CNC Fixed Gantry Frame Machining Center (Gy Series)

GY Series Gantry Machining Center (Linear Guide)  Machine Summary:    GY  series gantry machining center adopts the closed gantry frame strucutre consisiting to bed ,column and beam, with features of high rigidity and high stability.The machine tool can finish the processing of milling ,boring ,drilling,

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GY Series Gantry Machining Center (Linear Guide) 
 
Machine Summary:

    GY  series gantry machining center adopts the closed gantry frame strucutre consisiting to bed ,column and beam, with features of high rigidity and high stability.The machine tool can finish the processing of milling ,boring ,drilling,tapping and sinking.It is mainly designed for the processing 
of automobile sheet metal mold, plastic mold ,precision machinery parts and aerospace and shipbuilding.Equipped with the accessory milling head, it can realize the five-face processing at one time of clamping ,serving several purposes.It can effectively enhance the processing precision and 
processing efficiency.
 
Structure and Performance:

1.The integrated casting of column and beam can reduce the binding site to provide more guarantee for the stability of YZ axes.(Suitable for series type with the portal width of 1.2and 1.8m).
2.Apply the computer-aided engineering (CAE) system to finish the optimized structure design and enhance the reliabilit of machine tool ,and the finite element method (FEM) to take the scientific analysis and optimization of design structure,which can guarantee the rigidity and stability of the whole machine structure.
3.X-axis with portal width over 2.8m adopts the design of 4-linear guide.It can provide more balanced supporting points for the table and thus guarantee that the table can keep its shape during the nominal loading.
4.The integrated casting of machine tool base with the travel of 6m and less can reduce the binding face to guarantee the rigidity and precision stability.
5.The surface of hand guide is treated by the high frequency quenching and the hardness can reach HRC 45,with the higher cutting propety.

6.Apply two-times aging treatment for the cast to guarantee the complete release of internal stress and the precision persistence of the machine tool.
7.The casting of the machine tool is made of high strength inoculated cast iron and high quality resin bonded sand,which is treated by multiple aging techniques to ensure the rigidity abd stability of the machine tool.X-axis adopts the imported high-precision linear rolling guide to meet the high-precision and high-efficiency processing.
8.The addition of supporting mechanism on the screw with the travel over 4m can effectively avoid the falling caused by the deadweight due to the overlength of screw and thus prolong its service life and reliabolity of precision during the processing.
9.The transmission mechanism with the large loading adopts the precision planet gear box characterized by the large transmission torque,high efficiency and precision.All servo axes are driven by spring coupling with good rigidity and accurate travel.
10.It can be equipped with the slope beam design to effectively resolve the cast gravity and work-piece cutting force.

11.The heavy-duty linear guide is characterized by the fast speed ,high precision and strong bearing capacity.
12.The standard gear-type spindle with the portal width of 2.8m and over can realize the high-torque heavy cutting.
13.The precision assembly of spindle in the constant temperature,dust-free and closed environment can guarantee the assembly precision.
14.3-axis bearing seat is scraped precisely without the gasket design to guarantee the smoothness of 3-axis transmission.
15.The foot treadle (optional)and moving foot-operated switch (optional)are convenient for users to get up and down the machine tool to change the tool.

16.The large type adopts the hanging-type operation box that can be rotatable to the table surface and convenient for users' operation.
17.Hydraulic balancing system can guarantee the smooth operation of Z-axis.
18.It leaves the mounting surface of tool magazine to add the tool magazine quickly later.

