On second thought, don't use that machine to sew leather, unless it is garment leather about 3 to 4 ounces thick. That would cause smoke to come off the thread as it goes through leather and the needle will probably get stuck due to burning the thread inside the leather.
The machine is meant to be used at the rate of approximately 60 to 90 stitches per second for optimal distribution of oil. This can be done while winding bobbins, or before using it to actually sew, and in between projects. Make sure you run it at at least 2500 to 5000 rpm every time you sew or get ready to sew. Note, that because this machine has needle feed, meaning the needle moves backward and forward, any accessory feet you buy must have a centered slot, not a little round hole.Īlso, this machine contains an oil pump and must be run at a very high speed to circulate the oil properly. As long as your belts do not exceed 1/8 inch (3mm) and you use a roller equipped or a Teflon foot, it should sew them fine. Use round point for cloth and vinyl and leather point for leather. I can imagine it will have enough clearance to use #69 (T70) bonded thread and a #16 (100) or 18 (110) needle. You will probably end up changing the presser foot to a roller equipped foot to let leather move through it without dragging. This causes short and varying length stitches.
#Db2 b790 3 full
this hasnt been used for about 20 years but when stored was in full working. Increasing the foot pressure tends to cause the leather to drag under the standard flat steel foot. Brother DB2-B790-3 Industrial Sewing Machine.an old industrial sewing machine. If the leather lifts with the needle, you get skipped stitches. Industrial Brother Industrial Sewing Machine DB2-B790-3, Stand, Working Project: ssbb10 (4.95 of 5 points 3211 pos. Leather tend to be grabby on top and requires more pressure to hold it down than cloth and vinyl. My guess is that due to having needle feed, it will sew vinyl items and thin leather. It was designed for high speed sewing of fabrics, using thinner needle/thread combinations.
All I have found is that this is a Japanese built Brother needle feed machine.
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