In the connection of threaded fasteners, the main possible factors that lead to the relaxation of the pre-tightening force are: contact surface subsidence, mutual influence of bolt groups, seal ring deformation, high temperature creep and torsion relaxation.
1. Subsidence of contact surfac...
The most important characteristic of selecting the material of the rolling die is the hardness, toughness and wear resistance of the die steel. It must have sufficient hardness and toughness, so that the mold can withstand the force applied to it in use; good abrasion resistance is also necessary...
Stainless steel thread rolling oil contains multi-polar pressure anti-wear lubricating additives. Due to its high lubricity, it can effectively reduce the rolling temperature and obtain the maximum rolling precision. It has been successfully applied to difficult cutting of various difficult-to-ma...
The thread is one of the earliest simple machinery invented by mankind and one of the most practical inventions in history. Because the thread has the functions of easy assembly and disassembly and replacement, threaded connections and threaded transmissions are widely used in various industries....
The title of Fiona Apple’s Fetch the Bolt Cutters started as a line from a TV crime drama, but became the album’s central message: “Fetch your tool of liberation. Set yourself free,” Apple says. Courtesy of the artist hide caption
The title of Fiona Apple’s Fetch the...
DUBLIN, April 29, 2020 /PRNewswire/ — The “Global Duplex Stainless Steel Market Analysis & Trends – Industry Forcast to 2028″ report has been added to ResearchAndMarkets.com’s offering.
The Global Duplex Stainless Steel Market is poised to grow strong during the ...
Metallic corrosion is the result of electrochemical interaction between a metal and substances present within its operating environment. It results in degradation of that material, to the point where it is no longer mechanically or structurally sound.
Corrosion presents a formidable global chall...
Screw Conveyors Market report 2018, discusses various factors driving or restraining the market, which will help the future market to grow with promising CAGR. The Screw Conveyors Market research Reports offers an extensive collection of reports on different markets covering crucial details. The ...
