Fit is the ability of an item to physically interface with, interconnect with or become an integral part of another item. : ATP stands for Acceptance Test Plan. This is used in a transaction in which a customer returns goods to a manufacturer, often to have them repaired or replaced. Instrumental does not use LIDAR, but we can be applied to LIDAR products. This list includes abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies. Mechanical Engineering acronyms and abbreviations. Pre-EVT: Pre-EVT stands for Pre-Engineering Validation Test. (i.e. This is when a product design engineer implements a new design change when a product is already in mass production. CMU. Sometimes encapsulant can be used to increase the strength of an electronic joint as well. PD often refers to the mechanical engineers working on a product. Dimensions may be given as "across sharp corners" although the corners get radiused. This often relates to the fixtures and test equipment. FATP is the process of assembling, often by hand, a product from different parts. PDX is an open XML (eXtensible markup language)-based standard allowing organizations to access their data directly, even using their own XML-based applications/tools. Unit of Measure. Red rabbit: A red rabbit is an intentionally defective unit (usually made) used to train systems to catch similar defects in the future. 45.130.104.194 DVT: DVT stands for Design Validation Test. This includes the serial and lot numbers of the devices produced, and any complaints or issues that are lodged against particular devices. Often called Shop Floor. Visit our. NPD is the overall process of conceptualizing, designing, planning and commercializing a new product. Some examples of EDA software include Altium Designer by Altium, DxDatabook by Mentor Graphics and OrCAD Capture CIS by Cadence. All approved AML parts for each internal part can share a single inventory bin. In a manufacturing environment, an SOP is the documented workflow for any standard practice. They play an integral role in ensuring a successful development, ramp and launch of a product. To avoid confusion, spell out. Language links are at the top of the page across from the title. The PDE is responsible for the overall design of the product as well as finding, fixing, and monitoring potential defects and anomalies across the program. MCO is the physical shape, or a drawing that represents a part or component. This is the formal process where companies will request a quotation of a specific part or assembly. Members can engage with various ASME official groups (Sections & Technical Division). In the first 6-8 weeks after shipping, manufacturing teams capture returned units back from the field in order to conduct failure analysis on them and try to implement changes to improve the product. The picture of the assembled PCB above has only surface mount components. NPD is the overall process of conceptualizing, designing, planning and commercializing a new product. Item: A part, process or document included in a manufacturers product record. A DHF is a collection of records that describes the design history of a finished medical device. An ECR may be a precursor to an ECO. ODMs are often paid to engineer a product from concept and deliver all the way to production. 1. : DVT stands for Design Validation Test. ITAR is a set of United States government import and export regulations. MCAD software is used by mechanical engineers to develop concepts and designs of mechanical systems. Rate it: AFMC. : CM stands for contract manufacturer. See also basic dimensions, which are similar in some respects. DMR is a collection of records that contain the procedures and specifications for a finished medical device. EE: EE stands for Electrical Engineer/Engineering. An AML is a set of approved relationships between manufacturer parts and a companys internally defined parts. The parts list or L/M, in the "material" field, will say "M/F PN 12345". Box-build Also called systems integration, box-build is the assembly work, other than printed circuit board (PCB) production, involving enclosure fabrication, installation of sub-assemblies and components, and installation and routing of cabling or wire harnesses. Using too many acronyms or abbreviations can make a drawing harder to understand. Function is the action or actions that an item is designed to perform. Some examples of ERP software systems include NetSuite and Expandable. : OQC stands for Outgoing Quality Control. E2 - Engineering - Mechanical Engineering 2; E3 - Engineering - Electrical Engineering 1; E4 - Engineering - Software Engineering 1; Electronic & Electrical Engineering (6B) 177; Engineering 882; Engineering Multi-Skill Leadership (6C) 41; Engineering & Systems Support Analysis (GB) 6; This describes an item that contains another item (i.e. Change management is the process of creating, reviewing and gaining formal approval for engineering change requests, change orders and change notifications. This differs from a push inventory system where deliveries are planned in advance based on a master schedule. : PDE stands for product design engineer. MWI stands for Manufacturing Work Instructions. : PRQ stands for Post Ramp Qualification. : Layout is the process of creating the design files for a PCB. This includes maintaining and properly distributing product files while following revision control procedures. CAPA: CAPA stands for Corrective Action/Protective Action. The original manufacturer of a product that may be sold or marketed by another company. DMR is a collection of records that contain the procedures and specifications for a finished medical device. Acronym Definition; Mme: Madame (French for Mrs) Mme: Mesdame (French: Madame) Mme: Master of Medical . Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing. It can also be a set of controls for other departments, such as human resources, finance/accounting and corporate reporting. DMR stands for Device Master Record. A Pre-EVT unit will be considered looks-like/feels-like but is lacking the full polish of a finished product. Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing. BGA: A ball grid array is a type of surface-mount packaging (a chip carrier) used for integrated circuits. The issuance of a drawing from the engineering/design activity to the production activity. ITAR stands for International Traffic in Arms Regulations. MWI: MWI stands for Manufacturing Work Instructions. Scrubbing: Used in the phrase scrubbing a BOM to describe the process of confirming that all aspects of a bill of materials (BOM) are documented accurately in the appropriate control systems and verifying that the BOM represents a manufacturable assembly. The meaning of MECHANICAL ENGINEERING is a branch of engineering concerned primarily with the industrial application of mechanics and with the production of tools, machinery, and their products. can also be used. PLM is the management of the product record, including bills of materials, specifications, revisions and changes, from prototype through end-of-life. BOM stands for Bill of Materials. An SoC is often several separate integrated circuits placed on chip. Fab House: A fabrication house manufacturers printed circuit boards. PDX is an open XML (eXtensible markup language)-based standard allowing organizations to access their data directly, even using their own XML-based applications/tools. a child item) in its bill of materials. An AML is a set of approved relationships between manufacturer parts and a companys internally defined parts. Instrumental does not use LIDAR, but we can be applied to LIDAR products. It is also useful to estimate the hazard distances with respect to property and people for the various infrastructures. : RFQ stands for Request For Quotation. Australasian Fluid Mechanics Conference. Sometimes encapsulant can be used to increase the strength of an electronic joint as well. A nominal dimension for the stock material, such as. Commonly used when measuring the flat surfaces of a hex drive, such as a hex nut. MCO: MCO stands for Manufacturing Component Outline. Some types of compliance requirements are environmental requirements and medical device regulations. : GR&R stands for Gauge Reliability and Repeatability. Manufacturers in the aerospace and defense industry and others that provide products to the U.S. military and government often have to comply with ITAR. It is poor engineering to specify a CR instead of an R simply on the theory of enforcing good workmanship. An RMA is a financial and work order tracking key to identify a returned items origination. A BOM is the list of parts or items that make up a product assembly. This is the last step in the development process before mass production. Tools. This strict version of radius definition is specified in demanding applications when the form of the radius must be controlled more strictly than "just falling within the dimensional tolerance zone". In other words, distances may be given from intersection points where lines intersect, regardless of edge breaks or fillets. Use of Access Engineering online reference tool. Also called systems integration, box-build is the assembly work, other than printed circuit board (PCB) production, involving enclosure fabrication, installation of sub-assemblies and components, and installation and routing of cabling or wire harnesses. : Mass Production is the final step in getting the product out the door. QC is the process done at the factory to ensure the product youre assembling is free of defects. A system in place to ensure that quality of manufacture is produced and maintained; a system to prevent defective parts from being made, or, even if made, from getting into finished inventories. Routing: Routing often refers to the making of connections between components in a circuit. It is generally thought this is what will make autonomous driving work. JIT (Just in time) A strategy used to monitor inventory levels with the goal of reducing inventory and associated carrying costs. APQP: APQP stands for Advanced Product Quality Planning. Class, for example, "paint per spec XYZ revision C type 1 class 2" may be abbreviated as "paint per spec XYZ REV C TY 1 CL 2" or even in some cases "paint per spec XYZ-C-1-2". CA: CA stands for corrective actions, which are measures taken by the manufacturer to introduce and validate solutions to defects, failure modes, or anomalies. For a broad overview of engineering, see glossary of engineering . CMF: CMF stands for Color, Material, and Finish. : QA stands for Quality Assurance. An example is a change to the approved manufacturer list (AML). APA All Acronyms. This includes information and directions on how to perform a manufacturing task. DMR: DMR stands for Device Master Record. : ODM stands for Original Design Manufacturers. Some examples of EDA software include Altium Designer by Altium, DxDatabook by Mentor Graphics and OrCAD Capture CIS by Cadence. See also, A list, usually tabular and often on the drawing (if not accompanying the drawing on a separate sheet), listing the parts needed in an assembly, including subparts, standard parts, and