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PostPosted: Thu Mar 03, 2011 10:20 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
Hello I had time to share on one way of fixing the screwed up Tapped Hole
by not weld it up .

so Thank you for taking a look :-)


SpeedChaser :-)


Attachments:
File comment: threaded hole for the stator
one of the hole was drill on the side of the bolt that broke off in the case

DSCN4126.jpg [445.32 KiB]
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File comment: I took a scriber or pointed tool and prayed out a piece of the old screw that they broke off in the case
DSCN4131.jpg [393.02 KiB]
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File comment: got most of it out note how the hole is off center now we need to see what size of hole we have .
it looks like i can put a 5/16 taped hole in there after i try to center up the hole.

DSCN4132.jpg [336.92 KiB]
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File comment: got some 5/16 aluminum rod off the shelf or you can try to find some aluminum threaded rod or a screw
I used the rod and will thread it to what i need

DSCN4134.jpg [392.42 KiB]
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File comment: ended up using a 5/16-25 threading die
DSCN4135.jpg [412.76 KiB]
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PostPosted: Thu Mar 03, 2011 10:20 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
SpeedChaser :-)


Attachments:
File comment: well thread the rod keep it straight
DSCN4136.jpg [345.4 KiB]
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File comment: turned out good good to go
DSCN4137.jpg [345.88 KiB]
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File comment: Time to straighten the hole a little
before i try to tape the hole but don't go to far

DSCN4139.jpg [428.17 KiB]
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File comment: turned out good
DSCN4141.jpg [447.32 KiB]
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File comment: not to bad of a taped hole
make sure up tap all the way to the bottom of the hole

DSCN4142.jpg [509.25 KiB]
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PostPosted: Thu Mar 03, 2011 10:20 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
SpeedChaser :-)


Attachments:
File comment: test the threaded rod make sure it fit all the way in
DSCN4143.jpg [464.16 KiB]
Downloaded 139 times
File comment: get out your retaining compound
the stuff i use is loctite 680
but this can be done with out it too
I just don't what it to come out

DSCN4144.jpg [425.88 KiB]
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File comment: put some on there then thread it in and bottom it out tight but don't strip it out
DSCN4145.jpg [509.21 KiB]
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File comment: well time to cut it off and leave about 1/8 to 3/16 high
DSCN4147.jpg [401.23 KiB]
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File comment: all cut off
DSCN4148.jpg [468.8 KiB]
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PostPosted: Thu Mar 03, 2011 10:20 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
Time to get primitive
Image

SpeedChaser :-)


Attachments:
File comment: Time to get primitive
DSCN4149.jpg [361.72 KiB]
Downloaded 138 times
File comment: now tap on the top of the threaded rod that you cut off
just enough to mushroom over the top off the stud

DSCN4150.jpg [372.06 KiB]
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File comment: what this dose is it pushes the metal
to the out side wall of the tapped hole so it will not come out or turn.
this is how we plug holes in steel that we need to move or do not need any more

DSCN4151.jpg
DSCN4151.jpg [ 613.55 KiB | Viewed 1741 times ]
File comment: now cut off the rest of it and grind or file flat
DSCN4152.jpg [350.1 KiB]
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File comment: now I use transfer punches
to find center

DSCN4155.jpg [479.55 KiB]
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PostPosted: Thu Mar 03, 2011 10:21 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
next
SpeedChaser :-)


Attachments:
File comment: find the right size and line it up on the other hole so you get the just of it
DSCN4156.jpg [539.07 KiB]
Downloaded 138 times
File comment: this what it looks like on the end of the transfer punch
DSCN4157.jpg [360.81 KiB]
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File comment: line it up
DSCN4158.jpg [312.09 KiB]
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File comment: make sure its lined up
then give it tap with a hammer

DSCN4159.jpg [412.82 KiB]
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File comment: that is what it should look like
DSCN4160.jpg [358.55 KiB]
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PostPosted: Thu Mar 03, 2011 10:21 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
SpeedChaser :-)


Attachments:
File comment: now lets see what size drill we need for a 6mm x 1
DSCN4162.jpg [403.6 KiB]
Downloaded 137 times
File comment: OK its a #9 or a 3/16 witch would be a little tight . I always use a smaller drill bit to pick up the prick punched hole because the bit will bend a little in this case i would use a 1/8" dia or smaller . now just drill in a 1/4" to 3/8 deep. then go to the bigger size drill bit
DSCN4164.jpg [418.75 KiB]
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File comment: now take to tap drill and stick it in the other hole and put a spot of paint on it so you can see how deep you need to go
DSCN4165.jpg [512.86 KiB]
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File comment: drill your hole straight in use a drill press or hand drill this time i used a hand drill
DSCN4166.jpg [463.15 KiB]
Downloaded 137 times
File comment: now chamfer the top of the hole
with a chamfer bit

