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Sewing machine needles and 5 useful information for sewing students
The sewing machine needle looks nothing complicated, but the structure is not only one end is the stitch and the other end is the slot; Also, not all needles are suitable for industrial and home sewing machines. A lot of useful information about this familiar but super important sewing tool needs to be discovered.
The sewing machine needle is an important and indispensable detail in the sewing process, having the function of passing the thread through the layers of sewing material (usually fabric) to form a complete stitch. In the industrial sewing industry, depending on the type of machine as well as other combined sewing details and specific requirements to choose the right type of machine needle.

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The sewing machine needle structure consists of parts such as: needle foot, needle shaft, needle groove, needle hole, ankle, and needle tip. Machine needles come in many sizes, usually denoted by a series of numbers, displayed in millimeters, according to the European needle sizing system. For thin, light, smooth, silk fabrics using 60/8 or 65/9 needles. For light fabrics, use 70/10 or 75/11. For medium thickness fabrics, use 80/12 or 90/14. Thick fabrics should use 90/14 or 100/16 . The fabric is very thick, the suitable type is 110/18

Sewing needles are carefully selected and the right size to help create beautiful and smooth seams. On the contrary, if you choose the wrong needle, the finished product will definitely be defective, the sewing process also has problems such as skipping, the needle is bent, the thread is broken, worse, the fabric may be punctured, torn... When choosing, you will have to save it. Note the appropriate proportions for the sewing thread, so that the sewing speed and the thread path are satisfactory. To check if the needle and thread are suitable, before inserting the needle into the sewing machine, try to thread the thread into the needle hole, hold the thread firmly at a 450 angle, and then slide the needle along the thread. If the needle is stopped (thread entangled), it means the needle is small for that type of thread. Once there, choose a larger needle size and try again until a steady slide is the norm.
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Changing the needle for the machine will have a sequence of steps that will include: turn off the machine, remove the foot from the accelerator pedal => rotate the flywheel counterclockwise to bring the needle bar up to the highest position => lower the presser foot down => left hand holds the needle, right hand uses a screwdriver to open the needle fixing screw (counterclockwise) to remove the needle => insert the needle into the machine by pushing the needle from bottom to top until the needle touches the needle holder, and then use a screwdriver to tighten the screw to fix the needle. Notes when removing the sewing machine needle: Only change the needle when the machine is turned off, to avoid injury by accidentally stepping on the pedal to make the machine work. Use a needle suitable for the sewing machine, otherwise the needle may break, bend and cause injury. Do not use damaged, poor-quality needles that will easily break and cause injury.
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Sewing needles are carefully selected and the right size to help create beautiful and smooth seams. On the contrary, if you choose the wrong needle, the finished product will definitely be defective, the sewing process also has problems such as skipping, the needle is bent, the thread is broken, worse, the fabric may be punctured, torn, etc.
Although it is a small detail, sewing machine needles are indispensable in the sewing process to create finished products. Students and sewing workers need to pay attention to the above useful information to choose the right type of sewing needle, avoiding unnecessary errors that affect work performance.