How to calculate force acting or generated during welding.

Jul 08, 2006 2 Replies
E

Hai, I am designing a Welding fixture as a Project for Heavy equipments which weighs 5000 kg. Sheet metal thickness are of 10,12,25,40 etc . Material of sheet metal is Is2026. Weld size will be of varying from 5 to 20, which depends on sheet thickness and application.


For holding the plates in the during welding, which weighs around 100 to 200 kg (Depnds) i have to use toggle clamp. I want to optimise the number of Toogle clamp that is required for Holding the Plates during welding by knowing counter force which generated during welding.



Kindly mail me back. Thanks Anand



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L

wrote: (clip) I want to optimise the number of Toogle clamp that is required for Holding the Plates during welding by knowing counter force which generated during welding. ^^^^^^^^^^^^^^^^^^ Your instructor has given you a problem which cannot be completely analyzed. I think he would like to see how you deal with this--but he would like it to be your own work.

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R

Toggle clamps are not going to hold any shrinkage forces. You must design the fixture and the weld sequence so that the forces are restrained by the structure. The toggle camps will only hold while tack welding. One good method to ensure accurate assembly is to use slots and taps on connecting plates. These hold the plates from moving during welding. Randy

For holding the plates in the during welding, which weighs around 100 to 200 kg (Depnds) i have to use toggle clamp. I want to optimise the number of Toogle clamp that is required for Holding the Plates during welding by knowing counter force which generated during welding.

Kindly mail me back. Thanks Anand

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