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Dema dual spindle machining center

Product details

1、 Main parameters of the equipment

Project		Unit	Specifications
Passing height below the crossbeam		mm	465
Workbench	Workbench size (length × Width)	mm	630×1300
	Processing scope	mm	580×580
	T-slot size	mm	100-（18×30）-5
	Maximum load capacity of workbench	kg	700
Stroke	X/Y/Z axis travel	mm	580/580/178
	Spindle nose end to workbench	mm	440～618
	From the center of the spindle to the surface of the column guide rail	mm	165
Electric spindle	Spindle taper -1:10	/	HSK 63A
	Maximum spindle speed	r/min	18000
	Spindle motor	kw	15/18.5
	torque	N.m	11.8-32
Feed rate	Cutting feed (X/Y/Z axis)	mm/min	1～12000
Feed rate	Rapid feed (X/Y/Z axis)	mm/min	32000/32000/12000
Accuracy	Positioning accuracy	mm	0.005 for the entire journey
Accuracy	Repetitive positioning accuracy	mm	0.003 for the entire journey
Automatic tool change system (Optional)	Number of cutting tools	T	16
	Knife changing method	/	random
	Maximum tool diameter	mm	Φ30
	Maximum tool length	mm	180
	Maximum tool weight	kg	3.5 (Tool offset load)
	Knife handle form	HSK	HSK 63A
	Tool change time	s	3（T-T）
Other	Air pressure demand	kgf/cm²	≥6
	Maximum processing speed	mm/min	12000
	Maximum diameter of processed workpiece	mm	Φ580
	Power demand	kVA	Total 55Kw - Used 37Kw
	Machine weight (including cold box)	T	Approximately 5.6 tons
	Floor area (long) × wide × high	mm	2600×2590×2200

2、 Innovation and advantages of Dema equipment

(1) Gantry frame structure, symmetrical structural layout

The bed, mountain shaped columns, and crossbeams form a gantry frame structure, which can enhance the rigidity and dynamic characteristics of the machine tool. Two main shafts are installed on the same spindle box and symmetrically arranged on both sides of the crossbeam to achieve balance between cutting torque and inertia torque.

德玛双主轴加工中心2-1

(2) Introducing dual spindle balance force

Dual spindle simultaneous machining balances the torque received during single spindle machining, reduces tool deformation, and improves accuracy. Through simulation verification, the force stiffness of the dual spindle is increased by four times.

德玛双主轴加工中心2-2

(3) Lightweight design of moving parts

By using finite element topology optimization design, weight reduction can be achieved while maintaining stiffness, which can effectively reduce inertial forces and make the motion of the machine tool easier to control.

德玛双主轴加工中心2-3

3、 Configuration and performance

(1) Mechanical structure

The main body of the equipment is a "mountain" shape, with a large foot plate and a symmetrical spindle structure, which has advantages such as weight balance, force cancellation, and rigid feet.

(2) System electrical appliances

FANUC 0i-MF- α System package 1+AICC2 function+proflnet bus technology board, functional software, can be connected to automated robot production lines, achieving automation, unmanned, and automated production lines.

(3) Spindle unit

Equipped with HSK63-18000r/min electric spindle developed in cooperation with Dema Intelligent Machinery Co., Ltd. and Spindle Company, the spindle power is 18.5/26KW, and the maximum torque can reach 20-28Nm when operating at high speed of 11000r/min. Customers can choose the spindle model, power, and configuration according to their needs.

(4) Tool magazine

The matrix tool magazine HSK63-32T independently developed by Dema Intelligent Machinery Co., Ltd.

(5) Main accessories

The three-axis rail adopts THK heavy-duty high-precision grade, the three-axis screw adopts THK high-precision grade, and the three-axis screw bearing adopts NSK screw special bearing high-precision grade.