GB339095A - Improvements in and relating to a process of and machine for casting metal pipes - Google Patents

Abstract

339,095. Soc. Anon. des Hauts Fourneaux et Fonderies de Pont-a- Mousson. Dec. 10, 1928, [Convention date]. Casting-machines ; metal-pouring. - A centrifugal casting-machine having pointers 26, 27, Fig. 4, to indicate the movement of the pouring trough and the weight of metal discharged into said trough under control of the operator, is provided with means to facilitate the regulation of discharge before the trough begins its movement. This metal is required to fill the trough and cast the end flange and corresponds to a movement x of the pointer 27. A pointer 39, geared, as shown, to an electric motor 42 and setting handle 43, is arranged to move at about the speed the pointer 27 should move after it has passed the vertical. The pointer 39 is started by closing a switch 46 and stopped by engaging an arm 45 thus opening a switch 44. When the pointer 39 stops, the trough and pointer 26 start or the starting of the trough may be arranged to open the switch 44. The metal pot 9, Fig. 3, is arranged at one side of the trough 6 which it supplies through a short funnel 8. The pointer 27 is operated by a float 36 in mercury or other liquid the level of which is altered by the immersion of a suitably shaped body 34 connected to the counterweighted support 13 of the pot 9. Specification 310,511 is referred to.