In detail: sewing machine podolsk do-it-yourself repair skips a line from a real master for the site my.housecope.com.
The most common causes of skipped stitches in sewing machines are: a curved or dull needle that does not match the thread thickness;
incorrect installation of the needle in height;
inaccurate installation of the needle (its grooves);
thread quality not suitable for machine sewing;
the approach of the shuttle nose to the needle, carried out out of time and not at the required distance from the needle; wear of parts.
Rice. 3. Removing the front board PMZ (Podolsk sewing machine): a - the position of the board on the machine; b - removed frontal board; c - details under the front board
A crooked or blunt needle must be changed. If the needle does not match the thickness of the threads, you must change the needle or threads.
If the needle is incorrectly inserted in height, the needle in the needle holder is pushed up to the stop, and if it is inaccurately installed along the grooves, it is turned until it is correctly installed.
The short groove 5 (Fig. 81) should always face the nose 6 (Fig. 82, a) of the shuttle, which captures the loop 7 formed by the needle from the upper thread. If the spout does not catch the thread, the upper thread will not interweave with the lower thread, that is, the stitch will not be formed.
Rice. 6. Sewing machine "Tula"
Glossy (smooth, elastic) threads are not suitable for machine stitching, since very little friction occurs when they are lifted together with the needle from the shuttle; the threads slide through the fabric as quickly as a needle, without overhanging a large loop 7 at the short groove of the needle (Fig. 82, b).
If the threads are twisted, then the loop is twisted at the short groove of the needle, so the nose of the shuttle cannot catch it (Fig. 82, c). Such threads must be changed.
Video (click to play). |
If the nose of the shuttle is broken off, the shuttle is changed. In the PMZ machine (Podolsk sewing machine), this can be easily done by yourself, by removing the shuttle from the machine and replacing it with a new one, but in the Veritas machine
Rice. 7. Sewing machine "Veritas" 8014/3:
You should not disassemble the shuttle set yourself; for this it is better to contact a specialist.
If the needle bar is displaced upward when the needle breaks or when it hits the hoop rim, then to avoid skipping stitches, lower the needle slightly, and then contact the workshop so that the driver was walking correctly (lowered or raised). How to do it yourself is described below.
If the reason for skipped stitches is an incorrect hook setting, you should also contact a workshop.
If the skipping of stitches occurs due to insufficient pressure of the foot on the fabric, then in the PMZ machine (Podolsk sewing machine) the adjusting screw 8 (see Fig. 3, a, c) at the upper end of the foot holder is turned clockwise; in the Veritas machine, remove the sleeve cover, pass the end of the screwdriver 6 (see Fig. 7) through the slots 7 and 8 of the adjusting screw 9 and turn the screwdriver clockwise; in the "Tula" machine, remove the sleeve cover and tighten the adjusting screw 12 (see Fig. 6) located on the leaf spring 13, since when the screw is tightened, the pressure of the foot increases, and when it is unscrewed, it is weakened.
Skipped stitches when embroidering when working without the foot is due to insufficient pressure of the fabric pulled over the hoop against the machine platform (use the darning foot).
Rice. 80. Dismantling and assembly of the shuttle set on the PMZ machine (Podolsk sewing machine): a - 1 shuttle; b - shuttle set and its parts; c - foot, needle and slide plates; d - hook set without bobbin case
If, when assembling the shuttle set, the screw 11 (see Fig. 80, b, d) of the spring 12 was loosely tightened, it must be tightened so that the shuttle does not have a large swing on track 15 (Fig. 80, d), along which it moves.
Rice. 81. Needle position and shuttle set of the sewing machine PMZ (Podolsk sewing machine)
If the reason for skipped stitches is wear of the parts, then the old parts can only be replaced with new ones at a sewing machine repair shop or at a sewing machine factory.
Rice. 82. Stitch formation: a - entry of the hook nose into the loop (overlap); b - the shuttle nose does not fall into the loop of the polished thread; c - the same, from twisted thread
Complex repairs of sewing machines related to the adjustment of units and mechanisms can only be performed by an experienced master. But such repairs are rarely performed, only when a part breaks down at the sewing machine and needs to be replaced with subsequent adjustment.
Most often, the sewing machine starts to “play up” if the rules of its operation, specified in the instructions, are violated or if simple settings and adjustments are not followed.
