BHP Billiton Negotiation Continues Increased Uncertainty in Steel Prices

After the long-term price negotiations between Baosteel and Rio Tinto in 2008, BHP Billiton, another major mining giant in Australia, stated that it has yet to reach a price agreement with the demanding steel mills and said that “the price of Rio Tinto” still has a gap with the curr

Reducer's optimized pen


The cover of the reducer optimization may be a pen. The gear reducer popular in the market years ago is still the mainstream product today. Is it the miniaturization of the reducer? Horizontal block electromechanical conversion. All of these have given the reducer more arrogance in the qui

2015 National Low Carbon Day theme slogan was released

The 2015 National Low Carbon Day theme slogan and posters were released in Beijing on the 9th. "Low-carbon cities: livable and sustainable homes" have become the theme slogan for this year's low-carbon day. "Low-carbon cities," "colorful spots" and "advoca

Basic principles of surge control systems

The reason for the surge is that the intake air volume is too small, and the airflow separation phenomenon will occur on the convex side of the blade. When the airflow phenomenon is serious, the compressor exhaust pressure is reduced. If the pipe network capacity is large and the pressure

The role of tool radius compensation

The role of tool radius compensation

In the contour processing process, because the tool always has a certain radius (such as the radius of the cutter or the molybdenum wire radius of th

From the use of functional selection of the valve to note the problem

1, the adjustment function ① requires regulating valve moves smoothly; ② small opening adjustment performance is good; ③ select the desired flow characteristics; ④ meet the adjustable ratio; ⑤ resistance is small, flow ratio (the nominal flow control valve paramete