目前国外采用较新的加工工艺——旋压成型来生产坩埚及一些轴向对称的空心回旋体制品.在国内,强力旋压加工工艺已广泛应用在生产一些特大直径的薄壁管件和卫星、火箭、炮弹等壳体,以及一些变断面回旋体.但是,采用普通自由旋压工艺来生产坩埚等器皿,尚未被人们重视和研究. At present, foreign countries use relatively new processing technology - spinning to produce crucibles and some axial symmetrical hollow rotary body products.In China, strong spinning process has been widely used in the production of some large-diameter thin-walled tubes and satellites, Rockets, shells and other shells, as well as a number of variable cross-section of the body, but the use of ordinary free-spinning process to produce crucibles and other vessels, has not been valued and studied.