An overlock stitch is a type of stitch commonly found on serger machines, also known as overlock machines. These machines are specifically designed for creating overlock stitches, which are used to finish raw edges, prevent fraying, and create a professional-looking seam. While some traditional sewing machines may have an overlock stitch option, serger machines are the most common type of machine that features this stitch. **

Thread tension on an overlock machine works by controlling the amount of resistance the machine applies to the threads as they pass through the tension discs. By adjusting the tension settings, you can ensure that the threads are pulled evenly and securely, preventing loose stitches or puckering. Proper tension settings are crucial for achieving balanced and professional-looking seams on an overlock machine. It's important to adjust the tension for each thread individually to achieve the desired stitch quality. **

A needle break in an overlock machine occurs when one of the needles used for stitching breaks during the sewing process. This can happen due to various reasons such as using the wrong type of needle, sewing over thick seams or fabrics, or a mechanical issue with the machine. When a needle breaks, it can cause the machine to stop working and may also damage the fabric being sewn. It is important to regularly check and maintain the needles in an overlock machine to prevent needle breaks and ensure smooth sewing operations. **

Yes, a serger/overlock machine can also make simple seams. In fact, one of the primary functions of a serger is to create neat and professional-looking seams on fabric. The machine trims the fabric edges and finishes them with an overlock stitch, which not only prevents fraying but also creates a clean and durable seam. Additionally, many sergers have the capability to sew a basic straight stitch, allowing them to be used for simple seam sewing as well. **

An overlock machine and a serger machine are essentially the same type of machine, but the terminology varies depending on the region. In the United States, the machine is commonly referred to as a serger, while in other parts of the world, it is called an overlock machine. Both machines are used to finish the edges of fabric to prevent fraying and create a professional-looking seam. They can also be used to sew, trim, and overcast all in one step. Overall, there is no significant difference between the two machines in terms of function and capabilities. **

The thread tension on an overlock machine works by controlling the amount of tension applied to the upper and lower looper threads. By adjusting the tension settings, you can ensure that the threads are pulled evenly and smoothly through the machine, resulting in a balanced and neat stitch. Proper tension settings are crucial for achieving a professional finish on your overlocked seams. **

To thread the Calanda Overlock 791 sewing machine, start by raising the presser foot and lifting the needle to its highest position. Then, place the thread spools on the machine's spool pins and follow the threading guide on the machine, which will show you the correct path for the threads. Make sure to thread the upper looper, lower looper, and needles in the correct order, and use the threading lever to help guide the threads through the machine. Finally, pull the threads under the presser foot and towards the back of the machine, and you should be ready to start sewing. **

Beginners who have used the Gritzner 788 overlock machine have reported positive experiences overall. They have found the machine easy to set up and use, with clear instructions provided in the manual. Users have also praised the machine for its smooth and efficient operation, producing neat and professional-looking finished seams. Additionally, beginners have appreciated the machine's durability and reliability, making it a great choice for those new to overlocking. **