Members cgleathercraft Posted September 11, 2015 Members Report Posted September 11, 2015 (edited) Seem to be having a tension problem when sewing approx 12oz. Some thicker stuff doesn't have much of an issue but does every once in a while. Top: Bottom: I also break the top thread every now an then. I've ran it slowly and it seems to be taking up too quickly and getting pinched between the bobbin housing on take up. I can get by with running it by hand but any faster than that will cause too much stress on the thread an pop it after a few stitches. Edited September 11, 2015 by cgleathercraft Quote http://www.cgleathercraft.com Member of the Iron Brigade.
dirtclod Posted September 12, 2015 Report Posted September 12, 2015 (edited) Search the internet for how to adjust sewing machine tension and it will explain how adjust your tension. Edited September 12, 2015 by dirtclod Quote I'm old enough to know that i don't know everything.
Members dikman Posted September 12, 2015 Members Report Posted September 12, 2015 Based on what I've gleaned thus far in my sewing machine journey, my first thoughts on seeing the bottom photo are - bobbin tension too high, upper tension too low or needle not big enough (hole not big enough to pull the bottom thread through). I'm curious to hear if my reasoning is right. Quote Machines wot I have - Singer 51W59; Singer 331K4; Seiko STH-8BLD; Pfaff 335; CB4500. Chinese shoe patcher; Singer 201K (old hand crank)
Members cgleathercraft Posted September 12, 2015 Author Members Report Posted September 12, 2015 Thread, needle, and awl sizes are all as recommended in the user manual. The bobbin tension is loose enough i fear the screw might work itself out while stitching. No luck yet...still playing around with it. Quote http://www.cgleathercraft.com Member of the Iron Brigade.
Members dikman Posted September 12, 2015 Members Report Posted September 12, 2015 Timing issue between the hook and the needle? Quote Machines wot I have - Singer 51W59; Singer 331K4; Seiko STH-8BLD; Pfaff 335; CB4500. Chinese shoe patcher; Singer 201K (old hand crank)
dirtclod Posted September 12, 2015 Report Posted September 12, 2015 If it is the timing it is super easy to check and set on a straight needel if you have manual. Do you have the bobbin thread pulled up under the tension spring arm? I sewed on a straight needle for years and most of my tension problems were because I had the top tension to tight. Quote I'm old enough to know that i don't know everything.
Members cgleathercraft Posted September 14, 2015 Author Members Report Posted September 14, 2015 I'm moving Wednesday so I'm putting my research on the issue on hold until at least the next weekend. If it's the timing it can't be too far off. I'm guessing the tension is messed up and causing the majority of the issues. once I get it set up an running again i'll dig into it some more. Quote http://www.cgleathercraft.com Member of the Iron Brigade.
Members dikman Posted September 14, 2015 Members Report Posted September 14, 2015 I suspect you're right about the tension being the problem. There's really no reason for the timing to go out unless something dramatic has happened. Quote Machines wot I have - Singer 51W59; Singer 331K4; Seiko STH-8BLD; Pfaff 335; CB4500. Chinese shoe patcher; Singer 201K (old hand crank)
Members cgleathercraft Posted October 1, 2015 Author Members Report Posted October 1, 2015 After moving i back the tension off all the way and made adjustments from there, As of right now i have it going through 16-20 oz total thickness pulling tight and looking good on both sides. Slowly pulled the tension in and adjust how deep to set the knot. All i needed to do. Now i just have to rewire the motor since the wiring came loose in transit Quote http://www.cgleathercraft.com Member of the Iron Brigade.
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