
kgg
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Everything posted by kgg
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Thank you. I do a fair bit of 3d for all my machines as that is also another hobby of mine. All machines due have their place but.... kgg
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Looking for a good middle weight machine
kgg replied to Michael Sheldon's topic in Leather Sewing Machines
Thanks, today the replacement model is a Cowboy CB2500. kgg -
More then likely as nylon is stiffer particularly in darker colors with black be more so. What size of needle are you using and what is the thickness you are sewing. kgg
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Looking for a good middle weight machine
kgg replied to Michael Sheldon's topic in Leather Sewing Machines
I am not familiar with and couldn't find a photo / spec of the Cowboy Model 5. Do you have a photo? kgg -
The thread spool is the blue thing just to the left and under the red scissor scissors holder at the rear. kgg
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Yes I moved the tensioners and the second tensioner I use for the bobbin winder. kgg
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This is made with a fur / sheepskin sewing machine. Example: finished seam at 2:10 mark kgg
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Thank you for posting the link. kgg
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I think you should move up a needle size as the top thread loop isn't being properly formed and the hook is not catching it. Sometimes you need to move up a size or two depending on the how thick / tough / sticky the material is. A good chart for thread size to needle size: https://www.tolindsewmach.com/thread-chart.html I do have a question why are you not using the same size of thread in the bobbin as the top thread?? kgg
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This what my "Tinkers Delight" looks like with 1) front and back side light attachment 2) Presser foot position indicator 3) folding table top attachment 4) adjustable and removable front arm support 5) rear 1 lb thread cone support 6) scissors holder 7) thread guide and the list goes on. Tinker On kgg
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That is smart as the "Tinkers Delight" I have is actually the second one from Amazon as the first one arrived as a box of broken / cracked pieces of Chinese cast iron. kgg
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If you mean the copper or brass rivets with burrs I use a dremel to grind the shaft off so the shaft of the rivet is below the burr but doing it slowly so as not to over heat the rivet or burr which would damage the leather. If you mean the double or single cap rivets I just wedge a screwdriver under the small cap end and pop it off the rivets shaft. kgg
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- how to remove rivets
- rivet removale
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The 135 x 16 or 17 needles will fit in the needle bar. This a fairly simple tinkering task of raising the needle bar up by about 5mm. That is about the length difference between the domestic needles that come with the machine and the system 135 needles. This is done by slacking the existing clevis attachment at the top of the needle bar and sliding the needle bar up. Just make sure you can just barely feel the tip of the needle at it's lowest point in the downward cycle on the bottom side of the cylinder arm. kgg
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Yes the faster the slotted disc rotates the more it acts like a solid disc. kgg
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I would suggest you consider something like a cylinder bed machine like Juki LS-341 or LS-1341 or clone with a table top attachment. The flatbed machines are good for wallets / belts but the bags are probably better done on cylinder bed. Having a cylinder bed machine with a table top attachment would cover all the bases. kgg
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The constants you have as I understand them: 1. the size of the motor pulley for set 1 pulley is 2" 2. the size of the handwheel for set 2 pulleys and you want to use a 5" large pulley 3. the speed of the motor max to be 350 4. the rpm of the set 2 pulley to be 30 when sewing around corners What I would suggest according to the calculator to get 30 rpm is 1. set 1 small pulley 2" (motor pulley) with a 5" large pulley and set 2 would be a 1.5 small pulley alongside the 5" on the same shaft giving the handwheel a speed of 30 rpm with 150 rpm on the motor When you increase your motor speed up to 350 rpm (max setting) by fully depressing the foot pedal the handwheel rpm would be 70. The pulley alongside the 5" pulley has to be smaller then the handwheel pulley. kgg
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Juki LU-563 needle / presser foot alignment
kgg replied to SewMuchToLearn's topic in Leather Sewing Machines
Slack the bolt holding the center presser foot to the shaft then move the presser foot so it lines up allowing the needle to be in the center of the presser foot hole and then retighten it on the shaft. kgg -
Those machines are for the true tinkers. I have one of those "Tinkers Delights " and it has given many hours of pleasurable tinkering or hours of pure frustration depending on how you look at it. Save your money and get one of the one armed bandits from Cowboy, Weaver or Tippmann if you want a hand operated machine that will do holsters without pre punching the thread holes. kgg
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Juki LU-563 needle / presser foot alignment
kgg replied to SewMuchToLearn's topic in Leather Sewing Machines
The center pressor foot needs to be centered by slacking the nut which holds it in place on the shaft. Here is a good needle to thread size chart that will help you. ( https://www.tolindsewmach.com/thread-chart.html ) The suggested needle size for a thread size will need to be upped a size when in thicker tougher material, I would personally suggest using a #18 needle for V69. You may will find that you will have to change to V92 or greater with a larger needle to help reduce needle deflection / strikes in thicker / tougher leather. kgg -
Just my thoughts. What are you planning on making as a flatbed may not be the proper or best machine for your needs/wants. Also what is your budget. kgg
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If it was a Juki 563 that would be roughly the price to be expected for a used one over here in Ontario, Canada. They tend to range from $500 to $1000 depending on condition. For a well used clone I wouldn't pay anywhere near that amount. If it was in the $350 mark, maybe but you have to be prepared for those little unexpected potentially expensive problems. Since this is your first machine I would suggest you go to one of the dealers / repair shops and there a few in the Montreal area to get a machine that has been gone over and in working order. kgg
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Proves "Necessity is the mother of invention". That is definitely a KISS approach. That piece of rubber was probably left over from retreading a truck tire, waste not want not. Thanks for sharing. kgg
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I think you were brewing them for a while and at least they were the smooth ones not the star shaped ones. The main thing is how slow do you want to go and what you are going to set the rpm of the servo motor too. So you will have to play with the pulley sizes on the calculator as well as the rpm of the servo motor. kgg
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That is never good, I know first hand that birthing process. Take it easy for few days. kgg
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Help choosing a cylinder arm machine
kgg replied to SandyinAnaheim's topic in Leather Sewing Machines
You may have to expand you search radius. kgg