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→Jim on Color Codes and Fusing
Jim and I talked while he was working on getting the ferrules back in the splicing unit.
Jim and I talked while he was working on getting the ferrules back in the splicing unit.
I said I thought if I fused rough cut fibers strong enough, I would definitely fuse polished fibers strong enough since the polished fibers have much better contact than rough cut ones. But Jim said the rough cut ones with their rough surface might absorb more light and heat up more than polished fibers. The light might be more likely to shine through polished fibers and not heat them as much. We don't know for sure, so it is best to polish the scrap fibers before fusing and weight testing them.
Jim also explained that the ferrules crack if they are slammed together during fusing. When we fuse we need to hold the top ferrule down against the bottom one before pressing the start button that would slam them together.
He explained how he glues the ferrules onto the appropriate parts of the splicing unit. He wraps string around them and includes the most turns at the ends of the ferrules. There is also a higher number of turns in the middle of the ferrules, but not as many as at the ends. He puts heat shrink over the coils at the ends and cuts it away after both ferrules are glued on.
The top ferrule needs to be glued when the part is out of the splicing unit because if it were left in the glue would drip down and cement the ferrules together. Even when applying the glue for the bottom ferrule, you need to be careful not to allow it to creep up and attach the two ferrules to each other.