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Unit 15 PowerPoint Presentation

Unit 15

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Unit 15

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  1. Fillet Welds Unit 15

  2. Objectives • Name the parts of a fillet weld. • Determine weld size and weld length by interpreting the fillet welding symbol. • Read and interpret a fillet welding symbol used for intermittent and staggered intermittent welds. • Determine the weld face contour of a fillet weld.

  3. Fillet Weld • Approximately triangular • Actual throat • Shortest distance between weld root and face of weld • Affects strength of weld

  4. Parts of a Fillet Weld

  5. Dimensions for Fillet Symbol • Dimension for arrow side fillet on arrow side of reference line • Weld size • Shown to left of weld symbol • Specified dimension is minimum size unless otherwise noted

  6. Fillet Weld with Unequal Legs

  7. Weld Length • Shown to right of weld symbol • Weld-all-around symbol • For all geometric shapes • Round parts • Length may be given in degrees

  8. Weld Length Given in Degrees

  9. Hatching • Shows extent and location of fillet weld • Additional arrows used for abrupt changes in weld direction

  10. Intermittent Fillet Welds • Intermittent weld • Broken by unwelded spaces • Pitch • Distance between centers of increments on one side of joint • Shown to right of length dimension • Staggered intermittent weld • Weld increments staggered on both sides of joint

  11. Intermittent Fillet Weld with Symbol

  12. Staggered Intermittent Fillet Weld with Symbol

  13. Fillet Welds in Holes or Slots

  14. Fillet Weld Contours • Specified when specific welded shape is desired • Flat • Concave • Convex • Indicated by contour symbol

  15. Combination Weld Symbols • Other types of welds can be used with fillet welds • Fillet symbol and other weld symbol included on welding symbol

  16. Example of Combination Weld Symbol