hardware. It is Masters Mechanical Engineering. . In regards to a product, RF often refers to the radios that are often integrated. This process is often done in an assembly line where at each station the operator has only one function (i.e. EPMs help coordinate engineering efforts to ensure things go smoothly from concept to launch. UL, CE, CCC, FCC and VCCI ). This is a change request which details a problem with a document, specification or SOP (standard operating procedure) and proposes a change to fix it. : CAD stands for Computer Aided Design. For example, in the same build, you might build a configuration of black units and a configuration of white units. ECN stands for Engineering Change Notice. LIDAR: A detection system that works on the principle of RADAR, but uses laser light. Often called Shop Floor. A PDM system is used to hold mechanical CAD files, including parts and assembly models as well as drawing files. TTM stands for Time to Market. BGA packages are used to permanently mount devices such as microprocessors. Encapsulation inspection is a good application for Instrumental. There should be no whitespace between the numeral and the letter X. to ensure that said experiment produces valid and useful results. QA is the process done before a product is set to ramp. Defines centre-to-centre distance of two features, such as two holes. Example: DIA for diameter. This often relates to the fixtures and test equipment. Performance & security by Cloudflare. This is the period of time from development of a product concept to availability of the finished product. As a reminder, guidelines may change based on the discipline, professor, employer, or journal the document is written for. Manufacturers in the aerospace and defense industry and others that provide products to the U.S. military and government often have to comply with ITAR. The, The [U.S.] National Extra Fine series of pre-1949 corresponds today to the Unified National Extra Fine (UNEF) of the, The [U.S.] National Fine series of pre-1949 corresponds today to the Unified National Fine (UNF) of the. They often take Gerber files or ODB++ files to help translate a virtually designed PCB to the real thing. GMP stands for Good Manufacturing Practice. QMS: QMS stands for Quality Management System. MES stands for Manufacturing Execution System. ATP: ATP stands for Acceptance Test Plan. No longer a commonly used abbreviation. SOP: SOP stands for Standard Operating Procedure. In some cases the part may be built in house or outsourced from a vendor. QMS stands for Quality Management System. This glossary of mechanical engineering terms pertains specifically to mechanical engineering and its sub-disciplines. This enables engineers to design products that are extremely small but have a huge amount of functionality. This includes the serial and lot numbers of the devices produced, and any complaints or issues that are lodged against particular devices. This enables engineers to design products that are extremely small but have a huge amount of functionality. It can be visualized as a nested list whose parts or items are listed in two or more levels of detail. A requirement could be a government regulation regarding environmental or safety concerns, or any internal standard. Masters Mechanical Engineering listed as Mme. Rel: Rel stands for Reliability, as in reliability testing (environmental, mechanical, chemical, strife, etc). This is the period of time from development of a product concept to availability of the finished product. Made-to-Spec Describes an item that is made to a companys specifications internally or by a supplier. Not an obsolete usage, but not seen as commonly as it was decades ago; not least because parts that once would have been spot-faced castings are now likelier to be contoured from billet with, The rectangular box (with several cells) that conveys geometric tolerances in, The [main] field of the drawing, as opposed to other areas of it, such as the parts list (. PDE: PDE stands for product design engineer. : EOL stands for end-of-life and is often used by OEMs on products that they will no longer market, sell, or update often after a newer model is released. In addition, it may include CAPA records describing investigations, corrective and preventative actions and details about how any complaints were addressed. POR is often used to indicate if a certain function or physical component of a product is close if not exactly what will be shipped to a customer. For a broad overview of engineering, see glossary of engineering. An ECR may be a precursor to an ECO. Most mechanical engineers work in manufacturing, research and development, or . The assembly is often done by large and expensive pick and place machines and extensive ovens (for melting the solder between components and the PCB). Came from the era of circa 1890s-1945, when the U.S. And the many standards that it issues, for example, ANSI Z87.1. A PDM system is used to hold mechanical CAD files, including parts and assembly models as well as drawing files. It is often good practice to do as many tests as possible at the FCT level to reduce fallout later in the assembly process. Assembly House: An Assembly House is where a PCB will get assembled. Standards established by the U.S. military and widely used in the, The [U.S.] National Coarse series of pre-1949 corresponds today to the Unified National Coarse (UNC) of the, This abbreviation is used in a machine shop when recording nonconformances (out of tolerance, etc.). 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