Introduction Although the use of sewing machines is much less now than before, some craftsmen still buy an electric sewing machine and keep it at home to facilitate repairing clothes or knitting some handicrafts by themselves. However, when some people use the electric sewing machine, once the thread is used up, they do not know how to thread the thread, which brings a little trouble to the usual use. The following will introduce to you how to thread the sewing machine, I hope it can help you.
Multifunctional Sewing Machines
Zigzag Stitch Sewing Machines Sewing machines that use one or two needle threads and a bobbin thread to form straight or curved stitches. It can sew two or more layers of sewing material, or sew decorative stitches on one or more layers of sewing material. It has a variety of functions, so it is also called a multi-functional sewing machine. [Is it easy to use a mini sewing machine?]
In addition to all the functions of a straight line sewing machine, the zigzag stitch sewing machine can sew decorative zigzag stitches, pattern stitches, bag Side seam, patch seam, button nailing, button hole, etc., with special accessories, it can also be used for double needle seam, blind seam, welt seam, etc. It is not only suitable for sewing cotton, linen, silk, wool, chemical fiber and other non-elastic fabrics, but also elastic knitted garments. [Reasons for sewing machine jumper]
The zigzag stitch sewing machine is formed by adding a mechanism on the basis of the straight stitch sewing machine. When sewing zigzag stitches, a pattern generator controls the trajectory of the stitches in the horizontal direction. The pattern generator is divided into two types: mechanical type and microcomputer type. The mechanical pattern generator uses the lifting distance of the pattern cam to push the needle bar system to swing laterally and control the feeding system. The microcomputer type pattern generator uses the pre-stored pattern program, controls the needle bar system and the feeding system through the stepper motor according to the selected pattern program, and sews various shapes of patterns.
There are 5 types of zigzag stitch sewing machines: semi-multiple, full-automatic, semi-automatic, fully automatic and super-automatic.
Semi-multifunctional sewing machine:
On the basis of completing the functions of ordinary sewing machines, a pattern generator (needle bar swing mechanism) is added to control the left and right of the needle swing. Through manual lever operation, regular zigzag decorative seams, zigzag elastic seams and overlock seams can be sewn.
Full-function sewing machine:
On the basis of completing the function of semi-multi-function sewing machine, a set of needle bar left, middle and right displacements are added institutions, expanding the scope of application. Through manual lever operation, regular zigzag decorative seams, sewing buttons, sewing button holes, etc. can be sewn based on the left, middle and right points.
Semi-automatic multi-function sewing machine:
On the basis of completing the functions of the semi-multi-function sewing machine, a set of mechanisms to control the needle bar swing is added to make the machine The needle automatically changes the width of the horizontal needle as required, so as to automatically sew a regular zigzag decorative seam.
Fully automatic multifunctional sewing machine:
On the basis of completing the functions of the full multifunctional sewing machine, the control needle bar swing, needle bar left middle Right displacement, feeding length and reverse direction mechanism. It can automatically sew regular zigzag-shaped decorative seams, pattern-shaped decorative seams and sewing buttonholes.
Super automatic multifunctional sewing machine:
In addition to the functions of the fully automatic multifunctional sewing machine, an additional set of The mechanism to control the lateral change of the sewing material expands the width of the horizontal needle and makes the decorative pattern seam more beautiful.
Sewing Machine Threading 1 Automatic Needle Threader with Spring
How to thread sewing machine thread? The automatic needle threader, also called the automatic needle threader, is a device used for fast needle threading on a household multi-function sewing machine. Different brands and models of sewing machines have slightly different automatic threader devices. Here are some common automatic threaders and their usage steps. [Sewing Thread Specifications]
1. Make sure the needle is in the upper needle position; the presser foot is down.
2. Press the threading lever down with the fingers of the left hand; pull the sewing thread with the right hand through the thread hook (A) and then pull it to the right.
Note: The finger must be pressed down on the threading lever vertically, not to the right.
3. When the threading lever is pressed to the bottom, the threader will automatically rotate and the threading hook will pass through the needle hole.
4. Pull the thread toward the needle, and gently lift it up against the needle, so that the thread is hooked by the threading hook (B).
5. Gently pull the thread end and release the threading lever at the same time, the thread hook will rotate to hook the thread into the needle hole to form a thread loop.
6. Pull out about 10 cm of thread from the back of the pinhole.
2 Automatic needle threader without spring
Most of the operation steps are the same as the automatic needle threader with spring, but since the needle threader hook does not rotate automatically, the needle threading lever must be turned manually.
