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Metal Working machine / CNC Machine / Gantry Machining Center

GMC1820 CNC Gantry Machining Center

Worktable size 1800X2000
Table travel: 2000X2200
Max. load of worktable 6000 kg
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1. Basic characteristics of machine tools
GMC1820 gantry machining center is based on the most popular international, advanced, flexible machine tool design concept development, suitable for aerospace, shipbuilding, power generation, military, heavy machinery, locomotives, machine tools, textile machinery, printing machinery, automotive panel molds and other industries of large-scale machining.The high strength, high rigidity design of the machine tool and the structural characteristics of the large flow chip removal channel make it particularly suitable. It is used for high-speed machining of various metal materials including titanium, tool steel and so on.  in metal cutting of gantry machine tool, and fully meets the needs of CNC machining of various kinds of precision parts such as basic large parts, plates, discs, shells, dies and so on. The workpiece can finish milling, boring, drilling, reaming, rigid tapping and other processes continuously with high precision and high efficiency after one clamping, which meets the most challenging machining requirements of various industries.

2. machine tool features


High strength HT300 inoculated cast iron with resin sand moulding and reasonable rib structure are adopted in major castings, which have good rigidity and strong stability. In addition, after annealing and long-term natural aging treatment, the residual internal stress can be eliminated to the greatest extent to ensure the long-term high precision and service life of the machine.   High rigid base: the internal rib height of the base adopts V-shaped structure design, which greatly improves rigidity, wide bearing surface, and maintains the best dynamic horizontal accuracy at the maximum load; the scrap groove and the base are formed in one body to strengthen the mechanical rigidity, increase the stability of the machine tool during processing, and there is no doubt of water leakage. Stepped sliding seat: widened slideway design, the center of gravity of the head is close to the center of the beam, to achieve the best kinematic accuracy and heavy cutting ability, highlighting the unique high stability.Increase the columns, beams, box-shaped reinforcement design, strengthen mechanical rigidity, effective suppression of vibration generated by processing.

C3 grade ball screw, zero backlash and high rigidity, fixed support at both ends, pre stretching. Rigid structure, good thermal stability and good accuracy. X, Y axis Taiwan silver fine P class (precision class) linear guide, Z axis hard rail, with wear-resistant high-grade fluoride resin (using the United States TURCITEB wear-resistant sheet), with low resistance, low friction coefficient and vibration damping characteristics, to ensure the whole machine moving speed, rigidity and machine accuracy. Imported bearings from Japan NSK high precision angle bearings, 4 pairs of bearings per shaft design, greatly improve the processing stability.

3. The machine tool power supply is 3_380V 50HZ of three-phase four-wire system; the allowable fluctuation value of power supply voltage: + 15%; the allowable fluctuation value of power supply frequency: + 1%. The machine tool must be grounded safely with a separate cable, and the grounding resistance should be less than 4 ohms; the gas source: 0.4-0.6 Mpa, and the ambient temperature range of the machine tool workshop should be 17-25 degrees Celsius. The daily temperature difference is within The machine tool is installed in a workshop far from the source of earthquake, heat source and heat flow, and its vibration is below 0.5G (G is gravity acceleration).



 

     Item

Unit

Spec.

Mark

Machining range

Width of table

mm

1800

 

Length of table

mm

2000

 

T slot

 

9/28/200

 

Max. Load of table

kg

6000

 

Effective width of gantry

mm

2600

 

Max. Height of the gantry

mm

1200

 

Distance between vertical spindle to table surface

mm

200~1200

 

Table travel

Max. Travel of X

mm

2200

 

Max. Travel of Y

mm

2000

 

Max. Travel of Z

mm

1000

 

Spindle
 

Item

 

Standard   (First grade  synchronous belt)

Optional
(With ZF gear box)

Motor power

kW

18.5/22

18.5/22

Speed range

rpm

30-4000

30-4000

Rated torque

N.m

212

471

Max. torque

N.m

252

560

Max. broach

N

18000

18000

Table system(X)

Structure type

 

Table movement

 

Guideway type

 

Heavy linear guide rail pair

RGW65

Quantity of rail pair

set

2

 

Transmission form

 

Arc tooth belt

 

Reduction ratio

 

1:3

 

Drive unit

 

Ball screw pair

R80-20K5-FDC

Saddle system(Y)

Structure type

 

Saddle movement

 

Guideway type

 

Heavy linear guide rail pair

RGW55

Quantity of rail pair

set

2

 

Transmission form

 

Arc tooth belt

 

Reduction ratio

 

1:2

 

Drive unit

 

Ball screw pair

R63-12K5-FDC

Slide system(Z)

Structure type

 

Slide movement

 

Guideway type

 

Rectangle plastic-surface guideways pair

 

Quantity of rail pair

set

2

 

Transmission form

 

Arc tooth belt

 

Reduction ratio

 

1:2

 

Drive unit

 

Ball screw pair

R63-12K5-FDC

Rapid feed speed

X

mm/min

12000

 

 Y

mm/min

12000

 

 Z

mm/min

8000

 

Cutting feed speed range

X,Y

mm/min

1-4000

 

Z

mm/min

1-2000

 

Positioning accuracy of linear axis(GB/T19362.1-2003)

X

mm

0.035

Half closed-loop control

Y

mm

0.030

Z

mm

0.022

Repeat Positioning accuracy of linear axis

X

mm

0.018

Half closed-loop control

Y

mm

0.015

Z

mm

0.012

Working accuracy

Fine boring surface roughness

 

≤Ra1.6

HB230~260 Steel

Fine milling surface roughness

 

≤Ra3.2

Working Environment

Temperature

 

0ºC-40ºC

 

Vlotage

V

380(-15%,+10%)

 

Power frequency

Hz

50±1%

 

Relative humidity

 

≤90%

 

Compressed air pressure

MPa

0.5~0.7

 

Cnc system

Model

 

FANUC 0i-MF

 

The total number of control axis

Axes

3

 

Linkage control axis number

Axes

3(Linear axis)

 

Tool change system

Taper

 

BT50

 

Tool magazine

 

arm type/24pieces

 

Max. Weight of tool

kg

25

 

Max. Length of tool

mm

350

 

Auxiliary function

Lubrication type of guideway pair/ball screw pair

 

automatic centralized lubrication

 

Operation panel

 

suspension type

 

Operation type of manual tool change

 

Control by button

 

Status indication

 

Three-colour warning lamp

 

Cooling type of tool/workpiece

 

Liquid external cooling

 

Overall dimension

Length

mm

7130

 

Width

mm

4380

 

Height

mm

5100

 

Machine weight (about)

kg

31000

 


 

 



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+86 15358284628
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