As the core component of the hydraulic end of the plunger pump, Mist Pump bears great pressure. Therefore, the finite element analysis of the pump head body is of great significance for improving the reliability and rationality of product design. Due to the particularity of the pump head body structure, studying its processing technology and improving processing efficiency is the key to reducing production costs and improving product competitiveness. Analyze the movement law of the plunger pump, pulsating flow and pressure fluctuation caused by the pulsating flow, so as to obtain the relevant factors that cause the pressure fluctuation, provide a theoretical basis for the design and improvement of the plunger pump, and also for the analysis of the pump head body. The state of force provides an important theoretical basis.
Using the analysis of the stress distribution law and fatigue life distribution state of the emulsion pump head body under the maximum stress condition, the improvement measures of the pump head structure are proposed according to the analysis results. According to the working conditions and structural characteristics of the pump head body, the process routes of the pump head body from materials, blanks, large-diameter hole sleeve processing, stepped holes, milling inch threads, rolling to hydraulic self-reinforcement are analyzed, focusing on the analysis The characteristics of the nesting drill, selecting the structure type of workpiece rotation and external chip removal, detailed analysis of the drilling drill related technology, such as cutting power, cutting amount selection, cooling and chip removal, and nesting drills are different from ordinary holes Auxiliary device of processing equipment.
Tool parameters are an important factor that affects the machining efficiency and service life of the tool. Since the nested drill works in a closed space, while meeting the machining efficiency, the determination of chip breaking and chip removal methods is the key to the design of the nested drill. In addition, the drill The influence of the axial vibration of the tool on the cutting angle during the hole process is analyzed, and the theoretical basis for the influencing factors of the hole axis deflection is given. In the process of milling, inch thread is processed. The application of macro program improves the efficiency of thread milling. In order to increase the strength and service life of the pump head body, the internal cavity hydraulic self-reinforcement method is used to pre-stress the inner cavity.
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