The mechanic's tool book. With practical rules and suggestions for use of machinists, iron-workers and others by Harrison William B

Author:Harrison, William B
Language: eng
Format: epub
Tags: Machine-shop practice, Tools
Publisher: New York, D. Van Nostrand
Published: 1868-03-25T05:00:00+00:00

to its length, other means must be applied than the cutting pliers. There are tools made especially for such operations, and in some shops we find they are often in use; but in places where such a tool is seldom wanted the hand pliers are resorted to, though their use is attended with some disadvantage, as they do not work so expeditiously, and do not leave the severed wire with a square-cut end. If there chance to be a pair of shears, such as are used in cutting sheet-metal, they can readily be adapted to cut wire by drilling several holes of different sizes near the pivot on which the blades are hung, but above the lower edge of the upper blade when it is closed upon the lower one. When this upper blade is raised and wire is inserted in one of these holes it is severed by the blade as it descends past the hole in which the wire is held. By making the several holes of different sizes as many sizes of wire can be inserted, and if the larger holes be made near the shear-joint less force will be required to sever the wire than if it were placed more distant.' The use of the shear blades are in no way impaired by this arrangement for cutting sheet-metal.

We have seen an arrangement for wire-cutting attached to a lathe, and it consisted of a narrow blade of steel, made with appropriate cutting edges and bolted transversely across the faceplate of the lathe, and this blade revolved against a plate placed in front of it, and through this plate the wires to be cut were inserted. The distance

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