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A mandrel, mandril, or arbor is a tapered tool against which material can be forged, pressed, stretched or shaped (e.g., a ring mandrel - also called a triblet [1] - used by jewellers to increase the diameter of a wedding ring), or a flanged or tapered or threaded bar that grips a workpiece to be machined in a lathe.
Oscar rivet shown with mandrel (dashed lines depict flare/flange after installation) Oscar rivets are similar to blind rivets in appearance and installation but have splits (typically three) along the hollow shaft. These splits cause the shaft to fold and flare out (similar to the wings on a toggle bolt's nut) as the mandrel is drawn into the ...
In oil drilling, a casing head [1] is a simple metal flange welded or screwed onto the top of the conductor pipe (also known as drive-pipe) or the casing and forms part of the wellhead system for the well.
The tool used to flare tubing consists of a die that grips the tube, and either a mandrel or rolling cone is forced into the end of the tube to form the flare by cold working. The most common flare fitting standards in use today are the 45° SAE flare [2] [3],the 37° JIC flare, and the 37° AN flare.
The foreground shows the mandrel for the base. Behind the finished vase are the spinning tools used to shape the metal. Metal spinning , also known as spin forming or spinning or metal turning most commonly, is a metalworking process by which a disc or tube of metal is rotated at high speed and formed into an axially symmetric part. [ 1 ]
The flexibility is also used to provide accurate axial location. An HSK toolholder has both a tapered shank, and a flange with a mating surface. The shank is short (about half as long as other machine tapers), with a shallow taper, the shank is 1:9.98 and the receiver is 1:10, [15] and slightly too large to allow the flange to seat fully in the ...