[concours] Front suspension plating


(Rick OBrien) #21

In reply to a message from N�ck sent Thu 1 Sep 2016:

Yes, it’s the real deal. They supply Sikorsky just down
the road. But for them they mostly do yellow cad with a
yellow chromate secondary.–
The original message included these comments:

Rick, are you certain the plating is cadmium? There are
very few shops left with the enviromental clearance
required. The reason there are any is the aircraft
industry. No single electroplate is better for corrosion



Oxford CT, United States
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(Liam O) #22

In reply to a message from john carey sent Thu 1 Sep 2016:

I know next to nothing about plating, but I am intrigued
that scrubbing something with a wire brush after plating it
will make it shine more (and not less). To me, that is
counter-intuitive. Will someone please explain it? Thanks–
The original message included these comments:

I used a wire brish to gather a little more sheen on the
parts after plating then coated them with a preservation


Liam - US-Spec '69 S2, 2+2, 4-spd, ps, ac
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(69roadster) #23

In reply to a message from ozusa sent Thu 1 Sep 2016:

i believe it is smoother the metal, the brighter the cad
will be. thus, smooth/polish before plating.–
69roadster
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(Nick Saltarelli) #24

In reply to a message from ozusa sent Thu 1 Sep 2016:

Like polishing a penny, Liam. Removing the oxidation. Wire
brush zinc plating and it will shine. Give it a shot of an
anticorrosion formula, I like ACF-50, and it will stay
shiny longer.–
The original message included these comments:

In reply to a message from john carey sent Thu 1 Sep 2016:
I know next to nothing about plating, but I am intrigued
that scrubbing something with a wire brush after plating it
will make it shine more (and not less). To me, that is
counter-intuitive. Will someone please explain it? Thanks


Nick Saltarelli '68 Cdn mkt E-type S1� OTS, '54 XK120SE OTS
Niagara, Ontario, Canada
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(1967 FHC) #25

In reply to a message from N�ck sent Thu 1 Sep 2016:

It is best to avoid the wire brushing of cadmium plated
parts:
https://www.osha.gov/dts/hib/hib_data/hib20011024.html

I plated my suspension with cadmium and clear chromate then
coated it with ACF50 to help keep away the rust. It looked a
little brighter than the original after the cad plating, but
close enough after the ACF50 was applied.

–Drew–
DrewScherz, 1967 FHC 1E33801,
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#26

wouldn’t it depend on the stiffness of the wire brush?

they vary a lot.---- “Níck” stellar-plain@sympatico.ca wrote:

=============
In reply to a message from ozusa sent Thu 1 Sep 2016:

Like polishing a penny, Liam. Removing the oxidation. Wire
brush zinc plating and it will shine. Give it a shot of an
anticorrosion formula, I like ACF-50, and it will stay
shiny longer.

The original message included these comments:

In reply to a message from john carey sent Thu 1 Sep 2016:
I know next to nothing about plating, but I am intrigued
that scrubbing something with a wire brush after plating it
will make it shine more (and not less). To me, that is
counter-intuitive. Will someone please explain it? Thanks


Nick Saltarelli '68 Cdn mkt E-type S1½ OTS, '54 XK120SE OTS
Niagara, Ontario, Canada
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(Nick Saltarelli) #27

In reply to a message from Tom Felts sent Fri 2 Sep 2016:

Certainly. As Drew says it’s not something you’d want to do
too often, if at all to cadmium electroplating. Thickness of
the deposit will be in the order of half a thou - 0.0005’’.
Cadmium has a mohs hardness of 2. Zinc only slightly harder at
2.5. Using a stainless steel wire brush (7-8) will remove more
of the plating than a brass brush (3-4).–
The original message included these comments:

wouldn’t it depend on the stiffness of the wire brush?
they vary a lot.


Nick Saltarelli '68 Cdn mkt E-type S1� OTS, '54 XK120SE OTS
Niagara, Ontario, Canada
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(Robert and Darlene Stevenson) #28

Nick, There is a shop in Plymouth Michigan that still does cad plating. I and many people of the Mi,Jag club have used them over the years. Their phone number is 734-453-1560.
Bob
889076
Plymouth, MiOn Sep 2, 2016, at 8:03 AM, Níck stellar-plain@sympatico.ca wrote:

In reply to a message from Tom Felts sent Fri 2 Sep 2016:

Certainly. As Drew says it’s not something you’d want to do
too often, if at all to cadmium electroplating. Thickness of
the deposit will be in the order of half a thou - 0.0005’’.
Cadmium has a mohs hardness of 2. Zinc only slightly harder at
2.5. Using a stainless steel wire brush (7-8) will remove more
of the plating than a brass brush (3-4).

The original message included these comments:

wouldn’t it depend on the stiffness of the wire brush?
they vary a lot.


Nick Saltarelli '68 Cdn mkt E-type S1½ OTS, '54 XK120SE OTS
Niagara, Ontario, Canada
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(Nick Saltarelli) #29

In reply to a message from Bob Test sent Fri 2 Sep 2016:

Also one in Toronto, Bob, about an hour’s drive from here.
M&M Plating. It’s where I had my cad plating done. It was
only modestly more expensixe than zinc, about 10% or so.–
The original message included these comments:

Nick, There is a shop in Plymouth Michigan that still does cad plating. I and many people of the Mi,Jag club have used them over the years. Their phone number is 734-453-1560.


Nick Saltarelli '68 Cdn mkt E-type S1� OTS, '54 XK120SE OTS
Niagara, Ontario, Canada
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(Cliff Burk) #30

Nick,
I contacted Bob’s cad plater, as well as a shop in Chicago and Indianapolis,
when my suspension parts needed replating a few years ago. All 3 places
estimated the job at $400. That included the chromate coating.
Best wishes,
Cliff
69 & 70 OTS______________________________________________________
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(alodmd) #31

In reply to a message from Rick OBrien sent Thu 1 Sep 2016:

Hi Rick, If the place you are having your suspension plated
is located in Bridgeport, I would look elsewhere. They do
plate in clear cad. However, they do not add a britener to
their plating and I found it to be very dull and not
consistent with blotchy blackened (burnt) areas. New
Method does a superior job. As I also live in CT I know
the turf. Please feel free to email me with questions. I
have done two e types and am on a 420 restoration now.
Best,
Allen–
alodmd
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(1967 FHC) #32

In reply to a message from alodmd sent Fri 2 Sep 2016:

My suspension came back with blotchy burnt areas. I think
this is the baking they do to help resolve hydrogen
embrittlement?

–Drew–
DrewScherz, 1967 FHC 1E33801,
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(jcarey) #33

In reply to a message from DrewScherz sent Thu 1 Sep 2016:

Drew,
Yes that’s true and as this articles pointed out they used
a powered high speed brush on CAD plated parts, and the
dust particles caused overexposure. I used a hand brush
with stainless steel bristles and I only did it once, not
every day for a job. :-)–
The original message included these comments:

It is best to avoid the wire brushing of cadmium plated
parts:
https://www.osha.gov/dts/hib/hib_data/hib20011024.html


john carey : (888373) Bettie IV - my '63 S1 FHC
Los Gatos/California, United States
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