Horizontal Gun Drill Machine

Horizontal Gun Drill Machine

This machine is used for machining shaft type workpiece ,such as Aluminium, Bottom Case Front Fork of Motorcycle....

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Horizontal Gun drill Machine

Machine Operation: Gun drilling method , double spindle structure ,can drilling 2 workpiece in the same time.the tooling and workpiece are rotating relatively, and the tooling is infeeding.

Component Details:  Aluminium, Bottom Case Front Fork of Motorcycle

Machine Specifications:

Technical Items

Parameters

Drilling diameter range

6mm-30mm

Max.Hole drilling depth

500mm

Machine total power

35KW

Hole length-diameter ratio

50:1

CNC control system:

GSK system

Machine structure:

Machine bed base

Machine bed base

  • HT300 iron, resin sand precise casting.
  • Twice timing treatment, high rigidity and stability.

Z-axis guide rail

  • Adopt made in Taiwan linear guide rails, (Japan THK linear guide rail is optional)
  • High transmission accuracy,
  • Prompt response.

Worktable

  • T-slot worktable,workpiece fixture is installed on the working table
  • Workpiece loading/unloading by manual

Drill bar rest

  • 1 groups,

        Function:

       1.Supporting the drill bar,

       2.Ensure drilling accuracy,

       3.Reducing the drill bar vibration.

     4.It can meet the maximum drilling hole length diameter ratio 50:1;;It adopts drill bar support linkage mechanism.

Guiding frame

  • Driven by hydraulic system

Function:1.Guiding the drill bits,

2.Sealing the high pressure cutting oil,

3.Chips removing, cutting oil returning,.

Headstock

  • It is used to drive job rotation, spindle speed fixed at 120r/min, The spindle can be moved axially under the control of the hydraulic system for pressing or loosening the workpiece.

Workpiece clamping

  • The spindle front-end of headstock and guiding frame is equips with cone disc,The hydraulic system controls the axial movement of the spindle of the headstock.Using the chamfering angle of the two ends of the cone disc and the workpiece, to clamped and positioned the workpiece automatically .

Safety guard

  • The machine is without safety guard.

Main servo axes:

Z-axis

  • Servo motor drive screw
  • Flexible coupling
  • Ball screw structure
  • Infinitely variable speeds

Feed speed range:5~500mm/min

Rapid moving speed:3000mm/min

Feed motor torque:10Nm

  • Guide linear: Made in Taiwan, The linear sliders are with sealing.
  • Z-axis: Servo motor drives the lead screw rotating by flexible coupling; Stepless speed regulation can be realized.

Drill Box

Drill box structure

  • Iron casting box, main spindle, Chinese brand bearing, American Deublin rotary connector, synchronous belt, synchronous belt wheels, main motor(Servo spindle motor).
  • Drill box motor
  • 9.5kw(Frequency conversion motor),Rotary speed range 500- 5000r/min(stepless)
  • The end face of the drill box adopts Deublin rotary connector.

Drill box feature

  • The main motor drives the belt wheel to rotate.
  • The synchronous belt drives the main spindle and drill bit rotate
  • The main spindle is front driven structure, to prevent oil splashing on the motor, to improve the motor life.

Drill bits connection

  • The gun drill bits handle is fixed on the front end of the drill box main spindle
  • There are 3 screw holes on the front face of the main spindle for standby

Coolant system

Coolant tank

Floor Mounted

Coolant system flow

150L/min(adjustable) 

Coolant tank volume

About 1000L(dirty oil tank and clean oil tank separately)

Coolant pump motor power

7.5kw (inverter motor) 

Coolant system pressure range

8MPa(adjustable)

Paper filter and magnet filtering

20μm level of purity

Cutting oil

810 cutting oil (Chinese brand)/deep hole gun drill cutting oil.

Chain plate chips convoyor

Automatically

 

Lubrication system:

Lubrication system

Automatic lubrication station, supply lubricating to the drill box, ball screw, linear guide rail and sliders.

Lubrication system pressure

0.8MPA

Lubrication tank capacity 

1.5L

Oil level sensor

Low level sensing-light alarm and bell alarm.

Lubrication oil type

Mineral base oil

 

Electrical system

Machine controlling system

GSK

Electrical cabinet

  • Main components with Chinese brand.
  • Electrical cabinet surface is power coating treatment.
  • With dust sealing strips.

Air circulation

Exhaust fan(two sets)

Supply voltage

3 phase, 380V, 50HZ (Or follow customer’s require)

Total connected power

 

 

 

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