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A fishplate, splice bar or joint bar is a metal or composites connecting plate used to bolt the ends of two rails into a continuous track. The name is derived from fish , [ 1 ] a wooden reinforcement of a "built-up" ship's mast that helped round out its desired profile. [ 2 ]
A 5-degree shear angle decreases the force by about 20% [citation needed]. The amount of energy used is still the same. The amount of energy used is still the same. The moving blade may also be inclined 0.5 to 2.5°, called the rake angle , to keep the material from becoming wedged between the blades.
A bar is characterised by an "enclosed invariant convex cross-section", meaning that pipes, angle stock and objects with varying diameter are not considered bar stock. Bar stock is commonly processed by a sequence of sawing , turning , milling , drilling and grinding to produce a final product, often vastly different from the original stock.
Angle (L-shaped cross-section) Structural channel, or {C-beam, or 'C' cross-section; Tee (T-shaped cross-section) Rail profile (asymmetrical Ɪ-beam) Railway rail; Vignoles rail; Flanged R rail; Grooved rail; Bar, a long piece with a rectangular cross section, but not so wide so as to be called a sheet.
A stretcher bar is used to construct a wooden stretcher used by artists to mount their canvases. They are traditionally a wooden framework support [ 1 ] on which an artist fastens a piece of canvas.