[Heathkit] Bead Blasting

[Carl]

----- Original Message ----- 
From: "Gary" <xfrmrs at roadrunner.com>
To: <heathkit at mailman.qth.net>
Sent: Friday, November 20, 2009 1:35 PM
Subject: Re: [Heathkit] Bead Blasting


>I use glass beads all the time in my work BUT........the secret is to run
> low air pressure (60LBS) and don't hold the blast nozzle in one place for 
> a
> long time. As Carl had mentioned, walnut shells work good but they do 
> leave
> a rougher surface than glass beads.
> Have a good weekend.
> Gary...WZ1M


Depends on air pressure and nozzle size Gary. A slightly rough texture takes 
primer better and works great for wrinkle and other textures.

I prefer my toys, Ive earned them. Manual labor doesnt have a green card (-;

Carl


> ----- Original Message ----- 
> From: "Carl" <km1h at jeremy.mv.com>
> To: "John Hensley" <w5jv at hotmail.com>; <heathkit at mailman.qth.net>
> Sent: Friday, November 20, 2009 1:01 PM
> Subject: Re: [Heathkit] Bead Blasting
>
>
>>I wouldnt bead blast any thin sheet.aluminum. Crushed walnut shells is a
>> milder media that works well and is readily available at low cost.
>>
>> The chemical strippers rarely get into the perforations completely and
>> leave
>> behind a ragged mess. Finish off with lacquer thinner and a small file to
>> clean the holes.
>>
>> Then rinse completely with lacquer thinner, wipe down with a clean rag,
>> keep
>> your cotton picking fingers off the metal, spray a thin coat of self
>> etching
>> primer, and your top coat of choice.
>>
>> Carl
>> KM1H
>>
>>
>>
>> ----- Original Message ----- 
>> From: "John Hensley" <w5jv at hotmail.com>
>> To: <heathkit at mailman.qth.net>
>> Sent: Friday, November 20, 2009 12:13 PM
>> Subject: Re: [Heathkit] Bead Blasting
>>
>>
>>>
>>> You have to be careful here, particularly with perforated (sp?)metal as
>>> the blasting may "peen" the sheet surface causingwaves & distortion.
>>> Good
>>> question for the list though.------------------------------
>>>
>>> Message: 2
>>> Date: Fri, 20 Nov 2009 02:22:21 -0500
>>> From: "Walt - WB2VSJ" <wb2vsj at earthlink.net>
>>> Subject: [Heathkit] Bead Blasting
>>> To: <heathkit at mailman.qth.net>
>>> Message-ID: <E1NBNp2-0007B4-Ab at elasmtp-junco.atl.sa.earthlink.net>
>>> Content-Type: text/plain; charset="us-ascii"
>>>
>>> Has anyone tried bead blasting a Heath SB series cabinet to remove the
>>> old
>>> paint? I have a SB-101, SB-610 and a SB-600 cabinet that have seen 
>>> better
>>> days paint-wise. Rather than sand these by hand I was thinking of 
>>> getting
>>> a
>>> small bead blaster gun from Harbor Freight and trying that.
>>>
>>>
>>>
>>> Thanks,
>>>
>>>
>>>
>>> Walt - WB2VSJ
>>>
>>>
>>>
>>> _________________________________________________________________
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>
>
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