Knight's Mechanical Encyclopedia, S., Shap′ing-ma-chine′.

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19th-Century American

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Shap′ing-ma-chine′.

1. (Metal-working.) A machine-tool for working in metal. A planingma-chine in which the object is dogged to a table with vertical and horizontal adjustment, or to a mandrel, and the tool above it has a reciprocating motion. See shaper.

2. (Block-making.) The shaping-machine a, Fig. 4917, turns the outside surface to form.

It consists of a large double wheel a a mounted on an axle, and having upon its rims 10 pairs of mandrels, by which 10 blocks are chucked. Of each pair, one mandrel forms a front center and chuck, by which the block is rotated, and the end of the other mandrel forms a back center on which the block turns. When the main wheel is rotated, the blocks revolve, each exposing the outside of one cheek to the action of the cutting-tool b, which traverses a segmental bar c by means of a slide-rest. The cutting-tool is moved by handles d d operated by the attendant.

Shaping-machine.

The outwardly exposed faces of the blocks having been dressed, the machine is stopped, and the whole series of blocks turned one quarter round by means of the central cog-wheel and the pinion connection to each of the mandrels. By resuming the rotation of the large wheel, the newly exposed face is dressed, and by a repetition of the process each of the four sides is brought to shape. Shapes are attached to the segmental guide, which control the form imparted to the faces of the blocks. One shape answers for the edges, and another for the cheeks. One handle keeps the tool to its work; the other has a roller, which runs against the shape and governs the curve.

Grain-drill share.

1877.

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Knight's Mechanical Encyclopedia
Knight, Ed.

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Shap′ing-ma-chine′.

Knight's Mechanical Encyclopedia Knight, Ed.

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Shap′ing-ma-chine′.

Knight's Mechanical Encyclopedia
Knight, Ed.