AutoCAD Inventor :: Updated Styles But Won't Recalculate Mass
Jan 5, 2012
I've updated my graphite density in styles from 2150 to 1700 kg/m3 and done an update child parts in an assembly to cascade the new density to all my graphite blocks. All the iProperties for the parts are showing the new density but the assembly iProperties is showing a density of 2036. I've tried Rebuild All, Update Mass, and closing and reopening Inventor but the Update button in the Physical tab stays grayed out. I have iParts in my assembly but the new density has cascaded through them ok.
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Oct 3, 2011
I've been looking for a solution to remove the unit string ie Lbs, g, kg from the value given from a 'Mass' value in a text string.
As you may all know, creating text and having a 'physical property - mass' value...the unit string is there...
Lots of people on here have the problem...no-one has got a solution.
Until now...
Basically...open the part you need to get the mass property of in your text string.
Follow the instructions on this webpage...this is the first part...
[URL]
Basically, this creates a Mass property value in the parameters table that you can call on as a text parameter.
It's similar to the custom iproperty model - mass but NOT the same.
Once you have done this, you can go to the drawing of the part and create a text string in the drawing and call it up as shown in this procedure. BUT it still has the unit string.
Here's the best bit that you want to know...
To get RID of the unit string...open up the part again from the drawing...click on the parameter icon...find the user parameter...in the Nominal value column, right click on the value and you get a pop-up that gives you 3 options...
Custom Property Format, Make Multi Value & Delete Parameter.
Click on Custom Property Format.
The pop-up window comes up...showing you the property type...in my case...the 4 left columns read Text, g (grams), Format & Precision...
On the right hand side I have a Preview of the text...then 3 check boxes...Units string, Leading Zero's, Trailing Zero's.
Units string is checked.
Uncheck it.
Close it...Save your part...go back to the drawing and hey presto!...the text now shows the weight you require as a straight value...no units!
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Jul 6, 2011
How do update the styles library to keep from getting the Styles Conflict error box. I have used the Standard.dwg file that loaded with Inventor 2012 but everytime I change styles and save the changes in a new template in reverts back to the library definitions.
I used to be able to select 'NO' in the LIbrary option of the Projects Folder but that optiion no longer exists.
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Aug 8, 2012
We've created a new parts list style for a border.When the border tempalt file is on the c: drive...everything works hunky dory...parts list, revision tables, etc.But as soon as we copy and paste that border into the template library folder for new drgs...the parts list style is missing from the local styles?
So to make it appear on the new document...the style manager has to be set at all styles and the new parts list style has to be saved to the document?What aren't we doing to make it appear on the template?
Also note that because the drawing border template is in a template folder as part of the design projects...it is NOT editable...so it has to be edited outside the template folder.
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Sep 22, 2013
Have an image larger than my canvas that I pan across over three seconds. Apply a tilt shift effect to a smart layer but I do not wish the tilt shift to pan with the image I want the 'camera' to be fixed on sticks and panning the image.
Would try and approximate in AE but there's no tilt shift filter that I can see and this is a rush job. Guassian with a gradient mask doesn't give the bohek effects etc etc
In fact a way to uncouple a mask (for a guassian blur filter effect) from the transformation of the image would be a good start on this process.
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Sep 22, 2011
On a different station, a component was checked oud, altered (100mm became 110mm), the corresponding dwg was also checked out and updated, and then everything was checked in.
Now i have an assembly that contains the part that was modified, but i still have the old version of it stored locally, as well as the assembly containing the part. Now when i open the assembly, i get the message stating some components had changed and that the assembly should be updated. After selecting YES to update the assembly, i get it on screen, but the part itself had not been updated. The vault tree now does show that i don't have the latest version though (red filled circle). In order to get the part to appear correctly, i need to manually select "refresh from vault" to get the correct version.
After selecting the YES i want to update the assembly I expect the parts to be updated properly without requiring additional manual actions. This has already resulted in out-of-date drawings to hit the production floor. Obviously, THIS SHOULD NOT HAPPEN!
I know one way to overcome this issue would be to delete the local source files after having used them, but i have lost plenty of work by allowing that setting to be enabled. (IV crash during check-in resulted in deletion or corruption of the files and they were not properly checked in.)
