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  1. #1
    Join Date
    Nov 2019
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    Default Drill grinding on a budget

    SAM_0585.jpgSAM_0584.jpgHello from the old goat.
    Many years ago after suffering a few cheap plastic attachments I bought this. My drills improved in accuracy and flat bottom or zero angle drills became my norm.
    A good project for the wet day.
    BC
    Attached Images Attached Images

  2. #2
    BobL is offline Member: Blue and white apron brigade
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    Default

    It would really help declutter the forums and save the mods work if posts on the same topic especially by the same member were posted into the same thread. Even better would be to search for a preexisting thread on the same topic and post into that.

  3. #3
    Join Date
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    Mackay North Qld
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    Default

    Great idea Bob,

    Drill sharpening is an oft visited topic.

    If there are not too many who oppose the idea, I am quite willing to start a thread myself and move any "strays" into that thread when and where they come up.
    Same for other general "how to" type topics as they come up.

    There ya go boys, what do you say to that one ?

    Grahame

  4. #4
    Join Date
    Nov 2019
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    Default Drill grinding

    Hello Grahame.
    Yes drill grinding is a topic often commented on. Tool and cutter grinding is a general topic not well understood. Also good information is scattered and hard to find. Then it must be verified. I am currently trying to locate a copy of a book, The Art of Tool and Cutter grinding by J.P Narang. No luck so far but I have seen it described as one of the best on the subject.
    Any chance of a sub forum for all tool grinding and toolroom work? This makes it fairly broad in scope but still specific. There is a Facebook group for tool and cutter grinders. It seems to be for the CNC guys and other enquiries don't rate an answer. So much can be done in the small shop with a good 6" bench grinder. Harrold Hall's book is a good start.
    What do you think.
    BC

  5. #5
    Join Date
    Mar 2009
    Location
    Melbourne
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    54
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    825

    Default

    Quote Originally Posted by BobL View Post
    It would really help declutter the forums and save the mods work if posts on the same topic especially by the same member were posted into the same thread. Even better would be to search for a preexisting thread on the same topic and post into that.
    Problem with this is that the search function only links to the first page/post of a thread containing the search term, not the actual post containg it. This means you need to trawl through dozens if not hundreds of posts, often irrelevant to the topic at hand, in order to find the gems of info you're looking for, if they even exist.

    Individual threads mean you can assess the validity of the information, idea or suggestion by reading, at worst, the first few posts of the thread which is where the search engine sends you. Some of the threads on here go north of fifty pages and spend more time off topic than on. These threads, which can contain small amounts of fantastic and useable information are now pretty much worthless because it is too difficult to find.

    Cheers,
    Greg.

  6. #6
    Join Date
    Nov 2017
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    Geelong, Australia
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    2,651

    Default

    FWIW I always use Google for searches, and never use the forum search. To restrict the results to just this forum use "site:metalworkforums.com" in your search.
    The Google result typically takes you to the actual post containing the search phase.

    Steve

  7. #7
    Join Date
    Nov 2017
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    Geelong, Australia
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    2,651

    Default

    FWIW I always use Google for searches, and never use the forum search. To restrict the results to just this forum use "site:metalworkforums.com" in your search.
    The Google result typically takes you to the actual post containing the search phase.

    Steve

  8. #8
    Join Date
    Feb 2009
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    jilliby nsw
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    71
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    Default

    Hello Grahame, having just aquired a fairly complete T &C Grinder I for one would benefit from a T&C forum. which would hopefully cover sharpening techniques for a range of metalworking cutters and hopefully the jigs, commercial and DIY used to accomplish the tasks. Been nearly 50 years since I did the trade and my memory needs a refresher / reboot with this machine. Thanks

  9. #9
    Join Date
    Sep 2009
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    Sydney
    Posts
    666

    Default Drill grinding on a budget

    I’m working up some plans based on this video:

    https://youtu.be/9wxnwwOzTh0

    The plan is to build the jig against my bench grinder with a diamond wheel as the grinding medium.

    Some parts are really cheap to buy ready made. For example I can buy an ER16 collet chuck (with straight shank) for $15, I can’t even buy a 22x1.5mm die for less than that.

    Not sure it will work but I’m pretty confident I have it all planned out. I reckon around $80-$100 less the collets and grinder.

