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G-250MY_Milling-turning compund lathes_GUANGZHOU MACHINE TOOL WORKS CO.,LTD
G-250MY
Description:
The G-250M and G-220M lathes are particularly suitable for turning,milling,drilling and other one-time molding processes in rough and fine procedures of medium-large shafts and disks parts.The whole equipment adopts entire enclosure protection and features stable and solid,with an extensive use in the production of parts for various industrial products.In addition,it is available to be configured with high-speed robots on demands,realizing unmanned flexible production.

Features:

1、Y-axis:It realizes a compound function of turning and milling using an interpolated Y-axis structure,or turret with Y-axis structure.(model shall be marked with “Y”)

2、spindle:The spindle is structured with a high-power,large-torque,and high-precision sleeve,characterized by increased reduction ratio and good low-speed performance,and configured with a high-precision internal magnetic ring encoder,thereby being suitable for C-axis cutting. 

3、Turret:It is configured with the servo motor indexing, crankset positioning and hydraulic clamping mechanisms.It achieves milling-turning machining by a variety of fixed tool seats,0°,90°,and universal milling heads.

4、X/Z-axis:It is driven by a high-grade imported precision ball screw with the roller guide widened and span increased,thereby with standing heavy cutting.

5、Tailstock:Automatic programmable tailstock for easy operation and application



Specifications:

Item

unit

G-250MY600

G-250MY400

Remark

 

Working range

Maximum spinning diameter

mm

Φ530


Maximum turning diameter of disk parts

mm

Φ300


Maximum machining length

mm

        600

       400


Saddle inclination against the level

°

45°


 

 

Spindle

Spindle motor

kw

11/15(continuous/30minutes)

7.5/11(continuous/30minutes)


Spindle end


A2-6


Diameter of spindle through-hole

mm

Φ62


Maximum rotational speed of spindle

r/min

4500


Spindle precision

mm

  Radial clearance≤0.008,                                             axial clearance≤0.005


 

 

 

 

Coordinate axis

Maximum travel along the horizontal direction(X-axis)

mm

275


Maximum travel along the vertical direction(Z-axis)

mm

670

470


Maximum travel of interpolated Y-axis

mm

±55


X-axis serve unit


15Nm,4000r/min


Z-axis serve unit


15Nm,4000r/min


Maximum feed rate along the X-axis

m/min

24


Maximum feed rate along the Z-axis

m/min

24


Positioning precision

mm

X±0.006,Z±0.011,Y±0.006


Repeated Positioning precision

mm

X±0.003,Z±0.003,Y±0.003


 

 

Tool post

Type of tool post


Servo power tool post


Number of tools


12-station


Specification of outer diameter and end face tool holder

mm

25X25


Diameter of inner hole tool seat

mm

Φ32


Specification of power unit chuck


ER32


Clamping device

chuck


8"three-jaw medium hollow oil pressure chuck


Hydraulic cylinder


Medium hollow rotary cylinder


Hydraulic tailstock

Maximum travel of centre sleeve


100


Maximum travel of tailstock

mm

400


 Taper of the center sleeve


MT5


Hydraulic system

Oil tank capacity

L

60


Hydraulic pump pressure

kg

35


Chip removal

Auto chip conveyor(optional)


Chain plate type chip removal conveyor and chip collecting truck


 

     Others

Total capacity of lathe power supply

kw

29

         25


Boundary dimension:length x width x height

 mm

3100x1750x2000

2750x1750x2000


Net weight of lathe

kg

3800

      3500