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Gold price fluctuations have a certain impact on global financial markets and the price of 2000 hot rolling slitting line

Gold futures for April 2022, the most actively traded contract on the New York Mercantile Exchange gold futures market, rose 0.2 U.S. dollars, or 0.01 percent, to close at 1,929.5 U.S. dollars an ounce on Friday. Federal Reserve Chairman Jerome Powel…

A further sharp rise in international oil prices will have a big impact on the 2000 hot rolling slitting line market

China's oil prices are expected to rise for the fourth consecutive year after hitting an eight-year high On March 2, the international oil price rose sharply due to the situation between Russia and Ukraine and other factors. The main bre…

The main source of friction in rolling bearings

The friction of Rolling bearing mainly comes from the following three major aspects: pure sliding friction between rolling elements and raceways, sliding contact parts, and viscous friction of lubri…

The basic types of bearing wear and the forms, hazards and measures of wear in rolling bearings

Bearing wear is divided into three processes:1. Running-in stage: new parts are generally in this stage when they are just put into use, and the wear rate is high2. Stable wear stage: The wear rate…

Knowledge of the use and maintenance of rolling mill bearings

Rolling mill rolls and ball bearing are important components of the rolling mill. In rolling production, the roll has to be in direct contact with the rolled metal, and plastic deformation of the me…