    I’ve usually ground drills by hand but never really mastered the art and I cannot hand grind them for small ones. The hope is that this offers the precision required to properly grind 2-4 facet drills but to also do it with accuracy for 2mm drills too.

  10. #10
    BobL is offline Member: Blue and white apron brigade
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    Perth
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    Default

    Quote Originally Posted by OxxAndBert View Post
    FWIW I always use Google for searches, and never use the forum search. To restrict the results to just this forum use "site:metalworkforums.com" in your search.
    The Google result typically takes you to the actual post containing the search phase.

    Steve
    That's usually what I do as well.
    It is also possible to restrict the google search to a specific forum by appending the forum number to site:metalworkforums.com

    eg metal work projects is forum 303 so the search term is "site:metalworkforums.com/f303"
    The forum number can be seen by going to the forum of interest and clicking on the URL window

    There is also a search function from within a thread that is often pretty useful.

  11. #11
    Join Date
    Sep 2012
    Location
    York, North Yorkshire UK
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    Default

    Hi Neevo,

    Quote Originally Posted by neevo View Post
    I’m working up some plans based on this video:

    https://youtu.be/9wxnwwOzTh0

    The plan is to build the jig against my bench grinder with a diamond wheel as the grinding medium.

    Some parts are really cheap to buy ready made. For example I can buy an ER16 collet chuck (with straight shank) for $15, I can’t even buy a 22x1.5mm die for less than that.

    Not sure it will work but I’m pretty confident I have it all planned out. I reckon around $80-$100 less the collets and grinder.

    I’ve usually ground drills by hand but never really mastered the art and I cannot hand grind them for small ones. The hope is that this offers the precision required to properly grind 2-4 facet drills but to also do it with accuracy for 2mm drills too.
    I built this one !

    https://www.gadgetbuilder.com/DrillSharp.html#Facet4

    It works extremely well. There is a project write up on here somewhere.

    https://metalworkforums.com/f65/t198...=facet+grinder
    Best Regards:
    Baron J.

  12. #12
    Join Date
    Oct 2011
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    Norwood-ish, Adelaide
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    59
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    6,541

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    Quote Originally Posted by kwijibo99 View Post
    Problem with this is that the search function only links to the first page/post of a thread containing the search term, not the actual post containg it.
    Greg, if you go to the advanced search and then hit the tab marked 'search single content type', it will pick out individual posts that mention the search string.

    Michael

  13. #13
    Join Date
    Oct 2011
    Location
    Norwood-ish, Adelaide
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    59
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    Default

    Quote Originally Posted by hpa1 View Post
    ...having just aquired a fairly complete T &C Grinder I for one would benefit from a T&C forum. which would hopefully cover sharpening techniques for a range of metalworking cutters and hopefully the jigs, commercial and DIY used to accomplish the tasks.
    Quote Originally Posted by steamloco1954 View Post
    Any chance of a sub forum for all tool grinding and toolroom work? This makes it fairly broad in scope but still specific.
    It's a nice thought guys, but if you look at the sort of thing being posted at the moment, I suspect that a dedicated grinding (or even toolroom) section would not be a well used sub-forum. While we have a number of discussions going on on all sorts of topics, very few members seem to be posting accounts of what they are doing.

    Michael

  14. #14
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    Mar 2009
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    Melbourne
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    825

    Default

    Quote Originally Posted by Michael G View Post
    Greg, if you go to the advanced search and then hit the tab marked 'search single content type', it will pick out individual posts that mention the search string.

    Michael
    Great tip Michael, this seems to help as long as the 'Search Type' and 'Show Results as' option is set to 'Posts'.
    Cheers,
    Greg.

  15. #15
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    Sep 2009
    Location
    Sydney
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    666

    Default

    Quote Originally Posted by BaronJ View Post
    Hi Neevo,



    I built this one !

    https://www.gadgetbuilder.com/DrillSharp.html#Facet4

    It works extremely well. There is a project write up on here somewhere.

    https://metalworkforums.com/f65/t198...=facet+grinder
    Great info! Thanks. Looks to use a similar principle to what I’m building but in a smaller and less complex package. I’ll study that build and see what I can incorporate in to my design

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