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Thread: Machine Tachometer kits

  1. #1
    Brass
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    Machine Tachometer kits

    I ran across this today and thought it would be useful to a lot of hobby machinists. The seller is a very friendly guy and I believe has been doing this for quite a while. As soon as I have a few extra dollars, I'll be picking up one or two.

    http://www.machtach.com/

    If this is in the wrong section, please move it or tell me. I wasn't sure where it belonged.

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    Tool Steel Hawkeye's Avatar
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    Re: Machine Tachometer kits

    I just got my third one running today. They do a great job at a really good price. They are also a small project in themselves.

    Two thumbs up.
    Mike

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    Brass JT.'s Avatar
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    Re: Machine Tachometer kits

    finaly that is what i need i am lookinf for those sort of kit for weeks

    thx a lot

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    Cast Iron Kennyd's Avatar
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    Re: Machine Tachometer kits

    Same thing, but different: http://mkctools.com/tachulator.htm
    More Projects in my Picasa Album: https://picasaweb.google.com/kdeckster/

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    Re: Machine Tachometer kits

    Quote Originally Posted by Hawkeye View Post
    I just got my third one running today. They do a great job at a really good price. They are also a small project in themselves.

    Two thumbs up.
    Great! Could we see some pics?

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    Tungsten Carbide Old Iron's Avatar
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    Re: Machine Tachometer kits

    Quote Originally Posted by Kennyd View Post
    Same thing, but different: http://mkctools.com/tachulator.htm
    I like this one better.

    Paul
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    With Vertical Head, Jones & Shipman Surface Grinder, Milwaukee Die Filer,
    Camel Back Drill press And others.

  7. #7
    Tungsten Carbide ScrapMetal's Avatar
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    Re: Machine Tachometer kits

    Quote Originally Posted by Old Iron View Post
    I like this one better.

    Paul
    What is it that you like better about it? Just curious.

    Thanks,

    -Ron

    P.S. A pic of the MachTach I built - still haven't taken the time to install it.
    South Bend 11" Lathe
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    Tool Steel Hawkeye's Avatar
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    Re: Machine Tachometer kits

    I wrote up my first build and installation. http://www.hobby-machinist.com/showt...Tachometer-Kit
    Mike

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  9. #9
    Global Moderator wa5cab's Avatar
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    Re: Machine Tachometer kits

    Rick,

    To answer your question at the beginning of this thread, it probably belonged in Machine Accessories, up at the top of the Forums list, since it wasn't something you were looking to buy or had for sale. But a number of people seem to have found the thread so unless Tony thinks it would be better moved, I'm just going to leave it here.

    As a comment on the actual subject, I prefer analog meters for this sort of thing. If the speed hunts a little, they are much easier to follow, especially out the corner of your eye if you are watching three other things. Digital has some advantages and several disadvantages. As with frequency, voltage or current indicators in other electronics applications, people don't waste so much time trying to make that last digit read exactly what the "book" says. Unfortunately, the only way to get such things today is to build it yourself.

    Robert D.

  10. #10
    Brass GoMopar440's Avatar
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    Re: Machine Tachometer kits

    I bought three of the half size Mach Tach kits recently for my Bridgeport J-head mill, Atlas 10x54 lathe and the HF mini mill. My Micro Mark 7x14 lathe already had a tach built in. Guy has recently handed the operation of selling the kits and parts back over to the inventor, Henry, and everything is back up to speed after the transition based on my experience with them.

    There's also a Yahoo Group for the Mach Tach ( http://groups.yahoo.com/group/MachTach/ ) that taps into the user knowledge base that's open for anyone to join if they have any questions, tips or advice. They're a pretty friendly, albiet small, group of people over there.

    Here's a pic of the enclosure I'll be using for the half size kits. It's made by Hammond Mfg. (# 1550D) and is cast aluminum which should help with EMI/RFI shielding when I switch to a VFD setup on the Bridgeport and Atlas. There's quite a few other options out there that will also fit the kit. Just be sure to account the wall thickness of the enclosure as well as the screw posts and any PCB standoffs in other boxes. I didn't realize that when I ordered some other boxes (Hammond Mfg. #1590A) and had to send them back to get these bigger ones.
    Last edited by GoMopar440; 01-22-13 at 05:21 AM. Reason: kant spell rite

  11. #11
    Administrator Tony Wells's Avatar
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    Re: Machine Tachometer kits

    Robert, please go ahead and move it. I believe more people will see it under machine accessories. Leave a redirect for 1 week.

