The difference
1. Different needles
A sewing machine works with one needle at the same time, while an overlock machine works with three needles at the same time.
2. Different precision requirements
The overlock sewing machine has much higher requirements on the accuracy of the parts than the sewing machine, and the overlock sewing machine adopts the principle of looper hooking.
3. Different costs
Overlock sewing machine has many parts and high production cost.
4. Different principles and functions
Overlock sewing machine is actually a seaming machine, mainly used for seaming, divided into three-thread, four-thread, and five-thread. The third thread is mainly used for hemming, the fourth thread is used for knitting, and the fifth thread is used for clothing. Household sewing machines are mainly used for straight seams!
