Gear construction method and digital equipment
A construction method and technology of digital equipment, applied in mechanical equipment, electrical digital data processing, belts/chains/gears, etc., can solve the problems of inaccurate tooth profile, cumbersome modeling process, time-consuming, etc., and achieve the effect of improving efficiency
Inactive Publication Date: 2015-04-29
空中客车简易股份有限公司
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Problems solved by technology
The tooth profile generated by this modeling method is not accurate enough
When this inaccurate gear model is applied to subsequent simulation analysis or actual processing, the analysis results and actual processed products are not satisfactory
In addition, it is necessary to regenerate each point and re-do curve fitting after the gear parameters are changed, so the modeling process is very tedious and time-consuming
Method used
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Embodiment Construction
[0033] The following description of preferred embodiments is exemplary only and in no way restricts the invention and its application or usage. The same reference numerals are used to denote the same components in the respective drawings, and thus the configurations of the same components will not be described repeatedly.
[0034] The following will refer to Figure 1-6 The gear construction method of the present invention is described in detail.
[0035] Step 1: Set gear parameters.
[0036] For example, the following gear parameters can be set: number of teeth z, modulus m, tooth width B, pressure angle α, dedendum coefficient C * , addendum height coefficient ha * . Those skilled in the art should understand that the gear parameters are not limited to the above parameters, but can be properly selected according to different construction methods of the gear model.
[0037] Step 2: Establish a three-dimensional coordinate system XYZ, where the Z-axis direction is set as ...
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The present invention relates to a gear construction method, including the steps of: i) setting gear parameters and an XYZ coordinate system; ii) according to the gear parameters, creating a first curve (1) associated with an involute of a tooth profile of a target tooth in an XZ plane, and creating a second curve (2) associated with the involute of the tooth profile of the target tooth in a YZ plane; iii) combining the first curve (1) with the second curve (2) to form a third curve (3) and projecting the third curve (3) onto an XY plane to obtain the involute (4) of the target tooth; and iv) constructing a tooth profile of the target tooth and form a solid model of the entire gear by using the involute (4). The present invention also relates to a digital apparatus associated with the above gear construction method.
Description
technical field [0001] The present invention relates to a gear construction method and digital equipment. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] In the existing gear modeling methods, the point drawing method is usually used to form the involute of the tooth profile. That is, a series of points are generated in modeling software based on external calculation results, and then these points are fitted into a curve to approximate the involute. The tooth profile produced by this modeling method is not accurate enough. When this inaccurate gear model is applied to subsequent simulation analysis or actual processing, the analysis results and the actual processed products are not satisfactory. In addition, each point needs to be regenerated and the curve fitting performed again after the gear parameters are changed, so the modeling process is v...
Claims
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IPC IPC(8): F16H55/08G06F17/50
CPCF16H55/0806F16H2057/0087B23F17/00G06T17/10G06F30/17
Inventor 郝广鑫胡永杨
Owner 空中客车简易股份有限公司