1.Twin-Rolls (shells &cores) manufacture
We are The biggest caster rolls and shells Manufacturer in Asia. We are focus on service for the factory which have production of Aluminum casting flat and strip and foil . Now we have 80% market share in China. We are the supplier of the Caster MILL factory like Novelis, ZHUOSHEN, NCHM,SINOSTEEL, TIANZHONG..., They have many MILL project all over the world. Recently we have 30% capicity for exporting , some famous customer like KOBELCO Japan, ALCOA Brazil , Novelis Italy, ASSAN .... Our shells material ZTGT-2100 are famous in aluminum casting industrial.
2.Core cleaning and repairing
Cast roll Replacement shell（Core cleaning and repair）
1、Clear up all the water hole, water sink.
2、The water rib and core surface damage and corrosion repaired. ( Weld material: 3Cr13 weld rod.)
3、Water sink machining ( Ensure the depth ＞8mm)
4、Both side bearing chock position checking ( base on the chock position, ensure core jump value ≤0.02mm)
5、Core body grind. ( CNC grinder.)
6、Capping for core machine.
7、Inspect and record the main dimension with core drawing.
3.Free consulation for shells assembling
Casting Roll Assembly
1、Core and shell completed finishing, leave enough tolerance.
2、Before assembly, clear up all parts, no chip or other remains.
3、Heat up by 2.5 meter X 6 meter furnace, after cool down, machine the roll surface to desired dimension, both side capping with seals and fixed.
4、Hydraulic platform water path check, pressure 8kg/mm2,backup 8 hours, no leaking.
5、Follow the domestic & sea worthy transportation packing. All above processes controlled and inspected by professional technicians.