Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Fay5 Molding Machine. Diagram of Cutters for Molding. appear ; the upper head and the side cutters, on ver-tical spindles, are shown. The latter are driven bycrossed belts. Fig. 3-199 is a dia-gram showing the ar-rangement of cuttersand their relative [lo-sition to make under-cut picture- frame mold-ing, with rabbet forthe glass and will be seen that
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Fay5 Molding Machine. Diagram of Cutters for Molding. appear ; the upper head and the side cutters, on ver-tical spindles, are shown. The latter are driven bycrossed belts. Fig. 3-199 is a dia-gram showing the ar-rangement of cuttersand their relative [lo-sition to make under-cut picture- frame mold-ing, with rabbet forthe glass and will be seen that ofthe side cutter-headsone has three knivesand the other two ;the upjier head hastwo knives. Another type (;/(fjf and inoMivgrhine is shown at1 ij,. 3200. A broadtable rests upon aniron frame at the usualhight of a carpentersbench, and rising fromthe surface near one MOLDING-MACHINE. 1468 MOLDING-MACHINE. end are the lieails of two vertical spindles or shafts,wliieh project but a few inches. In the heads areplaning-irons, sliaped lo suit the work reipiired, andtlie heads form a guide or gage to the pattern towhich tlie material to be dressed is temporarily at-tached by a few metallic points. The pattern being Fig. Variety Planing and Molding Machine. carried and against the heads while rotating,the miterial upon it is phmed and molded to the shapeof the pattern and knives used. By the graduationof the knives, tile machine may be adapted to workof any si^e, making the heads even from one lialf ofan incli to four incdies in diameter ; so that the ma-cliine be used in doing delicate irregular wood-work. It is now used in planing the wood handles tohair-biushes, and also iu dressing plow-beams andthe knees of ships. The engraving represents upon the table-top oftlie machine a guide, connected with which is afcid-roU, which receives power to move it from thepullcvs beneath the table, and when attached com-pletes the machine for doing straight as well as ir-ivg
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering