High Chromium Cast Iron ,also called Wear-Resistant Cast Iron is Leesh Sand Casting Foundry all year round casting products. This Casting Processing Production Process Flow is one of our typical High Chromium Cast Iron Casting. For confidential reason, we have covered the temperature.
For any enquiry, pelase feel free contact us david.lee@leesh.cn
高铬铸铁（抗磨铸铁）铸件铸造加工生产工艺流程
High Chromium Cast Iron (Wear-Resistant Cast Iron) Casting Processing Production Process Flow
审图Drawing Review
➔模具工艺设计Mold Process Design
➔模具制作Mold Manufacturing
➔模具检验Mold Inspection
➔制芯（呋喃树脂）Core Making (Furan Resin)
➔造型（呋喃树脂）Molding (Furan Resin)
⬇
合箱Mold Closing
Use easy-cut risers
Use external chills
➔冶炼Smelting
Medium Frequency Induction Furnace
➔浇注Pouring
Tapping Temperature: 1***℃~1***℃
➔型内保温In-mold Insulation
1***℃~1***℃
➔清砂Sand Cleaning
After **h
➔切割水冒口Riser Cutting
⬇
软化处理（退火）Softening Treatment (Annealing)
HRC<43 (HB<410)
➔划线检查Layout Inspection
➔粗加工Rough Machining
BN (Cubic Boron Nitride) Inserts
➔打磨修理Grinding & Repair
➔精加工Finish Machining
钻孔，攻丝Drilling & Tapping
➔硬化处理（淬火）Hardening Treatment (Quenching)
HRC>56
➔打压Pressure Test
➔最后精加工Final Finish Machining
➔尺寸检查Dimension Inspection
➔包装Packaging
➔发货Delivery
