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Surface Grinder
Surface Grinder
Model No. M73 Series
Origin: China
Min. Order: Negotiable
The M73 series horizontal shaft rotary table grinders is the newly developed grinder which is made by our plant by absorbing modern grinder’s structure and technology of dometstic and overseas. The rotary table’s diameter is 400mm to 1250mm. For the overall arrangement, the table rotates on the motive carriage. The carriage reciprocates longitudinally on the slideway of grinder bed. The grind head moves vertically along shaft. The surface of table can be adjusted + 3°for the prupose of middle concave and convex on the grinding surface. The rotary table’s diameter is 1600mm to 2200mm. For the overall arrangement, the table rotates fixed on the slideway of grinder bed. The crossbeam is on the double vertical shaft. The carriage reciprocates longitudinally on the crossbeam. The grind head moves vertically along carriage.The grinder features in compact structure, reliable precision, excellent workmanship and convenient operation. The emery wheel is grinded on the periphery which the high parallel of the two surface of workpiece can be obtained. This grinder is widely used in precision making of circular part, valve plate, saw plate and milling cutter in the tool factory, bearing factory, air compressor factory and ordinary machinery plant.
Main specifications
Model MG7340 M7340 M7350 M7363 M7380
Bench dia. 400mm 400mm 500mm 630mm 800mm
Max. grinding size (dia. x h) 400x120mm 400x120mm 500x250mm 630x250mm 800x280mm
Longitudinal distance
of carriage		 245mm 245mm 310mm 370mm 460mm
Longitudinal speed of
carriage (stepless)		 0.1 - 2 m/min 0.1 - 2 m/min 0.1 - 2 m/min 0.1 - 2m/min 0.2 - 2m/min
Bench rotate speed (stepless) 60-160r/min 60-160r/min 60-120r/min 16-80r/min 12-70r/min
Bench max. inclination +10°- 3° +3° +3° +3° +3°
Grind head main shaft
rotational speed		 1450r/min 1450r/min 1450r/min 1450r/min 1450r/min
Vertical distance of grind head 170mm 170mm 180mm 180mm 340mm
Grind head rapid lift speed 250mm/min 250mm/min 250mm/min 250mm/min 250mm/min
Vertical movement of grind
head per turn of hand wheel		 0.2mm 0.2mm 0.2mm 0.2mm 0.2mm
Min vertical feed of grind head 0.001mm 0.001mm 0.001mm 0.001mm 0.001mm
Vertical autofeed of grind
head (hydraulic 6 steps)(mm)		 0.001- 0.01 0.0025-0.02 0.001- 0.01 0.0025-0.02 0.0025-0.02
Emery wheel size (outer dia. x
wide x inner dia.) (mm)		 300x40x75 300x40x75 400x40x127 400x40x127 400x40x127
Grind head motor power 5.5kW 5.6kW 5.5kW 5.5kW 11kW
Total power 9.5kW 8.75kW 9.5kW 10.2kW 17kW
Working precision Roughness 1000:0.005
Ra<0.08		 1000:0.015 Ra0.32-0.63 1000:0.015 Ra0.32-0.63 1000:0.015 Ra0.32-0.63 1000:0.015 Ra0.32-0.63
G.W./N.W. (kgs) 3000/2700 3000/2600 3900/3400 4000/3500 7000/6200
 
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