40 watt tube on a 100w Power supply


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    Default 40 watt tube on a 100w Power supply

    Yes possibly a silly question but unless you ask you don’t know. I have a 100w Lazer that’s going to be spare soon so I was just going to put a 40w tube in it without replacing the Power Supply and use it just for engraving.

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    Default Re: 40 watt tube on a 100w Power supply

    Quote Originally Posted by KenR60 View Post
    Yes possibly a silly question but unless you ask you don’t know. I have a 100w Lazer that’s going to be spare soon so I was just going to put a 40w tube in it without replacing the Power Supply and use it just for engraving.
    Do not do it. You will destroy laser soon.

    CNC lasers, constructions, service


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    Default Re: 40 watt tube on a 100w Power supply

    Quote Originally Posted by KenR60 View Post
    Yes possibly a silly question but unless you ask you don’t know. I have a 100w Lazer that’s going to be spare soon so I was just going to put a 40w tube in it without replacing the Power Supply and use it just for engraving.
    Do you have specifications on your current power supply? Specifically trigger voltage and mA ratings? It would be risky, but if the 40w tube specifications and the power supply voltage are compatible, then you could drive the lower power tube from the higher power supply. BUT you loose fine control over the power because you'd be confined to using a much narrower band of the total useable mA range and you'd loose fine control over greyscale raster images and the like. And of course you have a power supply that could easily damage your tube. You'd also need a mA meter so you can monitor the tube power. So technically yes, practically I wouldn't risk it myself as there's a lot that could go wrong.



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    Default Re: 40 watt tube on a 100w Power supply

    Thanks for all your information, cheaper to buy a 40w power supply then risk it :-)



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    Default Re: 40 watt tube on a 100w Power supply

    Quote Originally Posted by KenR60 View Post
    Thanks for all your information, cheaper to buy a 40w power supply then risk it :-)
    That`s right.

    CNC lasers, constructions, service


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40 watt tube on a 100w Power supply

40 watt tube on a 100w Power supply