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All in Design Engineering
The bow and twist allowance in a circuit card assembly (CCA) or a printed circuit board (PCB) extend from the manufacturing processes and result to the installation and mechanical packaging while in operation.
Designing a bolted joint involves many structural considerations including preload requirements, torque requirements, thread engagements, etc. The bolted joint is expected to withstand the maximum applied forces to the joint over its lifetime of operations.
Blast and explosion mitigation has come a long way from thick concrete and metal housings. … The result was the discovery of a high tensile strength to weight ratio polymer given the name Energy/Explosion Resistant Coating or ERC.
A bolted joint is the joining of two pieces of material using a bolt (or other threaded fastener) and a nut or threaded/tapped hole. It is expected that the bolted joint will be able to withstand the maximum applied forces to the joint over its lifetime.
Choosing the correct rivet length for structural and nonstructural purposes is important for making full use of the material properties of the chosen rivet. Rivets are permanent mechanical fasteners that plastically deform to maintain axial loading on a joint.
Nature’s ability to evolve through natural selection, genetic drift, and other mechanisms has become an inspiration to modern (and historic) design choices. This process of designing based on natures problem solving through evolution has been given the name – biomimicry.
Whether you’re a professional, a student, a DIYer, or simply trying to learn the tools used by professional engineers and scientists, you know the limiting factor is expensive software. Below are the most popular and professionally built open sourced projects and software available as alternatives to engineering software used in the professional world.
Second Law of Thermodynamics: Heat naturally flows from high temperature to low temperature but not the other way around; Disorder, or entropy, generation is always positive in a closed system undergoing an irreversible process.
The pressure-volume diagram (abbreviated as the P-V diagram) is a graphical representation of the changes in pressure with respect to volume in a closed system. P-V diagrams are useful for determining the efficiency of a system and/or the work done by or to a system.
First Law of Thermodynamics: The conservation of energy - energy into a closed system must equal energy out of a closed system. Energy cannot be created or destroyed, but can be changed and transferred.
Zeroth Law of Thermodynamics: If object A is in thermal equilibrium with object B, and object B is in thermal equilibrium with object C, then object C is in thermal equilibrium with object A.
The working directory for the upper level assembly may be isolated from the parts that make it up, therefore, Creo Parametric needs to understand where the parts are. All of this happens inside the configuration editor and saved in the config.pro file.
Modeled welds can be added to a part and assembly file in Creo Parametric, but for communication purposes, adding weld symbols and requirements on an engineering drawing is more important. PTC makes it easy to add weld symbols by providing a suite of pre-generated symbols and an options dialog box to customize the symbol as needed per ANSI or ISO standards.
Learn how to create an engraving on a flat surface and a curved surface using Creo Parametric 4.0. Most high-end CNC milling machines are capable of letter engravings programming; Creo Parametric and other modeling software offers more control and portability.
Announcement: We have recently released new wallet sized stainless steel engineering reference cards for purchase in our store! Use them as durable reference cards while in the field or as convenient reference information while in the office. Reference information includes: weld symbols, GD&T symbols, and a drill & tap chart.
