Gearbox, as one of the most important component for the car, usually work with high speed and load condition. In order to obtain long tool life and ensure the good quality, the manufacturer usually use heat treatment to deal with the materia...

With the upgrade of machinery industry, more and more high hardness materials appear and are used in machinery industry. For this situation, Halnn researched new cutting tools materials to help the manufacturer to solve their problems. We m...

The problems on machining Ni-Chrome (Ni-Cr) Alloy Rolls The Ni-Chrome(Ni-Cr) Rolls means that the steel rolls which include Nickel and Chrome element. The difficult problem is high hardness and large working allowance. The hardness will rea...

With the development of the rapid development of the society, hard turning, as a new technology instead of grinding process, it requires high on the cutting tools performance, especially for interrupt turning condition. Specific for hard tur...

The hardness of the gears after heat treatment will be about HRC58~62, traditional process will be grinding, but with the increasing competition, grinding already couldnt meet the requirements of high efficiency and low efficiency. With the...