- Industry: Software
- Number of terms: 1241
- Number of blossaries: 0
- Company Profile:
Moldflow develops plastic injection molding software.
A rib is a long, thin intersecting wall that is used to reinforce the outer walls of the plastic part.
Industry:Software
A short shot is the incomplete filling of a mold cavity which results in the production of an incomplete part.
Industry:Software
A single sub-domain of a finite element mesh. Elements typically used in molding simulation are:
*Two-node linear elements, used to represent runners, cooling channels and connectors.
*Three-node triangular elements, used to represent surfaces.
*Four-node tetrahedral elements, used to represent solids.
The properties of the element are assumed to be homogeneous.
Industry:Software
A transducer is a mechanical or electrical device that is used to measure a value and transmit the measurement to a recorder, or to a device that can compare the measurement with a desired value.
Industry:Software
A trimmed surface is a NURBS surface with a set of curves defined in the UV space of the surface. This provides an easy way to define non-rectangular representations (patches) of surfaces.
(NURBS is a Non-Uniform Rational B Spline, a common mathematical representation in the CAD industry.
Industry:Software
A value that represents the force created by the flow of plastic past the wires of an integrated circuit. The wire sweep index (also known as sweep index) is the sum of viscosity times velocity at each grid point in the model, with the result averaged by the number of grid points.
If the wire sweep index is high in regions of the model containing wires, then it indicates a possible location for wire breakage. Since viscosity is dependent on temperature, shear rate, and the rate of cure, a sweep index may be reduced by changes to these variables.
Industry:Software
A valve gate is a component of a hot runner system. The sprues from the hot runner drop through the cavity plate to the part(s). Each sprue has a rod that can be moved forward to cut off flow through the sprue. The opening of the sprue is timed to be just after the melt front has passed that location. The lower pressure drop through the hot runner system is passed on to the gate, allowing lower filling pressures and reduction in the number of weld lines in the part.
Industry:Software
A vent is a small channel at the end of a flow path that allows air to escape the cavity.
Industry:Software
A weld line is a weakness or visible flaw created when two or more flow paths meet during the filling process. If the two flow fronts have cooled before meeting they don't interdiffuse well and can cause a weakness in the molded part. A line, notch and /or color change can appear.
Move weld lines to areas where strength is of less importance and visual appearance is less obvious. You can move weld lines by changing:
*Polymer injection location.
*Wall thickness.
Industry:Software
