scholarly journals Wall thickness control in layered manufacturing for surfaces with closed slices

1998 ◽  
Vol 10 (4) ◽  
pp. 223-238 ◽  
Author(s):  
Seth Allen ◽  
Debasish Dutta
Keyword(s):  
Wall Thickness ◽  
Layered Manufacturing ◽  
Thickness Control

Online Wall Thickness Control for Blow Molded Part Using Hybrid Optimization Method and Fuzzy Iterative Learning Control Algorithm

2008 ◽  
Author(s):  
Geng-Qun Huang ◽  
Han-Xiong Huang
Keyword(s):  
Control System ◽  
Wall Thickness ◽  
Iterative Learning Control ◽  
Control Algorithm ◽  
Thickness Distribution ◽  
Learning Control ◽  
Optimization Method ◽  
Iterative Learning ◽  
Thickness Control ◽  
Molded Part

An online wall thickness control strategy for the extrusion blow molded part was proposed in this work. A simulation-based optimization method combining with finite element, artificial neural network, and genetic algorithm was used to determine the initial die gap profile for a part with required thickness distribution. A multi-channel ultrasonic thickness measurement system was built up to get the in-mold wall thickness of the blow molded part. Then, a feedback closed-loop control system based on fuzzy iterative learning control algorithm was designed and implemented to control the wall thickness of blow molded part. The results showed that the online wall thickness control system developed in this work can automatically achieve a proper die gap profile and get the satisfied part thickness distribution.

Research on Control System of Large Capacity of Hollow Blow Molding Machine

2015 ◽  
Vol 713-715 ◽  
pp. 885-888
Author(s):  
Jian Huang ◽  
Wei Min Li ◽  
Guang Liang Lu
Keyword(s):  
Control System ◽  
Wall Thickness ◽  
Development Process ◽  
Control Method ◽  
Control Points ◽  
Thickness Control ◽  
Advantages And Disadvantages ◽  
Development Analysis ◽  
And Control

This paper elaborate the structure of parison wall thickness control system; choice hardware of the control system; study on the determination of the thickness control method and control points of parison wall; research on the formation of the parison wall thickness curve; summed up the development process of extruding plastic machine heating method on the basis of the plastic molding machinery development; analysis the various of heating methods; summed up the advantages and disadvantages of various heating methods; explore their advantages and disadvantages for providing reference.

The wall thickness control for containers manufactured by the blowing method

Polimery ◽  
1994 ◽  
Vol 39 (01) ◽  
pp. 38-41
Author(s):  
STANISLAW LUTOMIRSKI ◽  
MIROSLAW LADYSZ
Keyword(s):  
Wall Thickness ◽  
Thickness Control

Atomic Layer Deposition on Electrospun Polymer Fibers as a Direct Route to Al2O3Microtubes with Precise Wall Thickness Control

Nano Letters ◽  
2007 ◽  
Vol 7 (3) ◽  
pp. 719-722 ◽  
Author(s):  
Qing Peng ◽  
Xiao-Yu Sun ◽  
Joseph C. Spagnola ◽  
G. Kevin Hyde ◽  
Richard J. Spontak ◽  
...  
Keyword(s):  
Atomic Layer Deposition ◽  
Wall Thickness ◽  
Atomic Layer ◽  
Polymer Fibers ◽  
Thickness Control ◽  
Direct Route ◽  
Layer Deposition

Research of Plastic Extrusion Blow Molding Parison Controllers

2012 ◽  
Vol 198-199 ◽  
pp. 1294-1297
Author(s):  
Yong Xiang Gao
Keyword(s):  
Wall Thickness ◽  
Raw Materials ◽  
Software System ◽  
Thickness Control ◽  
Blow Molding ◽  
Hardware System ◽  
Extrusion Blow Molding ◽  
Plastic Products

Currently the plastic products are with complex and diverse structures. The putting forward of developing blow molding controller is of great significance speaking from wall thickness control. This article designs the extrusion blow molding controller from two aspects, namely, software system and hardware system, with the aim to achieve the reasonable thickness of controlled parison and improve the products’ competitiveness by greatly reducing consumption of the raw materials.

Online Wall Thickness Control for Blow Molded Part Using Fuzzy Iterative Learning Control Algorithm

2007 ◽  
Author(s):  
Geng-Qun Huang ◽  
Han-Xiong Huang
Keyword(s):  
Control System ◽  
Wall Thickness ◽  
Iterative Learning Control ◽  
Control Algorithm ◽  
Learning Control ◽  
Iterative Learning ◽  
Measuring System ◽  
Thickness Control ◽  
Molded Part ◽  
Part Thickness

Blow molded parts require a strict control of the wall thickness distributions so as to achieve the required mechanical performance and to minimize the usage of material. In this work, an online wall thickness control strategy for the extrusion blow molded part was presented. A multichannel ultrasonic thickness measuring system was used to obtain the part wall thickness. A feedback control system based on fuzzy iterative learning control (ILC) algorithm was designed and implemented to control the part thickness. Instead of using the pure numerical method, engineer knowledge and experience were combined in the control algorithm using fuzzy rules. The results showed that the online wall thickness control system developed in this work can automatically achieve the die gap profile and the resulting part thickness can satisfy the desire thickness distribution.

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