Brian, et al,
Altho I'm not familiar with the details of this consortium
that is being developed, the safety requirements are already covered for any
new equipment that would be developed to process the various materials,
For the electrical safety requirements both TC66/IEC 61010
and TC108/IEC 62368 have an interest. Much of the technology used is scaled
up from ink-jet printers of the like which have been certified to 60950
moving to 62368.
TC 108 has been dealing with larger equipment and broader
usage environments and the recent updates to the 62368 standard reflects
that.
TC66 has just authorized the issuance of 61010-2-120 which
will evaluate the item to those EHSR's of the Machinery Directive which are
not adequately covered in the 61010-1 standard. This full evaluation would
then properly cover both electrical and mechanical safety requirements.
Additionally, the work in harmonizing the European and US
electrical requirements wherein NFPA 79 is harmonized with EN 60204 so that
common machine wiring practices are acceptable in each market is a boon to
much of this.
Altho UL has traditionally been open to development of
boutique safety standards to accommodate groups of manufacturers in the past
the work of these two committees has continued to encompass more and more
related products and has provided a good basis for product certification for
use on a worldwide basis.
I'm not sure who the reps are to the committee but,
hopefully, there will be someone that who recognizes what has already been
done from a safety point of view and get the committee to concentrate on the
other issues that have been raised.
:>) br, Pete
Peter E Perkins, PE
Principal Product Safety & Regulatory Affairs Consultant
PO Box 23427
Tigard, ORe 97281-3427
503/452-1201
<mailto:[email protected]> [email protected]
From: Brian O'Connell [mailto:[email protected]]
Sent: Tuesday, August 23, 2016 2:25 PM
To: [email protected]
Subject: [PSES] Additive Manufacturing standards
My comments do not necessarily reflect the policies or opinions of my
employer.
The UL 'AM' guideline says this:
"Generally, existing standards that cover similar types of equipment used in
similar operating environments may be used for equipment associated with
additive manufacturing. These standards are considered suitable since,
although the application of the technology associated with additive
manufacturing is relatively new, the basic hardware and technology used in
the equipment are similar to other forms of hardware and technology covered
by existing equipment standards."
And yet we have this move by ANSI:
https://www.ansi.org/news_publications/news_story.aspx?menuid=7
<https://www.ansi.org/news_publications/news_story.aspx?menuid=7&articleid=0
42f7406-dacf-4830-be11-c00c35a53312&source=whatsnew081516>
&articleid=042f7406-dacf-4830-be11-c00c35a53312&source=whatsnew081516
Does the IEEE PSES have an official policy on the introduction of new
standards just for the heck of it? Should TC108 and other scoped TCs stomp
on this before we have yet another half-baked 'specialty' safety standard?
Other than for medical stuff, or industrial equipment that would fall under
NFPA79, is there any reason that UL/CSA62368-1 + -xx could not be used to
properly assess AM? If AM was used to make another Brian, would that be a
redundant, recursive, or a circular reference?
Brian
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