How to shir fabric with elastic thread on Piaf 1475 sewing machine

Question edited for clarity, 'make model which it is)' first 3 words.

Are you doing it right, elastic thread in the bobbin, cotton thread in the top, correctly tensioned and stitching spaced 1/2" apart.

Help in the link.

A Guide to Shirring

Seamwork https://www.seamwork.com > articles > a-guide-to-elas...
May 31, 2017 - Machine shirring involves sewing rows of stitching 1/2" apart while using elastic thread in the bobbin and all-purpose thread in the needle.

https://www.google.com/search?q=silver+197+sewing+machine+shirring+fabric

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Is the top (right side) thread getting caught up below the needle plate?

Likely you need to increase tension. The elastic will tend to grab the top thread so a higher tension may be necessary.

A larger diameter needle may help.

Tutorial SHIRRING How to Shir Fabric

Give Fabric Elasticity with These Shirring Tips for Beginners

Shirring Fabric Sewing Tutorial

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To seek a manual, search the internet for:
Manufacturer + Model + the word "Manual"

Be sure you hand-wind the bobbin with the elastic thread. You may also need to loosen the bobbin tension a bit if the elastic thread is stretching too much while stitching.

Shirring with Elastic Thread
Pretty Ditty Shirring tutorial
How to use elastic thread How to sew with Elastic thread
Tutorial shirring with elastic thread Made By Rae

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try these links for help

How to Create Elastic Shirring


Sewing Tip Shirring Smocking with Elastic Thread Make It and Love It


Pretty Ditty Shirring tutorial


http://www.made-by-rae.com/2013/08/tutorial-shirring-with-elastic-thread/

Have you wound the bobbin with the shiring under tension? you need the shirring elastic to be stretched somewhat as it goes onto the bobbin so that when stitched out, it relaxes and pulls the fabric up.

And yes, usually you need to tighten up the bobbin tension also to stretch the elastic some more.

The Ellure has a horizonal drop in bobbin so you will need to access this to adjust the tension. This may require unscrewing the two screws holding down the needle plate (metal flat plate you sew over). Take this off and now you'll see the bobbin holder area clearly. Look where the tension spring is, the little groove you pull the thread into when threading up. Is there a small dial just near this, about 7mm across? it will have a groove in the top and hopefully a + and - marking.

IMPORTANT: carefully make a note of where it is set now. Take a picture or write a little diagram down so you can get it back to normal setting. Use your little accessory screwdriver and carefully turn it one click to +, then test sew. YOu may need to turn it up 3 clicks to get the elastic stretched enough. Just make sure you know where to set the dial back to when you are done.

Also, remember you won't be able to shir heavy fabric, just light weight cottons work best.

I find that stitching lots of straight lines of shirring like you see tube bodice sundresses made in ready to wear is very hard, factories will have a machine that sews 20 rows at once. And getting enough gathers is trial and error with a domestic sewing machine.

Here's how I do it. Turn down top selvage edge of the fabric width you want to gather, turn down about 10mm and straight stitch around. Now on the wrong side with a sewing marker pen rule lines down from here across the fabric width spaced 1 cm apart. Now lie shirring elastic on these lines and stitch over it with a narrow zig zag stitch making sure not to catch the elastic with the needle. Start each sitching seam one cm from the raw edge of the fabric and finish the seam the same way.

Now I pull the elastic up from each side pulling all of them evenly until I"ve got it gathered enough. Now place right sides together and stitch the fabric into a tube catching the elastic ends in and securing them.

I hope this helps you out.

I hand wind the bobbin but use regular thread for my top thread and set my machine with the longest stitch length. I put my tension on 3, my friend uses 4 but I guess it depends on your machine.

you are doing it wrong, thread the machine top and bottom as normal, shirring elastic on your lap, select a small zig zag or pattern, sew and as you sew pull the shirring elastic taught, mif you wind the shirring elastic on the bobbin you will mess the tensions up.

Drop the bobbin with the elastic in the holder without feeding it through the holder, and enlarge the stitch length,

My machines has a shirring foot, so I don;t have the same machine. However, I do not think that elastic thread will work in the bobbin. Have you tried it the other way around? Do you have your manual?