Page 67 - Wire Rope News & Sling Technology - February 2020
P. 67

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         15 comprises a cylindrical section 8 of length 1, the diameter   part of the wire rope 4 formed by the inner strands 5; the
         d of which is approximately the same as the diameter of the   lateral surface of this cylindrical section is provided with a
                                                              thread 10. Between the cylindrical section 8 and a connect-
                                                              ing member 9, which is provided with an opening 7 to accept
                                                              a carabineer or the like, the connecting element 2 comprises
                                                              a collar 12, which has a diameter somewhat larger than that
                                                              of the cylindrical section 8.
                                                               The sleeve 3, which has a length L, is provided with an
                                                              inside diameter D, which is slightly larger than that of the
                                                              cylindrical section 8, so that it can be pushed onto the sec-
                                                              tion 8 with a small amount of play. At its edge 13, the sleeve
                                                              3 is provided externally with a bevel 11. As can be seen espe-
                                                              cially clearly in the cross-sectional diagram of figure 16, the
                                                              outer strands 6 of the wire rope 4 have been removed from
                                                              the wire rope 4 in a terminal section of the wire rope 4, i.e.,
                                                              the section of the wire rope 4 which is arranged in the sleeve
                                                              3, so that the wire rope 4 is seated only by its inner strands
                                                              5 in the sleeve 3.
                                                               To produce the wire rope assembly unit shown in figure
                                                              14, first the outer strands 6 are cut off at one end of the
                                                              wire rope  4  over  a  length  of  x=L-1.  Then  the  sleeve  3 is
                                                              pushed onto the inner strands 5 of the wire rope 4 until its
                                                              edge 13, on which the bevel 11 is provided, comes to rest
                                                              against the ends of the outer strands 6. Then the connect-
                                                              ing element 2 is pushed into the sleeve 3, so that its cylin-
                                                              drical section 8 is seated on the ends of the inner strands
                                                              5 and the bottom surface of its collar 12 rests on the other
                                                              edge of the sleeve 3.
                                                               Then the sleeve 3 is pressed onto the connecting member
                                                              2 and onto the inner strands 5 of the wire rope 4 by a press-
         Figure 16: Various views of a means for producing the wire rope   ing tool, wherein the inside surface of the sleeve 3 at the
         assembly unit.                                                                        continued on next page
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