singer 107w102 stitch spacing adjustment question

[ddiuni]

singer 107w102 stitch spacing adjustment question

Singer 107w102 Stitch Interval Adjustment Inquiry
I wonder how I can adjust the stitch interval of singer 107w102.

Singer 107w102 Do I need to adjust the hook to make the stitch interval more than 14mm on the sewing machine?

I reviewed the sewing machine in detail and it seems that the hook needs to be scraped off with a grinder. I am asking if this is the right way to do it.

If the stitch interval is more than 14mm, the thread does not get caught..
(The needle does not get caught when the hook tip passes.)
- This is when the needle is at the left end.

Right end of the needle: The thread is caught well
When the needle is in the middle (center): The thread is caught well
When the needle is at the left end: The thread is not caught -> Reason: The hook tip passes through the needle eye and the thread is not caught.

-> So in order to make the hook tip hook when the needle is at the left end, the hook tip needs to be moved more counterclockwise
-> So the hook is turned more counterclockwise
-> At this time, when the needle is at the right end
: When the needle goes up, it hits the hook surface (the thread is caught well at the hook tip when the needle is at the left end)
-> However, since the needle tip and the hook surface hit each other as above, it doesn't work.
So should I grind down the hook surface with a grinder?

I wonder if you adjusted the touch gap by doing the above.

Based on what I've seen, it seems like you need to grind down the hook surface.
Is that right?

[Constabulary]

The machine is designed to make 1/2" throw - not 14mm. If you want to push it further than 1/2"  you probably (I guess) have to replace internal parts that govern the needle bar - IF such parts are available at all. Don´t know if there was an embroidery or ZZ machine in this class with a 14mm throw.

If it is not a parts problem you may look at the needle hook timing. Maybe this thread here helps:

https://leatherworker.net/forum/topic/79721-timing-a-zig-zag-machine/

I have acquired a 107w102 recently but havent yet touched or tested it.

 

 

Edited November 7 by Constabulary

[ddiuni]

1 hour ago, Constabulary said:

The machine is designed to make 1/2" throw - not 14mm. If you want to push it further than 1/2"  you probably (I guess) have to replace internal parts that govern the needle bar - IF such parts are available at all. Don´t know if there was an embroidery or ZZ machine in this class with a 14mm throw.

If it is not a parts problem you may look at the needle hook timing. Maybe this thread here helps:

https://leatherworker.net/forum/topic/79721-timing-a-zig-zag-machine/

I have acquired a 107w102 recently but havent yet touched or tested it.

 

 

Thank you for the link address with good information.
Originally, Singer 107w102 can stitch up to 12mm. However, when I watch videos uploaded by other people on YouTube, they modified this sewing machine to allow stitch spacing from 12mm to 16mm.
So I looked closely at the movement of the hook and needle.
Currently, the needle moves at 15mm intervals left and right, but when the needle is at the left end, the hook cannot thread. (Currently, my sewing machine can only do up to 10mm.)

[Constabulary]

There is a Facebook group for 107w embroidery machines maybe they know more.

https://www.facebook.com/groups/1981127628794141/?_rdr

[Northmount]

6 hours ago, ddiuni said:

singer 107w102 stitch spacing adjustment question

Even though this machine is not a leather sewing machine, I have moved your post to leather sewing machines as this is where the sewing machine guys hang out.  You'll get others comments.

[ddiuni]

On 11/7/2024 at 9:11 PM, Constabulary said:

There is a Facebook group for 107w embroidery machines maybe they know more.

https://www.facebook.com/groups/1981127628794141/?_rdr

I checked and it's private.
So I applied for membership but they didn't accept it.
In the end, it doesn't show up at all.