According to the statistics of the General Administration of Customs, the import and export volume of China's construction machinery from January to June 2011 was 11.812 billion U.S. dollars, an increase of 39.1% year-on-year. The import value was US$5.191…
Alcoa Inc. recently announced that its plant in Tennessee, United States, had groundbreaking ceremony on August 29th and will carry out an expansion project with an investment of 275 million U.S. dollars to meet the rapid increase in demand for aluminum mater…
Smelting Process The original smelting process was carried out by adding 1.4% FeSiMg8RE18 for spheroidization, adding 1.0% FeSi75 for inoculation treatment, and adding Cu-Mo alloy to achieve QT700-2 mechanical performance standard. Its performance is shown in the table below. It can be see…
Dong Xiufen, Director of the Renewable Energy Division of the National Energy Administration, said at the “Seminar on the Scale of Solar Power Development†held yesterday that according to the current “12th Five-Year Plan†for solar pow…
The development of large-scale four-row labyrinth sealed compressor led by Tianhua Chemical Machinery and Automation Research and Design Institute has passed the inspection and acceptance by the Ministry of Science and Technology in Beijing.
This achievement belongs to one of the n…
1. The surface of the rough-blasted milling, EDM, and grinding processes can be selected for polishing with rotating surface polishing machines or ultrasonic grinders rotating at 35 000-40 000 rpm. The commonly used method is to use a wheel of diameter Φ3mm…
　
　　1径节与模数的关系
　　模数m是模数制轮齿的一个最基本å‚数，是指相邻两轮齿åŒä¾§é½¿å»“é—´çš…
　　1径节与模数的关系
　　模数m是模数制轮齿的一个最基本å‚数，是指相邻两轮齿åŒä¾§é½¿å»“é—´çš…
Project Name: Lingji Hongji City, Lingbao City Progress of the project: Filing construction period: 2011-2014 Major equipment: fire-fighting facilities, security facilities, water supply and drainage facilities, electrical facilities, ventilation facilities, l…
Gear transmission has the advantages of constant instantaneous transmission ratio, stable and reliable operation, long service life and high efficiency. It is the most extensive mechanical transmission in modern machinery. This paper mainly discusses the meshing transmission and its charac…
On the morning of October 18, the ground-laying ceremony for 2 million bases of Liuzhou SAIC Automotive Transmission Co., Ltd. was held in Yanghe Industrial New District. Vice Mayor of the Municipal Government Wang Liuping, Party Secretary and General Manager …
The different prices of DN-HY compressive strength testing machines in the following regions are 16500-20000 yuan in Qingdao, 25500-33,000 …
The passenger car market as a whole is sluggish, taking a look at the international market to see how European passenger cars