Thread Tensions On Multiple Machines

[piddler]

I seem to have the issues semi worked out on the 441 clone. I've uploaded a couple more pics. Does it look to you like the needle is still too big for what I am sewing? It's 277 thread with a 200 metric needle (if I can see it well enough)

Here is where I need your advise. You know I have the big 441 and the 2700 machine. In the first pictures I posted all that was sewn with the 2700 as it was just single layers of 8-9oz with the ostrich and pig lining. Now I'm going to be sewing it all together and that requires the bigger machine. In the future should I try to set up the 441 to sew all of it, or just use the 2 different machines? I have the stitch length pretty well matched but I can tell 2 different machines sewed it. What do y'all do?

[dirtclod]

The back side looks like you have the wrong type of needle or it's really dull to me. Are you using a leather point needle ? I use a 200 needle and 277 thread on top and 207 on the bottom and don't ever remember having the backside look like that all pouched out unless a needle was really dull.

[Red Cent]

Have you tried adjusting the stitches per inch? Seems awfully long. And the pictures show really long stitches in the corner. That usually happens if you turn the corner incorrectly.

On the 441, I would suggest turning the top tension (only) disc 1/4 turn tight. At a time then test.The thread has not enough tension to overcome the bobbin thread.

I use 277 poly on top and 207 poly on bottom with a 25 needle. I have almost no tension on either disc. Light bobbin tension.

Have you read the post from Massive on how to adjust the bobbin tension?

[piddler]

Ok, the good news is I finally seem to have gotten the tensions worked out on the 4100. Here are a few pics to show it:

But now, my old nemesis of the presser foot marking the leather is back. As you can see there is no adjustment left either on the top, or the banana slide adjustment at the rear of the machine. Any suggestions?

[Wizcrafts]

Take the feet to a machinist who has an industrial buffer and have him/her buff the bottom edges of the feet.

[piddler]

Thanks so much for the reply Wiz. Am I looking to just polish the bottom of the feet, or are you suggesting I actually remove a bit of the metal? These are the feet I am using:

[zoomer56]

How thick in inches is the work in your last picture? How much lift is available for the feet? I wonder, if it can not be adjusted anymore if you could fabricate something to allow more adjustment. I bet Wiz will have an answer.

[piddler]

That is just 2 layers of 9-10oz. I can get lots of height when lifting the feet, it's just while sewing that the feet don't rise very far. I have read all the Cobra, Techsew, tutorials but cant find anything that will allow further adjustment.

[piddler]

Heres a couple things done with the 4100...

[zoomer56]

Piddler . . . have you figured out how to sew without leaving foot tracks?