    Thanks.
    "A man who works with his hands is a laborer. A man who works with his hands and his brain is a craftsman. A man who works with his hands, his brain and his heart is an artist."

    -Louis Nizer

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    Tungsten Carbide ScrapMetal's Avatar
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    Re: Machine Tachometer kits

    Quote Originally Posted by GoMopar440 View Post
    Here's a pic of the enclosure I'll be using for the half size kits. It's made by Hammond Mfg. (# 1550D) and is cast aluminum which should help with EMI/RFI shielding when I switch to a VFD setup on the Bridgeport and Atlas. There's quite a few other options out there that will also fit the kit. Just be sure to account the wall thickness of the enclosure as well as the screw posts and any PCB standoffs in other boxes. I didn't realize that when I ordered some other boxes (Hammond Mfg. #1590A) and had to send them back to get these bigger ones.
    Thanks for listing those enclosures. I was looking for something just like that. Just fired off an order to Mouser Electronics for them.

    -Ron
    South Bend 11" Lathe
    Wells-Index 860 Mill
    Queen City Shaper

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    Brass GoMopar440's Avatar
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    Re: Machine Tachometer kits

    Glad to help. When you get the enclosures you'll still need to cut-out the opening for the display and plugs as well as drill the holes for the mounting screws and LED. There's a diagram I got from the Yahoo group that shows all the locations for the holes but you have to be a member there to access the file. I already saved it to my computer so I just uploaded it to photobucket so I can pass it around.


    I also created a half size faceplate printout using the original full size one as a guide. I haven't stretched the outside edges of the printout to match the size of the 1550D box yet, but it's easy to do in MS Paint. I'll be uploading a corrected version in a few days when I get around to matching it up to the new box size.

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    Tungsten Carbide ScrapMetal's Avatar
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    Re: Machine Tachometer kits

    Thanks again. I'll post the results of installing my MachTach into the box.

    -Ron
    South Bend 11" Lathe
    Wells-Index 860 Mill
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  15. #15
    Steel kd4gij's Avatar
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    Re: Machine Tachometer kits

    radio shack has a box that will work also

    http://www.radioshack.com/product/in...17#tabsetBasic
    Craftsman 101 12x36, Grizzly G704, Emerson-Craftsman Radial armsaw & table saw.

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    Re: Machine Tachometer kits

    This looks pretty cool, I'd like to put these on my lathes, just another "To Do" entry in my book,
    Trust Him !

    Dwayne Dushane
    www.dushaneknives.com

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    Re: Machine Tachometer kits

    Not to rain on anybody's parade... But I got a "Laser tach" on E-bay for abvout $20 and just put pieces of thre reflective tape on all my spindles. Seems a lot easier and cheaper and quicker to get back to making parts too.

  18. #18
    Tungsten Carbide ScrapMetal's Avatar
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    Re: Machine Tachometer kits

    Quote Originally Posted by Ghoulardi View Post
    Not to rain on anybody's parade... But I got a "Laser tach" on E-bay for abvout $20 and just put pieces of thre reflective tape on all my spindles. Seems a lot easier and cheaper and quicker to get back to making parts too.
    I don't think you're "raining on the parade", those inexpensive optical tachs do have their place. What the MachTach (and others) give you that you don't get with those is a display of "surface feet per minute", the ability to customize the install to the machine (finding a spot to "tape on" the optical unit can be tricky but the sensor from the MachTach is a little easier to place), and a chance to put together an electronics kit (build stuff).

    JMHO

    -Ron
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  19. #19
    Cast Iron Kennyd's Avatar
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    Re: Machine Tachometer kits

    Quote Originally Posted by Ghoulardi View Post
    Not to rain on anybody's parade... But I got a "Laser tach" on E-bay for abvout $20 and just put pieces of thre reflective tape on all my spindles. Seems a lot easier and cheaper and quicker to get back to making parts too.
    It's sunny here! I got mine for about $14 at Amazon...and I still bought two Tachulator's.
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  20. #20
    Tool Steel Hawkeye's Avatar
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    Re: Machine Tachometer kits

    My laser tach eats batteries. I have to pull one out when I put it away. The MachTachs on my machines are ready to go when I turn on the machine's power.
    Mike

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