Should i log this issue or is there a solution available i failed to find?
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Sep 30, 2011
I created my standard drawing template which I used on prints and I have now updated my template. Is there an easy way to get my previously created drawings updated to the new template?
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Nov 22, 2012
I am currently working on a school group project that requires me to submit all inventor files as "LASTNAME_FIRSTNAME_PART,ASSY,DRAWING,etc..NAME". My original parts were all done in mm instead of cm, so for our project, I opened all new files and derived the same parts at a different scale to fix this scale issue between the members. For the new derived parts I temporarily allowed the file name to remain as part1, part2, part3.... and continued with the assembly. Now that my assembly is complete and I would like to change my part file names to the required format, my assembly will not show the parts and (?) symbol is shown by all parts with updated file names. I also changed the original file names and now the new derived parts, when opened, have the same (?) which I assume is related to the fact that the derived parts are dependent on the original file. Is there a way to update this information? We are using INVENTOR 2013.
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Oct 2, 2012
We have recently migrated our production work to Autodesk Inventor. We have a condition or rather a requirement to constantly keep a check on the iProperties of a part while in an Assembly file.
So I thought the best way to do so is to have a form which float's in one of the corners of the screen and updates the fields based on the item selected. Is this possible?
We mostly have parts one level below the assembly, occasionally we have them as a sub-assembly.
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Jul 29, 2013
Currently I'm converting one of our machines from AutoCAD to Inventor 2009.
This machine can vary from 1200mm to 1600mm and has a couple of options to choose from for our customers.
These dimension changes are all driven by a single excel file and the options are controlled in the an IAssembly.
Some of the 2D drawings will have a variable width, in our ERP system they are marked width dependable as followed: "partnumber/1200" or "partnumber/1410" in which 1200 or 1410 is the machine width.
Is it possible to have the 2D drawings automatically update the partnumber? so if I configure my machine as a 1200mm machine it automatically changes my drawingnumber to the actual machine width?
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Oct 28, 2013
I have two user parameters saved in a part template that are tied to the part volume and an overall estimated part weight. The user parameter Pc_Volume is the volume in cubic feet and calculated by pulling the part mass (in cubic inches) and converting to cubic feet via ilogic rule. This is then automatically run via event triggers before a file is saved and if the part geometry has changed to keep the volume up to date. These are exported because they get pulled into iproperties of our drawing files as well as used to create a parts lists showing the volumes and weights.
I have the property formats of the user parameters set to Number and to unitless and the unit display turned off so it does not show on the parts list, with a precision of 0.000 for Pc_Volume. The Pc_Weight is set the same way however with a precision rounded to the nearest whole number.
These are created this way so when we use the part file as the template when we select "Make Components" to separate our parts and tie them to an assembly all the files are then updated and the information saved for exporting.
The problem is, the Pc_Volume always comes in rounded to a whole number. The Pc_Weight Does as well, but that doesn't bother me since we want it to do that anyway. If I would go into the part file after it's created, double check the precision and then re-run the rule the volume will show up with the correct precision in the exported parameters. I don't want to have to open each partfile however to get this to update.
Attached are images of the parameters, ilogic rule, and exported results.
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Jun 13, 2013
When you do a Save As or Save Copy As in Inventor the part number in the iProperties is automatically updated to match the new filename. I would expect the Document.SaveAs method in the API to act in a similar way. However I found out that this is not the case.
SaveAs: Document.SaveAs(filename, False) does not update the part number. The new part will still have the same part number as the original part. This can give problems since in the BOM parts with the same part number are interpreted as the same physical part.
SaveCopyAs: Document.SaveAs(filename, True) does work as expected and the part number will update correctly.
Is this a bug in the API? or is there a reasonable explanation for this?
Inventor 2013 SP2
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Nov 20, 2011
How can I see the mass of a solid, or if it's not possible, at least the volume.
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Sep 21, 2013
I was checking my prints and noticed that the mass for the assembly was not shown correctly. The mass for each component is correct, but the mass for the assembly is less than the total mass of the parts..... how can that be?
Watch this video. The mass for my assembly is reported from iProperties as 10 lbs, but the mass for one of the parts is 60lbs. I would expect the mass for the assembly to be at least 60 lbs, but it is not. I tried a "Rebuild All" and an "Update Mass" on my assembly, but that did not fix it (30 sec mark in the video).
