. American engineer and railroad journal . t is then welded and drawn out under a Bradley 30, a split key, is bent and trimmed in a bulldozer in twooperations. No. 31, a crown bar link, is punched from a flatbar in one operation. This design gives uniform strength and 144 AMERICAN ENGINEER AND RAILROAD JOURNAL. maximum clearance. No. 32, a bell clapper fork, is made intwo operations. Nos. 33, 34 and 36 are made under the ham-mer. No. 35 is a spring hanger, the boss being formed in oneoperation in the forging machine. It is then bent in a bull-dozer. Nos. 37 and 38 are made in one op
. American engineer and railroad journal . t is then welded and drawn out under a Bradley 30, a split key, is bent and trimmed in a bulldozer in twooperations. No. 31, a crown bar link, is punched from a flatbar in one operation. This design gives uniform strength and 144 AMERICAN ENGINEER AND RAILROAD JOURNAL. maximum clearance. No. 32, a bell clapper fork, is made intwo operations. Nos. 33, 34 and 36 are made under the ham-mer. No. 35 is a spring hanger, the boss being formed in oneoperation in the forging machine. It is then bent in a bull-dozer. Nos. 37 and 38 are made in one operation each. , a ratchet and pawl, is made in two operations. It is firstpunched from steel stock in a forging machine and is thenflattened, bent and cut to the proper angle under a Bradleyhammer. Xo. 40, a steel relief valve, is formed in the forging ma-chine from round stock in two operations. Nos. 41 and 42 formation to Mr. M. D. Franey, superintendent of the Collin-wood shops. PACIFIC TYPE PASSENGER LOCOMOTIVE. Southebn t—*>i—* FOBGIXGS 8, 26 AND 35 COLLI AWOOD SHOPS. show the various steps in manufacturing a wrench. No. 42 of nearlyrepresents a finished % and %-in. wrench for car much careful study a set of dies were constructed formaking one end of the wrench complete in a forging ma-chine from, 1-in. round steel In three operations. The centeris then finished in special dies under a Bradley hammer. Thewrench comes from the machine finished, requiring no dress-ing. No. 43,- a standard wedge bolt, is made from No. 44 is a spring hanger, each end of which is formedin one operation. No. 45 is a cheap and very satisfactory ash hoe. A 1% hole is first punched in the plate. The rod is then heated,and one stroke of the machine forms a head on each side ofthe plate and also compresses the metal into the oval hole,preventing the bolt from turning in case the heads should
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
