rolls cones castings by Qingdao Hexin Machinery Co.,Ltd.
Our company is specializing in producing various specifications, various material of the furnace roller, it is frequently used to connect back, galvanizing line horizontal annealing furnace, furnace rollers, under hydrogen nitrogen protective atmosphere, can rapidly transport strip annealing process;Furnace roller adopts the centrifugal casting, precise casting technology on bell mouth, shaft head of forgings.Mature production technology and full penetration inspection of products make ensure product quality.
Horizontal furnace annealing furnace roller,Vertical annealing furnace furnace roller:
Used for continuous annealing line and galvanizing line horizontal annealing furnace, under the hydrogen nitrogen protective environment, the furnace temperature is about 700℃--1000℃，to complete heat treatment process by transporting lenient plate with even rapid，the diameter is 100--500mm,centrifugal casting for roll body, precision casting for journal and end bell, forging for shaft head.
Common used steel number is: shaft head (SUS304, 1Cr18Ni9Ti etc ),roll body and bell end ( ZG30Cr26Ni12、ZG40Cr25Ni20Si2 ).