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.stl files are 3 dimensional files for 3d printers and lasers only do 2 dimensional.

I just went through this exact thing. See my thread here and what I landed on

I really didn't like how tight the belt was with this setup so I needed to either get a longer belt or a smaller pulley. I wasn't able to find a pulley with a 12mm shaft and 50mm in diameter or really anything close to that so I got one of these 2" and 1/2" shaft..... https://www.amazon.com/gp/product/B00004RAO8/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 With a 1/2" bore it is .7mm larger than 12mm. If the pulley is centered than that's .35mm on each side. I simply put the pulley on the shaft and tightened the set screw not on the keyway area. I had thought of shimming with a cut up soda can since they are really thin, but the amount of runout is not even visible to the eye so I called it good. I also thought I might have to drill and tap in a second setscrew but so far I don't think it's needed. Since this pulley is designed for a 1/2" V belt, the 3/8" stock belt sinks down in the pulley a bit effectively making it closer to a 1.5-1.75" pulley. With this pulley installed, the belt had some slack in it and I was able to move the motor back a touch to get just the right tension. The Consew also sews a touch slower now which is always a good thing I think. It's not a drastic change but noticeable. All in all I am very pleased with the results Hope this info can help someone else out.

What is the shaft size on the Familysew motors?

My Consew project turned out to be a success. With the 6" pulley on the handwheel and the Sewquiet brushless motor installed it has slowed down to one stitch a second. The motor is set on 5, which is the slowest setting for this motor. The 6" Grizzly pulley I bought takes a 1/2" belt so the 3/8 stock belt sits down in the groove effectively reducing the diameter to 5 1/2" or so. The Sewquiet aluminum pulley is 60mm and the belt fits it fine. Shaft size on the motor is 12mm and It has a 3mm keyway. I might look more for a 50mm/2" 1/2" pulley with this shaft size but I haven't found one yet. Would be a good thing to get a 1/2" belt on it and with the motor fully retracted the belt is now a bit snug. As it is, it walks through 3/8" of hard Veg Tan leather like it was butter. No hesitations, no grunts, and no odd noises at all it just goes about it's business. I haven't done anything but test sewing on it yet but my wife couldn't wait to do some! The machine is still sitting in the garage and she was out there sewing up some leather purses that were giving her high end quilting machines trouble as they were just too thick to sew. The Consew sewed them easily and she had a big grin on her face. Very pleased with the results!

I wish they made more airsoft replicas... I have a few but there's not many available. Lookin' good btw

The 4500 is $2600! Or, if you can provide a link for $1500 I will buy one! https://www.tolindsewmach.com/cb4500.html

Ouch!

Thanks!

Here's a few things I have made.... coasters, bamboo cutting board, and a couple ceramic tiles. Tiles are white tile painted black then lasered.

LOL No worries

If you guys have facebook, check out the group- 'That dude with a laser' There's lots of good info on laser engraving on there. My laser has the Ruida controller and I use Lightburn. Great program. There's a free trial of it if you want to check it out. $80 US to buy but its worth it I think. I do most of my dxf editing in it. If you only want to convert to black and white check out Gimp - https://www.gimp.org/ It's free and open source. Been using that for years. I also use Corel Draw and Paint shop pro for editing. Inkscape is another for vector work.

? The one I ordered is the sewquiet. The switch and buttons are on the motor. Which one were you referring to?

I engrave leather and cut it too but for a makers mark, I would suggest getting some cast acrylic. Engrave your design into it and it will stamp wet leather nicely. Do it all the time and I use a 1/2 ton arbor press for the stamping process. Harbor Freight cheapie works fine. You can make up any stamps you like. Just keep engraving it till the design is 3/16 or so and you will be good. Once you get your settings down it can be done in one pass. I find it best if the acrylic is 1/2" thick for strength but you can glue 2 - 1/4" together to get the thickness and 1/4 is much easier to cut. I have a 50 watt co2. Probably won't work so good on thin chrome tan but works wonders on veg. Brain cells? I knew I had some around here somewhere.... let me check

So I joined this forum a couple years ago and have been browsing around ever since. I just recently started posting due to needing some advice on a sewing machine I bought used. Here I am anyway so I thought I would say hey.... I mostly make holsters but make wallets and bags along with a few other items. Here's my website if you wanna take a peek - https://lakeshoreleather.com/ Until recently all my sewing has been done by hand. This sewing machine deal is interesting but I don't know if it will catch on cheers!

Me thinks that MMO is the least of the FD's worries :-)

I've been using that stuff for ever. I buy it in gallons. If I recall it started out as a sewing machine oil back in the day and has evolved since then. I know they say it was designed for carbs but I think that's incorrect. Great for freeing up a seized engine among lots of other things. See the second post here https://www.jalopyjournal.com/forum/threads/o-t-wd-40-story.162060/

I've been through all of the adjustments. I found the scarf height off when the foot lifts as described in the maintenance video. Getting that set right helped on F/R but not completely. Everything else was right on the money except the F/R length variance. Still trying to get my head around the regulator adjustment. Seems there are 2 versions of the 206RB-4. Figures right? Going to tinker some more today with it. If I can get that set correctly the machine will be done and ready to go. I haven't wanted to run mine much as its dry and my oil hasn't come in. Should be here today. I was going to use Marvel Mystery Oil but decided to wait and get the proper stuff. I am hoping this info will be the answer. See the 9th post down by wetcoaserider Edit- I see you posted in that thread so you are familiar with it.... There has to be an answer.

This one comes with a 60mm so in between..... 2.36"....we'll see. I didn't care much for the switch position but I went for function over form. I can always remote the switch.

After much consideration, research, and communications I ordered these: Servo https://www.amazon.com/gp/product/B00ZIYZYAY/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Pulley for the handwheel https://www.amazon.com/gp/product/B0000DD41M/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 If I need to I will install a speed reducer but I think this may get me to an acceptable state. Thanks everyone for your input! I will post back with the results.

If he is incorrect, how do we fix the trouble?

I found one, but with an odd name https://www.amazon.com/Mophorn-CS1000-Machine-4500RPM-Industrial/dp/B07HFTMR8Z/ref=sr_1_1?keywords=cs1000+servo&qid=1559525019&s=gateway&sr=8-1 Edit- And another.... not sure about these brand names ya know? https://www.ebay.com/itm/Eagle-EA-550-Brushless-Sewing-Machine-Servo-Motor-W-Needle-Positioner-550-Watts/401551596108?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

Thanks for the reply! I have yet to find a csm1000 with 4 buttons and 4 place display. Where did you find that?

I don't confuse easily Do you have a setup like I described with no speed reducer inline and only the 2 pulley changes on a digital (push button) brushless motor? I'm sure that's not one that gives the 2.5 second stitches.... but does it do one second with torque if you do? Regarding this Family Sew servo motor, I have read where it performs well at start up and then in another post its lacking torque at startup. Don't quite know what to make of it all without buying and trying. That can get costly. I have spent many hours researching this with no clear answer but it is what it is I guess.

So how does this sound... 206rb4, Family sew servo, 2" motor pulley, change the hand wheel to a 5" pulley. I will tinker with the clutch motor first. Have a couple ideas which include extending the lever on the motor.