[PSUBS-MAILIST] Gamma ring machining
via Personal_Submersibles
personal_submersibles at psubs.org
Sun Mar 8 01:07:28 EST 2015
Sure Brian,
I've been a ham for 23 yrs have a General ticket. Been meaning to get my extra class for a while, but have let other hobbies interfear ( boats, pipe organs, and interest in submarines). You can reach me direct
K6fee at yahoo.com
73
Keith
Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Hi Keith,
> Can I get your e-mail, unfortunately I only have the tech level right now so I'm not allowed to use the 40 meter stuff yet.
>
>Brian
>
>--- personal_submersibles at psubs.org wrote:
>
>From: via Personal_Submersibles <personal_submersibles at psubs.org>
>To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
>Subject: Re: [PSUBS-MAILIST] Gamma ring machining
>Date: Sat, 07 Mar 2015 15:32:31 -0800
>
>I'm a ham in Sacramento, Ca.
>
>Keith
>K6FEE
>
>Hugh Fulton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>>Hi Brian,
>>
>>I have a Ham guy working with me.
>>
>>Contact me off line. hc.fulton at gmail.com
>>
>>
>>
>>Hugh
>>
>>
>>
>>From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of Brian Cox via Personal_Submersibles
>>Sent: Sunday, 8 March 2015 10:10 a.m.
>>To: Personal Submersibles General Discussion
>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining
>>
>>
>>
>>Hey Alan,
>>
>> Do you know any Ham radio guys down there ?
>>
>>
>>
>>
>>
>>Brian,
>>
>>
>>
>>KK6IRC
>>
>>
>>
>>73
>>
>>--- personal_submersibles at psubs.org wrote:
>>
>>From: Alan James via Personal_Submersibles <personal_submersibles at psubs.org>
>>To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining
>>Date: Sat, 7 Mar 2015 19:09:51 +0000 (UTC)
>>
>>Hank,
>>
>>had a quick search but couldn't find any suitable lapping
>>
>>solution for a home builder. There were referances to thick
>>
>>plate glass with a bonded diamond surface & marble as
>>
>>lapping plates.
>>
>>Alan
>>
>>
>>
>> _____
>>
>>From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
>>To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
>>Sent: Saturday, March 7, 2015 11:29 PM
>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining
>>
>>
>>
>>Alan,
>>I have been told that it would work, but I am not convinced. I would think the machined disk needs to be harder so it does not wear down. Honestly I just don't know.
>>Hank--------------------------------------------
>>On Fri, 3/6/15, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>Subject: Re: [PSUBS-MAILIST] Gamma ring machining
>>To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
>>Received: Friday, March 6, 2015, 9:30 PM
>>
>>So
>>do you think it would work with a flatsheet
>>rotating on your reinforcing ring?I
>>had thought of doing this with the hatch & landing,
>>toget a
>>perfect seal, not sure if I would need an orbital
>>motionor
>>not.Alan
>>
>> From: hank pronk via
>>Personal_Submersibles
>><personal_submersibles at psubs.org>
>>
>>To: Personal
>>Submersibles General Discussion
>><personal_submersibles at psubs.org>
>>
>>Sent:
>>Saturday, March 7, 2015 12:52 PM
>> Subject: Re:
>>[PSUBS-MAILIST] Gamma ring machining
>>
>>
>>
>>Alan,
>>Yes I
>>have done lapping in the past. I mostly lap valves in
>>engines. It works great on two tapered faces.
>>Hank--------------------------------------------
>>On Fri, 3/6/15, Alan James via
>>Personal_Submersibles <personal_submersibles at psubs.org>
>>wrote:
>>
>> Subject: Re:
>>[PSUBS-MAILIST] Gamma ring machining
>> To:
>>"Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
>> Received: Friday, March 6, 2015, 6:39 PM
>>
>> Hank,are you
>> familiar with lapping?Rubbing
>>
>>two surfaces together with abrasive paste in
>> betweenhttp://en.wikipedia.org/wiki/Lapping
>> Haven't
>> done it but have
>>seen it in operation; you can get a very
>>
>>smoothsurface
>> with this technique. Not sure
>>if you could adapt it to your
>> newflange
>> facing machine.The
>> machine I
>>saw in operation was slow but required very little
>> attention.Alan
>>
>>
>> From: hank pronk
>>via
>> Personal_Submersibles
>>
>><personal_submersibles at psubs.org>
>>
>> To: Personal
>> Submersibles General Discussion
>> <personal_submersibles at psubs.org>
>>
>>
>> Sent:
>>
>>Saturday, March 7, 2015 12:18 PM
>> Subject:
>>Re:
>> [PSUBS-MAILIST] Gamma ring machining
>>
>>
>>
>>Steve,
>> I am half way done
>>
>>building my flange facing machine, I should be mostly
>>done
>> tomorrow. My rig already weighs
>>about 700 lbs. I think
>> it is important
>>that it is heavy and mine is built heavier
>>
>>than the ones on YouTube. If it fails I can do as you
>> mention. I actually did exactly what you say
>>on
>> Gamma's window frames. I used paint
>>and glass with fine
>> wet sand paper. I would
>>guess the SS ring was much harder
>> than the
>>516-70 I have.
