Blow Molding Process Optimization of Amorphous Alloy Tube Blank Based on POLYFLOW Software

2011 ◽  
Vol 121-126 ◽  
pp. 3827-3831
Author(s):  
Yu Qin Guo ◽  
Xin Yang ◽  
Juan Juan Han ◽  
Wei Chen
Keyword(s):  
Amorphous Alloy ◽  
Process Optimization ◽  
Diameter Ratio ◽  
Evaluation Index ◽  
Forming Limit ◽  
Process Scheme ◽  
Molding Process ◽  
Blow Molding ◽  
Software Studies ◽  
Simulation Results

Aimed at Zr44Ti11Cu10Ni10Be25 amorphous alloy and based on POLYFLOW software, studies the influence of die inlet diameter, blowing pressure and die transition fillet on the blow molding performance of tube blank systemly, and raises a new evaluation index to evaluate the formability of amorphous tube blank, limit height to diameter ratio (LHTDR) . The simulation results indicate that the forming limit of tube blank can be multiple improved with the decrease of die inlet diameter, blowing pressure has a significant effect on the forming limit which can be improved by decreasing the pressure, and the larger of the die transition fillet the higher of the forming limit in certain range. Finally, a set of reasonable process parameters is given which has great significance for guiding the formulation of blow molding process scheme.

Blow Molding Process Optimization of Amorphous Alloy Tube Blank Based on DEFORM Software

2012 ◽  
Vol 487 ◽  
pp. 525-529
Author(s):  
Yu Qin Guo ◽  
Xin Yang ◽  
Juan Juan Han ◽  
Wei Chen
Keyword(s):  
Amorphous Alloy ◽  
Process Optimization ◽  
Variable Thickness ◽  
Metallic Glasses ◽  
Amorphous Alloys ◽  
Yale University ◽  
Molding Process ◽  
Blow Molding ◽  
Forming Technology ◽  
Application Fields

In recent years, with the increase of the research about forming technology of amorphous alloys, blow molding is explored to process the amorphous shell parts and containers both at home and abroad. Jan Schroers of Yale University found that it can improve the formability of amorphous alloys greatly by adjusting the thickness of plate blank and prefabricating parison. In this article, choosing Zr44Ti11Cu10Ni10Be25 as the study object, plate blanks with variable thickness are prefabricated to optimize the uniformity of the wall thickness of tube blank molded and studies the effects of blowing pressure and material viscosity on the formability of tube blank based on DEFORM software, so as to define the reasonable process parameters, provide theoretic foundation for blow molding process optimization of bulk metallic glasses (BMGs) plate and develop the industry application fields of BMG materials.

Simulation on Effect of Five Kinds of Belt Structures on Tire Performance

2012 ◽  
Vol 501 ◽  
pp. 151-155
Author(s):  
Yong Liu ◽  
Ge Zhang ◽  
Hua Yan ◽  
Yu Mei Ding ◽  
Wei Min Yang
Keyword(s):  
The Other ◽  
Molding Process ◽  
Simulation Results ◽  
Better Than

In this article, three kinds of belt named B, C and D type are invented, then their main performance are compared with the other two kinds of belt structures introduced in previous papers. Simulation results showed that B and D-type belts are better than the other three. Comparatively the latter needs less material, its molding process is easier, and the tire body is lighter than B type tire, so in general it can be considered that D-type belt is the best among the five kinds of belt structures.

scholarly journals STUDY OF DEFECT ON 180 ML HDPE BOTTLES YOGURT PRODUCTS WITH SMC B11 EXTRUSION BLOW MACHINE AT PT X

KREATOR ◽  
2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Tommy Prasetya Kana ◽  
Handika Dany Rahmayanti ◽  
HM Didik
Keyword(s):  
High Density Polyethylene ◽  
Plastic Material ◽  
Production Cycle ◽  
Molding Process ◽  
Plastic Packaging ◽  
Cycle Times ◽  
Blow Molding ◽  
Plastic Bottle ◽  
Extrusion Blow Molding ◽  
Stretch Blow Molding

The type of plastic packaging that is popular in the community is bottle packaging. The plastic material that is generally used to make plastic bottles is High Density Polyethylene (HDPE). The plastic bottle industry in Indonesia usually uses a blow molding process in its production process, where the blow molding process consists of injection blow molding, extrusion blow molding and stretch blow molding. The SMC B11 machine is one of the extrusion blow molding machines used to produce plastic bottle packaging. In producing workpieces, this machine still produces several products that are not in accordance with company standards, including in terms of production cycle times and product defects. Defects or defects that are often encountered include the appearance of spots, bent parison which causes the bottle to bend (the bottle body is thin one side) and blow pin which causes the thread to not fit.Keywords— Bottle, Plastic, Defect, Extrussion Blow Molding

