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Heavy-duty CNC Horizontal Deep Hole Drilling and Boring Machine
DBK-500 DBK-500A
Machine Summary
DBK-500/DBK-500A CNC deep hole drilling and boring machine is mainly for the processing of cylindrical workpiece. The tool is kept rotating and feeding, this machine can perform the process of drilling, boring ,expanding and roller burnishing, etc. The machine is equipped with CNC system. Besides machining through-hole, it can also process step hole and blind hole, etc. The machine tool is suitable for production of special cylinder, coal cylinder, hydraulic machinery, high pressure boiler tube, petroleum, military, electrics and airspace, etc.
Performance and Features
1. The headstock spindle is driven by large power DC motor, using multi-gear speed change and stepless speed regulation. The process adopts the mode of workpiece rotating and tools feeding, the coolant is supplied by the oil feeder or through the end of boring bar, the chip is pushed out by the coolant pressure.
2. The headstock part is equipped with three-jaw or four-jaw chuck, the oil feeder clamps the workpiece by servo motor.
3. The oil feeder can be moved and positioned along the bed body, and maintaining the constant clamping force to the workpiece. The oil feeder adopts the principal axis structure which improves the load capacity and rotation accuracy. The hydraulic system has a good control when clamping and fixing the workpiece, which has a high stability and good precision.
4. The bed body is made of high strength cast iron, which ensures the machine with enough rigidity. The guide rail is treated by hardening technology and has the excellent wear-resistance and high precision retaining ability. All the operation parameters are shown by meter display, the workpiece clamping and the operation is very safe, rapid and stable.
5. DBK-500 is equipped with workhead box, but isn't equipped with boring box or drilling box; DBK-500A add to boring box or drilling box on the basis of the DBK-500, so higher efficiency machining deep hole for cylindrical workpieces.
Technical Parameters
| Specification | Unit | DBK-500 | DBK-500A |
| Drilling diameter range | mm | / | Φ40-Φ150 |
| Boring diameter range | mm | Φ120-Φ500 | Φ120-Φ500 |
| Boring depth range | mm | 1000-18000 | 1000-18000 |
| Workpiece clamping dia. range | mm | 150-650 | 150-650 |
| Spindle center height | mm | 625 | 625 |
| Rotation speed range of headstock spindle | r/min | 1-225 | 1-225 |
| Spindle hole dia. | mm | Φ130 | Φ130 |
| Spindle front taper hole dia. | Metric 140# | Metric 140# | |
| Headstock motor power | kw | 45 | 45 |
| Drill box motor power | kw | / | 22 |
| Drill box spindle hole | mm | / | Φ75 |
| Drill box front taper hole | mm | / | Φ85 1:20 |
| Drill box speed range | r/min | / | 60-1000(12 steps) |
| Feed speed range (stepless) | mm/min | 5-3000 | 5-3000 |
| Feed carriage rapid speed | mm/min | 3000 | 3000 |
| Feed motor power | kw | 7.5 | 7.5 |
| Feed carriage rapid motor torque | Nm | 36 | 36 |
| Hydraulic pump motor power | kw | 1.5 | 1.5 |
| Cooling pump motor power | kw | 7.5 (2groups), 5.5(1 group) | 7.5 (2groups), 5.5(1 group) |
| Cooling system rated pressure | MPa | 2.5 | 2.5 |
| Cooling system flow | L/min | 300, 600, 900 | 300, 600, 900 |
| CNC system | SIEMENS or other CNC system | ||
The machine consists of bed body, headstock, drilling and boring box (optional), chuck body, feed carriage, oil feeder, cooling system, chip removal device, steady rest, hydraulic system, boring bar support, motor and electrical system, CNC system, etc.
Headstock
It can Choose 12 Steps speed changing or speed variable stepless. The CNC system is equipped with GSK or SIEMENS or FANUC or other CNC system.
Different Specification Machine With The Real Figure
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- Firstly packed by waterproof cloth and then in wooden case.
- Few parts may need to be taken down and be packed in wooden case.
- According to customer's different require, wo can adopt different packaging.
Whether CNC deep hole honing machine or CNC deep hole drilling and boring machine or CNC deep hole skiving roller burnishing machine, we all use the same standard Packagings.
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