Deep Hole Gun Drill Machine

Deep Hole Gun Drill Machine

The machine adopts gun drilling method; It is with single spindle structure,It is suitable for machining long and thin shaft....

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Deep hole gun drill machine

Machine Operation:Gun drilling

Component Details:  Core pins for for aluminium die casting mould

Machine Specifications:

Technical Items

Parameters

Drilling diameter range

2mm-25mm

Max.Hole drilling depth

500mm

Machine total power

20.5kw

Hole length-diameter ratio

100:1

Workpiece length-diameter ratio

40:1

CNC control system:

GSK system

Machine OD range

6-34mm

Machine structure:

  1. Drilling method: The machine adopts gun drilling method; It is with single spindle structure,It is suitable for machining long and thin shaft.
  2. When drilling,the tool is rotating and the workpiece is fixed, the cutting tool is infeeding.
  3. Cutter tool infeed: It adopts the structure : servo motor to drive the ball screw through  elastic coupling , which the stepless speed regulation can be realized.
  4. Workpiece clamping: The workpiece is manually clamped by using the three-jaw chuck on the tailstock and the spring chuck on the guide frame, and the workpiece is supported by the center frame.

        

Drill bar support: 2 groups, It is used to support the drill bar ; The max hole length-diameter ratio 100:1 can be realized. Linkage between drill bar support and drill box can be achieved. as shown in the figure below.

        

Machine mainly parameters:

Specification

Parameters

Note

Working capacity

Drilling diameter range

Φ2~Φ25mm

 

Max.drilling depth

500mm

 

Max. Workpiece length

500mm

 

Workpiece OD range

Φ6~Φ34mm

 

Machine performance

Z axis

Infeed speed range

5~500mm/min

Stepless

Rapid traverse rate

3000mm/min

 

Infeed motor torque

7Nm

 

Drill box

Rotary speed range

500~6000r/min

Stepless

Motor power

5.5KW

Servo motor

Cooling system 

Max. pressure

15MPa

Adjustable

Max.flow

100L/min

     Adjustable

Filtering accuracy

10μm

 

Oil tank volume(roughly )

1000L

 

Others

Max.Hole length-diameter ratio

100:1

 

Max. Workpiece  length-diameter ratio

40:1

 

Machine total power

22KW

 

Machine floor space(L*W)

4.2m×3.1m

 

Machine total weight

Roughly 5T

 

Machine sketch for reference:

               

 

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