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Bridge machining center

3 axes | Movable worktable | BT50 spindle

• High precision• High speed

• High flexibility

• Powerful functions

Description

 

DESCRIPTION

 

 

TECHNICAL DATA

 

 

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HIGHLIGHTS

 

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Design of fixed-beam with movable worktable

  • The worktable is movable (X-axis), the spindle moves along the beam (Y-axis), and the ram moves up and down (Z-axis)
Higher rigidity, better dynamic performance and precision

  • The fixed beam structure has good rigidity, large bearing capacity of spindle, which can bear more processing intensity.
  • Simple structure with light-weight moving parts makes it easier to control the machining deformation.
  • Short distance between the beam and the workbench to achieve higher stability, better dynamic performance and accuracy.
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Excellent in heavy-duty and rigid machining

Adopt rectangular double column gantry structure, which has enough rigidity to the load in all directions and twists, ensures high machining accuracy on the basis of high machining strength.

  • The saddle is equipped with 7 sliders ensures good anti-seismic performance
  • The distance from the spindle center to the Y-axis guide surface is short, and the turning torque is small
  • Large cross section of the beam and span of the guide rail
  • Y axis guide adopts imported heavy-duty guide support
High responsiveness is achieved through the Z-axis dual servo drive

  • The Z-axis dual servo realizes to drive at Center of Gravity, ensuring the forces (F) on both sides are balanced, eliminating the rotation torque generated during the drive. High responsiveness and synchronization are achieved during acceleration, thus achieving stable machining accuracy.
 

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High rigidity machine bed ensures stable processing

  • Drive on center of gravity for good guidance
  • Screw is installed on the center of gravity position, ensures the rigidity and stability
  • The worktable has small overhanging and high rigidity
  • The bed with four guide rail structure
  • Adopts imported linear guide with high precision, high rigidity, small friction, long-term accuracy.
 

High strength spindle unit

  • Reasonable motor installation position
    The heat generated during the processing is discharged upwards
  • Adopts rigid coupling
    Faster dynamic response
  • Higher strength spindle bearing
    With bigger diameter of the spindle bearing, the spindle structure is more stable.
  • The spindle cooling
    Reduce the influence of machining heating on spindle accuracy.
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亮点7.png Top-class numerical control system with high processing stability

  • The Siemens and Fanuc  CNC system is adopted
  • With powerful functions and full-level data transmission
  • Adopts a modular and open architecture design with high scalability
  • Increase the flexibility and productivity of the machine tool

BASIC INFORMATION

  • The machine integrates powerful functions of drilling, milling, boring, expanding, reaming, rigid tapping, linear interpolation, arc interpolation, spiral interpolation, complement, three-coordinate linkage.
  • Machining for various metal workpieces, such as large parts, plate parts, shell parts, molds and other precision parts.
  • Widely used in industries such as shipbuilding, power generation, heavy machinery, mold manufacturing and etc.

 

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CONFIGURATION

Standard Configuration

Siemens 828D CNC system

4500 rpm spindle speed

Spindle gearbox

Fully-enclosed square ram

Spindle constant tempreture system

Pneumatic lubrication system

X/Y axis guide rail protection

External cooling system (air/water)

Screw chip conveyor

The foundation installation

Rigid tapping

Tri-color alarm lamp

Lighting device of machine

Portable handheld unit

Push button station

Accessories with the machine

Optional Configuration

Fanuc Oi-F PLUS CNC system

6000 rpm spindle speed

24-location tool magazine (vertically tool change)

30-location tool magazine (vertically tool change)

40-location tool magazine (vertically/horizontally tool change)

60-location tool magazine (vertically/horizontally tool change)

Automatic narrow 90° angle head

Automatic 90° angle head

Automatic extension head

Accessory head changer (automatic)

Linear encoder closed-loop control

4th axis rotarty table

Through-spindle coolant (TSC)

Exchangeale pallets

Workpiece inspection

Tool detection

VIDEO

TECHNICAL DATA

Items Unit PGMA3040 PGMA3060 PGMA3080
Travel X-axis mm 4200 6200 8500
Y-axis mm 4500
Z-axis mm 1600
Spindle nose to table mm 300 – 1900
Distance between columns mm 3700
Worktable Size mm 3000*4000 3000*6000 3000*8000
Max. load t 24 36 48
Spindle unit Type / Mechanical
Power kW 37/55.5(S1-S6-40%)
Speed rpm 2500
Torque Nm 1873/2810(S1-S6-40%)
Taper / BT50
Square ram mm 450*450
Feedrates Rapid on X/Y/Z m/min 10/15/10
X/Y/Z Cutting Feed Rate m/min 6/6/6
Dimension Machine Height mm 8000
Machine Width mm 9000
Machine Length mm 12000 16000 20000
Machine Weight t 80 90 100

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