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b48 + b44 Tutorial – Thread tension, stitch optimisation overlock (5/15)

October 9, 2019


b48 + b44 Tutorial – Thread tension, stitch optimisation overlock (5/15) Test sew using default settings Sew and evaluate the stitch for looks and function Fabric, needle, thread, stitch length, and differential feed influence the stitch To have the threads loosely interlock… … always decrease tension first before tightening 4-Thread Overlock, 3-Thread Overlock, 3-Thread Narrow Seam Left needle thread too loose? Decrease the lower looper tension… … or increase the left needle thread tension Looper threads do not meet at cutting edge? Decrease tension of tighter thread first… … before increasing the other thread tension Right needle thread too loose? Increase thread tension Tip: for more elasticity of the stitch, shorten stitch length 3-Thread Rolled Hem Right needle thread too loose? Decrease upper looper thread tension… … or decrease lower looper thread tension… … or increase right needle thread tension Upper looper thread too tight? Decrease upper looper thread tension Upper looper thread too loose? Decrease lower looper thread tension… … or increase upper looper thread tension Tip: when the seam puckers… … decrease needle thread tension and lower looper thread tension… … or set differential feed between 0.6 and 1 3-Thread Flatlock Looper threads meet on the underside? Decrease needle thread tension… … or increase upper looper thread tension… … or increase lower looper thread tension Looper threads meet on the upperside? Decrease upper looper thread tension… … or increase lower looper thread tension… … or increase the needle thread tension Seam puckering? Decrease lower looper tension Tip: the lower looper thread shall form a nearly straight line, slight wave For more information refer to the instruction manual

5 Comments

  • Reply Alex Zh October 18, 2017 at 4:24 pm

    влияние натяжения нитей на шов

  • Reply Teti P September 30, 2018 at 6:47 am

    Рекламу делают люди, которые не покупают))) Захочу послушать музыку – поставлю диск с любимой группой, а тут хочу услышать и увидеть как работает машина!

  • Reply Снежана снежа November 13, 2018 at 8:54 pm

    Помогите с настройкой натяжение нитей. Ткань трикотаж (Джерси), петельки за ткань вылезают, как веер получается и конечно при растяжении ткани шов тянется и швы на ружу с лицевой стороны.

  • Reply annmol sabu muringampurath February 16, 2019 at 8:04 am

    Good information

  • Reply Sue Smith March 15, 2019 at 3:27 pm

    B48 chain stitch

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