M & s technosales provides pneumatic roll marking machine, model ef-75. Some of the salient features includes: easy to operate; automatic compensation of operate; automatic compensation for variation in workpiece diameters; rigidly fabricated, reinforced steel frame; stress relieved; can mark round workpieces up to 100 mm diameter; open back permits marking of long bars; serial numbers can be marked with automatic indexing; can mark up to 4 lines of 2 mm characters, or 2 lines of 3 mm and 4 mm characters; ample daylight permits extensive use of fixtures and tooling for almost all shapes and sizes of components; pneumatic cylinder operate table and marking die slide; table pressure controls depth of mark: ensuring uniform depth; one master tool-pedal control of operating table and die side cylinders in proper sequence; and die slide moves on hardened plate with rollers for precision and long life. Components that can be marked: shock absorbers, flanges, elbows, bends, mortar barrels, gears, fuses, pistons, couplings, railroad bearings, shells, axles, propeller shafts, rock drills, magneto, lock body, etc. Technical specifications: marking capacity [in mild steel] - 2 lines of 6 mm, 4 mm, 3 mm characters; die slide stroke - 75 mm; daylight - 180 mm; cycle time - 5 sec full stroke; table size - 200 x 250 mm; table rise - 7 mm pneumatically, 70 mm by hand wheel; floor area - 1000 x 1000 mm; height - 700 mm; net weight - 500 kg; machine pneumatic pressure - 5 kg; and optional - job counter, auto cycle.
