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tech / rec.crafts.metalworking / Re: 3/4 Round Corner Gage

SubjectAuthor
* 3/4 Round Corner GageBob La Londe
+* Re: 3/4 Round Corner GageDavid Billington
|`* Re: 3/4 Round Corner GageBob La Londe
| `* Re: 3/4 Round Corner GageJim Wilkins
|  +- Re: 3/4 Round Corner GageDavid Billington
|  `- Re: 3/4 Round Corner GageBob La Londe
+* Re: 3/4 Round Corner GageDavid Billington
|+- Re: 3/4 Round Corner GageBob La Londe
|`* Re: 3/4 Round Corner GageJim Wilkins
| `* Re: 3/4 Round Corner GageBob La Londe
|  `* Re: 3/4 Round Corner GageJim Wilkins
|   `* Re: 3/4 Round Corner GageBob La Londe
|    `* Re: 3/4 Round Corner GageJim Wilkins
|     `* Re: 3/4 Round Corner GageBob La Londe
|      `* Re: 3/4 Round Corner GageJim Wilkins
|       `- Re: 3/4 Round Corner GageJim Wilkins
`* Re: 3/4 Round Corner GageBob La Londe
 `* Re: 3/4 Round Corner GageJim Wilkins
  `* Re: 3/4 Round Corner GageBob La Londe
   `* Re: 3/4 Round Corner GageJim Wilkins
    `* Re: 3/4 Round Corner GageBob La Londe
     `* Re: 3/4 Round Corner GageJim Wilkins
      `* Re: 3/4 Round Corner GageBob La Londe
       `* Re: 3/4 Round Corner GageJim Wilkins
        +* Re: 3/4 Round Corner GageSnag
        |+* Re: 3/4 Round Corner GageJim Wilkins
        ||`* Re: 3/4 Round Corner GageSnag
        || `- Re: 3/4 Round Corner GageJim Wilkins
        |`* Re: 3/4 Round Corner GageBob La Londe
        | `- Re: 3/4 Round Corner GageSnag
        `- Re: 3/4 Round Corner GageBob La Londe

Pages:12
Re: 3/4 Round Corner Gage

<tu235q$1b5qo$1@dont-email.me>

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From: muratla...@gmail.com (Jim Wilkins)
Newsgroups: rec.crafts.metalworking
Subject: Re: 3/4 Round Corner Gage
Date: Sun, 5 Mar 2023 07:49:04 -0500
Organization: A noiseless patient Spider
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 by: Jim Wilkins - Sun, 5 Mar 2023 12:49 UTC

"Snag" wrote in message news:tu13k8$17l2l$1@dont-email.me...

After watching this discussion , I have decided to interrupt my
current project - a fixture to sharpen the ends of end mills - to make
one of these . Beats trying to figure out why the truck won't run well .
I'm about to just buy an Edelbrock to put on it . The Holley is just
pissin' me off .

Snag
"You can lead a dummy to facts
but you can't make him think."

-------------------------

I found weak V8 cylinders by dribbling water on the exhaust manifold and
comparing the drying rates. A thermal imager to more easily identify hot and
cold areas of equipment and the house insulation is on order, my birthday
present. I hope it can reveal yellowjacket nests in the ground.

In the 90's I used the company's thermal and near infrared imagers on
electronics but couldn't justify the high price. I solved a problem of
uneven heat transfer by the ancient method of filing and scraping to fit,
which goes quickly on aluminum. The overheating component's warped heatsink
was too thin to flycut and I didn't want to tell the engineer his prized
find was defective. That was the only satellite project I was ever invited
to participate in and I did a lot of extra machining at home to stay on it.
My usual jobs were on ground support equipment like portable terminals.

I'd like to know how you made the endmill fixture when you finish. I gamed
several ways to copy mine with the equipment on hand but didn't really like
the insecure dual angled clamping.