1. When the threading lever is pressed to the bottom, keep pressing it down and turn the lever slightly to the right and back to make the threading hook go through the needle hole.
2. When releasing the threading control lever, after seeing that the thread is hooked by the threading hook (b), turn the control lever slightly to the front right, so that the threading hook will hook the thread into the needle hole to form a thread loop. 3 Spring double wire hook threader
1. Make sure the needle is in the upper needle position; the presser foot is down.
2. Pull out the thread passing through the thread hook about 10 cm, and hook the thread on the double wire hook (A and B).
3. Gently pull the thread to the thread cutter on the left side of the machine head to cut the thread end.
Note: Do not pull the thread forcefully, otherwise the thread will come out of the needle hole after threading.
4. Press the threading lever down to the lowest position until the double wire hook rotates and stops. 5. Release the threading rod, and see that the thread is hooked into the needle hole to form a thread loop. If the threading lever does not reset, gently lift it by hand. 6. Pull out the thread after the pinhole about 10 cm from the back.
When using the automatic needle threader, pay attention to the following points:
1. For smooth threading, it is recommended that the operator choose a straight stitch (the needle is in the middle).
2. When pressing down the threading control lever, it must be forced downwards vertically, but not left or right.
3. At the moment when the threading hook passes through the needle hole, because the threading hook is very small, be careful not to apply too much force (use soft and hard force), so as not to damage the threading hook or make the threading hook deviate.
4. The thick thread cannot pass through the thin needle.
5. When the machine is running, do not pull down the automatic threading control lever, otherwise the threading hook will be damaged.
The automatic needle threader device can quickly thread the needle and thread, saving us the trouble of manually threading the needle and thread. However, not all needles and threads are suitable for use with automatic needle threaders.
1. Needle suitable for automatic needle threader: domestic sewing machine needles with specifications of 9/70-18/120. When using needles smaller than 9/70, or special needles such as winged needles, double needles, or with a sensor-type one-step locking buttonhole presser foot, thread the needle and thread manually.
2. When using special threads, such as transparent threads, elastic threads, metal threads, etc., it is not suitable to use an automatic threader.
3. When using some special optional accessories, the rotation of the threading hook may be blocked, and it is also necessary to thread the needle and thread manually.
In addition to some automatic threader devices described above, some sewing machines have different threader devices and different operations, so you must read the random instruction manual carefully before use.
4 Manual threading method
bobbin winding
1. Separate the needle. Rotate the upper pulley on the side of the sewing machine to the full position to raise the needle bar to the highest position. This way the needle won’t snap off when you wind the bobbin.
2. Take the bobbin. A bobbin is a small circle located below the needle in a sewing machine. The bobbin provides the underside of the sewing machine, but is generally not threaded. Pull the push plate on the bobbin, and then take the bobbin out of the bobbin case; there is no thread winding on the bobbin at this time.
3. Put the coil on. Place the loop in the loop pegs on the top of the sewing machine. The coil should be able to turn so that the thread can be pulled out of the coil counterclockwise.
4. Pull out the thread. Take the end of the thread and pull it out, and wind the thread around the bobbin winding adjustment plate located on the top of the sewing machine. If you have a newer sewing machine, there may be a diagram on the top of the sewing machine to teach you how to do this step:
5. Start winding the bobbin. Take the bobbin and wrap the thread around it 2-3 times.
6. Put the bobbin on the bobbin nail. It is a small nail that is generally installed on the top of a sewing machine. Turn the bobbin pin to one side to secure it, and then wind the thread.
7. Start winding the bobbin. When holding the long thread end with your hand and ready to put it into the bobbin, press the pedal or press the bobbin winding button to start winding the bobbin. It takes a few seconds to wind the bobbin. Doing this ensures that the thread wraps tightly around the bobbin. Cut off the ends of the short wires sticking out.
8. End the bobbin winding. Depress the pedal or reverse the upper wheel to fully wind the bobbin. Your top pulley will easily stop automatically when the bobbin is full; it should still turn easily when the bobbin is full.
9. Remove the bobbin. Turn the bobbin pin and remove the bobbin. At this time, the thread should be connected to the bobbin and the coil at the same time. Use scissors to cut off the excess part, leaving 5-8 cm of thread. You are about to start threading your sewing machine!
Threading the sewing machine
1. Re-thread the needle. Now you are ready to start sewing with your sewing machine. The large loop is to be placed in the same position on the top of the sewing machine. The bobbin case is placed under the small push plate, either directly below or on the side in front of the needle. Find the bobbin case to open.
