Cyclopedia of Modern Shop Practice: A Manual of Shop Practice, Pattern Making, Machine Design...etc, Volume 1Howard Monroe Raymond American Technical Society, 1906 - Machine-shop practice |
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Common terms and phrases
adjustable allow amount annealed arbor attached bath bevel blades blank bored bushing caliper cast iron chips chisel chuck clamped clearance cold chisel cone pulley counterbore countersink cutting edge dead center desired driving eccentric Electrical emery wheel end mill Engineering face plate fastened feed flat flutes form shown forming tool furnace gauge gear grinding grinding machine groove ground hand hardened heat held holder hole ILDEN FOUNDATION inch diameter jaws lathe lathe centers lathe tool lead screw length located mandrel means metal method milling cutter milling machine motor necessary operation piece placed planer position prick punch proper reamed reamer removed right angles roughing shaft shank shape shown in Fig side slot speed spindle spiral square steady rest straight surface taper teeth thermite thread tion tool steel tooth turned twist drill usually Vernier vertical
Popular passages
Page 154 - wash the chips from the work or from the teeth of the cutters. It is generally used in milling a large number of pieces of steel. wrought iron, malleable iron, or tough bronze. Frequently when only a few pieces are to be milled, it is not used, and some
Page 102 - gears for screw-cutting are the number of threads per inch to be cut on the work, the number of threads per inch on the lead screw, and the speed ratio between the spindle and the stud, if a stud is used. The following examples may be taken as applying to either right- or left-hand threads. The change of direction in the
Page 3 - WILLIAM JOHN MACQUORN RANKINE, LL. D., FRSS Civil Engineer; Late Regius Professor of Civil Engineering and Mechanics in University of Glasgow, etc. Author of "Applied Mechanics," "The Steam Engine." "Civil Engineering,
Page 26 - Let two rules be so graduated that the true scale has each inch divided into ten equal parts, and the Vernier scale has ten divisions occupying the same space as nine of the. divisions of the scale. It is evident that one of the divisions on the Vernier is equal to
Page 51 - Drills of cylindrical form are also made with straight flutes as shown in Fig. 63. They are used for drilling soft metals, such as brass, especially when the drill passes entirely through the piece. As it breaks through the metal, a drill with spiral flutes tends to draw itself through rapidly, as if it were a screw workFig.
Page 154 - it should be pumped upon or across the mill when cutting deep grooves, milling several grooves at one time, or, indeed, in milling any work where, if the chips should stick, they might catch between the teeth and sides of the grooves, and scratch or bend the work.
Page 23 - been described more at length than the common forms previously considered. The range of motion of the measuring screw is usually limited to one inch. Various devices give the micrometer caliper a larger range of action. Micrometer calipers may now be purchased in combinations or sets giving a range from zero to twelve inches. The
Page 43 - thumb on top of the handle; for coarse filing, place the ball of the thumb of the left hand on the point of the file ; for fine filing grasp the point of the
Page 40 - bevel of the chisel is the guid ing surface, and is held at a very slight angle with the finished portion of the work, the cutting edge only touching. Raising or lowering the shank of the chisel increases or
Page 14 - In many cases it is necessary to test the relation of lines and surfaces which are not at right angles to each other. For this purpose a bevel is used in which what corresponds to the