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dhanishd
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Join Date: Nov 2006
Posts: 11

Ultrasonic Welding

06/12/2007 11:44 PM

Friends I want to weld two plastic parts with ultrasonic welding (with energy director)and in that regards I want to do the calculation that how much strength will it provide and under which stranderd (ASME) will it come. Please guide me so that i can get the full information on it.
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All About M.E.
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Engineering Fields - Mechanical Engineering - By Degree Engineering Fields - Manufacturing Engineering - By Profession Popular Science - Weaponology - By Interest United States - Member - Member Since My Inception

Join Date: May 2007
Location: Florida
Posts: 147
Good Answers: 5
#1

Re: Ultrasonic Welding

06/13/2007 6:43 AM

The two materials are bonded on the molecular level and your weld strength is determined by the properties of you weakest material. I have seen no formula for calculations, but when bonded properly you will usually destroy the weaker material upon tensil testing. Depending on you materials and the weld area, Radio Frequency welding may be another option.

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pc
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Engineering Fields - Mechanical Engineering - I am here to help!!

Join Date: Apr 2007
Posts: 192
Good Answers: 2
#2

Re: Ultrasonic Welding

06/13/2007 11:21 PM

Follow the link

http://www.sonics.biz/pa-technical.htm

In TECHNICAL BULLETIN there is a PDF file 'Joint Designs for Ultrasonic Welding'

This will definitely help you.

Best luck.
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Jakey Jake
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Join Date: Mar 2007
Location: Ohio
Posts: 48
#3

Re: Ultrasonic Welding

06/13/2007 11:22 PM

What are you trying to weld? What kind of plastic? I've done a bit of this in the fenestration industry and might have a little input if you can share more details.

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