stelmackr Posted January 20, 2013 Report Posted January 20, 2013 Don't know how to really ask this question, so here goes. I have three sewing machines FERDCO Pro 2000 (a.k.a Juki-441), FERDCO 1245 (a.k.a. Pfaff 1245) and a FERDCO Pro 206h (a.k.a. Consew 206). They all have analog (non-digital) speed setting servo motors. Two of the machines (2000 & 206h) stitch when the pedal is pressed on the toe and stop when the pedal is depressed on the heel of the pedal. When the pedal is not depressed the servo motor stops me from using the hand wheel. The same "locking" of the hand wheel occurs even when the servo motor is turned off. I have to depress the pedal slightly on the toe side to make the hand wheel turn freely. If depress too far--it starts sewing. I was told that this is the way the servo's were designed and mimic the old clutch motors. I am no expert, so I might be wrong here. But, the third machine (1245) does not lock the hand wheel when I step on the heel of the pedal or when the servo is off. I like this functionality. OK, OK, now the question(s): "Is there a place to purchase servo motors without the brake action? Can the servo motor be modified or adjusted to remove the brake action? Do digital servo motors have the brake action and can that brake action be removed? Can the brake function be removed buy some mechanical linkage adjustment?" Bob Stelmack www.pslac.org Quote Bob Stelmack Desert Leathercraft LLC Former Editor of the, RawHide Gazette, for the Puget Sound Leather Artisans Co-Op, 25 years of doing it was enough...
Members billymac814 Posted January 20, 2013 Members Report Posted January 20, 2013 Bob, I was going to ask this same question. I hate the brake. I have 3 servos and only one has the brake and its on my patcher which I hand wheel a lot. I have a Sewpro 500gr on my Consew and I think it has some sort of brake but it doesn't stop me from hand wheeling it and the motor on my Cowboy 4500 has a digital one that allows me to handwheel it. All were purchased from Bob at Toledo so he definately has ones without it. I have asked him if there was a way to deactivate it and he didn't seem to know or possibly forgot to answer as I probably asked 5 other questions on the same email. Unfortunately for me the Patcher is the one I really don't want the brake one because some times I'm sewing akward things like luggage and it makes it very difficult to even get to the pedal to depress it a little bit to release it and other times its just easier to handwheel it for a few stitches. I would love to know how to deactivate it, I haven't found the time to take it off and tear into it although I'd have to bet there's a way. Quote www.mccabescustomleather.com
Moderator Wizcrafts Posted January 20, 2013 Moderator Report Posted January 20, 2013 I have opened one of my SewPro 500 (Now Toledo Sew Slow) servo motors and adjusted the mechanical brake. I'm fairly sure one could set it for more free play than normal. I also have a Family Sew servo and it has an actual cork-something brake that gets screwed into an actuator frame. I believe that the brake can be either adjusted outward, or removed. Don't quote me on this, because I haven't opened that motor up yet. Quote Posted IMHO, by Wiz My current crop of sewing machines: Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.
Members billymac814 Posted January 20, 2013 Members Report Posted January 20, 2013 Wiz, I have a Family servo on my patcher, this is the one I really don't want the brake on. Model number is FESM-550s. I may have to have a closer look at it. Do you think this could be done without removing the motor? I have opened one of my SewPro 500 (Now Toledo Sew Slow) servo motors and adjusted the mechanical brake. I'm fairly sure one could set it for more free play than normal. I also have a Family Sew servo and it has an actual cork-something brake that gets screwed into an actuator frame. I believe that the brake can be either adjusted outward, or removed. Don't quote me on this, because I haven't opened that motor up yet. Nevermind. You're 100% correct. Ill post pictures in a bit. Quote www.mccabescustomleather.com
Members billymac814 Posted January 20, 2013 Members Report Posted January 20, 2013 Ok this took all of 5 minutes. I removed the end cap on the motor, there was three screws holding it on. This exposes a wheel and you can see in the pictures there's a cork brake pad. There's 2 screws holding it on. I didn't bother to try to adjust it as its directly on the arm that activates the motor. Ill report back if this causes any negatives but I doubt it will. Quote www.mccabescustomleather.com
CowboyBob Posted January 20, 2013 Report Posted January 20, 2013 (edited) Billy, No,it won't hurt a thing other than if your going fast & want to stop you'll have to remember to slow down when you get to the end of your stitching. Edited January 20, 2013 by CowboyBob Quote Bob Kovar Toledo Industrial Sewing Machine Sales Ltd. 3631 Marine Rd Toledo,Ohio 43609 1-866-362-7397
stelmackr Posted January 21, 2013 Author Report Posted January 21, 2013 Ok this took all of 5 minutes. I removed the end cap on the motor, there was three screws holding it on. This exposes a wheel and you can see in the pictures there's a cork brake pad. There's 2 screws holding it on. I didn't bother to try to adjust it as its directly on the arm that activates the motor. Ill report back if this causes any negatives but I doubt it will. Billy, I believe you have the answer. I'll wait until I can warm up the garage and tackle the two servo motors to remove the clutch as you have indicated. It's just too cold to get try crawling around on that cold cement. I am sure you have helped many others that have the same needs for a clutch-less servo motor. Thanks for your fine pictures that will make it easier to do the same job you did. Bob Stelmack www.pslac.org Quote Bob Stelmack Desert Leathercraft LLC Former Editor of the, RawHide Gazette, for the Puget Sound Leather Artisans Co-Op, 25 years of doing it was enough...
Members billymac814 Posted January 21, 2013 Members Report Posted January 21, 2013 Bob, That's no problem with this machine as I go as slow as I can anyway, soon to be slower yet when that speed reducer gets here. I've been putting that off as I wasn't sure whether or not I was going to keep this motor or put on the 500GR. Other Bob, You'll have to report your findings, I have no idea if other motors have the same kind of brake so it might help others to post the brand. The one I did was a Family non digital type with the knob on the front. Of course we may be the only 2 people that don't want the brake on there?? Quote www.mccabescustomleather.com
Moderator Wizcrafts Posted January 21, 2013 Moderator Report Posted January 21, 2013 I do and don't like my brake, if that makes sense. I think I may adjust mine for more free play and leave it intact. That's how clutch motors work. Adjust the bolt for the amount of free play your foot is happy with, then feather the clutch, then fire on all cylinders. Quote Posted IMHO, by Wiz My current crop of sewing machines: Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.
Members billymac814 Posted January 21, 2013 Members Report Posted January 21, 2013 I know what you mean, there's times and machines that its nice but on my patcher its more of a pain than anything. The only thing it was nice for was to hold the foot up in the air but that was nearly impossible to do with just using the foot peddle, maybe once I get the speed reducer on there it'll be easier but right now its difficult, on my 4500 as you know you can leave the foot wherever, on the patcher it almost falls down after a certain point if that makes sense. The brake helped that but now I can just stop it when its all the way up, no big deal. I'd almost like it better if the brake was on when you first step on the peddle a little but was off when you backed off all the way. That way when you're going on all cylinders you can back off and apply the brake or not do anything with the peddle and free wheel all you want. It could easily be adjusted but I didn't see any point in my case, less brake is still a brake and would cause friction when trying to use the handwheel without pressing the peddle. Quote www.mccabescustomleather.com
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