. Locomotive engineering : a practical journal of railway motive power and rolling stock . bend of theback, and also of the curve at each or bend the pattern to the shape ofthe long template, and wrinkle the twoedges regularly the length of the bend,then take it to a hollowing block, Fig. a suitable hollow in it, and proceedto hollow the back evenly until it has has been obtained, smooth and planish. and proceed with the saddle. Fig. 175. First bend a mre template to the curve of the throftt. A C. Fig. 171. Now bend the saddle pattern. Fig, 175. lengthway a third than the te
. Locomotive engineering : a practical journal of railway motive power and rolling stock . bend of theback, and also of the curve at each or bend the pattern to the shape ofthe long template, and wrinkle the twoedges regularly the length of the bend,then take it to a hollowing block, Fig. a suitable hollow in it, and proceedto hollow the back evenly until it has has been obtained, smooth and planish. and proceed with the saddle. Fig. 175. First bend a mre template to the curve of the throftt. A C. Fig. 171. Now bend the saddle pattern. Fig, 175. lengthway a third than the template, lake it to anvil, Fig. 4, and with a razing hara- ;r, Fig, 33. raze down the outside edges the saddle ; then work in a course from course along the edge Continue process until the curves conform to the plates, then proceed with the sides as 3WS. Bend each side a sixth smaller working Fig. 28. turning one to the right,ihu other to the left, then turn the throatedge in a course on an anvil or suitablemandrel to begin the forming, then turnthe outer edge up a course and wrinkle at. as shown by the dotted tines, and the pat-tern for the back is complete. Second—The pattern for the sn ; Continue i dotted line bb. Fig. 171. and at right gles to it draw a e Fig. 174. From the ■, layoff c a and c a. making one-fourth of a twenty-four : From the point e, . radius e a equal to inches, de- the arc / fl, making it equal to 57 5 from 17 toy. From the point ^ on /, continued with a radius ^y equal to -3.; mches (or live times the length of f a) 4 25 degrees. Erect on ^ /t the tangent^ n, making A n equal to inches, anddraw « o parallel to A /. Now make « 0equal or one-fourth theference of a twelve-inch circle, and divide« equal in X, and erect the perpendicular■r u. Now lay off on a a the distance a 1/equal to 13,30 (that is. or—a rf —multiplied by 2 then by 3 and divide Layoff r/> equal to four inchesand complete the p
Size: 1593px × 1568px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookidlocomotiveen, bookyear1892