Sewing Machine Thread Bunching On Bottom Of Fabric: Why?

sewing machine thread bunching on bottom of fabricWorking with a sewing machine is not an easy task. As a beginner, you must first understand the anatomy of the sewing machine. Every part has its purpose, and all of them have interconnection with one another. The process of sewing a fabric cannot be learned in a day or two. It requires ample time to understand the underlying patterns of the craft. Excellence is achieved only with patience and regular practice.

While learning to sew, one should also be aware of the common mistakes that the user commits. Unless a significant breakdown occurs with the machine, simple quick-fix ideas can solve the problem quickly. It is not necessary to ask for professional help every time. Theoretically, a lot of tips are available. One of the common issues faced by every user is sewing machine thread bunching on the bottom of the fabric.

Reasons for Entangling of Threads

bobbinUndivided attention and concentration are a must while working on a sewing project. The device may stop working at any moment during work. There can be various reasons like jammed handwheel, broken needles, improper bobbin tension, to name a few. However, sewing machine thread bunching on the bottom of the fabric is one of the frequent issues to face.

Whenever the sewing machine is not operating, it is essential to analyze the reason. There can be entangling of the thread due to the following elements of the sewing machine:


If the thread is not winded smoothly in the bobbin, there can be a thread entangling issue. While sewing, while pulling the thread, it bunches up below the fabric and makes it difficult to move forward. The bobbin may be out of its position.


If the thread in the needle has insertion issues, it will start entangling as soon as you begin to sew. It mostly occurs while pulling the thread improperly from the spool and insertion of thread takes place without involving the upper-thread

presser footPresser Foot

While starting to sew, the presser foot must face a downward direction. If it faces upward, the entire mechanism is disturbed, and threads start twisting with each other.


Irregular oiling makes the machine stiff. Thus, while working, the machine requires too much pressure to operate and result in leaped or tangled stitches.

Accumulation of Lint

An unclean machine will provide the desired results. With continuous use, dust, or small pieces of cut fibers and get accumulated in the corners of the sewing device when such blockage occurs under the throat plate that lies under the needle and the presser foot.

Possible Ways to Stop Bunching of Thread

Identify the significant cause of a thread assembling; it needs to be solved as well. These above reasons are not only faced by beginners but by professional sewers and able ones as well. As a beginner, you may want to call an expert, but if you are a matured dressmaker, solving this issue is not a problem. Below are few remedies for solving bunching of thread in the middle of sewing.

  • Release the tension of the bobbin if it is in a compact state. Lose it up in parts and try sewing again.
  • If the bobbin has a displacement of its position, replace it with a fresh one.
  • Open up the thread in the bobbin and turn it around the bobbin again. Put it along with the upper thread.
  • Use the correct bobbin of the respective sewing machine. Bobbin case and bobbin are not the exact sizes for every device. You must ensure that you are using the right one.
  • Pull a considerable length of thread from the bobbin and an upper thread before beginning to sew.
  • Hold the thread with one hand while stitching on a machine. It will prevent the thread from getting stuck and will function smoothly.
  • Leave some space from the edge and then start sewing. If not, the threads easily get jammed under the cloth.
  • Before using these techniques to resolve sewing machine thread bunching on the bottom of the fabric, use a scissor or a seam cutter to remove the tangled bunch of yarn without spoiling the fabric.

These practical measures will help in solving the issue of thread bunching while between projects. Restart sewing after resolving the issue. In case, the tangling of thread continues, ask for help from a professional. Learn the method from an experienced user for self-help soon.

Prevention Tips

sewing machine oil

  • For avoiding this minute but frustrating issue, keep a regular check on the machine. An annual servicing will prevent the device from ruining the sewing fabric.
  • With prolonged use, as there occurs accumulation of lint, remember to clean. Small pieces of fibers block the machine, and it stops functioning.
  • It is also necessary to avoid dirt and dust from compiling in the machine. While regular cleaning, do not miss the corners.
  • Regular oiling can save the machine from getting stiff and hard to operate.
  • At the time of purchase, a user manual accompanies every machine. Keep the manual safe and handy. You never know when you might need it. Every user manual addresses the fundamental issues that a user may face and how to get rid of them. For an instant solution, one can look into the manual and act accordingly.
  • An old sewing machine will come up with more obstacles than a new one. Instead of purchasing a new one, you may also look for second-hand machines for your everyday use. Old devices are more prone to problems.
  • Annual maintenance of the machine is a must by a professional to sustain the machine’s operational use and increase its longevity.

Sewing Machine Thread Bunching on Bottom of Fabric: Final Thoughts

While working with any mechanical device, problems and issues are inevitable. But what is necessary is to act promptly to mitigate the same. Solving every problem is a new experience for the user. With proper usage and maintenance of the machine, the journey of sewing can be an everlasting one.

One should not get demoralized while facing such issues; instead, take the required steps to solve it. Thus, grab your machine and all other supplies and create wonders. Sewing is one of the most creative arts one can indulge in.

nancy jenkins from get sew

Nancy Jenkins

Nancy is a retired seamstress who loves everything about crafting and sewing. When she is not at her sewing machine, you'll find her coming up with new patterns and designs for her sewing projects. Nancy likes the outdoors, meeting with friends, and cooking.