Calculation method of involute gear forming grinding wheel

Abstract

The invention provides a calculation method for the involute gear forming grinding wheel, which can calculate the shaping equation of the forming grinding wheel based on the predetermined second-order transmission error, so as to quickly determine the modification amount of the gear. The calculation method of the involute gear forming grinding wheel of the present invention is used to calculate the shape used for grinding the tooth profile of the driving wheel and the driven wheel according to the preset second-order transmission error between the driving wheel and the driven wheel The modeling equation of the grinding wheel has such characteristics, including: step 1, analyzing the parabolic function of the second-order transmission error curve, establishing a mathematical model of the second-order transmission error, and calculating the rotation angle of the driven wheel; step 2, based on the generated rack method , to obtain the hypothetical generated tooth surface equation with the second-order transmission error; Step 3, calculate the generated tooth surface of the imaginary driving wheel; Step 4, calculate the generated tooth surface of the hypothetical driven wheel with the second-order transmission error; and Step 5 , Calculate the modeling equation of the forming grinding wheel with the second-order transmission error.

Description

technical field [0001] The invention relates to a calculation method for an involute gear forming grinding wheel capable of calculating a forming equation of the forming grinding wheel based on a predetermined second-order transmission error so as to quickly determine the modification amount of the gear. Background technique [0002] The profile grinding method is a method of grinding the gear tooth profile with a profile grinding wheel. By controlling the profile of the profile of the profile of the profile of the gear, the adjustment of the parameters of the gear modification is realized, thereby improving the meshing performance of the gear. Therefore, the profile of the profile of the profile of the profile of the profile of the profile of the profile of the profile of the profile Calculation has always been the core issue in the process of profile grinding. [0003] The transmission error is an important index reflecting the vibration noise of the gear pair. Theoretica...

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Problems solved by technology

[0004] However, in fact, since the profile grinding method directly completes the profile grinding to obtain the involute gear pair by inputting the modification amount of the tooth profile, it is a "passive" design process, so the amplitude of the transmission error, etc. The shape and position parameters are not easy to control, and it often needs repeated trial grinding and adjustment to meet the design requirements. The trial grinding and adjustment process is complicated, which often makes the processing cycle too long; Subjective factors are relatively large in the process, and the adjustment direction of the modification parameters is not clear

In addition, due to the small amount of modification of the tooth profile, the precision and processing technology of the machine tool are required during the dressing and grinding process of the forming grinding wheel, and the processing is difficult.

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