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Vertical Boring-Cum-Turning Mill, ‘Karam’
Vertical Boring-Cum-Turning Mill, ‘Karam’
Guru Nanak Engineering Works (Regd), an ISO-9001-2008 certified company, has introduced ‘Karam’ brand Vertical Boring-Cum-Turning Mill. Initially 6 different models have been launched. The machines, having turning diameter capacities of 800, 1200, 1350 and 1750 mm, come in single column, whereas two other models having turning diameter capacities 2250 and 3250 mm are of double column. Working height of the machines ranges from 500 to 2000 mm. The geometrical accuracy of the machines is maintained strictly as per Dr Schlesinger’s Acceptance Test Chart. The castings of machine bed, rotary table, columns and cross rail, etc., are of very rigid construction made with the proportionate addition of steel and other alloys to achieve the desired strength and durability. Variable frequency drive (AC drive) is used with main motor drive for the rotary table of the machine. Gearbox for auto-feed ram head both vertical and horizontal is provided. Alloy steel duly hardened gears are used in the machine. Phosphorus bronze nuts are used for lead screws. For smooth and anti-friction movement, 2.5 mm thick Turcite lining is used on ram/saddle. Forced lubrication with a motorised lubrication pump is provided for the main rotary table and independent lubrication pumps are provided for the ram/saddle and cross rail to ensure proper lubrication. Precision bearings and gunmetal guideways combination in the bed/table are provided to withstand radial and vertical loads. CNC version of the machine can also be offered as per requirement. The firm also manufactures high precision horizontal boring machines both table type as well as floor type and rotary tables.
