G-250MY_Milling-turning compund lathes_GUANGZHOU MACHINE TOOL WORKS CO.,LTD

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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
Clamping device	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 system	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

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