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Lapping. Lapping machine. Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine. Lapping often follows other subtractive processes with more aggressive material removal as a first step, such as milling and/or grinding. Lapping can take two forms.
The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the centre (A), to the lapping type (B) of a bee, the siphoning type (C) of a butterfly and the sucking type (D) of a female mosquito. Legend: a, antennae; c, compound eye; lb, labium; lr, labrum; md, mandibles; mx, maxillae; hp hypopharynx.
Hobbing is a machining process for gear cutting, cutting splines, and cutting sprockets using a hobbing machine, a specialized milling machine.The teeth or splines of the gear are progressively cut into the material (such as a flat, cylindrical piece of metal or thermoset plastic) by a series of cuts made by a cutting tool called a hob.
Gear manufacturing refers to the making of gears. Gears can be manufactured by a variety of processes, including casting, forging, extrusion, powder metallurgy, and blanking. As a general rule, however, machining is applied to achieve the final dimensions, shape and surface finish in the gear. The initial operations that produce a semifinishing ...
Gear cutting is any machining process for creating a gear. The most common gear-cutting processes include hobbing, broaching, milling, grinding, and skiving. Such cutting operations may occur either after or instead of forming processes such as forging, extruding, investment casting, or sand casting. Gears are commonly made from metal, plastic ...
In lapping the dust is removed to create a flat sheet or lap of fibres; Carding itself is the combing of the tangled lap into a thick rope or sliver of 1/2 inch in diameter, it can then be optionally combed, is used to remove the shorter fibres, creating a stronger yarn. A combing machine. In drawing a drawing frame combines 4 slivers into one.
Abrasive flow machining. Abrasive flow machining (AFM), also known as abrasive flow deburring[1] or extrude honing, [2] is an interior surface finishing process characterized by flowing an abrasive -laden fluid through a workpiece. [1][3][2] This fluid is typically very viscous, having the consistency of putty, [2][3] or dough. [1]
Electrochemical grinding is a process that removes electrically conductive material by grinding with a negatively charged abrasive grinding wheel, an electrolyte fluid, and a positively charged workpiece. [1] Materials removed from the workpiece stay in the electrolyte fluid. Electrochemical grinding is similar to electrochemical machining but ...
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