DSCN4167.jpg [443.49 KiB]
Downloaded 137 times
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PostPosted: Thu Mar 03, 2011 10:21 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
thanks for looking


SpeedChaser :-)


Attachments:
File comment: all chamfered up
DSCN4169.jpg [452.84 KiB]
Downloaded 124 times
File comment: all taped and look new
DSCN4171.jpg [388.72 KiB]
Downloaded 124 times
DSCN4173.jpg
DSCN4173.jpg [ 553.29 KiB | Viewed 1727 times ]
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PostPosted: Thu Mar 03, 2011 10:22 am 
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Joined: Sat Jun 30, 2007 7:45 am
Posts: 1016
Location: hole above ground
just in case i need 8 spots

well got in seven :-)


SpeedChaser :-)


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PostPosted: Thu Mar 03, 2011 4:33 pm 
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Joined: Mon Jul 19, 2010 3:20 pm
Posts: 1264
Location: saskatoon, sk, canada
wow that turned out really good..always wondered how to fix a stripped out hole..i have a couple that could use repair


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PostPosted: Thu Mar 03, 2011 5:47 pm 
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Joined: Thu May 20, 2010 5:14 am
Posts: 214
thank you for the lesson master SpeedChaser


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PostPosted: Thu Mar 03, 2011 9:26 pm 
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Joined: Tue Dec 23, 2003 10:31 pm
Posts: 5523
Location: New Jersey
Simply amazing. Really is. I can't remember if there are any other threads on that case in need of repair Speed.Thanks for noticing that for me!!!!
Those punches are sweet, are they a common sold item by chance?


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PostPosted: Thu Mar 03, 2011 10:09 pm 
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Joined: Thu Jan 27, 2011 9:28 pm
Posts: 68
SpeedChaser
Would you think JB weld would work or is loctite better.
Eagles17


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PostPosted: Thu Mar 03, 2011 10:23 pm 
Online

Joined: Mon Oct 25, 2004 10:02 am
Posts: 2208
Location: East Peoria IL
Mudbogger wrote:
Simply amazing. Really is. I can't remember if there are any other threads on that case in need of repair Speed.Thanks for noticing that for me!!!!
Those punches are sweet, are they a common sold item by chance?


You Can get a set from harbor freight for $10.00 - I'm sure they are not the best if you only use them afew times the price is right.

http://www.harborfreight.com/catalogsea ... sfer+punch" ."..

These are real nice if you make your own gasket - put the gasket on a block of wood and hit with a hammer and you got a hole.

http://www.harborfreight.com/9-piece-ho ... -3838.html


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PostPosted: Fri Mar 04, 2011 10:50 am 
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Joined: Tue Feb 26, 2008 12:48 am
Posts: 186
Location: Pittsburgh, PA
That is an interesting way of fixing stripped holes that I hadn't considered before, thanks for sharing. I see the main advantage is if the damaged hole gets off center, you can get it back on center this way.

Have you ever used steel thread locking inserts? http://www.mcmaster.com/#threaded-inserts/=baccxj The ones with the keys work great. The only issue is finding one that has the right thread sizes for the application, and your hole must be on center to start with.


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PostPosted: Fri Mar 04, 2011 12:23 pm 
Online

Joined: Wed Jan 14, 2009 2:10 am
Posts: 4522
Location: Carson City NV
JustMtb44 wrote:
That is an interesting way of fixing stripped holes that I hadn't considered before, thanks for sharing. I see the main advantage is if the damaged hole gets off center, you can get it back on center this way.

Have you ever used steel thread locking inserts? http://www.mcmaster.com/#threaded-inserts/=baccxj The ones with the keys work great. The only issue is finding one that has the right thread sizes for the application, and your hole must be on center to start with.


When I was just a young puppy I was a precision assembler of circuit board drilling equipment and we used these inserts on aluminum guide rails. Once they're in they're permanent and harder than a whore's heart! LOL! Work Great!

We used to call them Keenserts. It was probably the manufacturer's name.

Hat's off to ya Speed, that's an excellent fix for an area that you can't use an insert in!

Thanks for posting this....


Rand


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PostPosted: Fri Mar 04, 2011 4:00 pm 
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Joined: Thu Oct 30, 2008 8:22 pm
Posts: 2641
Location: Rancho Cucamonga, Ca
Great fix! Would a helicoil essentially do the same job?


http://www.google.com/products/catalog? ... DQQ8wIwAg#


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PostPosted: Fri Mar 04, 2011 5:33 pm 
Online

Joined: Wed Jan 14, 2009 2:10 am
Posts: 4522
Location: Carson City NV
nickRNR wrote:
Great fix! Would a helicoil essentially do the same job?


http://www.google.com/products/catalog? ... DQQ8wIwAg#" ."..


