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The 8 pin bobbin is mainly used for electric sewing machines, weaving machines, etc. The conventional type is as follows:
8 pin 3.1 bobbin
8 pin 3.1 bobbins are commonly used to hold sewing thread for electric sewing machines, used to feed the thread smoothly and evenly for consistent stitching. They are usually made of plastic and come in a variety of colors.
8 pin 3.2 bobbin
8 pin 3.2 bobbins are similar to 3.1 bobbins, but their sizes are slightly different. They can also be made of plastic or metal.
Double-sided 8 pin bobbin
As its name suggests, the double-sided 8 pin bobbin has two sides. They are the main components of the shuttle, and the threads wound on both sides are supplied to the needles at the same time during operation. Compared with single-sided bobbins, double-sided bobbins can increase the sewing speed and reduce the number of replacements required.
Plastic 8 pin bobbin
Plastic 8 pin bobbins are a type of 8 pin bobbin made entirely of plastic. Compared to metal, plastic bobbins are lighter and less noisy during operation. In addition, plastic bobins avoid the problem of thread wear and fraying.
Metal 8 pin bobbin
Metal 8 pin bobbins are made of metal, typically a lightweight alloy. This makes them stronger and more durable. In addition, metal bobbins can provide more stable thread tension, thus ensuring uniform stitching quality.
8 pin bobbin with case
The 8 pin bobbin with case may come with an 8 pin bobbin holder. The configuration of bobbin cases can facilitate storage and prevent the bobins from being damaged or lost.
Size & Dimensions:
8 Pin bobbin generally dimensioned to length 58.4 mm and diameter 28.5 mm. These measurements are constructed explicitly for sewing machines that use an 8-pin bobbin. Moreover, they may vary depending on the make and model of the sewing machine.
Material:
Typically, 8-pin bobbins are manufactured from plastic or metal. Nevertheless, plastic 8-pin bobbins are lightweight and affordable and resist heat and corrosion. Conversely, metal 8 pin bobbins are more durable and expensive than plastic bobbins and can withstand heavier threads. In addition, they provide greater stability when sewing at high speeds also offer a more controlled thread release.
Thread Capacity:
The amount of thread that an 8-pin bobbin can hold is known as thread capacity. Usually, the thread capacity of an 8-pin bobbin is determined by its size and dimensions. However, thread thickness also affects how many threads a bobbin can hold.
Applications:
8 Pin bobbins are frequently used in industrial sewing machines and other applications that require sewing as follows: In the apparel industry, 8 Pin bobbins are often utilized in standard overlock seams and edge stitching. In the upholstery industry, they are used for sewing thicker fabrics, such as those used for curtains, drapes, and slipcovers. Upholstery sewing machines frequently use them. In the quilting industry, they are used for quilting machines that sew multiple layers of fabric together to create quilted items. Carpet-laying companies sometimes use carpet sewing machines, also known as tufting machines. They use 8-pin bobbins to sew carpets together. Fabrication industries include leatherworking, garment construction, and label weaving.
The maintenance of 8-pin bobbins is necessary to assure their correct operation and prolong their lifetime. Some basic maintenance requirements are cleaning, lubricating, and regularly inspecting them.
Cleaning:
Cleaning the eight-pin bobbin is the first and most important step in maintaining its proper use. After a specific period of use, dirt will accumulate on the bobbin, affecting its operation with the sewing machine. Dirt that attaches to the bobbin should be removed as soon as possible, as it may affect the sewing quality desired.
To clean an 8-pin bobbin, first, remove it from the sewing machine. Then use a soft brush or cloth to remove any thread or lint attached to it. If the bobbin is plastic or metal, avoid using strong chemicals or abrasives that may damage it.
Lubrication:
Lubricate the 8-pin bobbin to keep it running smoothly. Bobbin lubrication reduces friction and wear. Regularly lubricate the bobbin to extend its life and improve performance. However, be careful not to use too much lubricant on the bobbin, as this may damage the sewing machine.
Inspection:
An 8-pin bobbin should be carefully examined frequently to look for indicators of damage such as cracks, warping, or thread cutting. Any damage to the bobbin should be addressed immediately to prevent further damage to the sewing machine. If it is determined that the bobbin is damaged, it should be replaced with a new one.
