The parametric modelling of springs and variable model assembly are achieved based on UG regular curves and pipeline commands.The variable pitch helix is established through the regular curve derived from parametric equations,which can better describe the characteristics of the spring;the parametric model is established according to the characteristics of the spring,which can quickly complete the modelling of the family parts.Based on the parametric equations to form the helix,the model generated by the pipeline command is simple,and the original coordinate system is used as the origin;at the same time,the simple modelling process is more conducive to the assembly of multiple deformable parts,and avoids the modelling problems due to the interference of the reference contents of different deformable parts.
compression springparametric equationregular curvevariable model
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