Heat resistance means high temperature. Carbon effect: Carbon is an element in austenitic stainless steel that strongly forms and stabilizes austenite and enlarges the austenite. The ability of carbon to form austenite is about 30 times that of nickel. Carbon is a gap element. Solid solution strengt... Read More
The story of screw development It is no exaggeration to say that the entire world civilization is fastened by bolts.Comrade lei feng Once said that the would like to make a screw ,and he is very famous.Bolts are so common that even many mechanical people never know the origin of the bolts.... Read More
Today, there are many items that need to be fixed with screws. When did the screw appear and how did it develop?Screws are not called screws at first. They are called spirals. The spirals have been baptized in the years. People change them according to their needs and become the screws of today. The... Read More
We all know that wallboard nails (drywall nails) need to be phosphated, unlike other self-tapping screws. In order to standardize the operation of the screw phosphating process and avoid the quality failure caused by the operation error, our screw has the following operation procedures, and we hope ... Read More
The injection screw is operated for a long time under high temperature, high pressure, high mechanical torque and high friction environment. The first few factors are required for the process conditions, while the losses due to friction are inevitable. Generally, the screw has been subjected to surf... Read More
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