Normally if the hole was just stripped out you could possibly tap the hole to the next size larger screw or use a heli coil or an insert but in this case with the hole now off center due to damage. this is a great way to get the threaded hole back to it's original position.

Rand


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PostPosted: Fri Mar 04, 2011 5:47 pm 
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Joined: Tue Feb 26, 2008 12:48 am
Posts: 186
Location: Pittsburgh, PA
Randman wrote:
When I was just a young puppy I was a precision assembler of circuit board drilling equipment and we used these inserts on aluminum guide rails. Once they're in they're permanent and harder than a whore's heart! LOL! Work Great!

We used to call them Keenserts. It was probably the manufacturer's name.

Yes Keenserts is a brand. I have found they are easy to remove. Just drill them out to a specified size and the keys can be pulled out and the remaining insert unscrewed. But they are steel so they are harder to strip out than aluminum. We used them on a prototype vehicle at work because we didn't want to worry about stripping aluminum threads out.

nickRNR wrote:
Great fix! Would a helicoil essentially do the same job?

In my limited experience helicoils suck. I would use speedchaser's method or the thread inserts before helicoils.

Randman wrote:
Normally if the hole was just stripped out you could possibly tap the hole to the next size larger screw or use a heli coil or an insert but in this case with the hole now off center due to damage. this is a great way to get the threaded hole back to it's original position.

Exactly. Props to speedchaser for this tutorial.


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PostPosted: Fri Mar 04, 2011 6:31 pm 
Online

Joined: Wed Jan 14, 2009 2:10 am
Posts: 4522
Location: Carson City NV
JustMtb44 wrote:
Randman wrote:
When I was just a young puppy I was a precision assembler of circuit board drilling equipment and we used these inserts on aluminum guide rails. Once they're in they're permanent and harder than a whore's heart! LOL! Work Great!

We used to call them Keenserts. It was probably the manufacturer's name.

Yes Keenserts is a brand. I have found they are easy to remove. Just drill them out to a specified size and the keys can be pulled out and the remaining insert unscrewed. But they are steel so they are harder to strip out than aluminum. We used them on a prototype vehicle at work because we didn't want to worry about stripping aluminum threads out.

nickRNR wrote:
Great fix! Would a helicoil essentially do the same job?

In my limited experience helicoils suck. I would use speedchaser's method or the thread inserts before helicoils.

Randman wrote:
Normally if the hole was just stripped out you could possibly tap the hole to the next size larger screw or use a heli coil or an insert but in this case with the hole now off center due to damage. this is a great way to get the threaded hole back to it's original position.

Exactly. Props to speedchaser for this tutorial.



I have had to use heli coils for an emergency temporary fix for a VW head where the spark plug was stripped out. The heli coil lasted about an hour before the spark plug blew right out of the head with the heli coil still attached!

Needless I'm not a heli coil fan either!

Rand


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PostPosted: Fri Mar 04, 2011 8:37 pm 
Online

Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22128
Location: Chicago
Randman wrote:
JustMtb44 wrote:
Randman wrote:
When I was just a young puppy I was a precision assembler of circuit board drilling equipment and we used these inserts on aluminum guide rails. Once they're in they're permanent and harder than a whore's heart! LOL! Work Great!

We used to call them Keenserts. It was probably the manufacturer's name.

Yes Keenserts is a brand. I have found they are easy to remove. Just drill them out to a specified size and the keys can be pulled out and the remaining insert unscrewed. But they are steel so they are harder to strip out than aluminum. We used them on a prototype vehicle at work because we didn't want to worry about stripping aluminum threads out.

nickRNR wrote:
Great fix! Would a helicoil essentially do the same job?

In my limited experience helicoils suck. I would use speedchaser's method or the thread inserts before helicoils.

Randman wrote:
Normally if the hole was just stripped out you could possibly tap the hole to the next size larger screw or use a heli coil or an insert but in this case with the hole now off center due to damage. this is a great way to get the threaded hole back to it's original position.

Exactly. Props to speedchaser for this tutorial.



I have had to use heli coils for an emergency temporary fix for a VW head where the spark plug was stripped out. The heli coil lasted about an hour before the spark plug blew right out of the head with the heli coil still attached!

Needless I'm not a heli coil fan either!

Rand

http://www.locknstitch.com/sparkpluginserts.htm

My kid flooded the VW once so had him pull the plugs when he did 2 out of the 4 the threads in the heads were bad, pulled the heads and bought a spark plug insert kit from NAPA and repaired all 4 holes.


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PostPosted: Fri Mar 04, 2011 9:15 pm 
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Joined: Wed Jan 14, 2009 2:10 am
Posts: 4522
Location: Carson City NV
If you're going to do it, inserts are the way to go!

Rand


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