Volvo's new test bed simulates the life cycle of truck axles


Truck axles are subjected to tremendous operational pressure on a daily basis. In order to ensure that it is strong enough to handle complex working conditions year after year, Volvo Trucks is using a brand new axle test rig. It is the largest of its kind in the world and can handle do.......

U.S. auto parts companies go bankrupt


Statistics from the American Association of Original Equipment Suppliers show that in 2009, a total of 60 parts and components companies in the United States filed for bankruptcy protection, which exceeds the total from 2000 to 2008.

Last year, 200 U.S. p.......

Shearer main motor soft start control scheme

1 Introduction

China Railway Zhuzhou Bridge Co., Ltd. is the main production equipment for narrow steel sheet blanking. The 25MN vertical shear is an old equipment produced in the early 1990s. Its electronic control system is the traditional rel.......

Yuchai Weichai leads the diesel engine market


At the end of the year and the beginning of the year, when we reviewed the development of the industry in the inventory, the various changes in the diesel engine market had to be mentioned. Yuchai's production and sales exceeded 500,000 units and joined hands with Caterpillar to enter.......

Micro Card boss Changan launches "Star Card 2"


The newly upgraded all-round carrier expert, Changan Xingka 2, has successively landed in major sales outlets nationwide since December 2009. Changan Star Card 2 carried out more than 20 innovation and upgrades in terms of quality, loading, interiors, and appearance.

Statistics.......

Integrating British LDV, SAIC Launches Commercial Vehicles


We have just reported on the spy photos of SAMSUNG and Dongfeng at the same time entering the commercial vehicle market and new models. SAIC's commercial vehicle renderings are very eye-catching and look similar to the joint venture's Iveco model. In fact, the real blood of thi.......

Six standards will regulate chemical risk assessment

The "Guidelines for Quantitative Risk Assessment for Chemical Enterprises", "Technical Conditions and Testing Methods for Ammonia Detection and Alarming Devices," and "Deflosion Safety Release Standards" drafted by the Qingdao Institute of Safety Engineering, Chin.......

Battery charging and discharging system design

Introduction In recent years, with the popularization of automobiles, the displacement of NOx and COx has been increasing, and environmental pollution and global warming have become increasingly serious. To this end, many countries are actively promoting hybrid electric ve.......