Atmosphere furnace company afc, pacific industrial furnace company. These furnaces are usually chamber or retort furnaces operating with an air, vacuum, or protective atmosphere fig. Secowarwick vacuum purge retort tempering furnaces. Rotary hearth furnace construction combines advantages of both continuous and chamber. Retort furnaces, clean room solutions home nabertherm. Rotary retort furnaces for continuous heat treating of small parts. The rotary retort furnace can be built as a standalone hardening or annealing furnace with its metering loader and integral quench system, or part of a full hardenquench and draw line with furnace, washers, atmosphere generators, analyzers, etc. Innovative revolving rotary retort furnace built to last. The rotary retort furnace is designed to uphold the superior quench hardening performance required for uniform heat treatment of small parts, with the maximum temperature in the furnace being 950 o c.
Secowarwick rotary hearth furnaces pdf catalogs brochure. Us3176970a us124417a us12441761a us3176970a us 3176970 a us3176970 a us 3176970a us 124417 a us124417 a us 124417a us 12441761 a us12441761 a us 12441761a us 3176970 a us3176970 a us 3176970a authority us united states prior art keywords retort furnace chamber heat treating rollers prior art date 19610717 legal status the legal status is an assumption and is not a legal conclusion. The rotary hearth furnace is used primarily for gear hardening type applications that require process quenching. Abbott is having their third annual continuous furnace training symposium november 79 in monterrey, mexico. The retort assembly is supported by support devices at both ends external of the shell. The drum is installed in an electrically heated or gas fired insulated chamber. A continuous rotary retort furnace includes an outer shell having first and second ends. The system is designed for floor level installation, eliminating any.
The retort furnaces of the nr and nra product line are perfectly suited for debinding under nonflammable protective gases or for pyrolysis processes. Types of heat treating equipment for fasteners heat treat doctor. Secowarwicks rotary retort furnaces are specifically designed for continuous production and uniform heat treating of small parts, such as coins, small hardware, nails, bearings, chain components, and fasteners, such as nuts, bolts, and screws. The idb version of the retort furnaces implements a safety concept by controlled purging the furnace chamber with a protective gas. The retort assembly is formed of an axial member and a spirallywound conduit disposed on the exterior surface of the axial member. Inside of the retort, an endothermic atmosphere is typically used while through hardening. Surface combustions rotary also known as revolving retort starts with a highquality alloy retort or drum which is centrifugally cast. T44, sidco womens industrial park, thirumullaivoyal, chennai 600 062. Rotary retort furnace for carburising, carbonitriding, case hardening, surface hardening and other heat treatment processes. Rotary hearth furnace continuous furnace lindbergmph. Thermal processing equipment technology afcholcroft.
232 1211 775 303 1051 839 103 733 1057 1344 460 1535 358 803 600 1278 1264 161 328 604 1095 1213 678 1086 1013 1129 838 1218 859 278 1323 520 1084 1085 707 28 1360 911 307 1298 1193 1228 295 175 295 1127 504