The main reason leading to a sewing machine malfunction is sewing fabrics that are not intended for this sewing machine model. Sewing a double hem on jeans, replacing a zipper in a leather jacket or bag, etc. - this is the main reason for the appearance of gaps in the stitch, thread breakage, needle breakage. Sometimes this can even lead to a breakdown of the sewing machine, subsequent complex repairs associated with the replacement of parts.
This article provides basic recommendations on how to set up and perform a simple DIY repair of a sewing machine.
Oddly enough, but it is the needle that is the most important part of the machine. During its “life” it makes thousands of punctures in the tissue and is not always light and thin, so sooner or later the needle point becomes dull, and the needle itself bends. And if at least once the needle hits the metal part of the machine body, the tip will bend in the literal and figurative sense of the word.
However, do we pay attention to this? The needle seems to be intact, so everything is fine. But take a magnifying glass and look at its point, its blade will be bent to one side. How would such a point pierce the tissue? Only one way is to break it.
Now let's see how such a needle will form a stitch.
The thread passing through the eye of the needle will catch on the curved point and “slow down”, creating excess upper thread in the stitch. Here is the first reason the loops appear in the stitching. Moreover, the curved tip will cause periodic thread breakage, especially in difficult to sew areas, when the upper thread is extremely stretched.
It turns out that sometimes the whole repair of a sewing machine consists only in replacing the needle.
Treat the needle with great care. Even if it outwardly has no blade defects and is not bent, try to change them more often anyway.
You do not need to throw out the used needles, as there are situations when the needles break one after the other, for example, when sewing a leather bag. Then remember about the jar with old needles.
Another reason for adjusting the sewing machine, especially the old manual machines such as Singer or Podolsk, is the incorrect insertion of the needle into the needle bar. The needle blade (fig. B) should be on the side of the hook nose. Remove the stitch plate and see if this is the case if the machine suddenly begins to twist and break the thread.
It often happens that a seamstress installs a needle from an industrial sewing machine into a household sewing machine. It is impossible to confuse a household needle with an industrial needle. A household needle has a special cut on the flask (Fig. B). But, nevertheless, it is the industrial types of needles that are installed. This absolutely should not be done. Firstly, you break the gap between the hook point and the needle blade, hence the gaps in the stitches, and secondly, you risk damaging the sewing machine hook.Some commercial needles are noticeably longer than household needles and may touch the surface of the hook, scratch it or even damage the hook.
Figure (A) shows a diagram of how to check the curvature of the needle. Externally, the needle cannot be determined whether it is a curve or not, and if you put it on the glass (2), you can easily check the gap (1). Please note that an uneven, bent needle will cause gaps in the stitching and will break sooner or later.
To make the sewing machine “more confident” to work with fabrics that are difficult to sew, such as knitwear, stretch, thin natural and artificial leather, denim, needles are produced for sewing just such fabrics and materials. They have a special point shape and make it easier for the thread to pass through the fabric, almost eliminating skipped stitches and looping of the upper thread.
See Home sewing machine needles.
The thread looping in the stitching, as well as the characteristic knock during their operation, is perhaps the main difference between sewing machines with a zigzag, such as Chaika, Podolskaya 142 of all models. In short, the looping in the stitching occurs due to uneven tension of the thread along its path: broken compensation spring, rusty sole of the foot, incorrectly set shuttle, etc. However, it is impossible to set many parameters yourself without experience. Therefore, if you have a poor quality stitch, pay attention first of all to the condition of the needle, to the tension of the lower thread in the bobbin case, and whether the upper thread tensioner is working properly. Very often, children like to disassemble and assemble it, and after such a repair, the machine stops working.
It is sometimes necessary to repair the sewing machine Chaika quite often, and this is not due to the breakdown of parts, the parts are just very strong, but with the misalignment of the interaction of some units of the sewing machine, mainly the shuttle move.
Almost all of these tips for repairing a sewing machine Chaika can be used for other models of household machines.
First of all, check the nose of the shuttle with a magnifying glass; it should not have any chipping or rusty spots. If there are jags, they must be removed with a small file and polished to a shine, otherwise the thread will constantly linger behind the file marks and loops will appear below. Only this must be done carefully so as not to blunt the tip of the shuttle nose.
