Simulative analysis method for hot riveting process of automobile thrust rod

Abstract

The invention discloses a simulative analysis method for a hot riveting process of an automobile thrust rod. By virtue of a plastic mechanics theory and formation process finite element simulation software, analog simulation of all procedures of the hot riveting process of the thrust rod is realized; change conditions of various internal characteristics (such as stress strain, a metal flow line and the like) and external characteristics (such as casing pipe deformation, ball head and casing pipe contact and the like) of a casing pipe in the hot riveting process can reappear; the characteristics are data which cannot be obtained through a trial-manufacture test research method; through the characteristics, a forming mechanism of defects in the hot riveting process can be intuitively analyzed; for comparative analysis under different process parameters, optimization design of the process parameters is realized; the risk of a trial-manufacture test is effectively lowered; the cycle of determining the process parameters of the thrust rod is greatly shortened; the production cost of the thrust rod is greatly reduced; and powerful support is provided for quickly pushing a thrust rod product to the market.

Description

technical field [0001] The invention relates to a heat riveting production process analysis and optimization technology of an automobile thrust rod, in particular to a simulation analysis method for a heat riveting process of an automobile thrust rod. Background technique [0002] Automobile thrust rod is one of the key components of balance suspension and air suspension, and plays a vital role in the driving safety of automobiles. During the driving process of the vehicle, the thrust rod plays a vital role in force transmission, position limitation, vibration isolation, and shock mitigation. The thrust rods currently on the market are assembled by a ball head and a sleeve. The ball head is an assembly part of the thrust rod. One end is a ball handle. The other end is ring-shaped and used to install the ball joint; the casing is the assembly part of the thrust rod, and is generally cut to a certain length by seamless steel pipe. [0003] There are mainly three assembly pro...

AI Technical Summary

Problems solved by technology

At present, the research on the thermal riveting process of thrust rods mainly focuses on empirical formulas, corrugation adjustment, structural improvement and mold improvement. Defect formation mechanism, difficult to control the number of trial production, long batch production and finalization cycle, high cost of trial production and other shortcomings, are not conducive to the control of product development cycle and development cost, are not conducive to the rapid introduction of products to the market, and are of great importance to the market competitiveness of products. important influence

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