Mr.Pete did a video on using a bought one, and showed making one. Thanks for sharing. This is a ton easier than the store bought one and even the modified one he made. Great idea.
Glad you enjoyed it....thanks for viewing and here is a couple of other quotes....Niagara Falls, slowly I turn.... or Turn the blender to low....(a pen was suppose to write under cream)
I have seen some of Chui's work and the man is phenomenal. I like the way you demonstrate the use of the DTI, make me think I could do the same. Probably not with the accuracy you have shown, but better than my usual work. Many thanks.
That Chuck is very handy addition - may have to add that to my ''to-do'' list, if I ever manage to get back in the shop for long enough! Mind you - this old fella doesn't often worry too much about the odd 1/10th here and there :)
Hello Chris....I hope you get some shop time, I know winter is coming for you....I finally after YEARS installed 1" insulation on the ceiling in my machine room....what a difference and what a dummy for waiting so long. ATB
I watched as a kid and I record and watch now(ME TV)....still has the family laughing....my 11 year old grandkids even got them to laugh...thanks for viewing...
Thank you Sir! Excellent idea. I'll have to make one of those. As an aside, I'd like to add, you might try using an Allen wrench (normal "L" configuration) I've found that they provide much better control when dialing in those fine adjustments.
John, thanks for viewing and your comments, I might do a short follow up showing the unit used on the dial side when the boring bar is in the far hole, of course, then the L configuration is required...
Hello Craig...thanks for viewing...to answer your question, IMO a tad is less that a C-hair which as you know can vary, the tad is generally consistent...
One comment Chuck, if you're chasing tenths with carbide it will be difficult, you should be chasing those small increments with HSS, IMO. Carbide is not good with such small increments.
@@outsidescrewball I couldn't tell Chuck, me eyes, they ain't what they used to be...arggghhhhh argggghhhhh I will watch Stephan, I know I haven't had good luck trying to take small amounts off with carbide, could be the way he grinds his inserts on the d-bit, by default carbide will not do very good on light cuts. Anyway, was just a heads up.☺️
This is a good idea. However, the Cosine strikes back! Using a dial test indicatorin a way that the needle is not perpendicular to the measured distance will have an error in the result. The error is the bigger the more the angle deviates from 90 degrees. It is perfecty fine to use this method for relative measurements but to move one thou for example (and exactly) might give You a lot less movement than You measured. With 45 degrees the movement is more like half a thou. Edit: I noticed that You were aware of this error. Sorry.
yep, I have a couple of federal tenth indicators that are regular and they are straight, would like to see if that offers a better chance of hitting it directly each time.
Do not worry about your edit....thank you for watching and your comments....yes there would be cosine error, but IMO this error could be learned as you use the boring head....but your information is good as others will read comments and learn....
I've still got the HSM magazine article that details the boring head indicator mount you mentioned in the beginning of the video Chuck. That one's still on the "someday" project list. This may sound critical, it isn't meant that way, I'm trying to be factual. A boring head has zero difference from any other machine tool slide, and all slides require at least some periodic maintenance if you expect smooth movement and accuracy. In other words they need pulling apart for a though cleaning, fresh lubrication to replace the old congealed lube, wear particles just from using them etc, and then reassembly and properly readjusting the gib screws. Hard to properly judge just by watching a video, but your boring head seems to be much stiffer to move than it should be. That alway's results in a stick / slip situation and a very logical reason why you found it hard to get an accurate measured movement to an exact 10th without over shooting the target number. Secondly gauge pins no matter how accurately made and measured are still only an indicator of roughly where the actual bore size is if your really trying for that one 10ths accuracy. An "exact" precision ground and lapped 1.000000" gauge pin will not fit into another "exact" precision bored, ground and lapped 1.000000" hole. The pin HAS to be undersized by at least a bit. Obviously the higher the precision is for the pin and hole surface is the less under size the pin would need to be. But physics dictates it still has to be very slightly undersized before it will enter the hole. And withdrawing the boring bar with the spindle stopped will and has to cause at least a micro burr on the wall of the hole that will also affect your pin fit. One of Tom Lipton videos from years ago even mentions it and why he always off sets the part a few thou on his dro when withdrawing the boring bar. Accurate and dependable 10ths measurement even with the best micrometers, hole gauges etc is a whole lot tougher than most think. To avoid repeating what a few professional machinist's have already said, post #19 & #20 here www.practicalmachinist.com/vb/metrology/mitutoyo-vs-b-s-382674/#post3636450 are well worth reading. But I've read dozens of posts saying much the same. So yes your measurements were very close, but certainly not within a known 10th. I'd say they they were well within a very few 10ths, but there's no real certainty of which exact 10th that might be. It was a very good video and what you showed should still be close enough for even most bearing fits. Criterion and many others made and still make 10ths settable boring heads, but I'm sure you already know there far more expensive than the more standard heads. The accessory you showed is certainly a way around that. Will there be that cosine error? Probably, but on low 10ths movements I'm not sure it would even be measurable given all the other variables.
