Heavy Duty Drill Collar Machine For Oil Industry

Heavy Duty Drill Collar Machine For Oil Industry

The Heavy duty drill collar machine has 2 functions : drilling and boring.Drilling :BTA drilling method,The chips flow to the rear end through the cutter tool inner hole. Boring:Push boring method,the chips flow to the front end through the workpiece inner hole....

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Heavy duty drill collar machine for oil Industry

The machine has 2 functions : drilling and boring.

Drilling :BTA drilling method,The chips flow to the rear end through the cutter tool inner hole.

Boring:Push boring method,the chips flow to the front end through the workpiece inner hole.

Machine structure:

  • Machine mainly components: Machine bed、Headstock、2 sets workpiece bracket、oil pressure head、4 sets drill bar support、drill box、slide guide rail 、rack and pinion、drilling and boring cooling system、GSK CNC system、Electrical cabinet、3 sets center frame.
  • Workpiece clamping:The manual three-jaw chuck on the headstock holds one end of the workpiece, the oil pressure head automatically tightens the other end of the workpiece, and the center frame supports the workpiece.
  • Servo  axis:

        Z1 axis:The drill box is infeed vertically, and the servo motor drives the rack and pinion structure through            the decelerating mechanism. 

        Z2 axis The oil pressure head is servo tightening the workpiece, and the servo motor drives the rack and               pinion structure through the decelerating mechanism.

  • Machine bed:The bed is made of resin sand and normalised after casting. The bed is made of split structure, assembled with high strength bolts and positioned by cone pin .The machine adopts double rectangular slide guide, precision grinding, quenching hardness can reach HRC48-52. Single guide rail width*thickness =205mm x 50mm, after widening and thickening,the overall width of the guide rail is increased to 690mm; the rack is assembled in the bed, used for tool feed transmission; and the rack is grind and quenched. The machine tool has large load capacity, high rigidity and stable transmission.

Machine sketch for reference:

Machine mainly parameters:

Specifications

Parameters

Notes

Working capacity

Drilling diameter range

Φ30~Φ100mm

 

Boring diameter range

Φ40~Φ200mm

 

Machining depth range

1m~13 m

 

Workpiece length range

1m~13 m

 

Workpiece OD range

Φ60~Φ400mm

 

Machine performance

Z1 axis

(drill box infeed )

Moving speed range

5~1000mm/min

 

Servo motor torque/power

48Nm/7.5KW

 

Z2 axis

(oil pressure head movement)

Rapid traverse rate

3m/min

 

Servo motor torque/power

27Nm/4.3KW

 

Drill box

Rotary speed range

94~494r/min

6 gears speed adjust

Motor power

30KW

Three asynchronous motor

Headstock

Rotary speed range

31~500r/min

12 gears speed adjust

Motor power

30KW

Three asynchronous motor

Chuck

φ500mm

Manual 3 jaw chuck

Other

Machine floor space

34m×3.2m

 

Machine total weight

Roughly 43T

 

Machine total power

103KW

 

Machine loading capacity

5T

 

Cooling system

Cooling pump motor

7.5KW,3groups

 

Max. flow

600L/min

 

Machine parts manufacturer list:

No.

Name

Manufacturer

1

CNC system servo infeed system

GSK

2

Headstock main motor

Chinese brand

3

Spindle bearing

Chinese brand

4

Drill box main motor

Chinese brand

5

Machine mainly electrical components

SIEMENS or Schneider

6

Pinion

Taiwan

 

 

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