Question about Singer 8280 Mechanical Sewing Machine

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Tension is not right the backside of the material is very lose

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Check threading on top thread

Posted on Jun 18, 2009

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What am I doing wrong when the stitching on top of the material is ok and straight and the backside is knotting?


wrong bobbin tension , but amazingly its actually easier to adjust the top threads tension to compensate for it , use your tension knob to slowly adjust , try an inch , slowly adjust try an inch , and so on to get a top and bottom thread tension to match , this will need to be adjusted for each major change in fabric (aka , knits to woven )

Aug 17, 2016 | Sewing Machines

2 Answers

The bottom thread is real loopy. I have adjusted the top tension and it helps a bit but still to loose


Remove all the thread from your machine. Install a brand new needle. Raise the presser foot and re-thread the upper thread, making sure you are following the correct threading sequence. Confirm that the bobbin thread is threaded through the bobbincase properly. Now, perform another test stitch. Is the bobbin thread still looping?

If you have already tightened the upper thread tension and the bobbin tension is still too loose, then you may need to tighten the bobbin tension. First, mark with a permanent marker where the slash of the screw head meets the bobbin case. This will mark where the screw was originally set before you begin making adjustments and allows you to return the screw to that position should you need to.

Set the upper tension to the halfway point between the high & low number. This is what would normally be the standard.

Then gently turn the bobbin tension screw to the right 1/8th of a turn at a time. Then test. Keep adjusting until the bobbin thread tension is correct. The tensions are correct when the upper thread and the bobbin thread meet in the middle of the fabric.

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Nov 15, 2015 | Sewing Machines

1 Answer

How to set the tension


The carrier and bobbin are removed. Place the thread in the carrier with the thread dispensing counterclockwise. Place the thread between the metal pieces (tension). let the carrier hang from your finger and bob it slightly. It should extend one inch. If it doesn't then you can adjust it by turning the small screw slightly until it does what I said. Now, replace this assembly. The top tension you can start at three. The sewing should be an even pull between the upper and lower thread. If the thread knot is in the center of the material it is right. If the knot is under the material then raise the upper tension. If the knot is on the upper material then you should lower the upper tension. The key is to start with the bobbin tension correct and adjust the upper tension until the knot is in the center of the fabric

Oct 26, 2014 | Sewing Machines

1 Answer

Can't get Juki tension right


which tension is wrong
if thread is bunching up under material increase the tension of the needle thread if the bottom thread is loose then increase the bobbin thread tension
each thread result for above or below material will indicate which thread to alter the tension on

Jul 02, 2014 | Juki Sewing Machines

2 Answers

The bottom stitching looks like a line and not stitches the top stitching is fine


whether its bias or straight does not matter to machine. loosen the bobbin tension and put more tension on take up spring by inserting a screwdriver in the slot of the top thread tensioner. turn to right.

Dec 13, 2012 | Juki DDL8300N Sewing Machine

1 Answer

How do you adjust the tension


Tension is adjusted with the tension dial on the right side of your machine.You would adjust the tension to your comfort. Use a piece of material to practice on, and tighten or loosen your tension till your threads look just right. If they are to tight your material will bunch up, if they are to loose you will have thread loops or very loose threads. As you get to know your machine this will come to you as easy as driving a Model T Ford. GOOD LUCK.

Jul 24, 2011 | Singer 2732 Mechanical Sewing Machine

1 Answer

Gobbs of thread gather on backside of material, while front stitch is good...how do I correct this


Hi! Here are two things to check that generally cause problems like this:

1. Check that you're threading the machine correctly, especially the take-up lever.

2. It may be that you need to tighten the top tension. When the top tension is too loose, it'll cause big gobs of thread, like you say, on the back of the material. All this thread is actually top thread (not bobbin thread). (I recommend using different colored threads in your top thread and in your bobbin when you suspect tension problems.)

A couple of things to remember when you are adjusting the tension:
  • Always adjust the tension with the pressure foot DOWN.
  • Thread the machine with the pressure foot UP (so the thread can slip easily into the tension disks).
  • The higher the number on the dial, the tighter the tension.
  • Adjust in small increments. Stitch a few inches, check, adjust, stitch, check adjust--and repeat as needed.
I'm in the process of posting some photos about tension adjustments on www.robbiesews.blogspot.com. Check there later tonight and I should have them up.

Let me know if this helps, ok?


Robbie

Mar 10, 2010 | Singer 5050 Mechanical Sewing Machine

1 Answer

The thread is bunching underneath the material and the stitching is very loose


Usually that is due to insufficient upper tension OR a thread routing problem. Make sure when the presser is lowered that the upper tension activates. I think if one had really thick material the tension MIGHT not activate because the lever would not come down far enough.

Check that the needle is in right... usually the long groove is closest to the operator.

Jan 18, 2010 | Brother SE-270D Computerized Sewing...

1 Answer

Tension


You would do best with a heavy weight needle. You also might want to use Upholstery thread rather than normal weight thread. Depending on the machine, you probably need to change the tension. Some high end machines do this automatically. Your best bet is to try a test run on scrap material to get the right needle, stitch, thread combination. Good luck.

Dec 29, 2009 | Kenmore Sewing Machines

1 Answer

Tension not correct


Just set the tension on the bobbin casing but very little at a time, to much and you will never get it wright again. Then also try the tension at the top after adjusting the bobbin casings tension.

Mar 01, 2009 | Singer CE-200 Quantum Futura Computerized...

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