Comparing with the steel blank balls with ring ribbon, the steel blank balls without ring ribbon have many advantages, such as weight light, small process margin, metal surface with good stream line, so that the raw m...Comparing with the steel blank balls with ring ribbon, the steel blank balls without ring ribbon have many advantages, such as weight light, small process margin, metal surface with good stream line, so that the raw material is saved, the production efficiency is raised, the production cost is decreased and the steel ball quality is increased.展开更多
文摘Comparing with the steel blank balls with ring ribbon, the steel blank balls without ring ribbon have many advantages, such as weight light, small process margin, metal surface with good stream line, so that the raw material is saved, the production efficiency is raised, the production cost is decreased and the steel ball quality is increased.