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TheRobertRalph

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Posts posted by TheRobertRalph

  1. Posted · Report reply

    On 11/23/2022 at 11:36 AM, kgg said:

    The 135x 17 needles are in a nut shell made to separate the fibers of the fabric while a leather point is made to slice / cut through leather. I would suggest depending on how thick and tough the leather is using a #18 or #20 needle. For the price get some of each. A good link is Wawak.com : https://www.wawak.com/sewing/needles/industrial-machine/schmetz-leather-industrial-machine-needles-135x16-tri-dpx16-d-10pack/#sku=smnl135118

    I early on converted to Schmetz and only use Schmetz needles in all my machine with excellent results. I replace my needles when they have about 8 hours of sewing time on them or when I find they are getting dull whichever comes first.

    kgg

     

    Thank you for that great info!! I have ordered the needles you suggested. I also got other similar ones from Amazon asap. 

    Anyhow, with the new needle, I am able to set the first stitch but then the subsequent ones don't grab the bobbin thread. Is there any first things that I should check to see why this is?

    I appreicate the help in advance. 

    Just now, TheRobertRalph said:

    Thank you for that great info!! I have ordered the needles you suggested. I also got other similar ones from Amazon asap. 

    Anyhow, with the new needle, I am able to set the first stitch but then the subsequent ones don't grab the bobbin thread. Is there any first things that I should check to see why this is?

    I appreicate the help in advance. 

    Oh, incidentally, if I sew thinner material, like a flannel shirt scrap, it catches the bobbin.... Very curious to me. 

  2. Posted · Report reply

    On 11/21/2022 at 7:05 PM, kgg said:

    The links to the machine or thread didn't work for me but when I tracked them back the machine is a clone of the old Singer 29K maybe a 29k- 70. When sites that cater to the domestic user say "upholstery or heavy duty"  they usual are referring to V69 thread. The needle you are using 135 x 17 size 18/110 will work with V46 in thicker material or V69 thread in thinner / tougher material. The 1/4" thickness of your leather is near or at the top sewing limit capacity of the machine. The needles 135 x 17 needles are for sewing fabric and the one that came with the machine probably isn't the best quality.

    My suggestion would be to change the needle to a leather 135 X 16 needle and either a size 18 or 19 and a brand name like Schmetz needles for V69 thread that you are using.

    A good needle size to thread size chart would be: www.tolindsewmach.com/thread-chart.html

    kgg

    Thank you! Those are great suggestions. I'm trying to understand the needle sizes more. There are 135x17 #18 needles widely available but the 135x16 #18 is harder to find. What is the difference? I know it is a noob question.

    I am excited to change needles and see what happens. I have some of these that I was going to try but they are 135x17 #18: https://www.amazon.com/gp/product/B00JV6GQUC

  3. Posted · Report reply

    On 11/21/2022 at 6:55 AM, TheRobertRalph said:

    I have a leather shoe patcher machine that I just bought. I'm sewing leather I had made from one of my bulls I slaughtered. 

    My issue is that the thread keeps breaking. The needle punches the leather just fine and it'll lock a few stitches in but then breaks. 

    What is the first thing to look for? Wrong needle, maybe? 

     

    Leather thickness = 2/8"

    Machine: https://www.walmart.com/ip/Anqidi-11-8-Manual-Patch-Leather-Sewing-Machine-DIY-Cobbler-Shoe-Repair-Boot-Patcher-Industrial-Stitching-Machine/420734277

    Thread: https://www.michaels.com/coats-and-clark-extra-strong-upholstery-thread/M10212112.html

    Needle: DPx17 - 135x17 - 18/110 (came with the machine)

     

    I'm not an expert but the tension seems to be adjusted fine. 

     

    For what it is worth, here is the portion of the manual that refers to needles. 

    Needles 20221123_070319.jpg

    On 11/21/2022 at 5:21 PM, ljk said:

    I like this machine it will sew 138 thread with a 135/16 /23 needle. The foot can be moved. it has needle timing and hook timing.  That's the good stuff The bad rough finish on hook and shuttle needs polishing.  Lot of these machines need work, however with couple of hours  it will sew.  Go to facebook chinese shoe patcher and read the files and post.

    That gives me hope it'll work. Thank you for the needle and thread information. 

  5. Posted · Report reply

    I have a leather shoe patcher machine that I just bought. I'm sewing leather I had made from one of my bulls I slaughtered. 

    My issue is that the thread keeps breaking. The needle punches the leather just fine and it'll lock a few stitches in but then breaks. 

    What is the first thing to look for? Wrong needle, maybe? 

     

    Leather thickness = 2/8"

    Machine: https://www.walmart.com/ip/Anqidi-11-8-Manual-Patch-Leather-Sewing-Machine-DIY-Cobbler-Shoe-Repair-Boot-Patcher-Industrial-Stitching-Machine/420734277

    Thread: https://www.michaels.com/coats-and-clark-extra-strong-upholstery-thread/M10212112.html

    Needle: DPx17 - 135x17 - 18/110 (came with the machine)

     

    I'm not an expert but the tension seems to be adjusted fine. 

     

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