. Railway mechanical engineer . Fig. 1—Turret Lathe Frtte-, i.| f i F -- sl-g C-;.vn Stays. closing, locking and tripping the die is used. The body isfitted with a hinge so that it may be opened and passedover the stay. On the side opposite the hinge is a springlatch for holding the die in the closed position. The ring,fitted with cams which hold the cutters in place, is partedto bring the ends of the two halves at the dividing line ofthe Vjody when the chasers are in the open fitrjte ^rm M No. 2—Details of Hinged Self-Opening Die. \\hen finishing crown sta)s on this machine the pos
. Railway mechanical engineer . Fig. 1—Turret Lathe Frtte-, i.| f i F -- sl-g C-;.vn Stays. closing, locking and tripping the die is used. The body isfitted with a hinge so that it may be opened and passedover the stay. On the side opposite the hinge is a springlatch for holding the die in the closed position. The ring,fitted with cams which hold the cutters in place, is partedto bring the ends of the two halves at the dividing line ofthe Vjody when the chasers are in the open fitrjte ^rm M No. 2—Details of Hinged Self-Opening Die. \\hen finishing crown sta)s on this machine the positionof the tool is adjusted on the slide, so that the cut onthe large end will be completed at about the same time thatthe forming tool begins to face the head. The head of thestay is sli[)i)ed through the holder for the forming tool andjilaced in the chuik, the outer end is run through the cen- 519 RAILWAY MECHANICAL ENGINEER \oL. 92. No. 9 teriiig guide and the cut is started with the box tool. Theforming tool is placed in the cutting position and the headis shaped. As soon as these two cuts are finished the car-riage is moved back until the end of the stay rests in thecentering guide. The arm carrying the split die is swungforward into position as shown in Fig. 3. The recess is
Size: 2078px × 1202px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
