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Rectangular spline contact kinetics simulating method based on assembly feature information

A dynamic simulation and feature information technology, applied in the field of simulation, can solve the problem that the tolerance information cannot be considered in assembly feature information, etc., to achieve the effect of reducing safety margin and avoiding impact failure

Inactive Publication Date: 2017-10-13
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0074] In view of the deficiencies in the above-mentioned prior art, the purpose of the present invention is to provide a method for simulation of contact dynamics of rectangular splines based on assembly feature information. The problem with feature information

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  • Rectangular spline contact kinetics simulating method based on assembly feature information
  • Rectangular spline contact kinetics simulating method based on assembly feature information
  • Rectangular spline contact kinetics simulating method based on assembly feature information

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Embodiment Construction

[0105] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0106] like Figure 5 and combine Figure 6 to Figure 13 As shown, a method for simulation of rectangular spline contact dynamics based on assembly feature information includes the following steps:

[0107] The first step: analyze the spline assembly feature information; the second step: establish the ideal spline geometric shape model;

[0108] Step 3: Add assembly feature information; Step 4: Establish contact dynamics model; Step 5: Solve simulation results.

[0109] Further, in the step of analyzing the characteristic information of spline assembly, according to the spline positioning and spline fit information in the spline assembly process, the required spline assembly characteristic information in the modeling process is determined, and the...

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Abstract

The invention relates to the technical field of simulation, in particular to a rectangular spline contact kinetics simulating method based on assembly feature information. The method comprises the following steps: first step, analyzing spline assembly feature information; second step, establishing a perfect spline geometrical model; third step, adding the assembly feature information; fourth step, establishing a contact kinetics model; and fifth step, solving a simulating result. The rectangular spline contact kinetics simulating method based on the assembly feature information has the beneficial effects that spline assembly feature information including fit tolerance and tooth profile tolerance is considered, the working state of a spline is simulated by contact kinetics, according to a simulating result, influences of the fit tolerance of the spline and the tooth profile tolerance of the spline to the dynamic characteristics of the spline can be obtained, influence of different tolerance selection to spline tooth contact forces is obtained, the simulating result conforms to a real result, the service life of the spline can be analysis under the effect of impact load, simulation calculation can be carried out by the algorithm, and the design result can be close to reality.

Description

technical field [0001] The invention relates to the technical field of simulation, in particular to a method for simulating contact dynamics of a rectangular spline based on assembly feature information. Background technique [0002] Spline is an important form of transmission connection with high reliability and is widely used in power transmission between shafts, gears, couplings and other mechanical parts. The design of traditional splines is often based on the designer's experience and international standards, and a large safety margin is set in the design process. In the design process, only the static load on the spline is calculated, and the dynamic load is estimated by the empirical coefficient method. This results in an overly conservative spline design, resulting in a bulky product and a waste of material. The empirical estimation of the dynamic load may also cause the spline to fail when it is subjected to a large impact load, resulting in product damage. There...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/20
Inventor 姚寿文闫清东王瑀林博
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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