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ROLLER HEARTH FURNACE FOR WIRE ROD COILS WITH PROTECTIVE GAS
WRF series heat treatment line is suitable for various heat treatment processes such as spheroidal annealing and softening annealing of wire rod coils of bearing steels, cold heading steels, spring steels, and alloy structural steels. Adopting nitrogen as the protective atmosphere, WRF series heat-treatment line employs a strong convection indirect heating system by utilizing recuperative burners with radiation tubes in conjunction with an air guide system with high-temperature circulating centrifugal fans. The material is evenly heated and cooled during the heat treatment process, after which the surface is smooth and slightly decarburized, effectively avoiding possible surface cracks during the subsequent wire-drawing process. According to the process requirements and material specifications, WRF is equipped with a vacuum lock chamber and automatic loading and unloading equipment.
ARES Intelligent Control System has been applied to WRF series heat treatment lines, which has been equipped with Heat Treatment Line Remote Service System (RDMS) and Industrial Furnace Production Data Intelligent Analysis System (FDAS). The use of the above technologies can greatly improve the traceability of product quality and the development level of heat treatment processes.
Material：Bearing steel, cold heading steel, spring steel etc.
Product shape：Hot milling、cold milling wire coil
Product size：Φ5～50 mm
Treatment process：Spheroidizing annealing, soft annealing
Surface quality：Micro decarburiaztion
New decarburization depth：< 0.02 mm
Maximum temperature：900 ℃
Fuel：NG, Mix gas, Electricity
Protective atmosphere：N2
Capacity：2.0 ～ 6.0 t/h
Tel:022-23783878 E-mail: ares@ares-furnace.com
Add:No.408 Building 10,Highland lndustrial Park,No.35Intelligent road,Xiqing District,Tianjin 300382,P.R.China