A Treatise on Lathes and Turning: Simple, Mechanical and OrnamentalLongmans, Green and Company, 1876 - 316 páginas A Treatise on Lathes and Turning, Simple, Mechanical and Ornamental by W. Northcott Henry, first published in 1876, is a rare manuscript, the original residing in one of the great libraries of the world. This book is a reproduction of that original, which has been scanned and cleaned by state-of-the-art publishing tools for better readability and enhanced appreciation. Restoration Editors' mission is to bring long out of print manuscripts back to life. Some smudges, annotations or unclear text may still exist, due to permanent damage to the original work. We believe the literary significance of the text justifies offering this reproduction, allowing a new generation to appreciate it. |
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Página 3
... cutting action , frequently led to the edge of the tool being knocked off , and was otherwise a great imperfection . Continuous action would be obtained from a separate driving wheel , and the use of a crank and fly - wheel worked by a ...
... cutting action , frequently led to the edge of the tool being knocked off , and was otherwise a great imperfection . Continuous action would be obtained from a separate driving wheel , and the use of a crank and fly - wheel worked by a ...
Página 25
... cutting produces a plane surface . ' Burr , ' ' fash , ' and ' raw - edge , ' are generally used to denote the edge or angle of junction of two cuts , at right angles , or less than right angles , to each other . Such edges are usually ...
... cutting produces a plane surface . ' Burr , ' ' fash , ' and ' raw - edge , ' are generally used to denote the edge or angle of junction of two cuts , at right angles , or less than right angles , to each other . Such edges are usually ...
Página 44
... cutting edge being formed of two straight surfaces , or one straight and the other con- cave , as it should be , it is ground with convex surfaces , FIG . 48 . FIG . 49. FIG . 50 . or surfaces formed of such a collection of curves that ...
... cutting edge being formed of two straight surfaces , or one straight and the other con- cave , as it should be , it is ground with convex surfaces , FIG . 48 . FIG . 49. FIG . 50 . or surfaces formed of such a collection of curves that ...
Página 50
... edge becomes of a blue colour , which indicates that its temper is reduced , and its cut- ting power is damaged . We judge from this that the motion is too rapid , and we reduce it accordingly . If the tool be applied intermittently ...
... edge becomes of a blue colour , which indicates that its temper is reduced , and its cut- ting power is damaged . We judge from this that the motion is too rapid , and we reduce it accordingly . If the tool be applied intermittently ...
Página 55
... cutting edge , and the right upon the end of the handle farthest from the edge . The cutting end is then placed on the rest , and inclined upwards , something like Fig . 51. The left hand is pressed down upon the tool so as to keep it ...
... cutting edge , and the right upon the end of the handle farthest from the edge . The cutting end is then placed on the rest , and inclined upwards , something like Fig . 51. The left hand is pressed down upon the tool so as to keep it ...
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A Treatise on Lathes and Turning: Simple, Mechanical and Ornamental W. Henry Northcott Sin vista previa disponible - 2017 |
Términos y frases comunes
adjusted allow amateur angle angular annealed applied bolts brass callipers carrier cast iron cause centre punch change-wheels chasing tool chisel circular cone convenient cranked Crown 8vo curved cutter cutting edge cylinder diameter drill driving eccentric Edition ellipse emery epicyclic face-plate fastened figure finished gear geometric chuck groove hand hand-tools handle hard wood headstock held hole inch instrument ivory lathe carrier lathe-bed lathe-centres lathe-spindle leading screw leading-screw length line of centres mandril end manner metal moving operator ordinary ornamental ornamental lathe ornamental turning piece of wood pitch plate polishing position produced pulley Radius removed rest revolving rotation rough round S. R. GARDINER saddle screw thread screw-cutting self-acting shaft shape shavings shown at Fig slide slide-rest slot smooth socket soft woods sort speed spindle spiral steel surface teeth thread traverse treadle turned turner usually vols wheel whilst Woodcuts workman wrought iron
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