Metal Fabrication

The process of manufacturing metal components iscompressive force that is applied to a ram. The
generally called metal fabrication. Metal fabricationextruded piece that emerges has the desired shape.
processes may be classified as cold, warm, and hotIn general, extrusion is used to produce cylindrical
working depending on the temperature at which thebars or hollow tubes, but shapes of irregular cross
material is processed. At eMachineShop, many thingssections may be produced from the more readily
are transformed by metal fabrication processes, suchextrudable metals, such as Aluminum.
as bending, milling, cutting, punching, drilling, turning,• Drawing : Drawing is the pulling of a metal
grinding and threading. Metal parts made range frompiece through a die having a tapered bore by means
small parts the size of paper clips and even smallerof a tensile force that is applied on the exit side. Rod,
using photochemical milling, to large industrial partswire and tubing products are commonly fabricated by
constructed using large CNC milling and turningdrawing.
machines.eMachineShop uses a wide range of metalThere are several methods of metal removing such
fabricating machinery and machining processes onlineas metal cutting, abrasive processes and
to meet virtually all client metal fabrication needs.non-conventional metal removing processes. Sawing,
fabricationcan be broadly divided into forming,for instance, is a type of cutting in which the cutting
removal and non-conventional, which is further subtool is a blade that has a series of small teeth, with
divided into several categories.each tooth removing a small amount of material.
• Forging : Forging involves forming workShearing on the other hand is a metal cutting process
pieces by compressive force at high heat. Parts suchthrough which flat surfaces and various
as crankshafts, connecting rods, gears and bolt headscross-sections with grooves and notches are
can be made by forging.produced.
• Rolling : Rolling is a process of reducing theFace milling and end milling are some of the types of
thickness of a long work piece by compressivecutting used. Grinding - on the other hand -- is a chip
forces using a set of rolls. Plates used for Machineremoval process in which the cutting tool is an
structures, vessels and sheets used for automobileabrasive grain wheel. The different types of grinding
and aircraft bodies, appliances and furniture areprocesses are surface grinding, cylindrical grinding,
created by rolling. Rolled stock is often cut usinginternal grinding and centerless grinding. For extremely
water jet or laser cutters.thin material, photochemical milling may be used. In
• Extrusion : During extrusion round billetsthis process, a caustic chemical etches away
are forced through one or more dies by aundesired material.