Technical Parameters
SpecificationsUnitsGY-2212L/GY-3212LGY-2518L/GY-3018L/GY-3518L/
GY-4018L/GY-4518L
GY-3024L/GY-4024L/GY-5024LGY-3228L/GY-4228L/GY-5228L/GY-6228LGY-5232L/GY-6232L/GY-8232L
Table Table dimensionmm2200/3200*11002500/3000/3500/4000/4500*16003000/4000/5000*20003200/4200/5200/6200*25005200/6200/8200*2800
Interval of two columnsmm12001800240028003200
Max.loadkg4000/50007000/8000/9000/10000/110008000/10000/1200014000/16000/18000/2000018000/20000/24000
T-slot(Dimension*
Distance*quantity)
mm22*150*722*180*928*200*928*220*1128*200*13
TravelX-axis travelmm220/32002500/3000/3500/4000/45003000/4000/50003200/4200/5200/62005200/6200/8200
Y-axis travelmm12001800240028003200
Z-axis travelmm750850100010001000
SpindleDistance from X-axis 
end surface to table 
mm200-950200-1050250-1250350-1350350-1350
Spindle type  BT50BT50BT50BT50BT50
Rivet type  BT50-45°BT50-45°BT50-45°BT50-45°BT50-45°
Spindle speedrpm60006000600060006000
Main motor powerkw(9/11)/(15/18.5)11/18.513/2222/2622/26
Max.output torqueNm(85.9/140)/(95.4/117)262/441310/524560/640560/640
Feeding 
speed
Guide type X/Y/Z Linear railLinear railLinear railLinear railLinear rail
Rapid traverse speed Xm/min162518/3018/3518:16 4018/4518:12121212
Rapid traverse speed Ym/min1616121212
Rapid traverse speed Zm/min1212101010
Cutting and feeding speedmm/min1-80001-80001-80001-80001-8000
Tool 
magazine 
(optional)
Tool magazine capacityT24/32/4024/32/4024/32/4024/32/4024/32/40
Tool holder type  BT50BT50BT50BT50BT50
Max.length of toolmm300300300300300
Max.diameter of tool
(Full tool/Isolated tool)
mmΦ125/Φ200Φ125/Φ200Φ125/Φ200Φ125/Φ200Φ125/Φ200
Tool exchange time sec.3.5/5.53.5/5.53.5/5.53.5/5.53.5/5.5
Precision
(ISO)
Location precision X
(Semi-closed loop)
mm0.018/0.0210.019/0.02/0.022/0.023/0.0250.024/0.027/0.030.024/0.024/0.03/0.0330.037/0.042/0.052
Location precition Y
(Semi-closed loop)
mm0.0150.0170.020.0210.028
Location precition Z
(Semi-closed loop)
mm0.0120.0120.0160.0160.023
Repeat location precision X
(Semi-closed loop)
mm0.01/0.0140.011/0.011/0.014/0.014/0.0160.011/0.014/0.0160.011/0.014/0.016/0.0180.016/0.018/0.022
Repeat location precision Y
(Semi-closed loop)
mm0.0090.0090.0110.0130.015
Repeat location precision Z
(Semi-closed loop)
mm0.0060.0070.0090.0090.009
OthersPower capacityKva30/505050/60/6050/50/60/6060/60/70
Pressure of air supplykgf/cm26.56.56.56.56.5
Overall dimension
(Length*Width)
mm*mm6500/8500*35007700/8700/9700/10700/11700*45009000/11000/13000*55009500/11500/13500/15500*600013600/15600/19600*7000
Machine heightmm39004800550055007000
Net weight of tool 
machine(Approximate)
kg22000/2600028000/30500/33000/35500/3800046000/52000/5800052000/58500/65000/7150075000/82000/96000
Note:Optional: Y/Z axis  guide type is hard rail.

Standard configuration:
FANUC CNC system
Belt-type spindle speed is 6000rpm(1.2/1.8/2.4 series)
Gear-type spindle speed is 6000rpm(2.8/3.2 series)
Auto. chip removal (both sides screw and chain-type)
Electric cabinet air conditioning
Centralized automatic lubrication system
Air filtration purification device
Spindle oil cooler
Cooling device
Air gun
Blowing artifacts
Hydraulic system
Machine protection shield
Air curtain protection
Lighting system
Three color light alarm
Communication interface
Handheld electronic hand wheel
Tools and tool box 
Horizontal adjustment bolts and shim
Technical documents

Optional configuration:
SIEMENS CNC system
MITSUBISHI CNC system
Gear-type spindle  speed is 6000rpm(1.8/2.4 series)
Spindle decelerrator(1.2/1.8/2.4 series)
Disc-type tool magazine 
Chain-type tool magazine 
CNC rotary table 
Planet gearbox
Linear scale
Spindle oil cooler(1.2/1.8/2.4 series)
Main shaft ring spray
Spindle central water discharge
Water gun
Manual 90° milling head 
Extended milling head 
Semi-auto. milling head
Z-axis travel is 1250mm(2.8/3.2 series)
Column heightening is 300mm

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