Sometimes the bobbin (the bobbin thread is wound around it) can cause repairs to the sewing machine. Yes, it is repair, since an inexperienced "master" often disassembles and assembles all the units, when it is enough to simply replace the old metal bobbin with a new plastic one. If the edges of the metal bobbin are jagged and the bobbin case itself is clogged with thread fleece, the bobbin thread will come out in jerks and the upper thread in the stitching will periodically loop from below.
Often the reason for contacting a sewing machine repairman is that the upper thread is poorly regulated. You are tightening it almost completely, but the tension is still too weak. Look, perhaps, between the tensioner plates, thread fluff has accumulated, which prevents the washers from fully squeezing. The fastening of the tensioner (Chaika) may have loosened.
But still, most often, sewing machines such as the Seagull have a malfunction in the parameters of the shuttle and the needle. This is a complex type of repairing a sewing machine, more precisely setting, but for general information it is advisable to know the main reason due to which all the "troubles" of sewing machines occur.
The most common cause of a sewing machine malfunction is the upper thread. Thread breakage, looping in a stitch, uneven stitching, skips, etc. This often depends on the upper thread tensioner.
It is the fastening of the tension regulator (Seagull) that most often causes its poor performance. The plastic body is pressed under the pressure of the screw and over time the tensioner begins to stagger, or even completely "falls out" of the body.
In this photo, arrows indicate the attachment of the needle bar and tensioner.When sewing rough fabrics, intersecting seams on leather goods, and especially when hemming jeans, the needle bar may move upward with the needle.
Loosen the screw slightly and adjust its position, making sure that the blade and needle groove are in the correct position in relation to the hook (not turning left or right).
For details on how to disassemble and assemble the sewing machine tensioner, see the article "The device of the sewing machine tensioner Chaika".
Adjusting the shuttle mechanism of sewing machines performing zigzag stitching by Chaika, Podolsk, Veritas and others implies setting the position of the looper point above the needle eye by 1.2 (3) mm at the moment the looper point approaches the needle. This parameter is checked when the sewing machine sews not only the straight stitch, but also the left and right needle drop (when sewing the zigzag stitch).
The point of the shuttle must at the same time pass almost closely to the blade of the needle - this is the second condition that allows you to form a stitch without gaps.
In this photo, the arrow indicates the fastening of the shuttle shaft. Loosen the screw with a 10-point wrench, and holding the handwheel by hand, you can turn the shaft (together with the shuttle stroke) by adjusting the position of the hook point in relation to the needle.
However, these are not all of the parameters for adjusting the interaction of the hook nose and the needle. There is such a parameter as the timeliness of the approach of the shuttle nose to the needle, namely at the moment when the needle starts to rise. The needle descends to the lowest point, and when raised by 1.8-2.0 mm, it should meet the nose of the shuttle, the shuttle removes the loop from the needle and wraps around itself.
But that's not all. For sewing machines performing a zigzag stitch, there is such a thing as right and left needle prick. With the left and right prick of the needle, the nose of the shuttle should “confidently” remove the loop formed above the eye of the needle. It should run slightly above the eye of the needle, but less than the distance of the eye of the needle itself, about 1 mm.
However, such adjustments are often not required to be performed, it is enough just to check with a magnifying glass how the shuttle interacts with the needle and make sure that repairs, adjusting the sewing machine are not needed, and look for another reason. For example, change the threads, thread them correctly, change the needle, clean the shuttle from dust and fleece, etc.
To make it easier for you to repair the sewing machine, disassemble the shuttle move and study its device. Observe how the stitch is formed when the stitch plate is removed. At the same time, check all the shuttle settings described above. See also How the sewing hook works.
The settings above can be used as a guide if you decide to repair your sewing machine yourself. As a rule, the machine will work normally with such gaps, but if you need to sew knitted fabrics that are too thin (silk) or, on the contrary, thickened fabrics, you need a more accurate adjustment of these parameters, which can only be set by the master.
In many cases, sewing machine repairs will not be necessary as long as the sewing machine is kept clean and lubricated periodically. If a seamstress takes care of her machine, then, therefore, she will protect it from overload during work, not let it into the “wrong” hands, which means that the sewing machine will break less often.
After prolonged operation, clean the bobbin compartment and other accessible places from dust, fleece, oil stains. The shuttle itself and the shuttle mechanism should be periodically cleaned with a stiff hair brush. It is advisable to lubricate the machine at least once every six months, and after lubricating it a little “idle” on it, especially if the machine is not used for a long time. During operation, the oil heats up slightly and penetrates better into units and places of friction.
