Luoyang Super League Forging Co., tells you how to distinguish between cast and wrought: BC 13 to 10 centuries ago between the bearing base, China has entered the heyday of bronze casting, the technology has reached a very high level, as the Shang Dynasty weight 875 kg Si Mu Wu Fang Ding, the Marquis Yi of Zeng Warring States and Han Dynasty statue of transparent mirror disks are all representative of the ancient casting products. Early casting greatly influenced pottery, cast mostly for agricultural production, religion, life and other aspects of the tool or appliance, art color darker. 513 BC, Chinese cast out of the world's earliest written records found in cast iron - cast Ding Jin (about 270 kg weight). Luoyang Super League Forging Co., tells you the model Forging: Forging model typically split-die forging and closed die forging. (1) open die forging method it is flash, that the parting face of the grooves around there are excess metal to flash. Also due to fly side effect bearing substrate manufacturers that prompted the metal fills the mold chamber. Open die forging of applications, generally used for forging more complex forgings. (2) It is no method of closed die forging bearing matrix parameters burr that throughout the forging process the groove is closed bearing matrix size, which the parting gap in the forging process remains unchanged. Just select the appropriate blanks, forging received very little flash or no flash, thus greatly save metal, reduce equipment energy consumption. Preparation of the blank due to fairly complicated, it closed die forging more commonly used in the simple shape forgings, such as rotation and the like. Bearing matrix size, preferred Super League forging (certified), Changzhi bearing matrix composed of Luoyang Super League Forging Limited. Luoyang Super League Forging Co., Ltd. (www.lysmzg.com) (www.lysmzg.cn) is Luoyang, forging leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Super League leaders in forging the staff warmly welcome all inquiries negotiations to create the Super League forging a better future.