I'm being told that tri-valent chromium is replacing the hex-chromate
additive that was typical on most zinc plated steel fasteners. I'm also
told that there is a possible issue with lubricity in making this
change.
Joseph McGuiggin
Sr Component Engineer
ZOLL Medical Corporation
> -----Original Message-----
> From: Leadfree [mailto:[log in to unmask]] On Behalf Of Jackie TAYLOR
> Sent: Tuesday, January 24, 2006 11:16 AM
> To: [log in to unmask]
> Subject: Re: [LF] Declaration of compliance with material analysis
>
> Yes I've seen it many times. One example was a test report for screw
that
> showed a small amount of
> Cr6. After questioning the supplier, they in fact used a Cr6 coating.
You
> have to be careful and
> scrutinize each report.
>
> jt
>
> Denis Ryskamp
> <[log in to unmask]>
> Sent by: Leadfree
> To
> <[log in to unmask]> [log in to unmask]
>
> cc
>
> 01/24/2006 09:20 AM
> Subject
> Re: [LF] Declaration
of
> compliance with material
> analysis
> Please respond to
> "(Leadfree Electronics
> Assembly Forum)"
> <[log in to unmask]>; Please
> respond to
> Denis Ryskamp
> <[log in to unmask]>
>
>
>
>
>
>
> Hello all
>
> I used to have dark brown hair but now I am gray!
>
> Am I the only one or are others experiencing companys that provide a
> declaration of compliance for their product and also send a material
> analysis of the sub-components which is not performed to the
Homogeneous
> level just the whole sub-component ground up and tested?
>
> Management here is asking if we are misinterpreting the Homogeneous
level
> compliance requirement for a product incorporated into our product.
Seems
> that some products (OEM and non-OEM) purchased are tested this way.
When
> reviewing the sub-component analysis, for example lead may be 129 ppm.
> Figuring 10% (high)of the total weight of a connector is plating where
the
> lead would be found, then one could assume that at the homogeneous
level
> (plating) lead would be 1290 ppm which is over the limit.
>
> Comments?
>
> Thanks,
> Denis
>
> -----Original Message-----
> From: Leadfree [mailto:[log in to unmask]]On Behalf Of MA/NY DDave
> Sent: Friday, January 20, 2006 3:13 PM
> To: [log in to unmask]
> Subject: Re: [LF] Exemption of OEM products.
>
>
> Hi Again David, BrianE, Genny, IPC LF Listservers,
>
> David, Lots of good notes and thinking were posted that will hopefully
> help
> you with your customer and will help us think through the many
situations.
>
> Following BrianE's logic which is good, and that crazy, to me, teddy
bear
> example in the Guidance documents, I thought about Large Household
> Appliances and other similar future complications.
>
> Now most of us know that the EU hopes to recover, reuse large
household
> appliances to reduce them going in the dump. (80% goal). YET if I have
a
> Gas fired range/stove, clothes washer, clothes dryer, or other major
> appliance are the electrical/electronics that part of these appliances
> enough to make them EEE or is the electronics/electrical portion of
these
> appliances just a tag along to their prime function. I.E. the teddy
bear
> example used for other products. The full gas stove, with minimial
> electronics except for sensing/control is probably a weaker EEE than a
> talking, winking, human interacting, solar powered teddy bear.
>
>
> Yours in Engineering, Dave
> YiEngr, MA/NY DDave
>
>
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