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Type: Posts; User: mactec54

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  1. Replies
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    Re: Absolute encoders

    You should of brought stepper system with Encoders already, that close the loop in the stepper drive, or a Ac Servo system
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    Re: Absolute encoders

    You have some misconceptions with Encoders

    If an Encoder has many Bits wide positioning, it would be no good for anything ( 1 Bit 1024 ) that's 1024 PPR

    Absolute Encoders you have to Home just...
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    Re: Chinese 2.2kw spindle burned out?

    Where any Faults displayed on the VFD screen

    Did you recheck the Spindle pins reading this is what you have to do first
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    Re: AXYZ 4008 Spindle not starting

    The Fault code could be a wiring problem, did you wire this or was it done in the factory, Don't keep trying it until you check the wiring it could be missing a Phase

    What is your input power...
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    Re: Chinese Spindle Stalling.. better vfd?

    Before we can answer some of your questions where do you live, what country

    The VFD Drive has to have the Hz Rating of the Spindle you can not use a lower Hz rated VFD Drive your spindle is 800Hz...
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    Re: Z-axis overshooting sometimes

    Most likely where not the problem as many use steppers without problems, it all come's down to wiring in most cases, steppers also are noisy and need shielded cables and good Grounding practice for...
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    Re: Z-axis overshooting sometimes

    It is not a problem if everything is wired correctly, a separate cabinet does not always solve an EMI problem, so using a separate cabinet in most cases it can create other problems
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    Re: Z-axis overshooting sometimes

    Yes that is the cable to use from the VFD to the Spindle, make sure the Spindle Ground is attached in side the Spindle to the 4th pin of the plug the other alternative is to not use a Spindle plug...
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    Re: Z-axis overshooting sometimes

    Some more as there are many examples of how to do things better if you know what is and can be used
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    Re: Z-axis overshooting sometimes

    Plugs are always a source of problems, direct wiring as it is done in CNC machines Etc is less work and less problems

    Start with the filter and new cable, a shield would be very beneficial in...
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    Re: Z-axis overshooting sometimes

    You should not take to much from what you read, they are all in the same boat as you are, they try different things instead of doing the build how it should be done from the start, what I can see by...
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    Re: Z-axis overshooting sometimes

    Yes you have a problem, the VFD Drive cable must be shielded all the way to the VFD Drive and the shield clamped to the metal case which would have a Ground connected, Twisting the wires can also...
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    Re: Z-axis overshooting sometimes

    Another VFD is not going to change anything they all make EMI, if it is not wired correctly will play havoc with your whole system, a good test if you have everything wired correct is no debounce is...
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    Re: Chinese 2.2kw spindle burned out?

    They can differ from different spindle manufactures

    What are your readings are they all or close to the same

    Pin1 to Pin 2=

    Pin2 to Pin 3=

    Pin3 to Pin 1=
  15. Re: Need some help identifying a large ball screw

    It could be from a Maho ag DECKEL mill from around 1994 seeing the name Maho AG is on it, there is most likely damage if a scrap dealer had it
  16. Replies
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    Re: Chinese 2.2kw spindle burned out?

    It should never have been able to run at even 2000 RPM, probably around 9,000 RPM was your minimum, they have a minimum safe speed they can run at, if you go below that number then you will over...
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    Re: Is my VFD shot?

    A lost phase is normally caused by a wiring problem, so something damaged it when you first fired it up, the Drive may have been faulty from the start also, have you contacted the seller as...
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    Re: Chinese 2.2kw spindle burned out?

    Try

    PD006=2.5

    I think the wiring was the cause of the whole problem, and may still be, if your cousin is not an industrial electrician he may also not of had any experience on how to wire a...
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    Re: Is my VFD shot?

    What kind of meter are you trying to measure the VFD output with, most regular meters can not be used to read the VFD Drive output

    You can damage the IGBTs by measuring with a meter that is not...
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    Re: Can we make this in the USA?

    Sure anything can be manufactured made copied, if the manufacture does not have any protection on the product, but for that price of $2 I don't think so, you most likely would not do it in the USA ...
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    Re: Chinese 2.2kw spindle burned out?

    It would depend where the what Parameter was set to 50Hz as to how it would affect the speed

    Never go off what the Videos on YouTube use for settings, they are just trying to get going with no...
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    Re: Chinese 2.2kw spindle burned out?

    Your Parameters settings can't be using 50Hz anywhere they have to be set at 400Hz I surprised the spindle has not smoked with using 50Hz

    The Code is saying the Parameters are set incorrect which...
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    Re: Chinese 2.2kw spindle burned out?

    The fan in this case may be the Nut, so care must be taken to see if the Fan is threaded
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    Re: Chinese 2.2kw spindle burned out?

    Preloading in these Spindles has nothing to do with matched ground Bearings, which would make no difference

    They are preloaded by Belleville Washer washers or springs and only the Spindles that...
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    Re: AXYZ 4008 Spindle not starting

    That will tell the spindle to stop because of a Tool Change, something may have been connected incorrect with the solenoids tubes Etc or what is happening in the control

    Can you put a tool in the...
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