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how to remove this part?

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  • Member since
    April, 2019
how to remove this part?
Posted by united2019 on Friday, April 19, 2019 12:56 PM

I put a wrong AIM-9 rail thanks to hasegawa lazy instruction. how can I unglue it? it is glued by plastic cement. pic below. thanks

https://drive.google.com/open?id=1KbevIXP7Vg4p2oEVfVE5A1XBFivYN_Es

  • Member since
    March, 2003
  • From: Towson MD
Posted by gregbale on Friday, April 19, 2019 1:13 PM

My personal approach would be to put it in the freezer for about two hours...helps make the glue joint brittle...then just snap it off.

Whatever method you use, there's likely to be some filling/sanding/restoration needed.

Greg

 George Lewis:

"Every time you correct me on my grammar I love you a little fewer."
  • Member since
    April, 2019
Posted by united2019 on Friday, April 19, 2019 2:15 PM

will other parts get loose after freezer?

  • Member since
    March, 2003
  • From: Towson MD
Posted by gregbale on Friday, April 19, 2019 2:48 PM

united2019

will other parts get loose after freezer?

No, nothing really gets 'loose.' The cold just tends to make the joint areas a little more brittle, so when you stress the joint...hopefully just the part you want to remove...it should give way more easily. (How easily will depend to a large degree on how solid the bond was to begin with. The technique works well with cement-type adhesives...less-well with 'bonding' types like Weld-On, Tenax and such.)

Once the whole thing warms up again to room temperature, the 'brittle' factor should essentially disappear.

Greg

 George Lewis:

"Every time you correct me on my grammar I love you a little fewer."
  • Member since
    August, 2014
  • From: Willamette Valley, Oregon
Posted by goldhammer on Friday, April 19, 2019 3:07 PM

Might try wicking in a thin liquid cement, like Tamiya extra thin, a couple of applications over a few minute period and then wiggle it loose as it resoftens the joint.

Have done that a couple of times with minimal damage to the parts.

  • Member since
    September, 2006
  • From: Bethlehem PA
Posted by the Baron on Friday, April 19, 2019 5:31 PM

What about using a new Nr 11 blade to score along the seam between the rail and the pylon, and removing it that way?

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  • Member since
    September, 2012
Posted by GMorrison on Friday, April 19, 2019 6:02 PM

That's what I would do, and be prepared to lose either the rail or the pylon.

  • Member since
    November, 2008
  • From: Central Florida
Posted by plasticjunkie on Friday, April 19, 2019 7:56 PM

I would use GH's method to weaken the join. If that doesn't work then using the backside of a #11 blade to gently score the join line will work too. 

 GIFMaker.org_jy_Ayj_O

 

 

Too many models to build, not enough time in a lifetime!!

  • Member since
    December, 2015
  • From: providence ,r.i.
Posted by templar1099 on Saturday, April 20, 2019 6:13 AM

goldhammer

Might try wicking in a thin liquid cement, like Tamiya extra thin, a couple of applications over a few minute period and then wiggle it loose as it resoftens the joint.

Have done that a couple of times with minimal damage to the parts.


I've had success with this method only using nail polish instead of cement.

 

"le plaisir delicieux et toujours nouveau d'une occupation inutile"

  • Member since
    June, 2014
  • From: New Braunfels , Texas
Posted by Tanker - Builder on Sunday, April 21, 2019 9:48 AM

Hi;

      I use the freezer method along with what " G " suggested . What I do though, is run a NEW #11 blade backwards GENTLY ! along the join line .The new blade will find a gap if there are any .

 The only difficulty is if tube glue was used .Then use a P.E. Microsaw! T.B.

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Monday, April 22, 2019 8:44 AM

One advantage of CA is that a debonder is available for it. The debonder works well as long as you do not use too much excess.  A little goes a long way.  Too much and it will soften the plastic, though.

 

Don Stauffer in Minnesota

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Monday, April 22, 2019 7:15 PM

The suspense is killing me. Did you get the part separated?

-Greg

  • Member since
    January, 2013
Posted by BlackSheepTwoOneFour on Monday, April 22, 2019 9:25 PM

Don Stauffer

One advantage of CA is that a debonder is available for it. The debonder works well as long as you do not use too much excess.  A little goes a long way.  Too much and it will soften the plastic, though.

 

 

 

He didn't specify he used CA glue.....

  • Member since
    April, 2019
Posted by united2019 on Tuesday, April 23, 2019 3:35 PM

thanks for all your reply. looks like none of the solution is easy, so I just gave up. I already spent 4 weeks on the model, and do not want to take any risk. 

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