TSK2280 CNC deep hole drilling and boring machine

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Equipment Profile

The boring method of this machine is push boring with forward chip removal, which is granted by the oiler and delivered directly to the cutting zone through a special oil pipe. Machining is done by chuck and top plate clamping, with the workpiece rotating and the boring bar doing Z-feed motion.

Category	Item	Unit	Parameters
Processing precision	Aperture accuracy		IT9 - IT11
	Surface roughness	μ m	Ra6.3
	Straightness after processing	mn/m	0.12
Machine specification	Center height	mm	800
	Max. Boring diameter	mm	φ800
	Min. Boring diameter	mm	φ250
	Max. Hole depth	mm	8000
	Chuck diameter	mm	φ1250
	Chuck clamping diameter range	mm	φ200～φ1000
	Max. Workpiece weight	kg	≧10000
Spindle drive	Spindle speed range	r/min	2～200r/min stepless
Spindle drive	Main motor power	kW	75
Center rest	Oil feeder moving motor	kW	7.7， Servo motor
	Center rest	mm	φ300-900
	Workpiece bracket	mm	φ300-900
Feeding drive	Feeding speed range	mm/min	0.5-1000
	Number of variable speed stages for feed rate	step	stepless
	Feeding motor power	kW	7.7， servo motor
	Rapid moving speed	mm/min	≥2000
Cooling system	Cooling pump motor power	KW	7.5*3
	Cooling pump motor speed	r/min	3000
	Cooling system flow rate	L/min	600/1200/1800
	Pressure	Mp.	0.38
	CNC system		SIEMENS 828D
	Machine weight	t	70