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About reservedthought

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  1. JUKI LU-562-3 questions

    Thanks so much for the photo reference! I guess I'll have to keep an eye out for these large pulleys. Would you happen to know if there is a standard bore diameter for your machines' handwheel/pulley? especially the JUKI, I'm not sure what mine is.
  2. JUKI LU-562-3 questions

    Thanks! That is certainly possible, I was tripping over myself watching the needle and take-up lever move while lifting the knee lift and guiding the material..
  3. JUKI LU-562-3 questions

    Thanks, I did order one of the cheap 45mm pulleys off eBay to replace the stock one that came with the motor. How did you replace your handwheel? Did you turn one, print one, or buy one?
  4. JUKI LU-562-3 questions

    Hi there, the archive from this forum regarding the JUKI LU-562 is amazing and I've learned a ton, special thanks to UWE's and Alexander Dyer's videos on youtube. First time posting, I apologize if this is in the wrong section. --- I'm setting up a JUKI LU-562 (subclass 3) for making things like bags and small accessories. I've so far... 1. Cleaned and installed the head 2. Removed the old clutch motor and installed a servo motor 3. Began to learn the details of thread, needle, and presser foot choice 4. Figured out thread tension/balance 5. Sewed some nice 1/4" coasters I've still got questions such as... 1. How to minimize leather marking by the feed dog during sewing. Can I file the teeth smoother? Will that affect the unison feed especially if I use smooth presser feet as well? There are two thumb screws on the top of the machine, apparently one is for adjusting inside presser feet pressure and the other... outside presser feet pressure? I'm not sure what those do really, the parts diagram just calls them "adjustment thumb screws".... 2. How to slow the machine further. Even on the lowest setting on the servo motor with a 75mm diameter pulley, it is difficult to get the 1 second per stitch or slower pace that I want/need to do accurate turns. I plan on making a speed reducer using some pillow block bearings ($7 on ebay), 45mm and 120mm pulleys ($10 on ebay), and 15mm cold rolled steel rod (~$20 budgeted). 3. Continuing on slowing the machine down, there is a sweet spot on the pedal which, if I reach quickly, can do a smooth 1s/stitch. However if I try to approach this sweet spot slowly, the motor stalls/or just hums and further pressure results in a quick jolt. I wonder if I can place a limit or block so that when I bottom out the pedal, it reaches this sweet spot consistently. Any suggestions for such a limiting device is needed! I'm thinking either a chain hooked to the pedal, or something underneath to act as a stop. 4. Timing turns well. If the leather is turned at the wrong time during the stitching cycle, it can result in loose stitches on the bottom side. Timing the pick-up of the thread with turning is difficult without hand-cranking... tips welcome. 5. I know there are probably a lot of users here looking at machines especially after hand-stitching a couple belts. What do you want to know about the process? Maybe I can help.