Want to claculate force on a plate when they are bolted

[suzanparvez]

Hi,

May be it is a very simple question. I need some help to calculate clamp force when two parallel plates are bolted by 2 or 4 bolts.

May be I can use the equation T=(K*D*W). But I would like to know when 2 or 4 bolts are used over two rectangular plates (2"x2") how the clamp force will be changed. Is there any handbook or software available to select a bolt diameter, no. of bolts and length where clamp force is pre-selected.

Thank you very much in advance.
Regards
Suzan

 

[nickelkid]

Machinery's Handbook,
Pressure Vessel Handbook,
etc...

 

[SnTMan]

Gross total clamp force, easy, distribution, maybe much harder.

Regards,

Mike

 

[CoryPad]

Guideline: VDI 2230 Systematic calculation of high duty bolted joints

http://www.beuth.de

Software: SR1 from Hexagon

http://www.hexagon.de/sr1_e.htm

Regards,

Cory

Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.

 

[sreid]

It is generally assumed (and documented) that a bolt's clamping force radiates in a 45 degree cone. So, say, for a 1/2 inch bolt in a 1/2 inch plate, most of the clamping force is contained in a 1 1/2 inch diameter circle at the base of the plate.

 

[suzanparvez]

Thanks a lot.
Regards
Suzan