8 pin bobbin application mostly centres around the textile industry. This is because it plays a significant role in making different types of fabrics. Also, in the industrial side of the industry, 8 pin bobbins are used to cater to the mass production side.
Aside from just the manufacturing part of the industry, there are several other uses of 8 pin bobbins. Below are some of them:
Knitting and Weaving:
In knitting and weaving machines, 8 pin bobbin threads are used as the foundation or support for stitches and weaves. They supply the required threads for the patterns to be formed, thereby, aiding the creation of quality fabrics.
Textile Repairs and Tailoring:
In the domain of textile repairs and even tailoring, the 8 pin bobbin thread is widely called upon. Its function entails providing the underlying support for stitches in embroidery and seam-making. The consistent stitch production is pivotal in rectifying fabric defects and enhancing apparel's structural integrity.
Industrial Sewing:
8 pin bobbin threads are used in sewing machines to serve as the underlying thread woven together by the upper thread to form stitches. These stitches are crucial in joining pieces of fabrics, reinforcing seams, and facilitating various textile-related operations. The reliability of industrial sewing operations heavily relies on the functional efficiency of the 8 pin bobbin thread.
Shoe manufacturing:
During the manufacturing process of shoes, 8 pin bobbin threads are utilized in several areas. They include the positioning of shoe uppers, the attaching of foam cushions and rubber soles, as well as the reinforcement of seams and joints. The strength and durability of the 8 pin bobbin thread aids in ensuring that the shoes can withstand daily wear and tear.
Carpet production:
In carpet production, 8 pin bobbin threads are commonly employed to secure carpet fibers and stabilize the structure of the carpet. They also form stitches and patterns on the carpet, which enhances the aesthetic appeal. Their operation in conferring strength and stability is crucial to the functional efficiency of the carpet.
Automobile industry:
In the automobile industry, 8 pin bobbin threads are used to sew interior trim, seat covers, airbags, and other components. The high strength and durability of the 8 pin bobbin thread ensure that the automobile can withstand the vibrations and stresses during driving.
Here are some things to consider when selecting 8 pin wiring bobbins.
Material
Determine the 8 pin transformer bobbin's material for the application. For example, thermoplastic materials like nylon66 can handle loads and give excellent electrical insulation. Ferrite or phenolic materials are more heat resistant. They may better remain in shape in high-temperature settings, but they provide decent electrical insulation.
Design
Check that the bobbin's design meets the specific requirements. The design may affect things like winding space, coil form, and wire arrangement. Choose a bobbin that optimizes these factors for the desired performance.
Size
Make sure the bobbin's size matches the application. It should fit the transformer or inductive component. A well-fitting bobbin can improve coil winding efficiency.
Cost
Consider the bobbin's cost. It should be within budget yet meet the necessary performance. A rarely-used, expensive bobbin might balloon a project's costs without adding significant value.
Order Amount
For a product line or large project, calculate the total order amount required for a cost-effective quantity discount.
Q1: Are 8 pin bobbin electrical components manufactured in compliance with international standards?
A1: A majority of 8 pin bobbins are made according to the ISO international standards. They have the ideal size and can fit perfectly into the required electrical components.
Q2: What materials are used to make 8 pin bobbins for transformers?
A2: 8 pin bobbins are made from a variety of materials, such as plastic, phenolic, epoxy, and others. They have high-temperature resistance, electrical insulation, and durability.
Q3: Can users get 8 pin bobbins in customized shapes and sizes?
A3: Yes, generally, 8 pin bobbins have a lot of customization options. Users can get them in the color, size, and shape they want. They can also request to print their logos on them.
Q4: Do 8 pin bobbins for relays come in different styles?
A4: Yes, 8 pin bobbins can have different styles. Besides the traditional round shape, they also have straight and oval styles. One can also get them with different pin configurations.
Q5: Do 8 pin bobbins for transformers come with additional features?
A5: Some 8 pin bobbins have extra features, such as locking mechanisms and multiple mounting options. These added features increase their functionality and versatility.
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