Page 59 - Wire Rope News & Sling Technology
P. 59

continued  from  page  10
 right  off  the  bat  not  to  do  that.  I  just
 he has kept to this day, which has
 played the game. I ate, drank, and
 allowed him to become a successful
 partied  when  the  hosts  suggested  it.  I
 importer from the very start of his
 never  said  no.  I  was  astute  with  chop
 business. He typically drop ships
 stick,  learned  how  to  toast  directly,  and
 container  loads  to those  suppliers  in
 acted  with  all  the  proper  manners. I
 North  America  and  Europe  who  don’t
 made  a  point  to  learn  all  these  things.
 have these contacts which Cushman
 My hosts often said I must have an
 has  built  up  over  the  years.
 oriental wife. For this reason I was
 Is becoming a successful importer
 accepted much quicker  than I  might
 simply  a  matter  of  traveling  to  a  foreign
 have  been  otherwise.”
 company  and  placing  an  order?  Hardly.
 In  a  typical  day  one  supplier  would
 To get good deals and build loyalty
 take  him  to  breakfast  and  then  on  a
 takes  not  only  business  savvy  but  also
 factory  tour.  Then  he  would  be  handed
 considerable cultural acumen.
 off to another supplier and go on
 Cushman  got  his  start  in  learning  how
 another  tour.  Back  at  the  hotel  he  had  a
 to  relate  to  businessmen  from  different
 half  hour  to  clean  up  and  then  it  was  off
 cultures when they would visit this
 to  a  dinner  and  party  which  would  last
 country  and  he  would  meet  them  in  the
 until  midnight.  Cushman  traveled  for
 hope  of  picking  up  new  vendors.  “We
 about 12 years. Normally he would
 would  hang  out  together  and  we  would
 embark  every  nine  months  for  two  to
 always go out in the evening,”
 three  weeks.  “The  hardest  was  when  I
 Cushman  recalls.  “I  soon  learned  that
 had  23  flights  in  22  days,”he  recalls.
 Koreans, Chinese, and others from
 Cushman had many interesting
 oriental  countries  did  not  like  steak  or
 experiences on his travels. “My first
 hamburgers.  I  would  take  them  to  the
 experience  in  mainland  China  in  the
                           company’s  116'  long  test  bed.
 best ethnic restaurant representing
 1980s  was  like  going  back  200  years,  he
 their  culture.  I  still  do  that  today.”
                           world for two weeks. No one knew
 recalls.  “There  was  no  infrastructure,
 When Cushman began visiting
                           where  I  was. My family was  a  little
 no  transportation  systems,  and  limited
 foreign countries, he knew how to
                           concerned.  My  wife  said  never  do  that
 accomodations.  On  my  second  trip  to
 behave.  “A  lot  of  people  don’t  believe  in
                                          continued  on  page  16
 China  I  was  cut  off  from  the  outside
 mixing  in  and  think  it’s  best  to  remain   a  little  aloof,”  Cushman  says.  “I  learned   1-3/4"  boom  pendants  being  tested  on  the
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         measured in the industry in ton-miles. The liner thus forms   discs.  A single-piece  ring-shaped liner  or  insert  may form
 12                  Wire  Rope  News  &  Sling  Technology          August  2006
         a replaceable wear piece of the overall cable guide, and the   the  replaceable  wear  piece  14’,  in  which  case  the  sheave
         sheave forms a base for carrying the liner and defining the   is assembled by removing one of the discs 20 from off the
         pathway of the drill line.                           shafts 22, for example at an end of these shafts that is either
           Figure  5  shows  a  second  embodiment  that  again  uses  a   unsupported for supported in a releasable manner freeing
         rotationally-fixed  sheave-like  construction,  but  forms  the   up these ends of the shafts. The ring-shaped liner 14’ is slid
         sheave from the assembly of two disc-like halves 20 bolted to-  onto the shafts over the free ends thereof, and the two discs
         gether. At least one of the two discs has an inner portion 20a   20 are then slid toward one another from opposing sides of
         of reduced-diameter circularly-cylindrical form compared to a   the liner. The inner diameter of the ring-shaped liner fits
         larger outer portion 20b of circular plate-like form forming an   around the reduced-diameter inner portion of any disc in-
         outer face of the assembled sheave, whereby the peripheral   cluding such a portion, whereafter abutment and fastening
         surface of the cylindrical inner portion(s) 20a of the disc(s)   together of the discs will secure the liner in place between
         forms the peripheral groove of the sheave when the two   their larger diameter outer portions.
         halves are abutted together at their inner faces, and bolted   In another embodiment, the liner may be provided in two
         or otherwise releasably fastened in this assembled condition.  pieces, each substantially spanning a respective 180-degrees,
           The disc-shaped halves 20 may be slidably disposed on a   and fastened to one another, or to the sheave, from opposite
         rail or track, for example as defined by two or more parallel   sides of the sheave’s circumference. Other embodiments may
         shafts 22 or rods running in the axial direction of the round   even employ more than two-pieces to form the liner, each
                                                              spanning a respective segment of the sheave’s circumference.
                                                              In such multi-piece liner embodiments, the sheave slidable on
                                                              the shafts 22 may be of a one-piece structure.
                                                               Regarding of its makeup, the slidability of the sheave along
                                                              the shafts provides rig personnel an ability to easily displace
                                                              the sheave into and out of a useful position in residing in
                                                              alignment with the draw-works. The shafts  22 run paral-
                                                              lel to the rotational axis of the hoisting drum of the draw-
                                                              works, whereby the sliding direction of the sheave is parallel
                                                              to the draw-works axis. Accordingly, the sheave can be slid
                                                              into a deployed position lying axially between the ends of the
                                                              draw-works hoisting drum when it’s time to perform a slip
                                                              and cut operation, and then after the operation is complete
         Figure 6: Exploded perspective view of a third embodiment cable guide.                continued on next page
                                                              Wire Rope News & Sling Technology   October 2017  59
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