It is better to draw machine oil into a medical syringe and bury it in small drops in accessible places where there is friction of metal parts.
The big enemy of all mechanisms is dirt and rust, try to keep the car in a cool, dry place. If the machine will not be used for a long time, protect it from dust, otherwise the oil from the dust will harden, and the machine will turn tightly, or even jam. This case is considered in the article Podolsk Manual Sewing Machine.
Inexpensive Sewing Machine: Pros and ConsIn this article, we will figure out whether such a combination is possible - "an inexpensive and good machine" and how an inexpensive sewing machine that costs 3-4 thousand rubles differs from a machine that costs 30 thousand. We sew knitwear without gaps and looping
Many who tried to sew knitwear on an ordinary sewing machine noticed that the machine often refuses to make a beautiful and even stitch. There are gaps in the knitted stitching, the lower thread loops and sometimes breaks. Why is this happening and how can you fix it? What is the difference between a carpetlock and an overlocker and a coverlock
The coverlock is a modern and versatile machine that can overcast fabrics, sew cover stitches and even stitch parts like a regular sewing machine. But it is impossible to repair such a sewing machine with your own hands, you must definitely contact the service center. Decorative stitching in difficult areas
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For those who rarely sew simple products or occasionally perform minor repairs on clothes, you can buy an inexpensive economy-class sewing machine. It performs almost all operations, is easy to operate, and most importantly, for such a machine, it will be cheaper to build repairs if suddenly it is needed. Tips for setting up an overlock
The overlock is much more complex than sewing machines. It is almost impossible to repair an overlock without special knowledge and skills. However, repair or adjustment is not always required, sometimes it is enough just to adjust the thread tension and it will again overcast the fabric with high quality. Sewing a dress with your own hands
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Any sewing machine occasionally but skips stitches in the sewing line. Why do skipped stitches appear? In this article, you will learn the main common causes of skipped stitches and how to fix them.
To eliminate stitch skips you need to contact a sewing machine repairman, but more often than not, the cause can be eliminated with your own hands.
The lockstitch sewing patterns are created by the interaction of the shuttle and the needle. The nose of the shuttle approaches the needle, removes the loop, draws the upper thread around itself and forms a stitch.
The stitching of the sewing machine will not have gaps if the settings for the interaction of the hook point and the needle are respected. Let's consider under what conditions and parameters of interaction of these two parts the appearance of gaps in the sewing machine stitching is excluded.
The gap between the needle blade and the hook nose should not be more than 0.3 mm, and preferably even less. Sometimes, however, this gap is more than a millimeter. In this case, the spout passes next to the loop without catching it. There is a gap in the stitch. It should be noted that this gap is one of the main parameters, but not the only one. Other factors also affect the formation of the needle loop and its secure grip by the hook nose: tension of the upper and lower threads; quality of fabrics, threads; condition and type of needle, etc.
However, the gap between the hook point and the needle is the main parameter that influences the appearance of skipped stitches. And if it is more than the norm, then it is necessary to regulate it.
If the sewing machine skips stitches, and you have already checked the thread tension, the condition of the needle and followed other recommendations, then there is only one thing left - to adjust this knot. It is very convenient to use a magnifying glass for such an adjustment. And before configuring this node, inspect it with a magnifying glass and make sure that all parameters are normal. If this is the case, then perhaps the reason for the omissions lies in another regulation, which is discussed in other articles on the site.
When you are convinced that the parameters of the interaction of the needle and the hook point are violated, then none of the methods given below will be able to eliminate the skipped stitches in the stitching. Try to set the hook point and needle interaction yourself as follows.
If your sewing machine sews a zigzag stitch, first set the stitch switch to the straight stitch.
Remove the stitch plate, foot and lower the needle to the lowest position.
At the moment of raising the needle by 1.8 - 2.0 mm from the lowest position, the nose of the looper should pass above the eye of the needle, approximately by 1.1 - 2.0 mm, with a gap between the needle blade and the nose of the shuttle 0.15 - 0 , 25 mm. In theory, the smaller the gap between the needle blade and the nose, the better. But, keep in mind that overshooting can lead to needle breakage and dullness of the hook nose.
