The supplied processing steel hasn’t made re-inspection in the factory.After forging,many reticular cracks are appeared on the surface of big and small head(It’s the surface defect according to the defect locations),almost falling off severely(see Fig.4 and Fig.5) .After inspecting the forging temperature, there’s no over-burning phenomenon.

If the coated sand is used,local bonded core box appear which is mainly caused by uneven resin coating......

Forging is a method of using a forging machine to press a metal blank to produce a plasticity deformation to obtain a certain mechanical properties,...

There are four steps in traditional die casting, also known as high-pressure die casting, these are also the basis for any of the die casting variations: die preparation,...

On 8th June 2017, our customers from UK visited our company. The main goal of this investigation is:Firstly, based on the previous cooperation projects,...

As the wax mold size of stainless steel investment casting is accurate and the surface is smooth, otherwise, the mold is without parting surface...