Regression Model Developed Using RSM for Predicting Withstanding Pressure of HDPE Pipe During Extrusion Process

  • S. Krishna MadhaviEmail author
  • N. S. V. N. Hanuman
  • R. Umamaheswara Rao
Conference paper
Part of the Lecture Notes on Multidisciplinary Industrial Engineering book series (LNMUINEN)


High-density polyethylene (HDPE) pipe is most popularly used in numerous applications such as domestic appliances, electrical, and agriculture, appliances because of their high density and water hammer characteristic. HDPE pipe is produced through extrusion technique using various molding processes. During this process, controlling parameters such as dimmer speed die head temperature and pushing zone temperature can play a vital role to enhance the quality of the pipe. The quality parameter considered here is withstanding the pressure of pipe during flow of fluid at different working conditions. In the present work, a regression model was developed using RSM to predict proper withstanding pressure by considering selected control parameters as an input factor and predicted withstanding pressure is an output response factor of the blow-molding process. Finally, the results of regression model were compared with experimental outcome and found to be in good agreement. The results of the predicted model can be used as selected control parameters to ensure the desired quality of HDPE pipe.


Response surface method Molding process Response optimizer 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • S. Krishna Madhavi
    • 1
    Email author
  • N. S. V. N. Hanuman
    • 2
  • R. Umamaheswara Rao
    • 2
  1. 1.AITAMSrikakulamIndia
  2. 2.SITETadepalligudamIndia

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