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martine2005

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  1. martine2005

    Hi,

     

    I recently bought a high post bed adler durkopp 267 (cordini lifted) second hand machine, comming here it seems it is for 380 volt, can we rebuild it to 220 volt which is the voltage we have here in this place ?

    does doing this would cause problems ?

    thanks for answer,

    Martine

    1. Uwe

      Uwe

      Unfortunately you cannot simply re-wire a 3-Phase 380V motor to run on regular 220V. 

      The motor you have is probably designed for use with 3-phase 220V in "Y" configuration, which provides 380V. 3-Phase power is usually only available in factories and industrial settings. 

      One possible option for home use is to get a rotary phase converter that turns regular 220V into 3-Phase, but that's actually quite expensive ($500 or more). 

      It may be much cheaper to replace your current motor with a normal, modern servo motor that runs on 220V. 

      Things are more complicated if the machine has a fancy controller with automation functions and pneumatic air cylinders (for back-tack, foot lift, reverse, thread trimming etc.)

      By the way, posting to somebody's profile is not a private conversation. You can send direct messages that are private.

    2. martine2005

      martine2005

      Hi thanks for answer, someone told me to use a capaciter,  and change the wires of the motor, sceme is inside, the machine has a pneumatic foot lifter, nothing else.

      What do you think . Eventually what motor do you advice, which brand and type ?

      thanks for reply

      martine

       

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  2. martine2005
    i am sewing with a pfaff 335; treath nr 20 (european size) under and upper, no backtack used needle 120 pcl or s i have problems with the tension, on the bottom small knots are visible, when using two different colors it is very noticable. i tried already to lower the bottom tension and higher the upper tension, , problem is still there no matter how high or how low the bottom tention. leather is soft, but not thin, and there is a very light reinforcement used in between the two layers. thanks for any help
  3. martine2005
    i am sewing with a pfaff 335; treath nr 20 (european size) under and upper, no backtack used needle 120 pcl or s i have problems with the tension, on the bottom small knots are visible, when using two different colors it is very noticable. i tried already to lower the bottom tension and higher the upper tension, , problem is still there no matter how high or how low the bottom tention. leather is soft, but not thin, and there is a very light reinforcement used in between the two layers. thanks for any help
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