Wheel Head Moving Surface Grinder Machine M7140A

Product Description

Wheel head moving surface grinder (M71SERIES)Features:
This series of surface grinder is most suitable for the grinding steel, casting and non-ferrous parts of machine manufacturing industry.
The accuracy of the machine has reached the National Standard for horizontal spindle & rectangular worktable surface grinder.
The longitudinal movement of the worktable is driven by vane pump, which makes the movement smooth and low noise.
The bearings of the wheel head spindle adopt bimetal shell bearing, which can afford heavy impact and make the machine able to carry out heavy load grinding.
The cross movement of the wheel head can be driven by hand or by hydraulic oil automatically. It is easy to operate. The vertical feed of the wheel head is driven by hand. It is also assembled with rapid elevating motor, which can reduce the intention of work labor as well as enhance the work efficiency.
The machine moves smoothly and has reliable performance, low noise and stable accuracy. It is easy to operate and deeply welcomed by the customers.

Model					M7132*1000	M7140*1000	M7140*1600	M7163*1250	M7163*1600
Working table	Table size(L×W)			mm	1000×320	1000×400	1600×400	1250*630	1600*630
	Max movement of working table(L× W)			mm	1100	1100	1700	1350	1700
	T-Slot(number×width)				3×18	3×18	3×18	5×18	5×18
	Speed of working table			m/min	3--25	3--25	3--25	3--25	3--25
Grinding head	Max distance from spindle center to table surface			mm	570	575	575	800	800
	Max travel of grinding head		Cross(Manual and hydraulic)	mm	350	440	440	700	700
			Vertical(Manual)	mm	400	400	400	600	600
	Spindle speed			rpm	1440	1440	1440	1440	1440
	Wheel Size(Outer diameter×width×Inner diameter)			mm	φ350×40×φ127	φ350×40×φ127	φ350×40×φ127	φ400×40×φ127	φ400×40×φ127
	Scale on the vertical handwheel			mm	0.01	0.01	0.01	0.01	0.01
	Grinding head feed per revolution of handwheel			mm	1	1	1	1	1
Total power				kw	11	11	12	12	14
Spindle motor		Power		kw	7.5	7.5	7.5	7.5	7.5
		Speed		r/min	1440	1440	1440	1440	1440
Rapid up and down motor		Power		kw	0.37	0.37	0.37	0.37	0.55
		Speed		r/min	1440	1440	1440	1440	1440
Oil pump motor		Power		kw	3	3	4	4	5.5
		Speed		r/min	960	960	960	960	960
Coolant pump motor		Power		kw	0.125	0.125	0.125	0.125	0.125
		Speed		r/min	2800	2800	2800	2800	2800
Oil pump		Flow		L/min	100	100	100	125	80/80
		Working pressure		MPa	1.5	1.5	1.5	1.5	1.5
Working precision		The parallelism of working surface to base level		mm	40:00.0	40:00.0	40:00.0	40:00.0	40:00.0
		Surface roughness		µm	Ra0.63	Ra0.63	Ra0.63	Ra0.63	Ra0.63
Weight		N/G		kg	3700/4300	3800/4200	5300/6000	5600/6300	7000
Overall dimension(L×W×H)				mm	2700×1700×2100	2700×1750×2100	4400×1750×2100	3210x1900x2500	4400x1900x2500

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