How to set up a shuttle in a sewing machine

What is a swinging shuttle in a sewing machine

A device of this type is familiar to any seamstress, since it appeared much earlier than horizontal. This is an old type that is installed on models released a decade ago. But it is used to this day thanks to undeniable advantages. There is a special bobbin cap where the coil is invested. Only after that the bobbin is placed in the shuttle device. In the process of sewing, it does not rotate, but moves in different directions, respectively, in the vertical plane.

Such a device also has its advantages:

• It is made of metal, so it will be able to last much longer. Despite the complexity of operation, many seamstresses prefer just such a product to worry less for repair and replacement.
• Convenient operation if they have to work with different types of fabrics. There is a special lever on the bobbin cap, with which you quickly adjust the thread tension.

There are shortcomings that, due to the age of the product, are plenty of:

• It works noisily, constantly vibrates, especially if there are at least minimal failures in tuning;
• Requires permanent maintenance, often you need to lubricate;
• Does not allow to develop a high sewing speed, since it starts with a movement in different directions, and not through rotation;
• With minimal breakdowns, it contributes to the confusion or cut of the threads.

Unlike horizontal shuttles, the design of the vertical is more familiar to experienced seamstresses. The pendulum mechanism has disadvantages, but it is often chosen directly due to the habit and well-deserved reputation.

Modern models are equipped with vertical rotating shuttles, so that it is possible to maintain all the advantages of this type, but at the same time get rid of the shortcomings.

The shuttle on your sewing machine is one of the key working bodies, the quality of work depends on it and its range. Unlike the predecessors of sewing machines, modern devices have become more functional, but at the same time whimsical. They require the user to follow all the rules of operation and serve the device in a timely manner. The long service life will be provided with any type, whatever you buy, but only with careful and competent handling.

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Other settings nodes

For a working machine, a combination of the above parameters will allow you to get a quality line. If the problems remain, more complex manipulations will be required, which may be difficult to do with your own hands and you need to call the master.

Interaction of the needle and shuttle

When skills of stitches appear on a trial line, check the quality of the needle, thread, needle plate and thread tension. If all these nodes are serviceable, the malfunction can be hidden at the meeting place of the needle and the nose of the shuttle. For diagnosis, you need:

• Select a straight line, remove the needle plate and crush foot.
• Lower the needleman, and then raise the needle 1.8-2 mm. In the good position, the nose of the shuttle at this time should be 1.1-2 mm above the ears of the needle, and the gap between them should be within 0.15-0.25 mm. A larger gap will not allow the loop to form, and the stitch will be missed.

If the problem is found in the gap between the needle and the shuttle, you should consult a specialist, especially in the case of the current guarantee.

Problems with the pedal

The breakdown of the speed control in the foot pedal can significantly affect the convenience of sewing. The car will be scribbled at high speed at the slightest press or “not obey” the pedal. It may be enough to carry out a simple cleaning of the mechanism by dismantling the body of the device. But if the internal contacts of the regulator were oxidized and the cleaning did not help, a complete replacement of the regulator or pedal will be required.

Other settings nodes

For a working machine, a combination of the above parameters will allow you to get a quality line. If the problems remain, more complex manipulations will be required, which may be difficult to do with your own hands and you need to call the master.

Interaction of the needle and shuttle

When skills of stitches appear on a trial line, check the quality of the needle, thread, needle plate and thread tension. If all these nodes are serviceable, the malfunction can be hidden at the meeting place of the needle and the nose of the shuttle. For diagnosis, you need:

• Select a straight line, remove the needle plate and crush foot.
• Lower the needleman, and then raise the needle 1.8-2 mm. In the good position, the nose of the shuttle at this time should be 1.1-2 mm above the ears of the needle, and the gap between them should be within 0.15-0.25 mm. A larger gap will not allow the loop to form, and the stitch will be missed.

If the problem is found in the gap between the needle and the shuttle, you should consult a specialist, especially in the case of the current guarantee.

Problems with the pedal

The breakdown of the speed control in the foot pedal can significantly affect the convenience of sewing. The car will be scribbled at high speed at the slightest press or “not obey” the pedal. It may be enough to carry out a simple cleaning of the mechanism by dismantling the body of the device. But if the internal contacts of the regulator were oxidized and the cleaning did not help, a complete replacement of the regulator or pedal will be required.

