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G-250_CNC lathe with inclined rail_GUANGZHOU MACHINE TOOL WORKS CO.,LTD
G-250
Description:
The G-250,G-300,G-210H are especially suitable for turning,drilling and other processes in rough and fine procedures of meduim and medium-small 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、spindle:The spindle is structured with high-power,large-torque,and high-precision sleeve,characterized by increased reduction ratio and good low-speed performance.

2、Turret:The servo turret is configured with the servo motor indexing,crankset positioning and hydraulic clamping mechanisms,or a traditional servo turret is used.

3、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.

4、Tailstock:Adopt a tailstock of high rigidity and mountain-typed flat guide rail for easy movement.



Specifications:

Item

unit

     G-250/650

     G-250/500

Remark

 

Working range

Maximum spinning diameter

mm

Φ580


Maximum turning diameter of disk parts

mm

Φ350


Maximum machining length

mm

        650

       500


Saddle inclination against the level

°

30°


 

 

Spindle

Spindle motor

kw

11/15（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

190


Maximum travel along the vertical direction(Z-axis)

mm

       670

      530


X-axis serve unit


15Nm,3000r/min


Z-axis serve unit


15Nm,3000r/min


Maximum feed rate along the X-axis

m/min

36


Maximum feed rate along the Z-axis

m/min

36


Positioning precision

mm

X±0.006,Z±0.011,


Repeated Positioning precision

mm

X±0.003,Z±0.003,


 

 

Tool post

Type of tool post


 servo tool post


Number of tools


8-station


Specification of outer diameter and end face tool holder

mm

25X25


Diameter of inner hole tool seat

mm

Φ32


Clamping device

chuck


8"three-jaw medium hollow oil pressure chuck


Hydraulic cylinder


Medium hollow rotary cylinder


Hydraulic tailstock

Maximum travel of center sleeve

mm

80


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


Chain plate type chip removal conveyor and chip collecting truck


 

     Others

Total capacity of lathe power supply

kw

22


Boundary dimension：length x width x height

 mm

2870x1600x1700

2620x1600x1700


Net weight of lathe

kg

3600

      3300