the material of the workpiece, the cutting amount is reasonably selected to control the degree of chip curling, and C-shaped chips which are favorable for chip removal are obtained. When machining high-strength material workpieces, the cutting speed V should be appropriately reduced. The amount of feed has a great influence on the formation of chips, and a small feed can be used under the premise of ensuring chip breaking.
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