Re: 3/4 Round Corner Gage

<tu2fl3$1cro6$1@dont-email.me>

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https://www.novabbs.com/tech/article-flat.php?id=7073&group=rec.crafts.metalworking#7073

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From: Snag_...@msn.com (Snag)
Newsgroups: rec.crafts.metalworking
Subject: Re: 3/4 Round Corner Gage
Date: Sun, 5 Mar 2023 10:23:06 -0600
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 by: Snag - Sun, 5 Mar 2023 16:23 UTC

On 3/5/2023 6:49 AM, Jim Wilkins wrote:
> "Snag"  wrote in message news:tu13k8$17l2l$1@dont-email.me...
>
>   After watching this discussion , I have decided to interrupt my
> current project - a fixture to sharpen the ends  of end mills - to make
> one of these . Beats trying to figure out why the truck won't run well .
> I'm about to just buy an Edelbrock to put on it . The Holley is just
> pissin' me off .
>
> Snag
> "You can lead a dummy to facts
> but you can't make him think."
>
> -------------------------
>
> I found weak V8 cylinders by dribbling water on the exhaust manifold and
> comparing the drying rates. A thermal imager to more easily identify hot
> and cold areas of equipment and the house insulation is on order, my
> birthday present. I hope it can reveal yellowjacket nests in the ground.

Last night I ordered an Edelbrock 600 cfm w/electric choke . The guy
is going to buy both of the Holleys as cores for a c-note each ... I
think most of the problems I'm having are due to excessively rich
idle/low speed mix . This motor has just had a complete rebuild
....including some performance enhancing parts . Has like maybe 20 miles
on it , plus a couple of hours idling/tuning .

>
> In the 90's I used the company's thermal and near infrared imagers on
> electronics but couldn't justify the high price. I solved a problem of
> uneven heat transfer by the ancient method of filing and scraping to
> fit, which goes quickly on aluminum. The overheating component's warped
> heatsink was too thin to flycut and I didn't want to tell the engineer
> his prized find was defective. That was the only satellite project I was
> ever invited to participate in and I did a lot of extra machining at
> home to stay on it. My usual jobs were on ground support equipment like
> portable terminals.
>
> I'd like to know how you made the endmill fixture when you finish. I
> gamed several ways to copy mine with the equipment on hand but didn't
> really like the insecure dual angled clamping.
>

The collet holder was the easy part ... The block was machined by
laying it on a wood block I cut on my chop saw , 5° on the length with a
2° tilt to one side . once I established that plane I machined both long
sides perpendicular to the bottom side , then used those flats and some
tweaking to machine the 20° portion of the bottom . Short ends are
squared to the top surface . I'll be boring the hole with the top flat
on a drive plate on the lathe .
I'm not sure why you think the clamping is insecure . The only
clamping that I think might be a problem is clamping the block to the
drive plate for the boring operation , and I think I have that figured
out . I'll be using the rotary table to make the indexing dimples in the
collet holder and to drill and tap the collet lock screw hole . Won't
even have to square it on the mill table for these operations ...
--
Snag
"You can lead a dummy to facts
but you can't make him think."

Re: 3/4 Round Corner Gage

<tu2jru$1d8s9$1@dont-email.me>

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https://www.novabbs.com/tech/article-flat.php?id=7074&group=rec.crafts.metalworking#7074

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From: muratla...@gmail.com (Jim Wilkins)
Newsgroups: rec.crafts.metalworking
Subject: Re: 3/4 Round Corner Gage
Date: Sun, 5 Mar 2023 12:33:55 -0500
Organization: A noiseless patient Spider
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 by: Jim Wilkins - Sun, 5 Mar 2023 17:33 UTC

"Snag" wrote in message news:tu2fl3$1cro6$1@dont-email.me...

I'm not sure why you think the clamping is insecure . The only
clamping that I think might be a problem is clamping the block to the
drive plate for the boring operation , and I think I have that figured
out . I'll be using the rotary table to make the indexing dimples in the
collet holder and to drill and tap the collet lock screw hole . Won't
even have to square it on the mill table for these operations ...
Snag

---------------------

The method I suggested was kinematically accurate for the angles but gave
the block only point and line contact that might deform under clamping and
machining force and let the block slip. Your angled wood fixture should
allow more secure clamping.

