Want to slow down the motor someway for better control. the motor is under the table the machine sits on and is connected by a rubber belt
SOURCE: Tacsew T500 : Needle continually comes unthreaded
No this machine does not use a bobbin. I just purchased one too and called the supplier to help me keep mine threaded. He said they do not take much tension at all. So check your tension and then when threading it, make sure your thread goes under the bar in the center of the tension disk, not on top of.
Good luck, once you get it going it does a beautiful job!!!! Love it, Love it!
SOURCE: tacsew lu-563 sewing machine
Generally going to have to be addressing the drive motor, either substituting a lower speed clutch motor for the existing one, ie if you have 3000 rpm motor, then going to a 1725 rpm motor. Alternatively, selling the clutch motor and buying a servo motor instead, which should be available with a variable maximum speed control. The Sewquiet 4000 can select different speed ranges with the flick of a switch. If you already have a servo motor and it does not have a variable max speed, then switching the drive pulley on the servo motor to a smaller size should help
A more convoluted solution would be building a support under the table for a layshaft with different pulley sizes so that the motor could drive one pulley and then a smaller pulley on the shaft would drive the sewing machine. Not a bolt on solution but pretty cheap to do if you are good at fabricating.
SOURCE: How do you slow down the running speed? Is there a
Techsews are industrial sewing machines. Check out http://shop.raphaelsewing.com, especially their web blog. It's full of great information on Techsew machines.
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