Shanghai Sanjing Vacuum Equipment Co., Ltd (JJJvac) was found in 1994, it’s a high technology researching and manufacturing enterprise of high vacuum & ultrahigh vacuum system and equipment. Shenzhen JJJ vacuum technology Co., ltd is the south marketing center which located in Shenzhen city. Xin’an vacuum technology (Jiangsu) Co., Ltd is the new manufacturing base in Qidong area of Jiangsu province, with 200 acres space, and more than 5000 square factory space.
n this article, I will talk about Additive Manufacturing and in this case Selective Laser Melting (SLM). In particular, the theme will focus on the role played by vacuum heat treatments in producing highly reliable components, i.e. characterized by a better quality of the material and an excellent fatigue resistance.