Re: 3/4 Round Corner Gage

<tu2kia$1dam8$1@dont-email.me>

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https://www.novabbs.com/tech/article-flat.php?id=7075&group=rec.crafts.metalworking#7075

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From: non...@none.com99 (Bob La Londe)
Newsgroups: rec.crafts.metalworking
Subject: Re: 3/4 Round Corner Gage
Date: Sun, 5 Mar 2023 10:46:50 -0700
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 by: Bob La Londe - Sun, 5 Mar 2023 17:46 UTC

On 3/4/2023 8:51 PM, Snag wrote:
> On 3/4/2023 8:54 PM, Jim Wilkins wrote:
>> "Bob La Londe"  wrote in message news:tu0is5$1306o$1@dont-email.me...
>>
>> On 3/4/2023 3:03 PM, Jim Wilkins wrote:
>>> "Bob La Londe"  wrote in message news:tu019a$11bht$2@dont-email.me...
>>>
>>> The barrel would have to go down for the replaceable anvil to go in the
>>> center bore (to reach past center).  I'd have to raise the vise or mount
>>> the collet block on a 2/4/6 block or something like that.  LOL.  To be
>>> fair It didn't dawn on me right away when I first thought of using that
>>> style mic either.
>>>
>>> Bob La Londe
>>>
>>> ---------------------
>>>
>>> I lost you. Wasn't the goal to measure if the quadrant cutout had
>>> been milled exactly to the center, horizontally and vertically?
>>> https://clough42.com/2017/11/30/making-split-cylinder-edge-finding-tool/
>>> He used a gage block to measure it. I assumed you would have if you
>>> owned one, and simply tested the Uni-Mike's capability.
>>>
>>
>> ****Ultimately you can get better cuts by ->NOT<- dismounting and
>> remounting the part you are making multiple times.  While it may be
>> possible it increases the chance of operator induced error
>> exponentially.****
>>
>> Yes, I did take the part out to measure it.  I used a height gage.  The
>> same one I use for measuring tool heights in tool holders for the CNC
>> mills.  By touching the TGP round surface and zeroing you can a quite
>> accurate measurement.  (I'm pretty sure I mentioned i started with a
>> piece of TGP rod)  The funny part here is I could have used that method
>> in place on the mill, but I had already dismounted the part once.  The
>> mill table being pretty new is quite good enough. My results might have
>> been better.
>>
>> Since I cut it to final dimensions as stated by end milling and ->NOT<-
>> side milling for practical reasons I could not measure it with the mic
>> you and I both thought of without taking it out of the vise or by boring
>> a large hole in the table of the mill.  While I am not normally opposed
>> to modifying expensive tools if it makes money I would have had a hard
>> to justifying to myself making a large hole in the table so the barrel
>> of the mic could hang down.
>>
>> I took it out of the vise.  I didn't have that mic anyway.  I used a
>> height gage on the surface plate.
>>
>> I would also point out that I didn't watch ANYBODY'S video step by step
>> as a tutorial.  Its often counter productive as I rarely have exactly
>> the same tools they have.  I knew I needed one for the job, what
>> tolerances I could live with, and I made one with the tools I had handy.
>>
>> Yes, there were better methods of measurement.  I used one, although I
>> did not use it in the best way.  The mic you and I both thought of was
>> actually not one of them as the part would still have needed to be
>> dismounted to use.  Even if it would do the job I don't have one.  Yes I
>> have lots of gage blocks.  Building a gage block stack would have been
>> no better, and has no bearing on the fact that we both considered a tool
>> that was not actually the optimum tool for the job even though it appear
>> to be.
>>
>> I'm not sure what the argument is here.  I successfully made the part
>> the tool was made for and have it on the front bench for packaging now.
>> I detailed how it was not a perfect tool just for the edification of
>> others.  I pointed out how we both initially thought of the same
>> measuring tool.  I pointed out how that tool would not have been any
>> better, and in fact the choice I made was better even if I didn't use it
>> the best way.  I even noted (in this post) what would have been the
>> better way.  What else is it you are trying to prove here?  That I
>> didn't do it exactly the same way as Clough?  Okay.  I didn't.  He
>> didn't make a perfect tool either.  Just ask him.  That I didn't make a
>> perfect tool?  Admitted already.  That I didn't use the best method?
>> Admitted.  That you are smarter than me?  Okay, maybe.  That doesn't
>> mean I'm not smart enough.  That my method was a failure?  I disagree.
>> My part is not only finished its been tested.  The holes in opposing
>> pieces at a 45 degree angle line up and the pull pins (4 of them) drop
>> in easily.  8 holes in 4 pieces had to line up 4 times.  They do.  The
>> mold makes good castings (also tested).  If I throw the gage away right
>> after I hit send on this post I'm money ahead because the job got done.
>>
>> If I offended you by pointing out I had considered the same tool and
>> that I didn't agree it would have been ideal after I thought about it...
>> sorry.  I haven't change my mind though.  Ultimately I think the reason
>> I didn't get a "better" part was unrelated.  I think as already detailed
>> its because its was in a cheap vise.
>>
>
>   After watching this discussion , I have decided to interrupt my
> current project - a fixture to sharpen the ends  of end mills - to make
> one of these . Beats trying to figure out why the truck won't run well .
> I'm about to just buy an Edelbrock to put on it . The Holley is just
> pissin' me off .

