Today's Message Index:
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1. 07:20 AM - Re: Pulled Rivet Removal Help Sought (MHerder)
2. 09:07 AM - GPS Data card (Chuck Deiterich)
3. 09:41 AM - Re: Re: Pulled Rivet Removal Help Sought (Bill Naumuk)
Message 1
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| Subject: | Re: Pulled Rivet Removal Help Sought |
As an expert in the field of rivet removal :D . I will state that on thinner gage
material i.e. .032 or less in thickness, using a pin punch is a good first
try. Do so lightly. If it doesn't budge (I knock it swiftly but not too aggressively
as to bend the material), then I move on to a good set of needle nose
pliers using more of a rolling motion. You can also back the pliers (roll against
a piece of scrap). Haven't found one yet that I couldn't get out without
damaging or otherwise elongating the hol.
Word of advice:
Pay attention when your are drilling out a rivet, if you aren't careful, it can
walk (especially ones where the stem is a little higher up) it may push your
bit one direction or another, then you have a figure 8 shaped hole.
--------
One Rivet at a Time!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 5917#205917
Message 2
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I have a Garmin GPS/COM GNC 250XL. I really like it and it works very
well. I only fly VFR and my data base is about 2001 (front panel
removable data card). If anyone has replaced their 150XL or 250XL data
card, I would interested in a more recent data card than I now have.
Chuck D.
N701TX
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| Subject: | Re: Pulled Rivet Removal Help Sought |
All-
Having had to remove hundreds of rivets, here's my technique-
1. Start with a large, 3/16-1/4" BLUNT drill chucked into a variable
speed drill set at low speed. I don't think you can do this with an air
drill, and you don't want a sharp drill or you'll go right through.
2. On slow speed, drill about 1/2 the way down the rivet. If the head
hasn't come off by now, give a couple of bursts while juking the bit with
down pressure.
3. If the head still hasn't come off, use a cold chisel to knock it off.
4. Drill the mandrel out with a #40 bit, then increase bit size to one
smaller than the finished diameter. Pull the remainder out with a good sized
set of side cutting pliers.
Rivet removal is an inexact science with everything changing from one to
another. Some will come right out, and some are a PIA.
Good luck.
Bill
----- Original Message -----
From: "MHerder" <michaelherder@beckgroup.com>
Sent: Wednesday, September 24, 2008 10:19 AM
Subject: Zenith-List: Re: Pulled Rivet Removal Help Sought
>
> As an expert in the field of rivet removal :D . I will state that on
> thinner gage material i.e. .032 or less in thickness, using a pin punch is
> a good first try. Do so lightly. If it doesn't budge (I knock it swiftly
> but not too aggressively as to bend the material), then I move on to a
> good set of needle nose pliers using more of a rolling motion. You can
> also back the pliers (roll against a piece of scrap). Haven't found one
> yet that I couldn't get out without damaging or otherwise elongating the
> hol.
>
> Word of advice:
>
> Pay attention when your are drilling out a rivet, if you aren't careful,
> it can walk (especially ones where the stem is a little higher up) it may
> push your bit one direction or another, then you have a figure 8 shaped
> hole.
>
> --------
> One Rivet at a Time!
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p 5917#205917
>
>
>
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