New bolting - is it worth the trouble?

This is on my to-do list.  If you have used this new bolting - which gives you quite a bit flexibilities - please post some thoughts and comments here.

I am thinking about adding/converting the existing catalog using new bolting.  It maybe a bigger task than I can handle with current work load.

Just want some pros-cons before embarking on this.

Please share your knowledge here!

Have to say that I am no expert on either of cats or specs, but every time I have to find where something goes wrong with the new bolting method it start to spin around in my head.
Try to follow all the jumps isodraft makes before it actually finds the bolts and boltlengths... I always forget from where I started when I find that #¤%&# bolt :o

Maybe I would get the touch of it if I would look into it more often.

hi De....its good that atleast derz sumthing i can help gurus like U :):)...jk

well i reckon NEW bolting system is awesome....sumone once said...everything is easy if u know how to do it....

it gives u lot of flexibility and managing stuff is quite easy...also Std Aveva Catalog /PDMSPIPE.CATA-ANSI is designed on new bolting......give it a go and lemme know if u need any help....i've done a bit of work wid this bolts n nuts...in the begining it used to drive me NUTS :)..but now it seems to be under control....

the key is to know from where it starts and wat paths it follows to get u the final bolts and nuts...once u understand that concept...u wud agree its really kool n intelligent...

Good Luck!

I totally vote for NEW BOLTING, I'll never go back to the old bolting method, I have a step by step printout on how it works, it's at work, I'll have to scan it and post it tomorrow, you guys will really like it.  If you need any help with the new bolting method, this forum is the place to get it!!!

I'd like to take a look if you have it, but be careful and do not get yourself into trouble for accidentally releasing your company's confidential info.

I recall seeing some write-ups a long time ago about new bolting, but lost that sheet of paper...

 

291799NEW-BOLTING.zip

Hi guys,

I'm testing the NEW BOLTING METHOD, and a was succesful until i tested with the Lap joint.

Someone can give me an advice with this???

Thanks.

I ' ve solucionated my problem with Lap Joint.

I consider the flanges like a wafer component (example COCO WFAB), so it doesn't stop the the calculation.

Please correct me if my procedure is wrong.

I have not used new bolting, but if you think about LJSE in real life: there is a gasket, then LJSE, then backing flange.  

PDMS treats coco "L" differently according to ISOdraft userguide 4.5.1...  

I have not tried myself yet so would be interested in your results.

My experience is that despite what the manual says, PDMS does not pick up include the stub end in calculating the bolt length.

My method for getting round this problem is to use a standard flange in the spec and use the BSEL setting in design and bolt spec to direct the bolt calculation to a different SBOL which has the stub face length included under XTRAlength.

The thing to be aware of is that the face thickness of the stub end is supposed to be the same as the pipe wall thickness. This means that for total accuracy you should have a different sbol for each size/wall thickness combination.
On the plus side, this method also works for flared pipe systems where the pipe itself needs to be considered in the bolt calculation.