>> Hank
>>
>>--------------------------------------------
>> On Fri, 3/6/15, Stephen Fordyce via
>> Personal_Submersibles <personal_submersibles at psubs.org>
>> wrote:
>>
>>
>>Subject: Re:
>> [PSUBS-MAILIST] Gamma ring
>>machining
>> To:
>>
>>"Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
>> Received: Friday, March 6, 2015, 4:06 PM
>>
>> Hi Hank,
>>
>>
>> We used
>>a flame facing machine recently at
>> work to
>>do a
>> stainless steel flange on a
>> pressure vessel about 800mm ID.
>> We hired it
>> to use
>>ourselves at great expense, and the thing
>>
>>weighed a couple of hundred kilos, was very
>>
>>solid.
>> The fitter who did the job was
>>very
>> experienced
>>
>>machinist (but hadn't used
>> one before)
>>but could not get
>> the finish
>> very smooth - I can't find photos sorry,
>>but
>> it was like regular machining grooves
>>but much
>> larger - and
>> it
>>looked pretty ordinary. He
>> spent several
>>hours with a
>> grinder cleaning
>> it up.
>> On balance, it
>>probably would have
>> been easier
>> to just flatten it manually
>>
>>with a grinder (but it was on a
>> live
>> liquefied natural gas plant and they don't
>>like
>> sparks:) ). Wasn't critical to
>>get a flat
>> face as we
>>
>>were just making room for a
>> gasket in a
>>slot to have more
>>
>>
>>compression.
>> After getting it pretty
>>flat
>> with a straight
>>
>>edge, the fine
>> stuff/quality control could
>>be done by a thin
>> layer of paint on a
>>known flat plate or
>> machined flange
>> which you put on the welded
>>
>>flange and then where there is
>> no
>>paint
>> deposited, you know that area is too
>>low. Obviously
>> paint is no good, but
>>colored oil or 2-layered
>> carbon paper
>> (nice because then you have a
>> trace of it) would probably
>>
>>work, or
>> charcoal.
>>
>>Cheers,
>>
>> Steve
>> On 06/03/2015 11:40
>> PM,
>> "hank pronk via
>>
>>Personal_Submersibles" <personal_submersibles at psubs.org>
>> wrote:
>> Brian,
>>
>> No, the machine is
>>connected
>> to the inside lip of the
>> ring. The
>> machine rotates
>>on a center pivot. The cutter
>> rotates
>>instead of the part.
>>
>>
>> Hank
>>
>>
>>
>>
>>--------------------------------------------
>>
>> On Thu, 3/5/15, Brian
>>Cox
>> via Personal_Submersibles <personal_submersibles at psubs.org>
>> wrote:
>>
>>
>>
>>
>> Subject: Re:
>> [PSUBS-MAILIST] Gamma ring
>>machining
>>
>> To:
>>"Personal Submersibles General
>>
>>Discussion"
>> <personal_submersibles at psubs.org>
>>
>> Received: Thursday,
>>March
>> 5, 2015, 9:15 PM
>>
>>
>>
>>
>>
>> Hank, are you going to
>> be
>>
>> turning the whole
>> fricking sub ?
>>
>>
>>
>>
>> Brian
>>
>>
>>
>> --- personal_submersibles at psubs.org
>>
>> wrote:
>>
>>
>>
>>
>>
>> From:
>>hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
>>
>> To: personal_submersibles at psubs.org
>>
>> Subject:
>>[PSUBS-MAILIST]
>> Gamma ring machining
>>
>>
>> Date:
>>Thu, 5 Mar 2015 18:00:24 -0800
>>
>>
>>
>>
>> Today my
>> welder came to my shop and
>>welded the
>>
>> reinforcing
>>
>> ring into
>> Gamma, 10 passes, looks perfect!
>>
>>
>>
>> Next
>> step, machine the
>>ring. I am going to make a
>>
>> flange facing machine from
>> a one ton truck full
>>
>>
>> floater differential hub
>>and a part or two borrowed
>> from
>> my
>>
>>
>> spare lathe. The rig will be hydraulic
>>drive.
>>
>> This may
>>or may not
>> work. :-) If it works and
>>I
>>
>> am confident it
>>will, I can also face CT
>> lands, with the
>> CT
>>
>>
>> welded in place.
>>
>>
>> Hank
>>
>>
>>
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>>
>>
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>>
>>
>>
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