Minimization of warpage obtained from the optimization and analysis data from the Design Expert software.
The variable parameters of the process are packing pressure, packing time, melt temperature and cooling time. In this study, plastic dispenser of dental floss has been analysed with thermoplastic material of Polypropylene (PP) used as the moulded material and details properties of 80 Tonne Nessei NEX 1000 injection moulding machine also has been used in this study. This study was concentrated on the effects of process parameters in plastic injection moulding process towards warpage problem by using Autodesk Moldflow Insight (AMI) software for the simulation. Warpage analysis in injection moulding process Quenching modes removing the warpage in billets of Al7049 are determined. The relation between the warpage and the dimensionless Biot number is obtained. Comparative analysis is used to find the maximum residual stresses responsible for warpage of the alloy after machining. The mechanical properties and the Brinell hardness of the alloy are determined after different modes of heat treatment. Heat treatment of the specimens is performed in different quenching media (cold water, boiling water, aqueous polymer solutions).
Sani, Saeed Aliakbari Feizabadi, Javad Pourgharibshahi, Mohammad Hashemi, Seyed HamidrezaĪluminum alloy Al 7049 is studied in state T6. Effect of Quenching Medium on Mechanical Properties of Alloy Al7049-T6 and Lowering of its After-Machining Warpage
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