Main characteristics    

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• The super columns and beam structure are used as the support, thereby ensuring the optimal rigidity; the inclined-back beam is taken; the widened slideway is featured with wide stress, and the center of gravity of the head evenly leans against the beam center; in this way, better accuracy and super heavy cut performance are achieved, and the whole structure has unique and high stability.

• Good configuration of the spindle: the center of spindle is close to the sliding rail of the Axis Z, thereby greatly reducing influence due to thermal displacement and possible bending deformation generated by cutting torque, and accordingly ensuring good accuracy. 

• The base uses the high-rigidity V-shaped structure; the best span is calculated for the bearing slideway of the table; and the bearing surface is wide and can still maintain good accuracy in case of the maximum load. 

• The suspended support is applied to the variable counterweight cylinder of the Axis Z and close to the center of gravity; the centers of the screw and the spindle motor are configured optimally, to avoid occurrence of unbalanced moment and ensure certainty of microfeed and long-term machining accuracy. 

Warranty of high-rigidity structure and high quality 

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• The counterweight balance of oil cylinder is taken for movement of Axis Z; in this way, movement is implemented stably and smoothly. A pressure accumulator is installed to more quickly supplement the hydraulic oil to the oil cylinder.  

• The precision leading screws with great diameters and appropriate preloads are applied to Axes X, Y and Z, and armed setting is used on the trailing end.  

• The box-type structure and comprehensive ribs are used for machine tool body as the support, as well as high-quality Meehanite castings, and the design structure having high-precision cutting and dry cutting requirements.  

• The full-support design is taken on the table during the whole stroke; therefore no deviation would generate due to suspension of the table. 

• The oversized door and ultra-long stroke are taken, to adapt to the machining requirements of big workpieces.   

• The BT-50 short nose spindle having a revolving speed achieving 6000rpm is used and assembled with a high-precision bearing having a diameter achieving 100mm. As for taper of BT-50 inner hole, the nose design of the short spindle is taken; in this way, it is suitable for heavy cut; in connection with the planetary transmission gear box of Germany, the torsion of the spindle can achieve 572N-m, and the spindle having the revolving speed at 8000rpm can be selected. 

• The helical and chain-plate type debris removal: two sides of the machine base are equipped with the helical cutting parts; in this way, the iron scraps generated during machining can be conveyed to the chip conveyor in front of the machine tool easily, and discharged into a collecting cart through the chip conveyor.

Technical Parameters

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Basic specification:	unit	GL1510	GL1613	GL-2015	GL-2518	GL-3022	GL-6032
Stroke
Strokes of Axes X, Y and Z	mm	1500/1000/500	1600/1300/600	2000×1650×800	2500×1800×1000	3000×2200×1000	6000×3200×1000
Nose of the Spindle to the Table Surface	mm	200-700	200-800	175-975	250-1250	250-1250	200-1200
Center of the Spindle to the Shield Surface of Axis Z	mm	1050(Gantry width）	1400(Gantry width）	1650(Gantry width）	1900（Gantry width）	2200（Gantry width）	3200（Gantry width）
Maximum Load of the Table
Table Size	mm	1600X900	1700X1200	2000×1200	2500×1600	3000×1800	6000×2500
Maximum Load of the Table	kg	2500	3000	7000	10000	13000	22000
Size of T-Shaped Slot (Width * Number of Slots * Interval)	mm	18X5X165	18X7X150	22×7×170	22×9×180	22×9×180	28×10×220
Spindle
Revolving Speed of Spindle	rpm	6000	6000	6000	6000	6000	6000
Horsepower of Spindle Motor	kw	15/18.5	15/18.5	22	22	22	26
Taper of Spindle		BT-50	BT-50	BT-50	BT-50	BT-50	BT-50
Diameter of Spindle	mm	155/190	155/190	200	200	200	200
Feed Rate
Maximum feed rates of Axes X, Y and Z	m/min	20X20X20	20X20X20	12×12×12	12×12×12	12×12×12	12×12×10
Accuracy
Repeated Accuracy	mm	±0.003	±0.003	±0.003	±0.003	±0.003	±0.003
Positioning Accuracy	mm	±0.005	±0.005	±0.015	±0.015	±0.015	±0.015
Automatic tool changer
Form of Tool Changer		Knife arm	Knife arm	Knife arm	Knife arm	Knife arm	Knife arm
Capacity of the Tool Magazine	support	24	24	24	24	24	24
Maximum Tool Diameter	mm	105/200	105/200	105/200	105/200	105/200	105/200
Maximum Tool Length	mm	350	350	350	350	350	350
Maximum Tool Weight	kg	15	15	15	15	15	15
Tool changing time (T-T)	sec	3.8	3.8	3.8	3.8	3.8	3.8
Power Source
Pressure of air machine	kgf/cm2	7	7	7	7	7	7
Power demand	KVA	35	35	40	40	50	60
Size and weight of the machine
Net weight	T	15	18	18	24	33	60
Overall size (length * width*height)	m	4.8X3.2X3.8	5X3.9X4	6.4×4.2×4.3	7.5×4.5×4.6	8.5×4.7×4.9	15.5×6.5×5.5