Lub tshuab xaws ua tiav kev xaws los ntawm kev sib koom ua ke ntawm nws cov khoom siv tshuab. Cov khoom tseem ceeb muaj xws li rab koob thiab rab koob (0.5-1.2mm lub qhov taub), lub shuttle (800-}1200 rpm), thiab pub dev (1.5-3mm suab), ua tiav cov ntaub npuag siab. Cov txheej txheem tsim stitch muaj peb theem: tho, hooking cov xov, thiab zawm. Ib lub voj voog ib zaug tsuas yog siv 0.02-0.05 vib nas this, txhawb nqa kev xaws ceev. Cov tshuab xaws niaj hnub siv servo lub cev muaj zog nrog qhov nrawm ntawm 50-5000 rpm, qhov tseeb ntawm ± 0.1mm, thiab txhawb nqa txoj haujlwm plooj thiab cov haujlwm tshwj xeeb xws li tsis siv neeg xov trimming (lub sijhawm teb<0.3 seconds).
