Forging Co., Ltd., Luoyang Super League tells you model Forging: Forging models usually split-die forging and closed die forging. (1) It is open die forging method burr sleeve specifications, namely in the parting of the grooves around there is excess metal forming flash. Also due to fly side effects sleeve specifications that prompted the metal fills the mold chamber. Open-die forging is widely used, are generally used for forging more complex forgings. (2) It is a closed die forging without flash method, that the entire process of forging die bore is closed, its parting plane gap in the forging process remains unchanged. Just select the appropriate blanks, forging received very little or no burr burr sleeve What is so significant savings in metal, reduce equipment energy consumption. Quite complicated due to the preparation of a blank sleeve, it closed die forging more commonly used in the simple shape forgings, such as rotation and the like. Luoyang Super League for you about forging Forging Co. external defects such as geometry and shape do not meet the requirements. Surface cracks, folding, lack of meat, wrong poor. Inadequate forging, surface pits, surface bubbles and orange peel-like surface. Such defects revealed in the outer surface of the forgings, relatively easy to find or observe. Luoyang Super League Forging Co., Ltd. is located in Luoyang City, Henan Province, Luo new industrial park, is a high quality steel forgings mainly to undertake processing, etc., set design, development and sales of professional forging enterprise, you're welcome inquire. Sleeve material | Hangzhou bushings | forging good Super League quality, fair prices from Luoyang Super League Forging Limited. Luoyang Super League Forging Co., Ltd. (www.lysmzg.com) (www.lysmzg.cn) strong, credible, in Luoyang forging industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Super League forging into the brilliant and you work for a better future!