Static seal for consumer product to reach IP67
Static seal for consumer product to reach IP67
(OP)
Hi,
I am looking for some help. I have a consumer product to design. One of the requirements is to have an IP67 rating.
Does anyone have a design of a good seal. The product is 2.5mm injection moulding upper and lower casing.
seal section and compression ratio would really help.
Thanks in advance, I don't want to reinvent the wheel!
I am looking for some help. I have a consumer product to design. One of the requirements is to have an IP67 rating.
Does anyone have a design of a good seal. The product is 2.5mm injection moulding upper and lower casing.
seal section and compression ratio would really help.
Thanks in advance, I don't want to reinvent the wheel!





RE: Static seal for consumer product to reach IP67
Mind you, this product may see some extremes like plane shipping in an unpressurized cargo hold, etc. If you have issues where the product can take in water you can also look at membrane vents that will let only air in, but let air and water vapor escape. This works to relieve the pressure building up inside the product so there is less stress on the seals themselves.
Google "Parker O-ring Handbook" for a start.
James Spisich
Design Engineer, CSWP
RE: Static seal for consumer product to reach IP67
http://www.multisorb.com/
Harold
SW2009 SP4.0 OPW2009 SP2 Win XP Pro 2002 SP3
Dell 690, Xeon 5160 @3.00GHz, 3.25GB RAM
nVidia Quadro FX4600
www.lumenflow.com
RE: Static seal for consumer product to reach IP67
I like the idea of soaking up any moisture.
I like the o-ring data, but the shape of the product is not round, and i feel that a o-ring section cut to length and then glued together will not do the job.
But i can take the %ratios etc and make a moulded profile to suit.
Thanks
RE: Static seal for consumer product to reach IP67
RE: Static seal for consumer product to reach IP67
RE: Static seal for consumer product to reach IP67
Had a bad exprience about 12 or so years ago with a cut a shut o-ring. But i take all you points and reearch the data.
I am sure that the tech/tols are better now than they were oh so long ago.
Thanks for all the help
RE: Static seal for consumer product to reach IP67
Harold
SW2009 SP4.0 OPW2009 SP2 Win XP Pro 2002 SP3
Dell 690, Xeon 5160 @3.00GHz, 3.25GB RAM
nVidia Quadro FX4600
www.lumenflow.com
RE: Static seal for consumer product to reach IP67
Typical scenario, daytime heat causes pressure buildup, which equalizes across the seal interface. Nighttime coolness causes partial vacuum, which equalizes by sucking outside air/moisture. This is particularly bad in a system where dew can collect on/near the seals.
Make sure you have a dessicant that can maintain internal RH for the duration of the rated life of the system.
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RE: Static seal for consumer product to reach IP67