2. Pull out a few centimeters of thread from the bobbin. (Note that the blue-green line in the picture represents the bobbin thread, so as to distinguish the bobbin thread from the coil thread)
3. Put the bobbin back into the bobbin case. Insert the exposed thread end of the bobbin into the notch of the bobbin case. Some machines often have a C-ring with a blade on the end, which is usually used to cut off the thread. When the bobbin is fixed, the bobbin will turn counterclockwise when the thread is pulled. The end of the wire should be pulled to the right so that the wire can be released easily. When you have finished paying off the thread, push the push plate above the bobbin back to its original position.
4. Start winding the sewing machine. Pull out the coil thread located at the top of the sewing machine. Thread the thread through the thread guide on the top of the sewing machine – the silver piece that is attached to the top of the sewing machine. There may be instructions printed on the top of the camera to teach you how to do this step.
5. Pull the line down. Following the direction of the arrow on the sewing machine, pull the thread from the thread guide towards you. Loop the thread to the adjustment plate on the bottom of the sewing machine and pull it back to the top along the second thread guide. Finally make the wire form a long and narrow “U” shape.
6. Wind the thread around the thread handle. After completing the “U” shape, you will wind the thread around the thread take-up lever located at the top of the sewing machine, facing away from the needle. The thread lifter is the piece of metal that extends outward from the second thread guide. It has a hole near the top through which the wire can be threaded. After this step, the shape of the wire becomes a large and narrow lateral “S” shape.
7. Pass through the needle. Pull the thread down from the sewing machine to the needle. Pass through the small eye on the bottom of the needle. Pass the thread vertically through the metal presser foot just below the needle.
8. Lead the bobbin thread. The bobbin thread is still hidden in the needle plate under the needle. Turn the upper pulley on the right side of the sewing machine to draw out the bobbin thread. Turn the upper wheel for a few seconds and the end of the bobbin thread will appear. Pull out the bobbin thread by hand to expose a few centimeters of length.
Tips
Most sewing machine threads are generally similar gauges. If yours is special, it is recommended to find the manual that matches the model, or take a good guess. Refer to the sewing machine manual if you have one. Now, many manufacturers put threading methods online. It’s also worth checking out how to use your sewing machine online. Look for threading instructions printed on your sewing machine. Many newer sewing machines have thread guides and cutters printed on them to help you finish threading.
Warning
When threading the needle, unplug the sewing machine. If you accidentally step on the pedal while threading the sewing machine, you may injure yourself.
You’ll need to prepare
Coil bobbin (small clear plastic loop or metal loop) sewing machine
sewing machine maintenance
cleaning
1. Cleaning of the cloth feed dog Remove the screws between the needle plate and the cloth feed dog, remove the cloth wool and dust, and add a small amount of sewing machine oil.
2. Cleaning the shuttle bed The shuttle bed is the core of the sewing machine, and it is also the most prone to failure. Therefore, it is necessary to remove the dirt frequently and add a small amount of sewing machine oil.
3. Cleaning of other parts The surface of the sewing machine and all parts in the panel should be cleaned regularly. [Common Sewing Machine Troubleshooting]
Lubrication
Special sewing machine oil must be used. The sewing machine should be fully oiled after one or several days of continuous use. If oil is added between uses, the machine should be idling for a period of time to fully infiltrate the oil and throw off excess oil. Then use a clean soft cloth to clean the machine head. Clean the surface and the countertop to avoid soiling the sewing material. Then thread and sew the rags, use the movement of the sewing thread to clean them, and throw out the excess oil stains until there is no oil stains on the rags, and then proceed to formal sewing.
Refueling part
1. For each oil hole on the machine head, lubricate the upper shaft and the parts connected to the upper shaft. [How to wash sewing machine oil]
2. The parts inside the panel and the moving parts connected with each part. Lubricate the presser foot bar and needle bar and the parts connected to them.
3. Clean the moving parts of the lower parts of the machine board and add less oil.
The amount of oil in each oiling hole and oiling part does not need to be too much, just one or two drops.
Other maintenance notices
1. After work, insert the needle into the needle hole plate, lift the presser foot, and use the machine cover The machine head is invaded by dust-proof chips.
2. When starting to work, first check the main parts, how heavy the tread is, whether there is any special sound, whether the needle is normal, etc. If any abnormal phenomenon is found, it should be repaired in time.
3. After the machine has been used for a long time, it needs to be overhauled. If the parts with greater wear and tear are found, they should be replaced with new ones.
