Resin Transfer Molding (RTM), as a method for the manufacture of advanced ber reinforced composite materials, is attractive because it ooers the possibility of lower manufacturing costs and more complex shapes than traditional methods. A major issue in this new manufacturing process is the elimination of void spaces in the resin ll operation, so that products with high quality are manufactured....

Multilayer elastomeric device fabrication by replication molding requires a method for bonding together layers. In our development of solvent-resistant microfluidics, the goal with each promising new material or coating was to fabricate multilayer chips to evaluate crossed-channel valve performance and ultimately to implement functional elastomeric devices. However, determining a reliable adhes...

In this paper, some molding process parameters such as injection time, packing time, packing pressure and process temperature etc. were optimized by the Computer Aided Engineering (CAE) simulation (Moldex 3D) for injection molding of a plastic lens. Some experimental trials were carried out for verifying of the CAE simulation results with checking of the lens shrinkage and birefringence etc. as...

Method The first concept is the mathematical model of circled helicoid. In the torso column, the generating circle is perpendicular to the axis. To obtain a torso column in the opposite side of scoliosis, the superposition of three electronic instantaneous full 3D moldings are necessary: First molding in self active axial elongation for pelvis and shoulders Second molding in lumbar shift and ph...

BACKGROUND Burns and pressure sores are common injuries during cast application. Various factors such as water temperature, padding, and cast material layers may play a role in these injuries; however, the effect of cast molding on temperatures and pressures has not been investigated. This raises the following questions, does the application of molding during cast application: (1) alter skin le...

In conventional “vehicle-focused” aircraft design and manufacturing, aircraft are optimized for a given mission and then manufactured using custom-built tooling. This strategy ensures the highest vehicle performance for any given mission but is inflexible in that accommodating new missions requires the production of new tooling, a time-consuming and expensive process. An alternative, “Adaptable...