The Works Of Messrs. Schneider And Co.

68 MESSRS. SCHNEIDER AND CO.’S WORKS. 80 tons capacity, respectively. Both are fitted with powerful brakes, enabling the pièces to be lowered rapidly into the tanks. Owing to the great depth of the gun- tempering tank, both travellers are provided with a con- sidérable length o£ chain. The vertical travel of the hook is 22 metres (75 ft.); the chains are plate chains ; that for the 80-ton traveller is 74 metres (243 ft.) long and necessary for this department of the steel works. The current is taken før each traveller, on a main that extends the whole length of the works. Ingot Preparing Shop.—The shop in whieh ingots undergo préparation, occupies the south-east end of the armour-plate building. It contains special machine tools, which cut and bore compressée! steel ingots previous to their Fig. 157. Interiør of Armour-Plate Finishing Shop. (See page 69.) weighs 11 tons. The following are some of the principal dimensions : Distance from centre to centre of o verhead tracks Width served by the hook Speed of travel (longitudinal) per minute Travel of hook (transversely) per minute ... Lifting speeds ,, ... ... 17.350 m. 15.550 m. 35 m. 20 m. 3 m. 6 m. 56 ft. 11 in. 51 ft. 0 in. 114 ft. 10 in. 65 ft. 8 in. 9 ft. 10 in. for heavy loads. 19 ft. 8 in. per minute for medium loads. The 40-ton traveller is provided with a 75,000 watt dynamo, and the 80-ton traveller with a 100,000 watt dynamo. The electrical energy is supplied by two 220 volts direct-current generators, which give the power being distributed in the forging shop. The following tools may be mentioned among others : Two lathes 9.800 metres (32 ft. 2 in.), length of bed ; 1.100 metres (3 ft. 7f in.), height of centres; to cut the ingots according to require- ments. They are fitted with four tool-slides, that can work together and cut in two places at once. They are moreover, provided with. the necessary tools to bore ingots 1.500 metres (4 ft. 11 in.) long. These lathes can take ingots up to 1.400 metres (4 ft. 7 in.) in diameter; 5.500 metres (18 ft. 0J in.) long; and weighing 60 tons. One roughing lathe, 1.525 metres (5 ft.) height of centres, and 16 metres (52 ft. 6 in.) length of bed; total length 22.500 metres (73 ft. 10 in.). This lathe can take pieces weighing as mueh as 100 tons. It can also bore pieces 10 metres (32 ft. 10 in.) in length. It is fitted with four