Main type ① Vertical cylindrical vault steel tank. The capacity is generally below 10,000 cubic meters. Wallboard is connected by sleeve type (fillet weld). The inverted method is often used in construction (starting from the top of the ta....
Oil storage tank, referred to as oil tank or storage tank, is a large container with regular shape for storing oil products. According to the construction materials, it can be divided into metal oil tanks and non-metal oil tanks. Most of the....
In electric vehicles, the weight of the power battery pack accounts for about 30% of the total vehicle mass. The lightweight of automobiles and the inexhaustible pursuit of the energy density of power battery systems all require the lightwei....
According to the different finished product standards of copper bushings can be divided into: Copper self-lubricating bushings, oil lubrication need to, graphite, copper, and other types of bushings. The raw materials for the production of c....
In CNC machining, whether manual or automatic programming, process analysis of the machined parts before programming, formulate the process plan, select the appropriate tool, and determine the amount of cutting. In programming, some process....
1. Bushing fixing Bushing, copper sleeve When the gear shaft is moving, try not to let it shift direction due to vibration. At this time, a copper sleeve is needed, and the bearing sleeve helps to fix it. The most important role of copper b....
Assembly grading At present, domestic and foreign automobile manufacturers classify the assembly of threaded fasteners. The domestic automotive industry standard Q/T 518 divides the tightening accuracy of fasteners into three grades, which a....
Threaded fastener assembly method and assembly grading technology, according to the requirements of the actual coupling structure when tightening. Choose the most appropriate method and process, and illustrate the application of advanced ass....
The above-mentioned axial layered machining method is adopted, and the left and right thread faces are formed by cutting the left and right machining edges respectively. According to the process design method, two different finishing turning technolog....
Summary: An axial layered cutting Machining method for turning large screw pitch threads is proposed. Key process control variables are revealed through the study of tool contact relationships and cutting layer parameters. And discuss the influence of....