Serger or Coverstitch Machine
In this post examines in detail the main differences between a serger and coverstitch machine. Serger vs cover stitch machine.
The coverstitch machine looks like an overlock. But this is a false impression. In fact the cover stitch machine and serger are two different sewing machines.
The first difference: Working area of coverstitch machine is much more than the working area in overlock.
Working area of serger is located only on the left side in relation to the sewing needle.
Second difference: The coverstitch machine has only one looper.
In this photo is threading diagram for coverstitch machine.
The serger has two loopers.
The third important difference between serger and coverstitch machine: The server has the knives for cutting edges of fabrics.
This is threading diagram for overlock sewing machine.
The overlock sewing machine and coverstitch machine (home models) have same number of threads.
This is the one thing that makes both sewing machines look like.
The fourth difference: The home models coverstitch machines use three needles.
Modern model overlocker has two needles. Old models can have one needle only.
There are other common options that have both sewing machines: the differential feed mechanism and knob to adjust its value.
Serger and coverstitch machine have the knob to adjust the stitch length.
This model serger has these both knobs on the right hand side.
Needles for household sewing machines are suitable for any models. These needles can often not be installed on the overlock and coverstitch machine.
Note: For overlock you need use special sewing needles.
The size and length the needles are indicated in manual. Sometimes type a needle is applied to a sticker that is glued on the housing an overlock.
Note: For the coverstitch machine need use only special sewing needles and threads.
For sewing a knitted fabrics the needles point of coverstitch machine must have a special form.
The threads that are used for coverstitch machine and serger need to insert in all guides and holes necessarily. Into these top holes you need insert the threads so as shown on this photo.
The threads that are used for serger and coverstitch machine should be thin, firm and elastic. These parameters of threads very influence on the quality stitching.
The coverstitch machine often is used for hemming the garments that are made from knitted fabrics.
Overclock sewing machine is used only to serge the edges of fabrics with simultaneous trimming them.
This is the main and most important difference between the serger and coverstitch machine!
The coverstitch machine can perform various kinds of stitches, using 8, 6, 4 and more (industrial models). The coverstitch machine can use even two threads. In this case it can sew fabrics like regular sewing machine. This feature is not a difference, this feature is its advantage in relation to the overlock.
So looks stitch that are made using the coverstitch machine.
English isn't my first language, so please excuse any mistakes and help correct them.
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