Layout and Marking Table

JASH C.I. Layout and Marking Tables serve as a reference base for inspection, tool making, gauging, spotting marking and layout operations, supported on suitable stands. Stands enable proper leveling of plate and help provide the top surface at a convenient working height of approx. 750 to 800 mm from the floor.

JASH have manufactured and supplied large number of big size Surface Plates / Tables in India as well as for Exports. More than 1000 numbers Cast Iron Surface Plates of 3000 x 2000 mm unit size and 500 numbers 4000 x 2000 mm unit size made from single casting are being used by various industries in India and abroad. Some of the large size JASH Cast Iron Surface Plates made from single casting, under use with various clients in India, are as under:-

• 6000 x 2000 mm Maruti Suzuki India Ltd. Gurgaon.
• 6000 x 1000 mm Heavy Vehicles Factory, Chennai
• 5000 x 2000 mm Diesel Components Works, Patiala
• 5000 x 2000 mm Volvo India P. Ltd. Banglore
• 4000 x 3150 mm Cochin Shipyard Ltd., Cochin
• 4000 x 3000 mm PMT Machine Tools, Baroda
• 3500 x 2500 mm Bharat Earth Movers Ltd., Mysore
• 3500 x 2500 mm Bharat Heavy Electricals Ltd., Trichy
• 3500 x 2500 mm Bhabha Atomic Research Centre, Trombay
• 3000 x 3000 mm Tata Robins Frazer Ltd., Jamshedpur
• 7000 x 2000 mm Toyota do Brazil – Indaiatuba.

• Made generally as per IS: 2285 from close grained plain cast iron conforming to Grade FG:220 of IS: 210 ( equivalent to GG20/ FT20 / 30-A). Higher grades also offered on request.
• Castings stress relieved to relieve internal stresses.
• Column type C. I. Floor stands or M.S. Fabricated stands with leveling screws provided to achieve a desired working height.
• Special features like grid slots for location, tapped holes and T-slots can be provided on working surface, if required.
• C.I. Surface tables made from one piece casting, in unit sizes tabulated below, offered in any of the three grades of Flatness accuracies viz. Grades 1, 2 and 3 as per DIN-876 or IS: 2295-1991, as required. Larger sizes are supplied as surface tables with suitable stands. Custom sizes can be made to order.
• Sectional unit size surface tables adopted for the larger made up sizes are provided with arrangement for interconnection at their joints and column type C.I. Floor stands with leveling screws to facilitate leveling and access from the bottom of the table.
• With a view to minimize problems of leveling and mutual alignment while installing as well during future periodical checks, it is advisable to select as large a unit size sectional plate as possible so that the number of joints and the number of floor stands are reduced to the minimum.