Oxy Acetylene Welding Practice a Practical Presentation of the Modern Processes
Oxy Acetylene Welding Practice a Practical Presentation of the Modern Processes
Robert J Robert Joseph Kehl
The book Oxy Acetylene Welding Practice a Practical Presentation of the Modern Processes was written by author Robert J Robert Joseph Kehl Here you can read free online of Oxy Acetylene Welding Practice a Practical Presentation of the Modern Processes book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Oxy Acetylene Welding Practice a Practical Presentation of the Modern Processes a good or bad book?
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The width of this motion is depend- ent upon the size of the material being welded and varies accordingly with the nature of the work. It does not take much experience to establish the proper size motion and the proper rate of advance for the various sizes and kinds of metals. OXY-ACETYLENE WELDING 29 In very heavy work, if the above system were used, a great deal of the motion would be superfluous. Consequently, a movement in which the cone of the flame will describe semi-circles should be use...d, as shown in Fig. 24. This confines the welding zone and concentrates the heat. While the progress is not so fast, it is more thorough than the other system for this class of work. Importance of Movement. To the average beginner the regular control from these motions is difficult. It requires considerable practice and experience to become skilled in this, but it is the regu- larity of these motions that produces the characteristic rippled surface of good welding. The progress of a welder and the quality of his work can be determined to some extent by the skill with which he produces this effect.
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