Saddle Moving Electric Table Moving Metal Surface Grinding Machine

Product Description

saddle moving electric table moving Metal Surface Grinding Machine
High rigidity H-frame column with spindle center to table
Enhanced ribbed full cast iron base
Enlarged spindle housing for heavier grinding
Cartridge w / 4 preloaded class 7 (P4) bearing
Roller steel balls on linear table ways for easy and smooth longitudinal movements.
Double-V saddle ways for rigidity
Manual lubrication system
They have compact construction, excellent capability, and suitable to grinding surface and complex form surface by form dressed whell. This kind of machine can be performed without power feeding. The distance between the grinding wheel and working table has been enlarged because of its reliablity, flexibility, high accuracy, high rigidity, small thermo-deformation and low noise.
1 Adopt the exceeding precise class7(P4 level) ball bearing for spindle
2 Bring transmission by synchronous belt, operating simple and convenient
Grinding Machine/Grinder (M820)
Hydraulic longitudinal, power corss and vertical hand infeeds operation.
All 3 axises are roller bearing slides
Hardened & ground ways (removable) on table, carriage / saddle & column
Cartridge spindle W/ 4 preloaded class 7 (P4) bearing for better workpiece accuracy.

Model				MD618A	MD820	MD1022
Working table	Table Size (L× W)		mm	460×180	480×200	540×250
	Max movement of working table(L× W)		mm	500×190	530×220	560×260
	T -Slot number×width		mm	1×14	1×14	1×14
Grinding head	Max distance from spindle center to table surface		mm	335	440	420
	Wheel Size(Outer diameter×width×Inner diameter)		mm	φ180×13×Φ31.75	φ200×20×Φ31.75	φ200×20×Φ31.75
	Wheel speed	50HZ	r/min	2850	2850	2850
		60HZ		3440	3440	3360
Feed amount	Longitudinal speed of working table		m/min	3-20	3-20	3-20
	Cross feed of working table	Continuously(Variable Transmission)	mm/min	300	300	400
		Intermittently(Variable Transmission)	mm/times	0-5	0-5	0-5
		Per revolution on handwheel	mm	2.5	2.5	4
		Per graduation on handwheel	mm	0.02	0.02	0.02
	Vertical feed on handwheel	Per revolution	mm	1.25	1.25	1.25
		Per graduation	mm	0.01	0.01	0.01
Commutation feeder	Total input power		w	150	150	150
	X- feeder output speed		R/min	0-225	0-225	0-225
	X- feeder size		mm	280×130×120	280×130×120	280×130×120
	Y- feeder output speed		R/min	0-120	0-120	0-120
	Y- feeder size		mm	280×130×120	280×130×120	280×130×120
Motor power	Spindle motor		kw	1.1	1.1	1.5
	Coolant pump motor		w	40	40	40
Working precision	The parallelism of working surface to base level		mm	00:00.0	00:00.0	00:00.0
	Surface roughness		μm	Ra0.32	Ra0.32	Ra0.32
Weight	Net		kg	667	767	880
	Gross		kg	767	867	980
Overall dimension(L×W×H)			mm	1550x1150x1590	1680x1140x1760	1680x1140x1760
Package dimension(L×W×H)			mm	1000x1150x1760	1140x1250x1940	1200x1400x1940

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