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MACHINE TOOLS - Quaker Chemical Corporation

MACHINE TOOLS - Quaker Chemical Corporation

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<strong>MACHINE</strong> <strong>TOOLS</strong>Non-traditional machining - The use of chemical, thermal, or electrical processes to machine aworkpiece and remove material. Non-traditional machining includes a wide range of operationsused for special purposes or unique workpieces.Offhand grinding - A form of rough grinding used to remove excess material without regard tosurface finish. The workpiece is generally held in the operator’s hand and placed against a movingabrasive tool.Outer diameter - The outer surface of a cylindrical workpiece or feature.Overarm - The device on a horizontal milling machine that reaches over the workpiece and supportsthe spindle or arbor.Physical vapor deposition - A special process that bombards the surface with coating particles toproduce fine layers of coating. HSS and carbide tools are coated by physical vapor deposition.Pain carbon steel - The basic type of steel, which contains less than 3 percent of elements otherthan iron and carbon.Plain mill - A cutting tool for the milling machine with cutting surfaces on the periphery. It is used tomill flat surfaces.Planer-type milling machine - A very large type of milling machine that often contains numerousmilling heads.Plastic deformation - Metal deformation that is permanent. During metal cutting, plastic deformationresults from the forces that shear the chip from the workpiece surface.Plate stock - A flat piece of raw material that is used to make manufactured parts.Polycrystalline diamond (PCD) - The manufactured formation of diamond that has a hardnessapproaching natural diamond.Profiling - An operation performed on a lathe that feeds a cutting tool along a non-linear path tocreate conical or curved features in a cylindrical workpiece.Race - The track within a bearing that guides the motion of the balls.Radial drill - A drilling machine that can accommodate large workpieces by manoeuvring anoverarm in place over the workpiece.Rake angle - An angle the front of the cutting tool is tilted either forward or backward from itsperpendicular position. Positive rake angles reduce cutting forces and encourage chip removal.quakerchem.com | info@quakerchem.com© 2013 <strong>Quaker</strong> <strong>Chemical</strong> <strong>Corporation</strong>. All rights reserved.

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