When adjusting this parameter for sewing thick fabrics, it is better to set the hook nose above the lug with the maximum parameter, up to 2.0 mm. For thin fabrics, it can be reduced, but not less than 1.1 mm. Therefore, set the average value to 1.5 mm. If gaps appear, try changing it.
For sewing machines Chaika, Podolsk 142 and other models of sewing machines of this type, these parameters are also suitable. But, the main guideline when adjusting the shuttle course for these machines is the position of the nose (above the needle eye) at the time of the left and right needle prick, as well as a number of other settings.
So that the sewing stitch on machines with a zigzag, such as the Chaika, Podolskaya 142, does not have gaps, it is important to take into account the parameters of the interaction of the needle and the nose of the shuttle when performing the zigzag stitch.
In addition, the formation of a line in these machines is influenced by the maximum exit of the shuttle nose over the needle at the time of the left and right prick. You can read about this in the article "Repair of the Seagull sewing machine", see below.
However, it should be noted that it is quite difficult to set up the work of the Chaika sewing machine on your own. This is due to the fact that the formation of a line is influenced by many factors at the same time and only an experienced craftsman can ensure that the line does not have gaps, the thread does not loop and does not break. An inexperienced tuner will not be able to maintain a "balance" between these three points. There will be no gaps, so it will loop or some other combination.
The reason for the appearance of gaps in the line can be a needle that is not suitable for a household sewing machine. If a needle of a different type is installed, for example, with a round (industrial design) flask or a household needle, but with a smaller diameter of the flask, then the line will necessarily have gaps.
Most often, this "breakage" appears when the seamstress is careless about the choice of a needle and inserts any that comes to hand. Use only needles specified for your sewing machine. Externally, the needles are very similar, but they have different bulb thicknesses, saw cut depths, and needle lengths. Installing the wrong type of needle creates an excessive gap between the hook tip and the needle blade and creates a gap.
Install those needles that are indicated in the instructions. All needles are marked and gauge. Write down the labeling from the instructions, and when you buy a new needle in the store, the seller will select a similar one for you. As a last resort, take an “old” needle with you.
Use special sewing machine needles for different fabrics (denim, knitwear, leather, etc.). Their design features make it easier for the thread to pass through the fabric, prevent tissue tearing at the puncture site and possibly eliminate the problem with gaps.
The tension of the thread when forming a loop often depends on the shape of the needle point and the peculiarities of the weaving of the threads of the fabric.
A bent needle will also cause skipped stitches on the sewing machine. At the slightest curvature, dullness of the needle, it should be replaced. Never trying to align the needle or sharpen. Metal for sewing needles of a special brand and it is impossible to straighten it perfectly.
Make it a rule to change needles more often, even if it is not clearly necessary. This is especially important after prolonged use or when a thud appears. This sound means that the “dull” nose of the needle no longer pierces, but breaks through the tissue, which is why a characteristic sound appears.
The thread thickness must always match the needle number, according to the table in the manufacturer's instructions.
The use of a thin needle with a thick thread necessarily leads to rupture of the fibers of the thread and its subsequent breakage. This “combination” makes it difficult for the thread to pass through the eye of the needle, and the formation of a loop when exiting the fabric, and as a result, skipped stitches appear.
A badly punctured hole in the stitch plate will also cause gaps in the sewing stitching. The fabric is “pressed” into the broken hole of the needle plate together with the needle, which prevents the thread from passing freely through it, as a result, a loop does not form on the needle and a skip stitch appears.
This stitch plate must be replaced as this defect can cause other malfunctions and breakdowns of the sewing machine.
A heavily twisted top thread or, as they say, “twisted” thread behaves like an elastic band, constantly twisting into knots. It behaves in the same way when a loop is formed near the nose of the shuttle. Sometimes it is too small, sometimes it does not form at all and the nose passes by the needle without catching the upper thread.
You can tie a rubber band around the sleeve of the sewing machine and thread it underneath. But it is advisable not to use such threads unnecessarily.
Use sewing thread that is elastic, of uniform thickness, strong, and free from strong twist. The thickness of the thread must be matched to the number of the needle, the choice of which number depends on the thickness of the fabric.
The main reason why the sewing machine sews with gaps is that the hook nose does not catch the loop formed by the needle. Since all lockstitch machines have common settings for this unit, then when setting up, for example, a Podolsk sewing machine or a Singer sewing machine, you can use the recommendations for setting up an industrial sewing machine 1022, 22 class, where this issue is set out in full.