Excellent choice. I've run a few Holley carbs, and found they run best
if you tinker with them between every speed run. Even if the change is
to the adjustment you set it for three runs ago. LOL

--
Bob La Londe
Proffessional Hack, Hobbyist, Wannabe, Shade Tree, Button Pushing, Not a
real machinist

--
This email has been checked for viruses by AVG antivirus software.
www.avg.com

Re: 3/4 Round Corner Gage

<tu2pvg$1dtml$1@dont-email.me>

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https://www.novabbs.com/tech/article-flat.php?id=7076&group=rec.crafts.metalworking#7076

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From: Snag_...@msn.com (Snag)
Newsgroups: rec.crafts.metalworking
Subject: Re: 3/4 Round Corner Gage
Date: Sun, 5 Mar 2023 13:19:08 -0600
Organization: A noiseless patient Spider
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 by: Snag - Sun, 5 Mar 2023 19:19 UTC

On 3/5/2023 11:46 AM, Bob La Londe wrote:
> On 3/4/2023 8:51 PM, Snag wrote:
>> On 3/4/2023 8:54 PM, Jim Wilkins wrote:
>>> "Bob La Londe"  wrote in message news:tu0is5$1306o$1@dont-email.me...
>>>
>>> On 3/4/2023 3:03 PM, Jim Wilkins wrote:
>>>> "Bob La Londe"  wrote in message news:tu019a$11bht$2@dont-email.me...
>>>>
>>>> The barrel would have to go down for the replaceable anvil to go in the
>>>> center bore (to reach past center).  I'd have to raise the vise or
>>>> mount
>>>> the collet block on a 2/4/6 block or something like that.  LOL.  To be
>>>> fair It didn't dawn on me right away when I first thought of using that
>>>> style mic either.
>>>>
>>>> Bob La Londe
>>>>
>>>> ---------------------
>>>>
>>>> I lost you. Wasn't the goal to measure if the quadrant cutout had
>>>> been milled exactly to the center, horizontally and vertically?
>>>> https://clough42.com/2017/11/30/making-split-cylinder-edge-finding-tool/
>>>>
>>>> He used a gage block to measure it. I assumed you would have if you
>>>> owned one, and simply tested the Uni-Mike's capability.
>>>>
>>>
>>> ****Ultimately you can get better cuts by ->NOT<- dismounting and
>>> remounting the part you are making multiple times.  While it may be
>>> possible it increases the chance of operator induced error
>>> exponentially.****
>>>
>>> Yes, I did take the part out to measure it.  I used a height gage.  The
>>> same one I use for measuring tool heights in tool holders for the CNC
>>> mills.  By touching the TGP round surface and zeroing you can a quite
>>> accurate measurement.  (I'm pretty sure I mentioned i started with a
>>> piece of TGP rod)  The funny part here is I could have used that method
>>> in place on the mill, but I had already dismounted the part once.  The
>>> mill table being pretty new is quite good enough. My results might have
>>> been better.
>>>
>>> Since I cut it to final dimensions as stated by end milling and ->NOT<-
>>> side milling for practical reasons I could not measure it with the mic
>>> you and I both thought of without taking it out of the vise or by boring
>>> a large hole in the table of the mill.  While I am not normally opposed
>>> to modifying expensive tools if it makes money I would have had a hard
>>> to justifying to myself making a large hole in the table so the barrel
>>> of the mic could hang down.
>>>
>>> I took it out of the vise.  I didn't have that mic anyway.  I used a
>>> height gage on the surface plate.
>>>
>>> I would also point out that I didn't watch ANYBODY'S video step by step
>>> as a tutorial.  Its often counter productive as I rarely have exactly
>>> the same tools they have.  I knew I needed one for the job, what
>>> tolerances I could live with, and I made one with the tools I had handy.
>>>
>>> Yes, there were better methods of measurement.  I used one, although I
>>> did not use it in the best way.  The mic you and I both thought of was
>>> actually not one of them as the part would still have needed to be