Swinging shuttle

There are three types of sewing shuttle. Which shows its characteristics better and better. you should determine the master working with sewing equipment.

The most common today is a swinging type, proved its effectiveness for decades of work in domestic sewing machines. Swinging shuttle is installed in sewing machines “Seagull”, “Podolsk”.

A feature of such a device is its movement in the process of operating the mechanism. The shuttle is swinging like a pendulum; Removes a thread from the needle, leads it to the reset position, and then returns to its previous position again.

It is quite difficult to configure the work of such a machine. For the accuracy and correctness of the line, it is necessary to take into account several parameters at the same time. This is especially characteristic of the machine machine “Seagull”. With improper tuning, looping, passes, etc. D.

Puppy paw

Depending on the seamstress selected for sewing, it is obliged to adjust the pressure of pressure. Press or loosen the foot in relation to the needle plate, you can control this pressure. In old cars, it is located obviously and simple: on the sleeve of the machine, clearly above the paw. In later models, “seagulls”, the screw was hidden under the lid, but it remains in the same place.

If you remove the back cover and to love how the machine acts, it will be seen: as soon as you twist the screw, it begins to press the spring pressing on the foot, as a result, the load increases.

Elimination of knocking

Theizer always knows how to get rid of knocking. Seamsters often face such a problem when working at the Podolsk unit. To do this, pull the flywheel in the axial direction from the machine. In most cases, cunning helps. Sometimes you have to disassemble the device. It is required to unscrew the limiter in the form of a screw under the drive. Remove the flywheel. As well as bobbin and sleeve. The master puts on the puck that can do it on his own. Such a trick helps to get rid of knocking for a long time.

Car repair

Modern sewing equipment

DIY sewing machine settings is carried out in accordance with the leadership that includes. Adjusting modern sewing machines is similar and differs in tincture methods.

Modern models of machines are set up with special wheel drives. But the adjustment of single parts is made by hand. First of all, they set up a spring that settles the thread when winding on a spolk. It is twisted so that the cap of the bobbin sits tight and does not spin. The upper thread on the typewriter passes through a whole labyrinth, this is:

The tension of the threads in modern machines provide mechanisms on the end panel and on the tilt of the shuttle. The first is responsible for the lower threads, the second for the upper. The tightening of the latter is carried out by shuttle washers, compressing the screw that is responsible for tensioning the thread.

The result is checked on a piece of fabric. If the loops hang, then the upper thread is pulled. With properly adjusted tension of the thread, an even seam and perfect stitches are obtained.

When setting up the machine, the paw pressure is regulated by a special spring. If the foot presses strongly, then the fabric folded together will shift, it will be difficult to sew and matter can break. The poor pressure of the foot will create an incorrect weak seam. When adjusting the foot, attention is paid to the thickness of the fabric, the thicker the material, the more the foot should crush more.

Before starting the machine, they pay attention to the needle holder. The needle should enter it all the way. A large gutter of the needle looks to the left, and short to the right.

How is adjustment

Before proceeding with the accurate adjustment of the upper and lower threads, it is recommended to perform a test seam on an unnecessary rally of matter. Thoroughly inspect the seams just released from under the needle. If there are defects, but they are shallows, use a magnifying glass. Normally, properly configured equipment allows you to get an impeccable seam on both sides. When malfunctioning the tensioner, the threads can excessively squeeze matter, or the stitches are sagging, without ensuring reliable stitching of the material.

In the absence of such defects, continue the sewing. the machine works perfectly and without your intervention in the adjustment of the tensioner.

If you still did not like the quality of the seam. always know that the institution of threads one for another will be effectively hidden between layers of stitched matter. “Wrinkles” do not form here on any layer of fabric. The fact is that the tension of the threads is so arranged that one thread, when establishing another, pulls the one over itself. The other starts for the first similarly. With equal tension force, the seam is perfect. However, one of the threads is worth it to pull more. it will pull the other on itself, and the layers of fabric will also pull. The principle is this: when the points of stretching the lower thread appear on top, the upper is excessively stretched; The opposite is true.

Be sure to check that the machine works evenly and clearly. Threads should be refueling into the machine strictly according to the instructions. The bobbin should not spontaneously stop or slip away during the operation of the machine. Tights must be clean. Foot, needle, directional, tension lever, shuttle, bastard holder and needlewater mechanism should be without chips, zabin, unnecessary bulges and concaves, which ideally are not provided for. One damage. and the thread can be pulled out.