Skipped stitches in modern sewing machines
Why did a modern household sewing machine suddenly start skipping stitches in a line? Explains the sewing machine repairman.
Repair of sewing machines Podolsk
The Podolsk sewing machine, which performs only one straight line, rarely skips a stitch. It is the only sewing machine that allows a clearance of over 0.3 mm between the hook nose and the needle blade. The main reasons for the appearance of skipped stitches in this machine are associated with improper needle installation.
Repair of sewing machines Chaika
Skipping a stitch at the sewing machine is the most frequent "breakage" of the sewing machine. This defect can be eliminated if all the parameters of the shuttle run are precisely set and the recommendations for the selection of the thickness of the needle and thread are strictly followed, the tension of the upper and lower threads is correctly adjusted, etc.
Why does the stitch loop
Causes of needle breakage on a sewing machine
Do not pull on the fabric when sewing by hand. Do not try to sew too thick fabrics, leather on a household sewing machine.Do not use too thin needles when sewing thick fabrics, and then the needles will not break at the sewing machine.
Sewing machine bobbin
A sewing machine can have a skipped sewing pattern for many reasons. One of them is a low-quality bobbin with edges broken by a needle, broken or bent walls of the spool. Change bobbins more often. Use plastic bobbins, they rotate more easily in the bobbin case.
Do you have a sewing machine and love to sew? Then this site is for you. Professional craftsmen will tell you how to make minor repairs to a sewing, knitting machine. Experienced technologists will share the secrets of tailoring. Review articles will tell you which sewing or knitting machine to buy, a mannequin iron and many other useful tips you will find on our website.
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Why stitch skipping occurs? In general terms, the cause of the malfunction looks like this - the upper thread, lowered by the needle down, is not picked up by the nose of the shuttle.
Why is the upper thread loop not caught by the hook nose? There are many reasons.
But before calling a mechanic, CHECK THE NEEDLE!
A dull or bent needle is very common cause of skipped stitches. Replace the needle with a new one.
The needle may not be of the type for which the machine was adjusted. For example, a needle with a round bulb is installed. Replace the correct needle.
The reason may also be a mismatch between the needle and thread: a thin needle and a thick upper thread. In this case, a loop-overlap from the upper thread can be formed on the opposite side of the needle, where it cannot be picked up by the hook nose. The thread thickness must always match the needle number.
A heavily twisted thread can also cause skipped stitches - the slip loop is twisted to the side when formed. It is necessary to replace the threads with high quality ones.
Skipped stitches can also be caused by fabrics such as heavy knitwear.The needle, falling into the thread of the fabric, pulls it down, forming a loop, which prevents the formation of a loop-overflow of the upper thread. In this case, replacing the needle with the thinnest one can help. a thin needle may be able to pass through the fabric without tightening it.
If skipped stitches occur even with the thinnest needle, try sewing with a strip of tissue paper. This sometimes helps because the paper prevents the needle from pulling the fabric down.
If your sewing machine starts skipping stitches, proceed as follows:
1. Check that the upper and lower threads are threaded correctly.
2. Loosen the upper thread tension.
3. Change the needle. An old needle can become dull, bent, or dirty as a result of long service life. It is important to know what type of needle your machine is set for. All needles have their own markings and gauges, write down the markings of the recommended needles from the sewing machine instructions, and then you can find exactly what suits you on sale.
When purchasing needles, choose the smallest suitable needle thickness for your fabric. It is preferable to use an all-purpose needle, either a medium or wide round point needle, or a finishing stitch needle. When sewing stretch fabrics, select the dedicated stretch needles.
The needle must be inserted into the needle holder correctly, until it stops. But in especially difficult cases, it can be lowered a little, sometimes this method helps so that a sufficiently large loop of the upper thread can form.
4. Check to see if the presser foot is level, sometimes pushing it harder (or even pulling the nose down while sewing) will help it hold the fabric much better. This will prevent the needle from pulling the fabric down through the stitch plate. It is preferable to use the straight stitch foot (with a small circular hole). If you do not have a dedicated straight stitch foot, try moving the needle to the far right.
5. Use a small hole stitch plate, if you do not have a small hole stitch plate, try sealing part of the wide hole on a regular stitch plate with duct tape.
