Today we take a look at the preforming and forming process of train wheel forging. Among them, the forming process of train wheel forgings is the key process for matching the rolling capacity of thermoforming units.
Molybdenum is a metallic, silvery-white element which is very stable chemically but it will react with acids. The physical characteristic that makes molybdenum unique is that it has a very high melting point, 4,730 degrees Fahrenheit. This is 2,000 degrees higher than the melting point of steel.
With the development of modern electronic technology, the requirements for film-forming quality of semiconductor devices are getting higher and higher, thus promoting the progress of vacuum deposition technology, of which RF sputtering is a better film-forming method.
Indexable carbide inserts are the industry workhorses. Even though these carbide inserts cost less than some other tools, they have the loosest tolerances, from 0 to 0.012 in., depending on the ratio of length to diameter.