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About Wizcrafts

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    Leatherworker.net Regular

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    Burton, Michigan, USA
  • Interests
    Leather work, sewing and sewing machines

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  • Leatherwork Specialty
    Handgun holsters, tooled belts, custom made to order leather items, sewing patches onto bikers' vests, alterations, zipper replacements and repairs of leather goods.
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  1. Here is a short video explaining where you lower the feed dog on a Singer 111, or Consew 225.
  2. This article explains how to post photos on our forum.
  3. In leatherwork, we machine sew with either bonded nylon or bonded polyester thread. As Dwight mentioned, these threads are wound on plastic spools. They are usually sold in 4 ounce through 16 ounce put-ups. The thread must be on a thread stand and must feed straight up to an overhead thread eye that it goes through before going to the sewing machine. Spooled industrial thread is not meant to be fed sideways, like home/domestic thread is. Also, there must be enough distance between the top of the thread spool and the overhead eyelets to keep it from twisting over the top structure, or wire eyelet. I try for about 5 or 6 inches spacing when possible. If none of the spools you find are bonded thread, don't waste your money.
  4. First of all, what type of servo motor is installed on the machine? Does it go directly from the motor to the machine? Or, is there a speed reducer between them? In the early days of the CB4500 and Cobra Class 4 machines (e.g., 2011 - 2013), they all had digital servo motors with a readout display and push buttons to change functions. these motors started spinning at about 200 rpm. Sometime after that, they began to ship with analog servo motors featuring a simple knob to limit the top speed, plus a 3:1 speed reducer to triple the torque. My analog servo and speed reducer lets me sew so slowly that it's like watching grass grow if I just slightly engage the speed pedal.
  5. Is the top thread going through the take-up lever? Is the bobbin thread jammed? Is the tab on the bobbin case catching the top tread? If so, maybe the latch opener needs to pull back more on the bobbin case flange.
  6. The same thing happened to me a week ago on my long arm Singer walking foot machine. I dinked with this and that and couldn't figure out why the top thread was looping on the bottom of the work --- until I looked really close at the top thread path. That's when I finally noticed that the top thread was routed behind the tension disks instead of inside them!. If it can happen to me, it can happen to you. Check the thread at the tension disks. Disclosure: I had just rethreaded the machine with a different top color. I missed the tension disks because I must have been in a hurry.
  7. I'm pulling this out of my hat, which I'm not wearing right now. I do some hot foil embossing in my shop; just words and letters. The press embosses the leather before I add the colored foil. I usually give it two good presses first, then place the foil over the leather and press it for a second or so at 230 degrees. This transfers the gold, silver, brown, white, or black foil to the project. So, since laser engravers use heat to burn into leather, is it possible to dial down the power just enough so it can heat the foil to 230 degrees after you place it over the leather, in effect burning your design in, right through the embossing foil? It might require two passes. The first would have the power needed to burn the design into the leather. The second pass would be at reduced power to fuse the colored foil as an overlay. Thoughts?
  8. The take-up lever is still available from aftermarket companies and many industrial sewing machine dealers. Additionally, we have a long-time member who specializes in patchers and their parts. He is known as @shoepatcher
  9. LOL! This is a serger that sews thread over the edge of fabrics. It uses thin cotton or polyester thread. Its purpose is to keep the cut edges from unraveling. Sergers are used to sew pockets for jackets, vests, pants, shirts, as well as to protect the inside seam edges. Every dress and alterations shop has one. I have one in my shop to make pockets and to resew the borders on embroidered patches when they are thread bare in spots.
  10. @urlbee51 Please don't cross-post the same topic in different sections of the forum. This section is getting the answers you were seeking. I hid your other duplicate post.
  11. I've never seen a Cobra 26 up close. But, I'm confident that there is some eccentric adjustment to match the forward and reverse stitches. However, if it is anything like my Singer 211G156, matching the holes may reduce the maximum stitch length. In my case, my Singer could sew almost 4 to the inch if I unbalance the reverse stitches. With them balanced, I get 5 to the inch. If you plan on ordering this machine, or a Cowboy CB341 (from Toledo Industrial Sewing Machines), ask them to match the stitch length in the thickness you expect to sew most frequently. That way the machine will arrive pre-adjusted in both directions. The maximum stitch length will be what it is.
  12. Do you know that there are still replacement parts available for Union Lockstitch machines? I bought about $1000 worth of parts and accessories for my last ULS from Campbell-Randall, in 2011. Why don't you contact them and ask if they have any spare threaded hollow wax stripper bolts and the drilled rubber inserts? You might get lucky and be able to order just those parts, then drill and tap a standard Cowboy lube pot. They might be able to do the whole thing in their shop if they have a compatible wax pot.
  13. The SInger 45k25 is a bottom (drop) feed machine with a fixed position presser foot and needle. The feed dog on the bottom raises up and grabs the bottom of the leather and pushes it through for the next stitch. The teeth are fairly aggressive and will leave deep marks in the bottom if there is a grain side facing down. If you always sew with the flesh side down, those marks will be mostly invisible. The 45k can sew with up to #277 thread using a #25 leather point needle.
  14. My Singer 211G156 can sew with #138 thread, once in a while. Mostly, I keep #92 thread in it and use #19 or 20 needles. I got it to clear #138 thread by moving the hook assembly slightly away from the needle, then adjusting the latch opener lever that pulls the bobbin case back as the top thread goes under the tab that fits under the throat plate. If the pull back doesn't happen, the thread can jam in the tab.
  15. Ferdinand machinery has been out of business for a long time now. They often bought stock machines, removed original parts, and added their own custom parts to the inside of their machines. If the machine you're looking at has any mechanical issues that requires replacement parts, you might be in a bind. OTOH, it could be a diamond in the rough!
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