MK28 series CNC vertical internal cylindrical grinding machine

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MK28 series CNC vertical internal cylindrical grinding machine

　　MK2820, MK2840, MK2860, MK2880, MK28100 and other specifications, the machining of holes with diameter in the range of 100- ~ 1000mm, internal hole of the machine is suitable for large diameter and high precision plate parts. Concave, convex face grinding step hole.

　　The vertical structure of the machine, AC servo drive, the Siemens CNC system, semi closed loop control, optional FANUC or domestic CNC system, optional grating ruler, a full closed loop control.

Name of the project	Company	MK2820	MK2840	MK2860	MK2880
Table diameter	mm	Φ400	Φ630	Φ1000	Φ1250
Maximum workpiece diameter rotary	mm	Φ500	Φ800	Φ1100	Φ1400
Maximum grinding diameter	mm	Φ200	Φ400	Φ600	Φ800
Maximum grinding depth	mm	150	200	300	300
The maximum height of the workpiece grinding	mm	150	200	300	300
Speed of working table	r/min	50～150	50～150	50～150	50～100
Table bearing	kg	1000	1000	2000	3000
X, Z axis feed speed	mm/min	0.1～5000	0.1～5000	0.1～5000	0.1～5000
X, Z axis rapid feed rate	m/min	10	10	10	10
Travel of X axis	mm	350	500	750	900
Travel of Z axis	mm	200	300	350	400
X, Z axis feed resolution	mm	0.001	0.001	0.001	0.001
Positioning accuracy (JB/T8771.4)	mm	0.015	0.015	0.015	0.015
Repeat positioning accuracy (JB/T8771.4)	mm	0.007	0.007	0.007	0.007
Linear speed of grinding wheel	m/min	35～50	35～50	35～50	35～50
The grinding wheel spindle	KW、r/min	12、9000	10、6000	10、6000	10、6000
Work spindle motor	KW	3	3	3	4
Source requirements	MPa、L/min	0.6、500	0.6、500	0.6、500	0.6、500
Weight of machine	kg	5000	6000	8000	9000
Overall dimensions (length * width * height)	mm	2200×1800 ×2200	2200×2250 ×2570	3140×2850 ×3000	3500×2950 ×3000

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Name of the project	Company	MK2820	MK2840	MK2860	MK2880
Table diameter	mm	Φ400	Φ630	Φ1000	Φ1250
Maximum workpiece diameter rotary	mm	Φ500	Φ800	Φ1100	Φ1400
Maximum grinding diameter	mm	Φ200	Φ400	Φ600	Φ800
Maximum grinding depth	mm	150	200	300	300
The maximum height of the workpiece grinding	mm	150	200	300	300
Speed of working table	r/min	50～150	50～150	50～150	50～100
Table bearing	kg	1000	1000	2000	3000
X, Z axis feed speed	mm/min	0.1～5000	0.1～5000	0.1～5000	0.1～5000
X, Z axis rapid feed rate	m/min	10	10	10	10
Travel of X axis	mm	350	500	750	900
Travel of Z axis	mm	200	300	350	400
X, Z axis feed resolution	mm	0.001	0.001	0.001	0.001
Positioning accuracy (JB/T8771.4)	mm	0.015	0.015	0.015	0.015
Repeat positioning accuracy (JB/T8771.4)	mm	0.007	0.007	0.007	0.007
Linear speed of grinding wheel	m/min	35～50	35～50	35～50	35～50
The grinding wheel spindle	KW、r/min	12、9000	10、6000	10、6000	10、6000
Work spindle motor	KW	3	3	3	4
Source requirements	MPa、L/min	0.6、500	0.6、500	0.6、500	0.6、500
Weight of machine	kg	5000	6000	8000	9000
Overall dimensions (length * width * height)	mm	2200×1800 ×2200	2200×2250 ×2570	3140×2850 ×3000	3500×2950 ×3000