Ipayipi lensimbi yomthungo oqondile eqhubekayo inqubo yokugoqa, inqubo yokugoqa eqhubekayo isetshenziswa ekugoqeni okuqhubekayo kanye nenqubo yokunciphisa ububanzi bepayipi lensimbi.Ukugingqika kwepayipi lensimbi eliqhubekayo kuyinqubo lapho ipayipi lensimbi ne-core rod zihamba ndawonye ngezitendi eziningi.I-deformation kanye nokunyakaza kwepayipi yensimbi kuthinteka kanyekanye nge-roll kanye nenduku yomgogodla.

I-mandrel ingaba khulula-ezintantayo, okungukuthi, iqhutshwa metal ukuya phambili;kungase futhi kunqunyelwe, okungukuthi, ukunikeza i-mandrel isivinini sokunyakaza ukukhawulela ukunyakaza kwayo mahhala.Ngesikhathi sokunyakaza, i-mandrel, roll kanye nepayipi yensimbi ixhunywe ngokuphelele, futhi noma yiziphi izinguquko kusixhumanisi zizobangela ukuthi isimo salo lonke uhlelo lushintshe.Ithiyori yokugingqa okuqhubekayo iwukufunda ubudlelwano phakathi kwabo.