鏈lian條tiao組zu件jian在zai采cai煤mei麵mian裝zhuang置zhi完wan結jie今jin後hou
，最zui重zhong要yao的de事shi就jiu是shi給gei鏈lian條tiao正zheng確que的de預yu拉la伸shen。如ru果guo沒mei有you預yu拉la伸shen，在zai鏈lian輪lun加jia電dian今jin後hou，會hui給gei鏈lian條tiao施shi加jia了le一yi個ge作zuo業ye拉la伸shen
，鏈lian條tiao會hui以yi彈dan性xing的de辦ban法fa伸shen長chang。換huan句ju話hua說shuo
，當dang拉la伸shen力li撤che除chu今jin後hou
，它ta又you會hui鬆song懈xie回hui來lai。上shang述shu的de彈dan性xing拉la伸shen很hen容rong易yi預yu計ji出chu來lai，應ying該gai大da大da低di於yu造zao成cheng鏈lian條tiao永yong久jiu損sun壞huai的de負fu荷he。但dan是shi，如ru果guo鏈lian條tiao沒mei有you預yu拉la伸shen，在zai主zhu電dian機ji驅qu動dong鏈lian輪lun今jin後hou就jiu會hui產chan生sheng一yi個ge過guo量liang拉la伸shen，這zhe會hui導dao致zhi鏈lian條tiao鬆song懈xie或huo單dan個ge鏈lian環huan呈cheng現xian“折刀”（打折成死彎）或“傑出”現象。