The gear speed and load are the two surface causes that affect the vibration of the gear pair. Based on the root mean square of the vibration acceleration of the gear under different working conditions, the essential causes of the vibration of the gear pair are studied, so that the arc teeth under

The quality of lubricant base oils needs to be improved. At present, Daqing crude oil is the only crude oil used to produce high-viscosity index base oils in China's old three processes. However, Shengli crude oil, Liaohe crude oil, and Xinjiang crude oil cannot produce qualified high-visc

"Heavy duty diesel engines are a direction for future development, and they will be a commanding point in the industry in the future." said Qian Hengrong, director of the FAW-liberation Wuxi Diesel Engine Plant (hereinafter referred to as "Xichai"). At the national IV em

As the "foot" of a car, tires have always been silently serving the owner. In fact, no matter how fast the car can run, there is no such thing as leaving the four legs. However, it is such a critical part that is most vulnerable to being left out. Today, Xiaobian teaches you how to self-

11-year-old boy suffers a car accident brain death his mother wants to donate all his son diesel generator | diesel generator price / 2012-05-11 For Yuan Dezhen, who has just turned 40, 2012 is a year of doom. Just five days after New Year's Day, her husband and 11-year-old son suffered

In the centrifuge market, the United States has an absolute monopoly, and domestic brands continue to advance through technological breakthroughs. Centrifuge is the most advanced product of central air conditioning, advanced technology, and complex system. The market share of nearly five

At the beginning of the 2014 Shanghai Eighth International Food Machinery and Equipment Exhibition, the three major industrial groups of Shandong Zhucheng Slaughtering Machinery Industry Group, Jiangsu Zhangjiagang Beverage Machinery Industry Group and Jiangsu Changzhou Drying Equipment Industry G

2013 is a crucial year for China's equipment industry to implement the “Twelfth Five-Year Plan”, which is the beginning and end of the “12th Five-Year Plan”. The domestic and international environment facing the development of the industry has been relatively im

Truck hits the electric car and overturns man by more than 10 tons of high-temperature asphalt to bury the diesel generator | diesel generator price / 2012-08-15 Asphalt car crashed into electric car and turned over More than 10 tons of high-temperature asphalt buried men An hour later, he

Have you ever thought about all these smoke coming to your lungs while riding a bike or walking on a busy road? Of course there is. A team of athletic physiologists at the Fraser Valley University of British Columbia recruited healthy volunteers

After two years of declining in 2011 and 2012, China’s special-purpose vehicle market witnessed a recovery growth in sales and sales volume in 2013. In particular, the series of tank cars and dump trucks showed rapid growth. Relevant data show that from January to October 2013, the sales v

The use of automatic rotary high frequency toothbrush packaging machine: Toothbrush packaging, blister packaging, electronics packaging, etc. Features: The machine HQ oscillation circuit design low-power design, full automatic power adjustment tracking device developed by the Japanese company