[PSUBS-MAILIST] overlay welding

[Hugh Fulton via Personal_Submersibles]

Hi Hank,

303 SS is easiest to machine.  Better than 304.  However there is the corrosion issue.

Google it for properties.  Hugh

 

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of hank pronk via Personal_Submersibles
Sent: Tuesday, 15 November 2016 3:49 PM
To: Personal Submersibles General Discussion
Subject: Re: [PSUBS-MAILIST] overlay welding

 

Brian,

Overlay welding is very common-Gamma has overlay weld on the hatch land.  I do fully expect it to warp, but the overlay weld will be sufficiently thick to machine it true again.  I will order some ss wire and weld up a shaft and see how it machines in my lathe before I jump into this.  I can always hang it upside down in a vat to nickel plate it.

Hank

 

On Monday, November 14, 2016 7:38 PM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 

Would not really be feasible to do that, Hank, It's very tough material first of all, and I want to be able to change props to tweet performance.  I don't want some odd ball prop connection that is not compatible with the rest of the world.

 

  You could have the thing machined perfect ( or you do it)  first before you put it on, then machine out any warp-age .  I think you're asking for trouble doing a overlay.  That could warp as well.

 

Brian

--- personal_submersibles at psubs.org wrote:

From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] overlay welding
Date: Tue, 15 Nov 2016 01:02:20 +0000 (UTC)

Brian,

That would be tough because the seat is conical, also it will be much cheaper to overlay weld.  

Why don't you make a bolt on axel extension to hold the prop.  machine the axel hub down so it is just big enough to bolt to it.

Hank

 

On Monday, November 14, 2016 5:30 PM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 

Hank,    Why don't you just weld on a stainless ring an inch or so thick and then machine that?

 

Brian

--- personal_submersibles at psubs.org wrote:

From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: [PSUBS-MAILIST] overlay welding
Date: Tue, 15 Nov 2016 00:17:56 +0000 (UTC)

Hi All,

I am back to work on Elementary 3000 and first on the list is to overlay weld my hatch seat with stainless steel and machine it down again.  I am building a vertical turret lathe instead of using my flange facing machine.  I am building the lathe as an experiment also for a future project.  

My question is, what type of SS wire should I use.  There is a chance that the sub will see salt water.   I need to keep in mind that the material needs to be machining friendly.

Hank

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