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....
Since it is aluminium alloy die-casting, it is not possible to cut aluminium directly, but need to melt aluminium into a fluid to facilitate subsequent molding in the die. When these metals become fluids, they can be injected into the die-ca....
In recent years, the appearance trend of mobile phones has been changing to metallization. Major manufacturers have launched all-metal mobile phones. CNC has become a must-have device for mobile phone casing manufacturers due to its high eff....
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....
Classification of bushing size benchmarks Classified by usage basis: 1. Bushing design basis. The points, lines, and faces used to determine the position of the part in the machine are called design references. 2. Bushing process benchmark.....
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....