Brother MPG by World Encoders....what did the original knobs look like ? (pix) - Page 2
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  1. #21
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    Quote Originally Posted by Scottl View Post
    Even something like this wouldn't look bad on that unit. They have other diameters as well.

    http://www.digikey.com/product-searc...2F4&vendor=450
    I dunno man, that one looks too Fadal-ish

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    Quote Originally Posted by Milacron View Post
    I dunno man, that one looks too Fadal-ish
    You mean 1970s Marantz HiFi?

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    Quote Originally Posted by Perry Harrington View Post
    You mean 1970s Marantz HiFi?
    Yeah, that too....Marantz Quadraphonic....LMAO

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    I found the knobs online by opening up the enclosure and finding the brand and type of switch and doing a search with that info. The knobs are available in a number of styles and colors. They were like fifty cents or a buck a piece.

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  6. #25
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    Quote Originally Posted by BROTHERFRANK View Post
    I found the knobs online by opening up the enclosure and finding the brand and type of switch and doing a search with that info. The knobs are available in a number of styles and colors. They were like fifty cents or a buck a piece.
    As it turns out the knobs are a bit unusual in that they use 1/8" D shaped shanks. The vast majority of indicator knobs use 1/4" shanks. I suppose a 1/4 shank one would work if the set screw happened to be in the correct position to seat against the flat of the D shank and still have the arrow or witness mark point at the correct setting.

    (now counting the minutes before Captain Obvious comes on with lightbulb aglow in his head to recommend I make 1/4 to 1/8 bushings....)

  7. #26
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    Lots of 1/8th inch shaft knobs out there.

    http://www.digikey.com/product-detai...737-ND/1201634


    Or if that one's not to your liking there are 191 other options.

  8. #27
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    Quote Originally Posted by Milacron View Post
    As it turns out the knobs are a bit unusual in that they use 1/8" D shaped shanks. The vast majority of indicator knobs use 1/4" shanks. I suppose a 1/4 shank one would work if the set screw happened to be in the correct position to seat against the flat of the D shank and still have the arrow or witness mark point at the correct setting.

    (now counting the minutes before Captain Obvious comes on with lightbulb aglow in his head to recommend I make 1/4 to 1/8 bushings....)
    Or buy some of these.

    KR14 TE Connectivity / Alcoswitch | Mouser

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  10. #28
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    Quote Originally Posted by Comatose View Post
    Lots of 1/8th inch shaft knobs out there.

    http://www.digikey.com/product-detai...737-ND/1201634


    Or if that one's not to your liking there are 191 other options.
    Yeah you are right... I was mostly going by the Jameco link where there was only one with 1/8" shaft. Digikey has so many my brain freezes up with the selections. To me the ideal would be to go with what was 1/8" in the first place but with the black plastic, pointer tip with yellow tops.

    FWIW, just now ordered 4 of the Jameco yellow top ones for 1/4" shank, and 4 of the Jameco aluminum 1/8" shank ones, so will see which looks and feels the best.
    Last edited by Milacron; 07-22-2016 at 01:03 PM.

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  12. #29
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    The secret is to find a similar knob that you like from a major manufacturer and then figure out how to modify the part number to specify say 1/8" shaft instead of 1/4" or yellow cap instead of red. Looking at a few examples from the same manufacturer usually gives clues as to how the part number is structured.

  13. #30
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    Below is photo of the end result of my knob search, cleanup and repaint of the MPG pendant body. I used "stainless" color spray paint but it looks like just gray really. I could have found better looking knobs but I just went with the only 1/8" shaft ones that Jameco had and said to hell with it...good enough..

    fullsizerender-10-.jpg

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  15. #31
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    Do any of you have any information on the wiring/pinout for connecting the encoder to a Brother machine? I have a machine without the MPG and will need to know which wire/function goes to which pin on the 12pin connector.


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