Hello All,
I am calculating a split muff coupling for a round shaft fitted with 3 bolts on each side. I need to calculate the pressure on the shaft surface in order to calculate the maximum torque to be transmitted (with a fricton coeffcient). I know the bolt load, but I am not sure about the...
Hello All,
I am trying to calculate the friction (torque) between two concentric cylinders.
Inside one is roating at 750 rpm, diameter is 826 mm and diametrical clearance is 4 mm.
Outside cylinder is static. Length 98 mm.
I guess it should be quite large but couldn't find any reference.
Maybe...
Hello All,
I am trying to calculate the friction (torque) between two concentric cylinders.
Inside one is roating at 750 rpm, diameter is 826 mm and diametrical clearance is 4 mm.
Outside cylinder is static. Length 98 mm.
I guess it should be quite large but couldn't find any reference...
Hello,
Can somebody please describe which standard parts are included in the library now included in NX5? I mean bolts, nuts, etc.. (DIN,ISO,...). Somebody told me it is not very usefull and you still need an external library (like BCT).
Thanks in advance,
We use NX4. I have configured the plotters but when trying to plot a drawing, it sends a cgm file to the printers, the printer receive that data in the queue but nothing happens. Same occurs with the acrobat pdf printer. (I treated this pdf printer as any other printer and maybe it is not...
Dear Friends,
I am trying to prepare a spreadsheet for calculating heat generation in a bearing consisting of a steel shaft running over white metal bearings with oil (hydrodynamic bearings).
So far I have been investigating the heat generation, sommerfeld number and so on, using the formulas...
Hi,
I have a problem with the mass propperties shown in the part list inside the drafting.
I follow the tutorial, create the part list, where the different parts are shown, I add a columnn where the <W$=@$MASS> atribute is included. The problem is that besides in the design window, the...
Hello,
I am new user and I don't know if there is a way of including tolerances in the drawings without having added such information previously in the PMI during the design.
What I mean is something simple like in solidworks where you indicate, for instance, if a shaft is h7 (or whatever) and...
Dear Friends,
I'm looking for information on design criterias for piping onboard a all aluminum ship.
What are the material requirements an for pipe on engine room and auxilary systems',
I didn't see specific requirements from Class Society.
Thanks,
Dear Sirs,
I would like to know exactly (if any)the relationship among the fuel rack index, exhaust gas temp and scavenge air temperature on a 4 stroke marine diesel engine suitable for estimating the power delivered if there is no data from test bench.
Regards,
Dear Friends,
I would like to carry out a FE analysis of a marine propeller blade in Cosmosworks (in Solidworks); for that I already have the blade as a surface. I want to load it with a pressure distribution calculated with a propeller CFD softwar. In order to avoid doing that (blade...
Dear Friends,
I'm trying to get a copy of the book "Vibration control in ships" published by Veritec,Hovik, Norway in 1985. If somebody has a copy and can scan it and send me a copy on pdf I would be very grateful.
Any advice on where can it bought or how to get it would be useful.
I...
Dear friends.
I am interested on getting info about Mise's hypothesys and stresses in solid and hollow shafts. Main interest is about the stress distribution on compressed solid and hollow shafts transmiting torque.
thanks in advance
I would be interested in some information about Kt Kq coefficients for B series propellers and Kcp in kort nozzles. I mean how the nozzle thrust could be calculated and any other usefull information related with this matter.
Any fast formulae to stimate thrust power / drag for different...
Dear Sirs:
I'm carrying out a complete project for an already built wooden ship,(two masts and L=12m). I would need some information about what kind of rules would be usefull in ordeer to scantling the main structural members. I would also need information about how to include the sail effect...
