<ul><li>By this coalescence is achieved by frictional heat combined with pressure  </li></ul><ul><li>When properly carried...
<ul><li>Parts are joined by a linear reciprocating motion </li></ul><ul><li>Parts do not have to be circular or tubular </...
AWS Welding Handbook Linear Reciprocating Friction Welding
<ul><li>Figure 31.28  Friction welding (FRW): (1) rotating part, no contact; (2) parts brought into contact to generate fr...
 
 
<ul><li>Applications: </li></ul><ul><li>Shafts and tubular parts </li></ul><ul><li>Industries: automotive, aircraft, farm ...
 
Friction Welded Automotive Halfshaft  Friction Welded Joint Applications Courtesy AWS handbook
Aluminum to Steel Friction Weld Dissimilar Metals – Friction Welded
 
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Zahid bashir soomro friction welding 08 me138

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  • The friction welding process is a solid state welding process where heat is imparted to the work pieces by mechanical means via the frictional rubbing of the mutual pieces together under a load and accompanied by deformation of the parts.
  • Zahid bashir soomro friction welding 08 me138

    1. 4. <ul><li>By this coalescence is achieved by frictional heat combined with pressure </li></ul><ul><li>When properly carried out, no melting occurs at faying surfaces </li></ul><ul><li>No filler metal, flux, or shielding gases normally used </li></ul><ul><li>Process yields a narrow HAZ </li></ul><ul><li>Can be used to join dissimilar metals </li></ul><ul><li>Widely used commercial process, amenable to automation and mass production </li></ul>
    2. 5. <ul><li>Parts are joined by a linear reciprocating motion </li></ul><ul><li>Parts do not have to be circular or tubular </li></ul><ul><li>In this application, one part is moved across the face of the other part using a balanced reciprocating mechanism </li></ul>
    3. 6. AWS Welding Handbook Linear Reciprocating Friction Welding
    4. 7. <ul><li>Figure 31.28 Friction welding (FRW): (1) rotating part, no contact; (2) parts brought into contact to generate friction heat; (3) rotation stopped and axial pressure applied; and (4) weld created. </li></ul>Friction Welding
    5. 10. <ul><li>Applications: </li></ul><ul><li>Shafts and tubular parts </li></ul><ul><li>Industries: automotive, aircraft, farm equipment, petroleum and natural gas </li></ul><ul><li>Limitations: </li></ul><ul><li>At least one of the parts must be rotational </li></ul><ul><li>Flash must usually be removed </li></ul><ul><li>Upsetting reduces the part lengths (which must be taken into consideration in product design) </li></ul>
    6. 12. Friction Welded Automotive Halfshaft Friction Welded Joint Applications Courtesy AWS handbook
    7. 13. Aluminum to Steel Friction Weld Dissimilar Metals – Friction Welded

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