How to choose a sewing machine according to different sewing processes(1)?

Common sewing processes include lock-stitch sewing, chain sewing, overlock sewing and interlock sewing. Special sewing processes include Reinforcing (looping) sewing, button sewing, keyhole sewing, and embroidery sewing.

The flat sewing process is the most basic sewing process, which can complete the sewing function of sewing materials.Lock-type stitching made of sewing material is featured by its easy spread, good safety and small flexibility. The sewing materials used in shuttle weaving process are various types of sewing machines. According to the process requirements of sewing products, different types of sewing machines can be selected for different workbenches, such as flat sewing machines (most basic flat sewing machines, sewing machines for flat sewing materials), cylinder sewing machines (sewing machines for circular arc sewing materials), vertical sewing machines (sewing machines for special shapes such as small circular arcs, etc.).

Lockstitch Sewing Machines with different feeding methods can be selected according to sewing fabrics, such as upper and lower feeding level sewing machines, upper and lower differential feeding level sewing machines, lower differential feeding level sewing machines and needle feeding level sewing machines. According to the number of sewing stitches, a double-needle flat sewing machine with double-needle sewing can be selected.different sewing processes and different types of flat sewing machines are selected. Only when proper flat sewing machines are selected, can satisfactory sewing results be achieved.

Chain sewing is a common sewing process. Because of the stretching property of chain stitches, it is often the main type of sewing machine used for knitted fabric sewing.Also, since the bottom line of a sewing machine can be supplied continuously as the top line, it is often the type used for sewing shuttle fabrics.It is also the main type of sewing machine for sewing packaging bags due to its easy disassembly of single-thread and double-thread chain tracks. Therefore, chain sewing is a common type in many sewing processes according to the requirements of sewing process.

The overlock sewing process is a common sewing process. It is a special form of chain stitch and has the function of wrapping the edge of the cutting piece after the sewing material is cut.as the overlock sewing machine has a variety of derivative models, such as single thread overlock sewing, double thread overlock sewing, three thread overlock sewing, four thread overlock sewing, five thread overlock sewing, etc.

The commonly used three thread over seaming, four thread over seaming, five thread over seaming and other over seaming machine models can not only complete the edge wrapping of the cutting piece, but also complete the sewing function of the sewing material.because of the stretchability of the chain stitch, the overlock sewing machine is often the main craft sewing machine for the sewing of knitted fabrics.

The interlock sewing process is a common sewing process and a special form of chain stitch. Because of the stretchability of chain stitch, it is often the main type of sewing machine for sewing knitted fabrics.with the popularity of casual clothing and tight fitting clothing, stretch sewing technology has been continuously applied in the sewing of woven fabrics.

Interlock stitch sewing can not only sew sewing materials, but also has beautiful stitch . It is often used to sew decorative patterns on products.

There are many derivative models of the interlock sewing machine, such as two needle three thread , three needle four thread , four needle five thread , four needle six thread interlock sewing and so on. The sewing factory shall select different types of interlock sewing machines according to different sewing processes.

The above is the basis for selecting the types of sewing machines based on the four basic sewing processes of flat sewing, chain sewing, overlock sewing and stretch sewing.in addition to these four basic sewing processes, there are four common sewing processes: reinforcement sewing, button sewing, keyhole sewing and embroidery sewing, which are also important basis for selecting sewing machines.