1. The common casting problems of the cast iron in the casting process Gray cast iron production process include melting casting, modeling core, sand processing, etc., which will result in casting defects, it also include sand quality excep...

CBN Insert --- More Suitable Cutting Tools for high Speed Cutting With the increasing use of high precision CNC machine tools in manufacturing industry, how to improve productivity to reduce production costs, shorten the production time and...

Brake discs, as the main components to ensure the safety of the car, not only require high on the product quality, but also has high requirement on processing efficiency with the development of the automotive industry. So high-speed cutting...

Halnn Superhard, is a professional technology enterprise, is the first to research new cbn inserts specific for machining gray cast iron, high hardness cast iron/cast steel, hardened steel and other high hardness materials. In 2007, Halnn a...

As we all know, mill rolls can be divided into 2 main kinds, which are cast iron rolls and cast steel rolls. Because it will have defects in the casting process, so it always be a problem on machining mill rolls. Halnn, as the predecessor o...