6. Change the sewing thread. Perhaps the threads you are using have a higher twist. Due to the heavily twisted thread, the slip loop can immediately fold to the side during formation, resulting in skipped stitches.
7. When sewing elastic synthetic fabrics, you can try to stabilize the fabric with a special water-soluble material, if not, soak the fabric with a gelatin or starch solution. You can also place thin paper under the fabric and tear it off gently when you finish sewing.
8. When changing from thick to thin seams, use the Thick Seam Foot. Some models of sewing machines have a special mechanism that simplifies the transition from thin to thick layers of material - read carefully the instructions for your sewing machine.
9. If none of the methods worked for you, your sewing machine may be skipping stitches due to misalignment between the hook and the needle. In this case, the best way to fix the problem is to call a sewing machine repairman.
Surely everyone who uses a sewing machine more or less regularly has encountered this problem at least once. Now it would seem that I checked the correctness of threading, and changed the needle, and cleaned the shuttle, but the machine still skips stitches! Why is this happening and what to do in this case?
Let's try to find the cause of skipped stitches when using the sewing machine.The problem in most cases is as follows - the thread that is lowered by the needle down is not picked up by the hook nose, that is, as a result of any irregularities in the operation of the machine, a large enough loop cannot be formed that could be captured by the hook nose, and, accordingly, the stitch is not it turns out. Let's see what malfunctions can cause skipped stitches?
Why?
Firstly, a good reason for skipping a stitch can be a needle that is not suitable for the type of work being performed, the type of material being sewn, or in the end is simply bent or dull. For example, getting into the thread of the fabric, an excessively thick needle pulls it down, forming a loop that prevents the formation of a loop-overlap from the upper thread.
Secondly, the sewing machine may skip stitches because the sewing thread does not match the needle type and number. For example, with a thin needle and a thick upper thread, a loop may form on the opposite side of the needle, where it cannot be picked up by the nose of the shuttle.
Third, the sewing machine often skips stitches when sewing stretch synthetic fabrics. If the fabric you are working with is elastic, a thin needle will not be able to make a sufficient hole in it. The moment the needle passes through the hole in the needle plate, the fabric clings to it.
Fourth, skipping stitches often occurs when transitioning from a thick to a thin section of a seam (for example, when hemming the bottom of the legs in jeans).
Fifth, skipped stitches can be caused by misalignment between the hook and the needle.
If your sewing machine starts skipping stitches, proceed as follows:
1. Check that the upper and lower threads are threaded correctly.
2. Loosen the upper thread tension.
3. Change the needle. An old needle can become dull, bent, or dirty as a result of long service life. It is important to know what type of needle your machine is set for. All needles have their own markings and gauges, write down the markings of the recommended needles from the sewing machine instructions, and then you can find exactly what suits you on sale.
When purchasing needles, choose the smallest suitable needle thickness for your fabric. It is preferable to use an all-purpose needle, either a medium or wide round point needle, or a finishing stitch needle. When sewing stretch fabrics, select the dedicated stretch needles.
The needle must be inserted into the needle holder correctly, until it stops. But in especially difficult cases, it can be lowered a little, sometimes this method helps so that a sufficiently large loop of the upper thread can form.
4. Check to see if the presser foot is level, sometimes pushing it harder (or even pulling the nose down while sewing) will help it hold the fabric much better. This will prevent the needle from pulling the fabric down through the stitch plate. It is preferable to use the straight stitch foot (with a small circular hole). If you do not have a dedicated straight stitch foot, try moving the needle to the far right.
5. Use a small hole stitch plate, if you do not have a small hole stitch plate, try sealing part of the wide hole on a regular stitch plate with duct tape.
6. Change the sewing thread. Perhaps the threads you are using have a higher twist. Due to the heavily twisted thread, the slip loop can immediately fold to the side during formation, resulting in skipped stitches.
7. When sewing elastic synthetic fabrics, you can try to stabilize the fabric with a special water-soluble material, if not, soak the fabric with a gelatin or starch solution. You can also place thin paper under the fabric and tear it off gently when you finish sewing.
Video (click to play). |
eight.When changing from thick to thin seams, use the Thick Seam Foot. Some models of sewing machines have a special mechanism that simplifies the transition from thin to thick layers of material - read carefully the instructions for your sewing machine.