Thread: 1605 ballnuts

  1. #1
    dudz's Avatar
    Lives in Bretagne, France. Last Activity: 20-05-2017 Has been a member for 4-5 years. Has a total post count of 256. Received thanks 1 times, giving thanks to others 50 times.
    Are the 1605 ballnuts all the same dimentions ?
    I am searching to buy one. On ebay different sellers have different ref, like ; SF1605 or RM1605.
    I am having my Ballnut housing custom made to the correct hight from the ballscrew center to the top of the ballnut housing. So I need to be sure that wherever I buy the ballnut, they are all the same dimentions between each mounting hole. This is my ballnut housing plan below.

    Click image for larger version. 

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    3 axis CNC/router / Alu profile frame....25mm Alu Cutting bed X=500mm Y=300mm Z=110mm.....Supported 25mm X rails ....Supported 20mm Y rails....Supported 20mm Z rails.....2.2kw Chinese WC spindle......"USB Breakout Board Interface 200KHz"....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.

  2. #2
    I do not have this ballnuts to measure them, I have just ordered them from Chai, but from their drawings, the Chinese RM1605 will fit perfectly in your supports. I have not encoutered the SF ones.

  3. #3
    cnc4you advertise it as an RM and there stock code is SF. I would like to say they are the same beast because i am sure i have ordered both in the past and they all look the same? trouble is is what comes across the sea consistent?
    If the nagging gets really bad......Get a bigger shed:naughty:

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  5. #4
    I'd say they would be the same and conform to a standard on the mounting holes, would like to think the same for the rest of the nut dimensions but can only guess at a yes.

    .Me
    .Me

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  7. #5
    dudz's Avatar
    Lives in Bretagne, France. Last Activity: 20-05-2017 Has been a member for 4-5 years. Has a total post count of 256. Received thanks 1 times, giving thanks to others 50 times.
    The person who is supposed to be giving me a price on the custom Ballnut mount is not responding to emails. I want this asap, as I want to get the machine working again. Anybody interested in giving me a price please ? made from Alu and sent to France please. Bear in mind I really would like this in my possession within 2 weeks from now.
    Last edited by dudz; 29-03-2013 at 06:19 PM.
    3 axis CNC/router / Alu profile frame....25mm Alu Cutting bed X=500mm Y=300mm Z=110mm.....Supported 25mm X rails ....Supported 20mm Y rails....Supported 20mm Z rails.....2.2kw Chinese WC spindle......"USB Breakout Board Interface 200KHz"....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.

  8. #6
    Dudz

    Looking at your drawing the out most holes for the nut show 38mm, but the mounting holes show 60mm between cntres. the drawing looks like they should be roughly in line. Can you just check those measurements please. I will be near Richelieu in a few weeks and will be driving down through LeMans but not as soon as you would like.

    It might be worth you popping along to here Accueil - Aéro Modèle Club Armoricain on the 14th April. You could make some good friends local that may be able to help you out. I remember a chap from Loudeac was visiting near by and cam to my local flying club years ago.
    If the nagging gets really bad......Get a bigger shed:naughty:

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  10. #7
    dudz's Avatar
    Lives in Bretagne, France. Last Activity: 20-05-2017 Has been a member for 4-5 years. Has a total post count of 256. Received thanks 1 times, giving thanks to others 50 times.
    Wow those planes are big !

    I build UAV's but on a much smaller scale.

    Might just go there to take a look. Thanks
    3 axis CNC/router / Alu profile frame....25mm Alu Cutting bed X=500mm Y=300mm Z=110mm.....Supported 25mm X rails ....Supported 20mm Y rails....Supported 20mm Z rails.....2.2kw Chinese WC spindle......"USB Breakout Board Interface 200KHz"....M542 Drivers..SY60STH86-3008BF Motors...running....Mach3 / Cambam / Emachineshop.

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