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IndustryArena Forum > MetalWorking Machines > EMCO CNC Machines > EMCO Mills > Honeywell Index Sensors Part No: 922AA1Y44N050

Thread: Honeywell Index Sensors Part No: 922AA1Y44N050

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  1. 04-29-2025, 08:31 PM #1
    Mr Sprue
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    Honeywell Index Sensors Part No: 922AA1Y44N050

    Can anyone please explain why Honywell proximity switches were fitted to an Emco PC 50 mill, and what function did they undertake please?
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  2. 04-30-2025, 02:35 AM #2
    cncmakers001
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    Re: Honeywell Index Sensors Part No: 922AA1Y44N050

    Quote Originally Posted by Mr Sprue View Post
    Can anyone please explain why Honywell proximity switches were fitted to an Emco PC 50 mill, and what function did they undertake please?
    It is a limit switch to prevent the machine from crashing by detecting when the travel limit of an axis has been reached.
    http://cncmakers.com/cnc/controllers/CNC_Controller_System/CNC_Retrofit_Package.html
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  3. 04-30-2025, 09:03 AM #3
    Mr Sprue
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    Re: Honeywell Index Sensors Part No: 922AA1Y44N050

    Quote Originally Posted by cncmakers001 View Post
    It is a limit switch to prevent the machine from crashing by detecting when the travel limit of an axis has been reached.
    The machine already had NC/NO limit switches fitted to it, the Honeywell sensors were used on a rotary basis, as there is a small magnet fitted to the end of the lead screw, so the sensor I guess counted revolutions.
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