Wabeco Speed Control


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Thread: Wabeco Speed Control

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    Default Wabeco Speed Control

    I am trying to get the spindle of my Wabeco F1210 mill under Mach3 control. At present the speed is controlled by a 220K pot into the Wabeco controller card which uses a TDA1085C motor control IC. I think the motor is a universal AC/DC type ran on AC like a washing machine motor.
    Does anyone do a controller for such a setup that will take a PWM, or even a 1-10V input?

    Can I run this motor as a DC motor?

    Thanks!

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    Community Moderator Al_The_Man's Avatar
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    You can control the TDA1085 with a 0-10v signal between 8 (common) and pin 5, one thing to watch for when hooking into the TDA1085 is that the circuit is usually not isolated from the incoming AC supply, if controlling with an analogue signal of 0 to 10v you should use a variable resistance opto isolator, this type is different from the usual opto in that the output offers a resistance that is dependent on the voltage in.
    The motor is a Universal type so it can be run in the DC mode, which is what it is running with the TDA1085.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

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    Default

    Thx for info, Al. Actually, before your answer I was convinced the motor was running AC, as live and neutral from the mains switch go right into the motor harness, presumably to the stator windings.
    I've even had our washing machine apart to understand what's going on (took some explaining!) - and that too has 6 wires going into the harness. 2 for speed sensor, and a pair each for stator and commutator windings(?)

    Is it normal for a universal motor to have permanently energised stator windings, and just vary the power to the commutator? All the texts talk of the stator and commutator windings being in series.



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    Community Moderator Al_The_Man's Avatar
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    If the field windings are being controlled separately it really is no longer a series motor, If the field and armature are being controlled separately then it begins to resemble a shunt controlled motor, if the field is fed from the AC supply direct then the armature would have to be Triac fed as the armature and field would have to be kept in phase. I have never heard of that set up for a universal motor before.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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    Default Re: Wabeco Speed Control

    Hi,

    I know that is too old topic but even so I ask you if somebody solved it? Problem is that voltage on 220K pot is from 15,6 for min. speed to 8,4 V for max. speed. How could be possible to solve this if I can controll speed by 0-10 V? I send as attachment the schema of Wabeco speed controller.

    Thank you for your response.

    Wabeco Speed Control-wabeco-speed-controller-jpg

    Last edited by teqa; 03-14-2015 at 03:43 AM.


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    Default Re: Wabeco Speed Control

    As a matter of fact Wabeco sells a speed control PCB for the 1.4Kw motor.
    At MDA Precision we are considering to replace that motor with a far superior 1.4Kw servo motor.
    M. Menig



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    Default Re: Wabeco Speed Control

    Quote Originally Posted by MDA Precision View Post
    As a matter of fact Wabeco sells a speed control PCB for the 1.4Kw motor.
    At MDA Precision we are considering to replace that motor with a far superior 1.4Kw servo motor.
    M. Menig
    Thank you for your response.



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    Default Re: Wabeco Speed Control

    Quote Originally Posted by teqa View Post
    Hi,

    I know that is too old topic but even so I ask you if somebody solved it? Problem is that voltage on 220K pot is from 15,6 for min. speed to 8,4 V for max. speed. How could be possible to solve this if I can controll speed by 0-10 V? I send as attachment the schema of Wabeco speed controller.

    Thank you for your response.

    Wabeco Speed Control-wabeco-speed-controller-jpg
    Where can I find the component list from the speed control PCB for the 1.4Kw motor.
    I like to make a new one.
    I try to find a solution for the 0 to 10 v speed.

    Last edited by Ttvdoorn; 12-17-2017 at 05:26 AM.


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    Default Re: Wabeco Speed Control

    Quote Originally Posted by Ttvdoorn View Post
    Where can I find the component list from the speed control PCB for the 1.4Kw motor.
    I like to make a new one.
    Hi,

    this schema was aranged by me from original PCB Wabeco speed control for 1,4 kW motor. This is picture which include components.

    Wabeco Speed Control-speed-control_wabeco-1-4-kw-jpg



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    Default Re: Wabeco Speed Control

    Hi Ttvdoorn,

    I have a PCB for 0 - 10 V speed control for Wabeco 1,4 kW DC motor too.



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    Default Re: Wabeco Speed Control

    Do have a drawing from the speed control printed circuit ass well?



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    Default Re: Wabeco Speed Control

    Hi,

    I bought it directly from Wabeco as PCB, I have one for sale.



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