Steam turbine deep hole drilling machine, when starting drilling, first open the cutting fluid pump, then start the lathe, cut the cutter, end the drilling or when the fault occurs, stop the cutter first, then stop, and finally close the cutting fluid pump.
ALGSD35/2 New mini deep hole drilling machine mainly includes vertical slide table, vertical slide table, double-spindle feed slide table, worktable and bent plate, hydraulic system, cooling system, automatic lubrication system, electrical system, row Chips and other components.
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Main Technical Parameters
| Item | Unit | ALGSD35/2 | ||
| Processing range | The max workpiece | mm | Φ3500 | |
| Drilling diameter | BTA drill | φ16～φ45 | ||
| Gun drill | Φ7～φ24 | |||
| The max drilling depth | 500 | |||
| 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 | 200～3000 | ||
| Spindle servo motor power | KW | 2×22 | ||
| Longitudinal slide movement（X axis） | Travel | mm | 3600 | |
| The max movement speed | m/min | 4 | ||
| Servo motor power | KW | 4.5 | ||
| Column vertical slide movement（Y axis） | Travel | mm | 1800 | |
| The max movement speed | m/min | 4 | ||
| Servo motor power | KW | 4.5 | ||
| Doule spindle feed slider movement（Z axis） | Travel | mm | 600 | |
| Movement speed | m/min | 0～4 | ||
| Servo motor power | KW | 2 | ||
| Accuracy | X axis positioning accuracy | 0.06/full length | ||
| Y axis positioning accuracy | 0.06/full length | |||
| X axis re-positioning accuracy | 0.03 | |||
| Y axis re-positioning accuracy | 0.03 | |||
| 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 13.5×6.6×6 | |
| Machine weight | t | About 72 | ||
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) When starting drilling, first open the cutting fluid pump, then start the lathe, cut the cutter, end the drilling or when the fault occurs, stop the cutter first, then stop, and finally close the cutting fluid pump.
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