Some of the following special sewing techniques may need to be used when sewing marine engine covers:
Multi-layer sewing:
As the marine engine cover needs to have certain abrasion resistance and strength, the fabric may be thicker and may need to be sewn in multiple layers. In this case, the presser foot pressure and thread tension of the sewing machine need to be adjusted appropriately to ensure that the needle passes smoothly through the multiple layers of fabric and that the stitching is even and firm.
For example, at the bottom of the protective cover where it comes into contact with the engine, multiple layers of sewing can be used to increase thickness and abrasion resistance.
Reinforced seams:
Reinforced seams are used in critical stress areas such as edges, corners and areas that may often be subject to pulling. This can be a double, triple or backstitch seam to enhance the durability of these areas.
For example, on the edges of the opening at the top of the protector, a double-thread seam is used to prevent tearing.
Waterproof stitching:
If the protective cover is required to be somewhat waterproof, waterproof stitching can be used. For example, apply a waterproof adhesive to the seams or use a special waterproof seam.
Elastic Seam:
If the fabric has a certain degree of elasticity, in order to ensure that the protective cover will not be deformed or ruptured due to the expansion and contraction of the fabric during use, it is necessary to adopt the elastic seam method, such as the use of elastic threads or the use of special sewing stitches, such as the zigzag stitch.
Patchwork seam:
If the size of the fabric is not enough and needs to be spliced, pay attention to the flatness and firmness of the splicing place. Flat seams can be used and then hemming can be done to prevent the seam from unraveling or fraying.
Invisible seam:
In some parts that need to be beautiful and do not affect the protective function, the invisible seam method can be used, so that the seam line is not exposed, to keep the appearance of the cover neat.
Curve Stitch:
Due to the irregular shape of the engine, curved stitching may be encountered. This requires skillful operation of the sewing machine to keep the stitches even and neat in the curved part.
In conclusion, when sewing marine engine protective cover, you need to flexibly utilize these special sewing techniques according to the characteristics of the fabric, the shape of the engine as well as the usage requirements of the protective cover, in order to ensure the quality and performance of the protective cover.