Locksmithing.
Topic: Metal cutting.
3 edition.
Metal cutting is called a dazzle-cutting tool, as well as cutting the metal (sheet, strip and profile) into pieces with a cutting tool (chisel, kreutzmeyseli with a hammer).
Cutting off of metal works: removal of excess layers of metal from the surface of the workpiece (chipping of castings, joint seams, cutting edges, for welding), cutting edges and burrs on forged cast billets, cutting metal sheets; cutting a metal hole; cutting of lubricating grooves.
Tools for cutting.
1) the metal chisel consists of three parts: working, middle and shock parts.
2) Krejtsmeyselsky specialization from a chisel with a narrower cutting edge for cutting grooves, cutting through keyways.
3) the metal hammer is used as a percussion tool, they are of two kinds with round and square strikers.
Sharpening, cutting tools, are produced on point-by-point machines. For a point lay ways of movement across all widths.
The sharpened surface of the cutting wedge leads alternately, then one way, then the other, which ensures the uniformity of sharpening and getting the right angle and sharpening the working part of the tool.
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