Development of Conductive Packaging for Beverage Processing by Ohmic Heating

2020 ◽  
Vol 861 ◽  
pp. 213-217
Author(s):  
Sumuncharee Suyraksa ◽  
Pitiya Kamonpatana ◽  
Noppadon Kerddonfag ◽  
Amporn Sane ◽  
Vanee Chonhenchob
Keyword(s):  
Electrical Conductivity ◽  
Orange Juice ◽  
Sodium Sulfate ◽  
Ohmic Heating ◽  
Uniform Heating ◽  
Molding Process ◽  
Conductive Material ◽  
Blow Molding ◽  
Extrusion Blow Molding

This study was aimed to develop conductive packaging for ohmic heating. Polypropylene (PP) was mixed with conductive material (CM) in the ratios of 70:30 (CM30), 75:25 (CM25), and 80:20 (CM20) (w/w), then the conductive bottles were developed using extrusion blow molding process. The bottles were suspended in different sodium sulfate (Na2SO4) solutions (0.2, 0.3, and 0.5% w/w) as a transmitting current medium for ohmic heating and heated for 8 min. The CM30 and CM 25 had the highest electrical conductivity compared to the CM20, however the CM20 exhibited best processability, hence it was selected to be used for ohmic heating of orange juice. Different concentrations of Na2SO4 solutions had the effects on ohmic heating. The CM20 bottle suspended in 0.2% Na2SO4 solution resulted in the most uniform heating and suitable for ohmic processing of orange juice. The new conductive bottles developed could potentially be used for beverage processing by ohmic heating.

Study on the Forming Process of the Crossmember in Car Intermediate Floor

2013 ◽  
Vol 442 ◽  
pp. 593-598
Author(s):  
Xue Xia Wang ◽  
Peng Chong Guan ◽  
Hai Peng Li ◽  
Li Hui Wang ◽  
Na Zhang ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Numerical Model ◽  
Process Parameters ◽  
Thickness Distribution ◽  
Forming Limit Diagram ◽  
Forming Limit ◽  
Simulation Technology ◽  
Forming Process ◽  
Distribution Diagram ◽  
Simulation Results

Flanging and bending forming processes of the crossmember in car intermediate floor are investigated respectively by using numerical simulation technology. The numerical model of the crossmember was established and its press forming effect was simulated to determine the feasible process parameters affecting its manufacturability. Forming limit diagram and thickness distribution diagram are used to evaluate simulation results of different process schemes. And then optimum values of process parameters for flanging and bending are found, which can reduce the tendencies of wrinkling, springback and crackling during the stamping of the product.

Effect of the Load Path on Formability of T-Shaped Tube Hydroforming

2011 ◽  
Vol 101-102 ◽  
pp. 962-965 ◽  
Author(s):  
Wen Liu ◽  
Ji Qiang Li ◽  
Bin Bin Chen ◽  
Zhi Xin Jia
Keyword(s):  
Tube Hydroforming ◽  
Fem Simulation ◽  
Evaluation Index ◽  
Load Path ◽  
Line Load ◽  
Evaluation Indexes ◽  
Shaped Tube ◽  
Simulation Results

Based on the analysis of now available evaluation indexes to estimate the formability of T-shaped tube hydroforming, an aggregative indicator is proposed. The effect of load path on the formability of T-shaped tube is discussed by FEM simulation, and validity of the evaluation index and simulations are proved by experiment. Results show that with the broken line load path of 0-35-35-60, the value of aggregative indicator is the greatest and the formability is the best. The optional parameters are testified by experiment and the results are in agreement with the FEM simulation results.

Injection Molding Process Windows Considering Two Conflicting Criteria: Simulation Results

2012 ◽  
Author(s):  
Alicia B. Rodríguez ◽  
Esmeralda Niño ◽  
Jose M. Castro ◽  
Marcelo Suarez ◽  
Mauricio Cabrera
Keyword(s):  
Injection Molding ◽  
Multiple Criteria ◽  
Process Window ◽  
Injection Molding Process ◽  
Processing Conditions ◽  
Molding Process ◽  
Multiple Criteria Optimization ◽  
Simulation Results ◽  
Main Ideas

In this work, two criteria in conflict are considered simultaneously to determine a process window for injection molding. The best compromises between the two criteria are identified through the application of multiple criteria optimization concepts. The aim with this work is to provide a formal and realistic strategy to set processing conditions in injection molding operations. In order to keep the main ideas manageable, the development of the strategy is constrained to two controllable variables in computer simulated parts.

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