>>> dismounted to use.  Even if it would do the job I don't have one.  Yes I
>>> have lots of gage blocks.  Building a gage block stack would have been
>>> no better, and has no bearing on the fact that we both considered a tool
>>> that was not actually the optimum tool for the job even though it appear
>>> to be.
>>>
>>> I'm not sure what the argument is here.  I successfully made the part
>>> the tool was made for and have it on the front bench for packaging now.
>>> I detailed how it was not a perfect tool just for the edification of
>>> others.  I pointed out how we both initially thought of the same
>>> measuring tool.  I pointed out how that tool would not have been any
>>> better, and in fact the choice I made was better even if I didn't use it
>>> the best way.  I even noted (in this post) what would have been the
>>> better way.  What else is it you are trying to prove here?  That I
>>> didn't do it exactly the same way as Clough?  Okay.  I didn't.  He
>>> didn't make a perfect tool either.  Just ask him.  That I didn't make a
>>> perfect tool?  Admitted already.  That I didn't use the best method?
>>> Admitted.  That you are smarter than me?  Okay, maybe.  That doesn't
>>> mean I'm not smart enough.  That my method was a failure?  I disagree.
>>> My part is not only finished its been tested.  The holes in opposing
>>> pieces at a 45 degree angle line up and the pull pins (4 of them) drop
>>> in easily.  8 holes in 4 pieces had to line up 4 times.  They do.  The
>>> mold makes good castings (also tested).  If I throw the gage away right
>>> after I hit send on this post I'm money ahead because the job got done.
>>>
>>> If I offended you by pointing out I had considered the same tool and
>>> that I didn't agree it would have been ideal after I thought about it...
>>> sorry.  I haven't change my mind though.  Ultimately I think the reason
>>> I didn't get a "better" part was unrelated.  I think as already detailed
>>> its because its was in a cheap vise.
>>>
>>
>>    After watching this discussion , I have decided to interrupt my
>> current project - a fixture to sharpen the ends  of end mills - to
>> make one of these . Beats trying to figure out why the truck won't run
>> well . I'm about to just buy an Edelbrock to put on it . The Holley is
>> just pissin' me off .
>
> Excellent choice.  I've run a few Holley carbs, and found they run best
> if you tinker with them between every speed run.  Even if the change is
> to the adjustment you set it for three runs ago.  LOL
>
>

I like to tinker but ... I just haven't been able to get this thing
tinkered to the point where it's reliable . I ordered an Edelbrock 1604
600 CFM last night . Only thing I haven't figured out yet is which
bracket to use for the throttle/transmission cables .
--
Snag
"You can lead a dummy to facts
but you can't make him think."

Re: 3/4 Round Corner Gage

<tu31g0$1ek5i$1@dont-email.me>

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https://www.novabbs.com/tech/article-flat.php?id=7077&group=rec.crafts.metalworking#7077

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From: non...@none.com99 (Bob La Londe)
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Subject: Re: 3/4 Round Corner Gage
Date: Sun, 5 Mar 2023 14:27:27 -0700
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 by: Bob La Londe - Sun, 5 Mar 2023 21:27 UTC

On 3/4/2023 7:54 PM, Jim Wilkins wrote:
>
> If you decide to buy a Uni-Mike or luck onto a good deal as I did (minus
> the anvils) it appears to be able to make this quadrant cutout
> measurement on up to its full 1" OD capacity. Otherwise I haven't used
> mine enough to justify the retail price.

Likely I'll pick one up at some point and have similar usage. Rare cases.

--
Bob La Londe
CNC Molds N Stuff

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