China Competitive Factory Supplier CNC Cylindrical Grinding Machine

Product Description

China Competitive Factory Supplier CNC Cylindrical Grinding Machine
MK1420/500, MK1420/800

Model	Unit	1420x500	1420x800
Height of center	mm	135	135
Max grinding diameter(without steady rest)	mm	200	200
Max grinding diameter(with steady rest)	mm	60	60
Min grinding diameter	mm	8	8
Max grinding length	mm	500	800
internal grinding diameter range(with steady diameter)	mm	10-90	10-90
internal grinding diameter range (without steady rest)	mm	13-100	13-100
Max grinding depth	mm	125	125
Headstock taper	MT	MT4	MT4
Max. workpiece weight	kg	50	50
tailstock taper	MT	MT4	MT4
Tailstock spindle stroke	mm	28	28
Min grinding wheel feed	mm	0.001	0.001
Headstock swivel range	degree	±30°	±30°
Grinding spindle speeds	rpm	1670	1670
Chuck diameter	mm	200	200
Worktable swivel range	degee	-5°~+9°	-3°~+7°
Table feed	m/min	0.05-5	0.05-5
out disc diameter	mm	400x50x203	400x50x203
		280x50x203(min)	280x50x203(min)
Circumferential speeds	m/sec	35	35
Work spindle speeds	rpm	25-380	25-380
Grinding head trvel	mm	200	200
Feed per hand-wheel rotation on wheelhead	mm	0.1mm	0.1mm
Travers per graduation on wheelhead	mm	0.001mm	0.001mm
Max. angle of table swivel	degree	-5°~+9°	-3°~+7°
Max. inner disc diameter	mm	50*40*16	50*40*16
Min. inner disc diameter	mm	45*35*10	45*35*10
total drive capacity	kw	12.6	12.6
Motor rating-grinding spindle/hydraulic pump	kw	4/0.75	4/0.75
Motor rating of headstock /coolant pump	kw	0.75/0.13	0.75/0.13
Motor rating of grinding head moving	Nm	10Nm	10Nm
Motor rating of worktable moving	Nm	10Nm	10Nm
diamensions (LxWxH)	mm	2500x1600x1700	3100x1600x1700
weight	kg	2300	2700

1.This cylindrical grinder has the characteristics of high precision, strong rigidity and high efficiency, and is suitable for grinding cylindrical and conical workpieces.
2.The workpiece, the external grinding wheel, the oil pump and the cooling pump are driven by independent motors.
3.The longitudinal movement of the worktable of the machine tool can be driven by hydraulic stepless speed change or handwheel transmission.
4.The horizontal feed of the grinding wheel carriage can be hydraulically carried out micro-automatic periodic feed and rapid forward and retreat, and the handwheel can also be used to achieve two kinds of feed.

Standard configuration:
Siemens 808D CNC control system,
Siemens servo motor and drives,
Cylindrical measuring instrument (ACCRETECH, Japanese brand) ,
Delixi electrical parts, main motor,
headstock motor made in China,
X axis screw made in Taiwan,
Z axis screw made in China mainland ,
coolant tank , wheel periphery dresser ,
balancing arbor , dog plate,
center point ,leveling wedge ,
wheel flange ,internal grinding rod ,
internal grinding attachment , 3- jaw chuck

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