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In manufacturing, an undercut is a special type of recessed surface that is inaccessible using a straight tool. In turning , it refers to a recess in a diameter generally on the inside diameter of the part.
An example of a turned part with and without an undercut On turned parts an undercut is also known as a neck or "relief groove". They are often used at the end of the threaded portion of a shaft or screw to provide clearance for the cutting tool, and also referred to as thread relief in this context.
A simple example of molding an external undercut In molding , an undercut is an indentation or protrusion in a shape that will prevent its withdrawal from a one-piece mold. Undercuts on molded parts are features that prevent the part from being directly ejected from an injection molding machine .
Undercut created during welding. In welding, undercutting is when the weld reduces the cross-sectional thickness of the base metal. This type of defect reduces the strength of the weld and workpieces.
An isotropic etchant that creates an undercut An anisotropic etchant leaves no undercut Undercuts from etching (microfabrication) are generally an unwanted side effect, [ citation needed ] however are sometimes used as a feature such as in the Niemeyer–Dolan technique . [ 1 ]
Undercut procedure, a procedure for fair allocation of indivisible objects. Undercut (boxing), a type of boxing punch; Undercut, a stunt people film; Undercut (hairstyle), a type of hairstyle; Undercut (manufacturing), a recess that is inaccessible using a straight tool; Undercut (welding), a defect that reduces the strength of a weld
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).
Small Business Financial Manager (SBFM) was an Excel-based tool which allowed users to analyze data and create reports and charts based on a created from user's accounting data from popular accounting packages (i.e. QuickBooks). It was first released in 1996 and bundled with Small Business editions of Office 97 or with every Office 2000 suite ...