Metal deforming – By use of roller or roller-like tool-element – With modification or control of temperature of work – tool or...
Patent
1982-02-12
1985-04-02
Combs, E. Michael
Metal deforming
By use of roller or roller-like tool-element
With modification or control of temperature of work, tool or...
134122R, 134 64R, 266113, B21B 4502, B21B 4300
Patent
active
045079498
ABSTRACT:
An apparatus and method for cooling product in a continuous hot-rolling mill. The apparatus comprises a cooling unit including a frame defining a plurality of spaced, cartridge receiving slots in which a plurality of guide and spray cartridges are removably mounted. The guide and spray cartridges are similarly configured so that either cartridge can be mounted in a given frame slot so that the number and ratio of spray to guide cartridges can be varied to modify the cooling characteristics of the cooling unit. Headers, formed integrally with the cooling frame communicate with a source of coolant under pressure and include a plurality of outlets connectable to the spray cartridges by individual conduits. Valves are provided to adjust the coolant flow rate to a cartridge and a quick release coupling is utilized to enable the cartridges to be easily removed for service and/or replacement. One embodiment of a spray cartridge includes a housing that defines a central through passage in which radially directed nozzles are mounted, which are operative to spray coolant received from a coolant chamber defined by the cartridge housing, onto the product as it passes through the opening. In another embodiment, a spray tube defining a through passage is mounted in the cartridge housing and includes two sets of ports that communicate with the cartridge coolant chamber. One set of ports is angled with respect to the spray tube centerline whereas the other set of ports are directed radially. In the preferred cooling method, cooling units are placed before and after the last finishing roll stand so that pre- and post-roll cooling is provided.
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Combs E. Michael
Republic Steel Corporation
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