Machine Tools and Workshop Practice for Engineering Students and Apprentices by Alfred Parr

Author:Alfred Parr
Language: eng
Format: epub, pdf
Publisher: Longmans, Green, and co.
Published: 1905-03-25T05:00:00+00:00

Fig. 270H.—" Formed " culler. Fig. 271

machine table and milled at different facings with the above type ot cutter, which could not be treated by a " mill" carried by an arbor. There are three kinds of teeth (a), {!>), and {c), for milling on cast iron, wrought iron, or mild steel, and brass respectively (Fig. 274).

Figs. 276, 277 give in outline a tap and reamer as cut by milling

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MILLING MACHINES.

Fig. 273. — Gear cutter wotn 01

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Fig. 274.—Plain slab milling cutler. Fig. 275.—End mill.

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246 MACHINE TOOLS AND WORKSHOP PRACTICE.

cutters. Figs. 278, 279 are metal slitting saws, one of which is shown at work in Fig, 280.

Diameter of Mills. —It is well to have mills or cutters as small in

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