thank you for viewing and your insightful comments which I agree with 100%, I am planning to do a follow up video on the unit and I am going to mention much of your content...ATB
I will be stealing that idea. Could it be a bit of deflection of that small boring head. Try doing a couple of spring passes & you might be on the money. Cheers Peter
I only bought a 0.000 5" indicator. I don't want to be fiddling with 0.000 1" increments. I'll leave that to Robin and Stefan LOL. Great idea though, even if you used it with a regular 0.001" indicator for doing bigger adjustments.
Barry, that was the basic idea in the video and I really didn't explain well, the tool allows the ability to make small cuts, as I mentioned reading the dial on the boring head is doable, but not easy
Nice idea even if you wanna Just use a thousandth indicator I don't see why you couldn't just make the arm to fit an indicator on its side so the dial is facing you when using a 001 indicator 👍👍👍
Hang on to the tightest pin for a while , it wont go. Tolerances of that order require close temperature control. Anything needing that close needs a lap or a grind.
Mr.Pete did a video on using a bought one, and showed making one. Thanks for sharing. This is a ton easier than the store bought one and even the modified one he made. Great idea.
Thanks for viewing and your comments...
Well done Chuck. Hope you and your family are fine and take care.
Hello Cosimo....thanks for viewing and your comment, doing ok here, hope the same for you
Hey Chuck!!! Loved the Three Stooges reference!!! "Gas ON!"...that made my day even more special!!!
Glad you enjoyed it....thanks for viewing and here is a couple of other quotes....Niagara Falls, slowly I turn.... or Turn the blender to low....(a pen was suppose to write under cream)
Brilliant idea ... It's on my must make tool list. Thanks for sharing, ATB Dean
Thanks Dean
I have seen some of Chui's work and the man is phenomenal. I like the way you demonstrate the use of the DTI, make me think I could do the same. Probably not with the accuracy you have shown, but better than my usual work. Many thanks.
Hello James...thanks for viewing and commenting, I hope all is well and we will get together once this world resumes life...
That's a great idea Chuck.
Thank you for viewing and your comment
Very nice Chuck, I like it. And I like your pin gauge set. I would have to use my snap gauge and mic. Thanks for sharing. Gary
Thank you Gary....
Enjoyed Chuck!
ATB, Robin
Hello Robin, thank you for viewing and commenting...ATB
Good deal Chuck, I like it.
thanks Randy! ATB
Hi Chuck,
A really interesting video... Thanks for making and sharing...
Take care
Paul,,
Thank you Paul for viewing and commenting..
Gday Chuck, that’s a brilliant idea, I’ll be making myself one very soon, thanks for sharing, cheers Matty
Thanks Matty, just jumped over to your channel and hit the sub button....I will watching a bunch from your library...best
That Chuck is very handy addition - may have to add that to my ''to-do'' list, if I ever manage to get back in the shop for long enough! Mind you - this old fella doesn't often worry too much about the odd 1/10th here and there :)
Hello Chris....I hope you get some shop time, I know winter is coming for you....I finally after YEARS installed 1" insulation on the ceiling in my machine room....what a difference and what a dummy for waiting so long. ATB
Great idea. On my to do list now. Cheers
Rupert...thanks for viewing and commenting....best regards
The Three Stooges reference was awesome. I watched them as a kid
I watched as a kid and I record and watch now(ME TV)....still has the family laughing....my 11 year old grandkids even got them to laugh...thanks for viewing...
Thank you Sir! Excellent idea. I'll have to make one of those. As an aside, I'd like to add, you might try using an Allen wrench (normal "L" configuration) I've found that they provide much better control when dialing in those fine adjustments.
John, thanks for viewing and your comments, I might do a short follow up showing the unit used on the dial side when the boring bar is in the far hole, of course, then the L configuration is required...
Great idea
thank you Craig for viewing and your comment
Pretty slick.
thanks for viewing....
Hey Chuck Harold is right your a really nice guy
Thank you Doug for viewing and the compliment
I believe Bokum made a boring head that incorporated a dial indiator
thanks for viewing and commenting...
Chuck, how much is a "tad?"
Hello Craig...thanks for viewing...to answer your question, IMO a tad is less that a C-hair which as you know can vary, the tad is generally consistent...
@@outsidescrewball: So it's less than a mess but more that a pinch?
