There are many types of electric actuators. Electric actuators and valves of different types and functions can be called electric valves. However, in the process of designing and selecting, only the parameters of the valve are neglected or the electric actuator is not clearly defined. The relevant-----
The ventilation aging test box is used to test electric wires, cables, insulators or coated rubber test pieces to compare the tensile strength and elongation of the test piece before aging and aging. The ventilation type aging test chamber promotes the aging of the test piece due to the hot air-----
The past practice of the commercial vehicle industry shows that every upgrade and implementation of emission regulations is accompanied by severe market pains. In 2014, the implementation of the National IV emission standards made the light trucks in the subdivided areas of commercial vehicles con-----
In order to meet the customized needs of customers and support the competition of Shaanxi Heavy Auto in the international market, Shaanxi Heavy Auto fully researched the Vietnamese truck market, planned and formulated relevant plans, and quickly put into implementation. Recently, two F3000-10X4 tru-----
On the 9th, the Ministry of Industry and Information Technology issued the "Management Requirements for Automobile Hazardous Substances and Recyclable Utilization Ratios." Starting from January 1, 2016, the use of harmful substances in passenger vehicles (Class M1) with no more t-----
China is the world's largest robot market. This market is not only China but also the world. Now all the robot companies in the world are focusing their attention here. The Chinese government is also issuing a series of policies to ensure that domestic robot companies can be in a favor-----
2 The inverse function calculation method sets the cam contour curve equation to h=, generation, = edge. Among them, 7 is the period, and its inverse function is household 9 because the stepping motor is a pulse motor, and each pulse is equivalent to a pulse equivalent, so the discrete curve equat-----