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DB-500A

DB-500A

Deep Hole Drilling & Boring Machine



Model: DB-500A

Boring diameter: 120-500mm
Drilling diameter: 40-150mm
Boring depth: 1000-18000mm

Workpiece diameter: 150-650mm

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Product Description

Deep Hole Drilling & Boring Machine



Model: DB-500A

Boring diameter: 120-500mm
Drilling diameter: 40-150mm
Boring depth: 1000-18000mm

Workpiece diameter: 150-650mm



Technical Specification


Specification

Unit

DB-500

DB-500A

DB-800

DB-800A

Drilling diameter range

mm

/

Φ40-Φ150

/

Φ60-Φ150

Boring diameter range

mm

Φ120-Φ500

Φ120-Φ500

Φ800

Φ800

Boring depth range

mm

1000-18000

1000-18000

1000-15000

1000-15000

Workpiece clamping dia. range

mm

150-650

150-650

320-1250

320-1250

Spindle center height

mm

625

625

1000

1000

Rotation speed range of headstock spindle

r/min

1-225

1-225

3-120

3-120

Spindle hole dia.

mm

Φ130

Φ130

Φ130

Φ130

Spindle front taper hole dia.

/

Metric 140

Metric 140

Metric 140

Metric 140

Headstock motor power

kw

45

45

55

55

Drill box motor power

kw

/

22

/

30

Drill box spindle hole

mm

/

Φ75

/

130

Drill box front taper hole

/

/

Metric 85

/

Metric 85

Drill box speed range (steps)

r/min

/

60-1000 (12)

/

16-270

Feed speed range (stepless)

mm/min

5-3000

5-3000

5-2000

5-2000

Feed carriage rapid speed

m/min

3

3

2

2

Feed motor power

kw

7.5

7.5

11

11

Feed carriage rapid motor torque

Nm

36

36

36

36

Hydraulic pump motor power

kw

1.5

1.5

1.5

1.5

Hydraulic system rated pressure

MPa

6.3

6.3

6.3

6.3

Cooling pump motor power

kw

7.5 (2groups), 5.5(1 group)

7.5 (2groups), 5.5(1 group)

7.5 (2groups), 5.5(1 group)

7.5 (2groups), 5.5(1 group)

Cooling system rated pressure

MPa

2.5

2.5

2.5

2.5

Cooling system flow

L/min

300, 600, 900

300, 600, 900

300, 600, 900

300, 600, 900






Product Details


Machine Summary:

  • This machine is specially designed for deep hole processing of cylindrical workpiece.

  • It can perform different processing, such as drilling, boring, expanding and roller burnishing, etc. Besides machining through-hole, it can also process step hole and blind hole.

  • The machine tool is suitable for production of special cylinder, coal cylinder, hydraulic machinery, high pressure boiler tube, petroleum, military, electrics and airspace, etc.


Features:

  • 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.

  • The headstock part is equipped with three-jaw or four-jaw chuck, the oil feeder clamps the workpiece by servo motor. The oil feeder can be moved and positioned along the bed body, and maintaining the constant clamping force to the workpiece. The hydraulic system has a good control when clamping and fixing the workpiece, which has a high stability and good precision. The oil feeder adopts the principal axis structure which improves the load-capacity and rotation accuracy.

  • The bed body is made of high strength cast iron, which ensures the machine with enough rigidity. The guide track 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 where is located at the side of the machine’s middle part, the workpiece clamping and the operation is very safe, rapid and stable.

  • DB-series is equipped with workhead box, but isn't equipped with boring box or drilling box; DB-A series add to boring box or drilling box on the basis of the DB-500, so higher efficiency machining  deep hole for cylindrical workpieces.







Standard Accessories


  • Boring bar

  • Boring head

  • Cooling system

  • Chip conveyor

  • Oil gun

  • Lubrication system

  • Leveling wedges & bolts

  • Tools & tool-box

  • Operation manual






Optional Accessories


  • Other boring head

  • Other boring bar

  • Drilling head

  • Chain-type chip conveyor



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