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Lower slider....big problem

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Old Feb 7, 2008 | 04:44 PM
  #11  
One Black FLHXI's Avatar
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Default RE: Lower slider....big problem

Find a machine shop with a "EDM" machine willing to remove it for you. You will be money ahead. If you are not familiar a EDM it is a "Electrical discharge machine". Nothing even touches your slider. It is removed be a controled electrical arc. (very small). I have been a Automotive prototype metal Model Maker for 32 years. We remove them from very expensive one of a kind prototypes all the time with NO damage to the part. Just my 2 cents.
 
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Old Feb 7, 2008 | 04:54 PM
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Default RE: Lower slider....big problem

ORIGINAL: One Black FLHXI

Find a machine shop with a "EDM" machine willing to remove it for you. You will be money ahead. If you are not familiar a EDM it is a "Electrical discharge machine". Nothing even touches your slider. It is removed be a controled electrical arc. (very small). I have been a Automotive prototype metal Model Maker for 32 years. We remove them from very expensive one of a kind prototypes all the time with NO damage to the part. Just my 2 cents.
Hey "One Black FLHXI" just curious, are you guys using a hole popper or a sinker top burn your taps. If "MovedtoSyracuse" could find a shop with a hole popper that has enough z it would be to much $ but is they had to put it in a sinker well that’s a little more / hour usually.
 
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Old Feb 7, 2008 | 05:09 PM
  #13  
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Default RE: Lower slider....big problem

Loner Industries, All we had was a Makino sinker. We mainly used it for plastic molds. But, in a pinch it make a good tap burner.Yes, if you are payingfor itthe cost goes up as it is slow process. Ifa shop with a kind heart and likes HD's can be found they may give a break on the hourly rate. Wehad so much investment in our parts the cost to "save it" wasn't a factor!
 
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Old Feb 7, 2008 | 05:17 PM
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Default RE: Lower slider....big problem

Hey man i had this happen with a tap while i was doing a spark plug socket... get a dremil in there and try and get a little flat spot on that mess that is left from where it broke off... then use a punch and punch it... from there... use a drill and small bit and slowly go up in bits... till you can get a decent size easy out in the whole... DECENT SIZE!!! if not it will also snap.... it will work just takes some patients... i have done it...i had to call the old man for advice on that one as well bud! let me know if you need any other help or how to i did it about a year ago... do not use a tourch... there is no reason to ruin the powdercoat... you can do this and still save it... i woudl be sure to tape up everything before i did anything, and also call the powdercoater and let them know what happened see if they have any recomendations... you never know... that tap is tough to get though so take your time... if you go slow and steady you can get this done... with just some bits and a set of easy outs... works great!
 
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Old Feb 7, 2008 | 05:21 PM
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Default RE: Lower slider....big problem

by the way... craftsman warntee for life... i would get it out and bring it back... then return the set!
 
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Old Feb 7, 2008 | 05:27 PM
  #16  
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Default RE: Lower slider....big problem

ORIGINAL: JRK5892

by the way... craftsman warntee for life... i would get it out and bring it back... then return the set!
Already returned the set.

I think the suggestion heat may be on to something. The temp has dropped greatly, and the slider is way cold. I'm wondering if the slider contracted.
 
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Old Feb 7, 2008 | 05:27 PM
  #17  
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Default RE: Lower slider....big problem

ORIGINAL: One Black FLHXI

Loner Industries, All we had was a Makino sinker. We mainly used it for plastic molds. But, in a pinch it make a good tap burner.Yes, if you are payingfor itthe cost goes up as it is slow process. Ifa shop with a kind heart and likes HD's can be found they may give a break on the hourly rate. Wehad so much investment in our parts the cost to "save it" wasn't a factor!
Sorry not tying to hijack the thread but Makino nice machine, did it have the "DDM" capability? My manufacturing back ground is in prototype/production plastic injection as well. I kind of miss it,I transferred out of that department a few years ago.
 
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Old Feb 7, 2008 | 05:34 PM
  #18  
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Default RE: Lower slider....big problem

ORIGINAL: MovedtoSyracuse

ORIGINAL: JRK5892

by the way... craftsman warntee for life... i would get it out and bring it back... then return the set!
Already returned the set.

I think the suggestion heat may be on to something. The temp has dropped greatly, and the slider is way cold. I'm wondering if the slider contracted.
I don’t think the ambient temp is what caused the tap to break, most likely the tap gauld to the ALU or chip build up. The heat suggestion was a method of releasing the tap fragment. Aluminum draws heat faster then the steel tap so if you heat it up considerably it could help get the tap lose on the expansion but it would be more than 30-40 degrees, so you powder would be a concern.
 
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Old Feb 7, 2008 | 05:38 PM
  #19  
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Default RE: Lower slider....big problem

Ok....Here's what I've done many times for broken bolts, screws, etc. I don't know if it will work in your case, because I don't know what your "oops" looks like.

Anyway, if the tap is pretty level with the slider..............meaning that it didn't break off down in the hole.......Then you can just take a Dremel with a skinny cut-off disc and grind a skinny groove across the broken tap.......essentially making it a flat-head screw. Then just screw it out with a flat-head screwdriver.
 
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Old Feb 7, 2008 | 06:41 PM
  #20  
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Default RE: Lower slider....big problem

there is also the old PUNCH and go method... but since this is a tap that will not work... if it was a normal bolt... you just give it a good wrap with a punch and this will stretch the treads just enough... from there an easy out will get it out... i would not mess with heat man... it would not play much a factor in this if you want to keep your powdercoat... Loner knows his stuff and as far as advice i would pretty much follow anything that man tells you
 
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