Deep Hole Boring Machine

Deep Hole Boring Machine

Deep Hole Boring Machine has function of solid drilling,counter boring,trepaning,pull boring and burnishing. Drilling range is from 30mm to 100mm,boring range is from 40mm to 800mm,drilling depth is from 1000mm to 15000mm. many models are available......

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Deep hole boring machine introduction:
The machine is special equipment for machining deep cylindrical hole of workpieces.It can be perfectly suited for drilling and boring through holes,blind and step holes in workpieces;Such as ,spindle of various kinds of machines,many kinds of hydraulic oil cylinders and cylinders and drill collars in the gas and oil field.

Product Content
It adopts BTA processing method,it can not only drill the deep holes,but also bore the deep holes. When drilling the workpiece,it adopts BTA chip remove method,that is: the coolant liquid arrive the drilling parts through oil supply device,the iron chips and coolant oil return to the drain back tank and chips removal device through the drilling bar hole.through the above method to realize the drilling purpose.

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When boring the workpiece,we adopts pull boring front chip removal method(pull the boring head go ahead,and remove the front chips by that way) , the headstock spindle front equips chips removal device,used for boring and chips remove. When boring the workpiece,the workpiece rotary,so as to enhance the boring accuracy. The workpiece adopts double taper plate fasten Position,workpiece fasten easily. Position liable. 

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Machine parameters:

Specification

Technical Data

T2120(many models available)

CAPACITY

Max. Boring Diameter

200mm

Drill hole diameter range

30-100mm

Max. Boring depth

3000mm(many models available)

Workpiece clamp diameter range

60-300mm

SPINDLE

Height from spindle center to bed

350mm

Spindle bore diameter

75mm

Taper of spindle bore

Ø85mm  1:20

Range of spindle speed

61-1000r/min

INFEEDS

Infeed speed range

5-1000mm/min   

Carriage rapid move speed

2m/min

MOTOR

Main motor power

30kw

Hydraulic pump motor power

1.5kw

Carriage rapid motor power

3kw

Infeed motor power

3.7kw

Coolant pump motor power

5.5kw

OTHERS

Rated pressure of cooling system

2.5MPa

Flow of cooling system

200L/min

Rated working pressure of hydraulic system

6.3MPa


Machine main frame:

  • The machine consist of the following parts: Machine bed, Headstock, Oil pressure head , Workpiece support rest , Carriage feeding system , Boring bar support rest , Coolant system , Electric system , Hydraulic system , Chips removal device .

  • The main parts, such as machine bed ,carriage,box body ,oil pressure head and support rests are all casted by super casting iron .

  • The machine bed guide rail width is 600mm, single flat guide rail width is 160mm, thickness 40mm, with heavy loading capacity, processed by high frequency quenching and precision grinding, ensure the machine is with advantages of high rigidity , good strength ,and high precision assurance . The machine adopts Rack and pinion transmission, with larger transmission torque than screw, more stable, without wastage . (If machine is driven by screw , the machine bed guide rail width should be 650mm, flat and V-shape guide rail structure , the width of flat guide rail is 150mm, thickness is 40mm. If machine is with screw transmission structure , the copper turbo is wearing part ).

  • The machine's operation station is in the front of the oil pressure head,easy to operate. The oil pressure head tightening and workpiece clamping adopt hydraulic device, pressure is adjustable and shown on the pressure gauge, safety and reliable. The oil pressure head spindle and machine spindle are in high condentricity ,easy to change the guide sleeves.


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