One comment Chuck, if you're chasing tenths with carbide it will be difficult, you should be chasing those small increments with HSS, IMO. Carbide is not good with such small increments.
thanks for viewing and it was a HSS tool, you better watch Stephan regarding carbide and small cuts....ATB
@@outsidescrewball I couldn't tell Chuck, me eyes, they ain't what they used to be...arggghhhhh argggghhhhh
I will watch Stephan, I know I haven't had good luck trying to take small amounts off with carbide, could be the way he grinds his inserts on the d-bit, by default carbide will not do very good on light cuts. Anyway, was just a heads up.☺️
This is a good idea. However, the Cosine strikes back!
Using a dial test indicatorin a way that the needle is not perpendicular to the measured distance will have an error in the result. The error is the bigger the more the angle deviates from 90 degrees.
It is perfecty fine to use this method for relative measurements but to move one thou for example (and exactly) might give You a lot less movement than You measured. With 45 degrees the movement is more like half a thou.
Edit: I noticed that You were aware of this error. Sorry.
yep, I have a couple of federal tenth indicators that are regular and they are straight, would like to see if that offers a better chance of hitting it directly each time.
Do not worry about your edit....thank you for watching and your comments....yes there would be cosine error, but IMO this error could be learned as you use the boring head....but your information is good as others will read comments and learn....
I've still got the HSM magazine article that details the boring head indicator mount you mentioned in the beginning of the video Chuck. That one's still on the "someday" project list. This may sound critical, it isn't meant that way, I'm trying to be factual. A boring head has zero difference from any other machine tool slide, and all slides require at least some periodic maintenance if you expect smooth movement and accuracy. In other words they need pulling apart for a though cleaning, fresh lubrication to replace the old congealed lube, wear particles just from using them etc, and then reassembly and properly readjusting the gib screws. Hard to properly judge just by watching a video, but your boring head seems to be much stiffer to move than it should be. That alway's results in a stick / slip situation and a very logical reason why you found it hard to get an accurate measured movement to an exact 10th without over shooting the target number. Secondly gauge pins no matter how accurately made and measured are still only an indicator of roughly where the actual bore size is if your really trying for that one 10ths accuracy. An "exact" precision ground and lapped 1.000000" gauge pin will not fit into another "exact" precision bored, ground and lapped 1.000000" hole. The pin HAS to be undersized by at least a bit. Obviously the higher the precision is for the pin and hole surface is the less under size the pin would need to be. But physics dictates it still has to be very slightly undersized before it will enter the hole. And withdrawing the boring bar with the spindle stopped will and has to cause at least a micro burr on the wall of the hole that will also affect your pin fit. One of Tom Lipton videos from years ago even mentions it and why he always off sets the part a few thou on his dro when withdrawing the boring bar.
Accurate and dependable 10ths measurement even with the best micrometers, hole gauges etc is a whole lot tougher than most think. To avoid repeating what a few professional machinist's have already said, post #19 & #20 here www.practicalmachinist.com/vb/metrology/mitutoyo-vs-b-s-382674/#post3636450 are well worth reading. But I've read dozens of posts saying much the same. So yes your measurements were very close, but certainly not within a known 10th. I'd say they they were well within a very few 10ths, but there's no real certainty of which exact 10th that might be. It was a very good video and what you showed should still be close enough for even most bearing fits. Criterion and many others made and still make 10ths settable boring heads, but I'm sure you already know there far more expensive than the more standard heads. The accessory you showed is certainly a way around that. Will there be that cosine error? Probably, but on low 10ths movements I'm not sure it would even be measurable given all the other variables.
thank you for viewing and your insightful comments which I agree with 100%, I am planning to do a follow up video on the unit and I am going to mention much of your content...ATB
Great work there Chuck. You will be competing with Tom Lipton for most accurate. Give Howie a scratch behind the ears for me.
Howie says woof! and thanks for viewing...
I will be stealing that idea. Could it be a bit of deflection of that small boring head. Try doing a couple of spring passes & you might be on the money. Cheers Peter
Peter...thanks for viewing and you are correct....
deburring the top of the hole may help
I agree...thanks for viewing and your comment
I only bought a 0.000 5" indicator. I don't want to be fiddling with 0.000 1" increments. I'll leave that to Robin and Stefan LOL. Great idea though, even if you used it with a regular 0.001" indicator for doing bigger adjustments.
Barry, that was the basic idea in the video and I really didn't explain well, the tool allows the ability to make small cuts, as I mentioned reading the dial on the boring head is doable, but not easy
Nice idea even if you wanna Just use a thousandth indicator I don't see why you couldn't just make the arm to fit an indicator on its side so the dial is facing you when using a 001 indicator 👍👍👍
hope you will see the update video and fyi I have another version that will be up loaded soon
Hang on to the tightest pin for a while , it wont go. Tolerances of that order require close temperature control. Anything needing that close needs a lap or a grind.
James...TRUTH...just a demo to show that small moves could be attained....thanks for watching and commenting