How to choose an overlock needle and replace it?

Overlock needle - special sewing accessory... Manufacturers today produce different types of tools for different tasks. The difference between an overlock needle and standard needles installed on sewing machines is the thickness and shape of the bulb. Therefore, it is worth making sure that the chosen model of the accessory is correct before purchasing it.

Overlock needles are called "knitted" needles, as they are used to overcast the edges of jerseys:

• sweater;
• sportswear;
• T-shirts.

Models produced by various manufacturers differ in length and size, which makes it possible to establish a certain step of the tool during the sewing process. Regardless of the type of accessory used, the design of each includes:

• shank;
• kernel;
• groove;
• notch;
• eyelet;
• sharp point.

Features of accessories for overlock are increased strength and reinforced base. This is explained by the fact that the tool works with thick material, and it is important to ensure a long service life of the accessory.

Another feature of such products is the presence of an additional groove, with the help of which it is possible to speed up the process of removing the thread from the needle with the looper. This approach prevents the possibility of skipped stitches.

Manufacturers produce various accessories that differ in shape, length, thickness and other parameters. For modern household overlockers, marking accessories will be the best option for needles. ELx705. As for the size of the tool, it should correspond to the density of the fabric being treated.

It is noteworthy that some manufacturers, in addition to letter marking, color is applied. It is a colored strip located on the throat plate bulb. Through such a strip, it will be possible to determine the possibility of using the tool for specific purposes. So, for example, needle accessories for an overlock are usually designated in black.

The length of the models is 38.5 mm. This is a standard indicator, and tools among themselves may vary in type and size... In overlocks, In addition to the standard HAx1SP and ELx705 needles, the following types of instruments are used:

• H-DRI - for working with two or three threads;
• H-SUK - have a rounded tip;
• Н-S - for working with elastic fabrics;
• Н-О - equipped with an additional blade;
• Н-LR, LL - for working with leather.

When buying overlock needles, it is worthwhile to take a responsible approach to finding the right tool. First you need to check if the selected needle is suitable for a particular overlock. To do this, it is recommended to carefully read the instructions for the sewing machine. Also, when buying a tool, you should pay attention to:

• the quality of the material;
• accessory characteristics;
• integrity of the structure.

After the accessory is purchased, it remains to insert it into the machine structure and thread. The needle into the machine, regardless of its model, is inserted upward until it stops. The tool is fastened manually by using a special screw.

You can determine the correct installation of the accessory by sewing a seam. If the line is straight and without skipped stitches, then everything was done correctly.

You can thread the thread in the following ways:

• in the case of using machines with straight stitching, the thread must be threaded on the left side, where the long groove is located;
• in machines with a zigzag stitch, the procedure is carried out from the front;
• in typewriters like "Podolsk" threading occurs at the top.

As for the latter option, it is also necessary to first turn the flat part of the flask to the right.