Method for thermal deformation error compensation of digital control gear hobbing machine
A technology of thermal deformation error and compensation method, which is applied in the direction of manufacturing tools, other manufacturing equipment/tools, etc., can solve the problem that the establishment of error compensation model is not practical, does not involve the mathematical modeling and compensation method of machine tool thermal error, CNC machine tools The positioning and trajectory tracking accuracy of the feed system is not high
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[0099] Example
[0100] The following is an example of using YKS3120 CNC gear hobbing machine for thermal deformation error compensation:
[0101] 1) Such as figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 and Picture 8 As shown, 64 temperature sensors T are arranged in the CNC gear hobbing machining area of the model YKS3120 1 , T 2 , T 3 ,..., T 64 And 7 displacement sensors X 1 , X 2 ,..., X 7 (X 1 With X 2 Is the thermal deformation displacement value in the radial X direction of the hob spindle, X 3 , X 4 , X 5 , X 6 , And X 7 Is the thermal deformation displacement value of the working mandrel in the radial X direction), the temperature and thermal deformation displacement are measured online, the measurement time is 12 hours, and a set of data is read in 30 seconds;
[0102] 2) Picture 9 In order to optimize the temperature variable-time curve used for modeling, a set of temperature variables are optimized: {T 1 , T 3 , T 5 , T 10 , T 12 , T 13 };
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