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  1. 06-11-2018 #7
    cropwell's Avatar
    Lives in Nottingham, United Kingdom.
    cropwell
    Last Activity: 28-05-2023 Has been a member for 9-10 years. Has a total post count of 1,646. Received thanks 170 times, giving thanks to others 30 times.
    Quote Originally Posted by routercnc View Post
    Sounds good ! I have a spare stepper and driver plus I think there is a psu somewhere. I guess a variable pulse generator is a pretty cheap module to buy ?
    Silly question but does the drip feed into the last part of the nozzle inside the tube or does it drip into the air flow?
    This is the nozzle I bought https://www.aliexpress.com/item/New-...1-dc8fbff7776e

    It has liquid fed to the centre and air around it. The airflow atomises the coolant. I am not sure, but I think it also generates a venturi vacuum to pull the coolant into the air stream.

    I think this is the one that Nick used, but there are more pulse generators than you can shake a stick at on AliExpress.

    https://www.aliexpress.com/item/8-24...4-a44ab6a74f1d
    Last edited by cropwell; 06-11-2018 at 08:46 PM.
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