Separate Structure Bridge Type Gantry Machining Center Portal Machining Center

Product Description

Product display
The Portal4025 is a big size bridge type gantry machining center. The worktable is fixed, and crossbeam is moving . And it is also very rigid machine which can be used for heavy cutting also. Due to his structure, it can load very heavy workpiece but less floor covering.
Applications: This the big size gantry machine which can used for many industries: railway, Aeroplan, Auto molds, engineering parts etc.
Machine Features:
Guide rail base The guide rail bases are the box structure with reinforcing ribs. They are made of the HT300 resin sand-making precision casting. And the castings are treated for internal stress relieving by twice, so it can maintain long term precision.
Sliding plate,Ram The crossbeam sliding plate is the"7" shape. There are four sliding blocks connection between sliding plate and guide rail. And there is one auxiliary box way to support. The crossbeam plate and ram use rigid sliding guide rail, so the rigidity and stability are very good.
Crossbeam The crossbeam is the box structure with reinforcing ribs to improve the torsional rigidity. The crossbeam uses two linear guide rail and one auxiliary box way to support , which is the international advanced compound guide rail structure.(This is patented by NINGQING). This structure can not only meet rapid and precise moving , but can meet enough rigidity. The linear guide rail use the 55 heavy loading type.
Suitable for big work piece Less floor covering Bigger loading. The work table is fixed, so the loading capacity is not limited.
High-tech synchronous drive technology The crossbeam movement adapts the international advanced ultra precision synchronous drive technology, the position loop, current loop and the velocity loop. This can solve the different loading micro deviation because of single position loop.
Compound crossbeam guide rail (Patent) There is the extra box way based on original linear guide rail on the crossbeam rail, which can improve the cutting resistance force and loading area. The patented designing can overcome the come weakness of cantilever among the gantry machine.
Higher precise guide rail mounting surface The guide railing mounting surface is grinded by precision grinding machine, so the machine precision and work piece finish will be much better than fine milled mounting surface.
Auxiliary lead screw support Special lead screw support by auxiliary guide rail and blocks, so it can reduce the vibration of the lead screw
Standard Configuration
1.FANUC 0i MF/Siemens 828D controller
2.BT50 8000rpm spindle from Taiwan
3.P level roller linear guide rail THK/HIWIN/PMI
4.C3 level ball screw THK/HIWIN/PMI
5.NSK bearing
6.Control cabinet heat exchanger
7.Water gun and gas gun
8.Chip conveyor
9.LED work light
Optional Configuration
1.CTS (coolant through spindle)
2.Air conditioner of control cabinet
3.Spindle cooling
4.Grating scale
5.Tool setting gauge
6.CNC rotatory table
7.Mill head
Product Paramenters

ITEM	VC4025H
X/Y/Z traval	2500×4200×1200mm
Table dimensions	4000×2100mm
Table capacity	32000kg
T-slots	9×28mm
Spindle nose-to-table distance	350~1550mm (can be customized)
Spindle speed	6000 rpm
Spindle mount	BT50-190
Rapid feed	0~15000mm/min.
Work feed	0~15000mm/min.
Torque	1070/1604NM (rated 1000 rpm)
Max. workpiece width	2860mm
Max.loading height	1500mm (can be customized)
Positioning accuracy	0.01mm
Repeatability	0.005mm
Headstock motor rating	28/42KW
Motor rating X / Y axis	7.7KW
Motor rating Z axis (brakes)	7.7KW
Dimensions	7500×6100×4000mm
Weight	44T

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