This assembly is part of a much larger assembly (around 35,000 parts). There are several more assemblies doing this and I need to get the mass correct.
I am using 2013 x64, SP2.
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Jun 5, 2013
I have an assembly that i need to know the mass of, easy enough, however the assembly needs to be weighed without some of the parts in it. I hought i could simply uncheck "enabled" of the unwanted parts and re check the mass, however it does not change. Any solution besides adding the wanted parts individually?
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Aug 23, 2012
have one assy comprising of a valve, made in steel, an actuator made in aluminum, total weight combined is 36 kg.
I make this assy a derived ipt.. i have tried all the output options, single solid, multy solid and the weight is not the same.. since its a new ipt has its own material, ok makes sense.. .. So i use composite, i get the correct weight (yay), but now i cant turn the visibility off on the 2d drawing, in certain pipe spool view representations.
What is the correct procedure for turning multi material assys into an ipt.. to get the correct weights and get the drawings to work properly?
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Jul 3, 2013
How to set the mass calculation accuracy to 'Very High' when doing calculations in iLogic.
I asked for the iLogic equivalent to the VBA term:
' Set the accuracy to VeryHigh.
oMassProps.Accuracy = k_VeryHigh
and was provided with:
oMassProps.Accuracy = 24580 'k_VeryHigh=24580
However, I believe that the value 24580 is actually equivalent to k_Medium. Confirm the iLogic equivalent value of k_VeryHigh.
Original post: [URL].......
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Nov 16, 2012
In assembly file - BOM - mass property, parts with the same name (part number) i get "VARIES"..Parts have a little bit different mass - 0,167kg and 0,168kg. I do not want to have different part number.
So, i'm going to do something like this in iLogic :
iProperties.MassOfComponent("fi_N1:1")=Round(iProperties.MassOfComponent("fi_N1:1"),1)
it works but is there any way to do it for all parts (hundreds) automagically in the loop (iLogic or VB) ?
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Nov 8, 2011
I have recently made a bucket for chain (linked) and was looking to put the chain in the bucket for visual purposes and to see if the capacity of the bucket is correct.
I can get the chain linked together, however when rotated round it passes through another piece of chain.
Is there a way in inventor to tell a part/assembly of it’s physical/mass properties? I know you can make something mild steel and get weight etc, however if not constrained it still passes through as if it’s a ghost.
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Nov 26, 2012
I have added the mass properties and I do not want the lbmass behind it. How do I get rid of it?
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Aug 15, 2013
i found same topics as my, but i didnt find solution.
Is there any way for mass convert idw files (not same format - A4,A3,A2, ...) to pdf ?
I tried task manager, but i dont have some account for it.
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Nov 25, 2008
I need to add weight to my parts list and notes for both parts and assy. Is there a way to get the weight parsed out from the model without the "lbsmass", just the pounds number no nomenclature I have a couple of other questions on parts list customization also. Also are these better questions for the customization group?
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Jul 9, 2012
I'm having trouble getting mass properties of an assembly to display in an .idw. I've tried it 2 diffent ways, custom properties-model "Totalmass" where I type the mass and physical properties-model "mass" where it's automatic with update.. Nothing shows, not even N/A, but in another idw (different assembly) it works. Both text boxes are saved within a sketch that is part of a template. Both idw's use the same template. If I place text on the drawing it self it works.
IV 2012
Vault Collaboration 2012
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Nov 21, 2013
To get net weight of my parts i have one template that uses the volume x density and to get the gross weight I use the real dimensions of the item (a rectangular plate without any cutting, e.g.) and then calculate x density, this way i can get both weights, and how in the most of times I need the gross, I overwrite the MASS PROPERTIES of each part with my gross weight. It works fine because all the assemblies sum the MASS of each part (that is over writed by the gross weight).
Now my problem:
In many cases when I need to use the same part many times with just a few of different details, instead of copy the part and change it, I use the same part, and in the IAM I use one feature to make this part different (like a chamber, small extrudes or even holes). But now I realized when I do this (feature in the IAM), it doesn't sum all the MASS properties of each individual part anymore ... it recalculate all the mass with the new IAM volume (with all the features)...so, in my BOM I got all the parts with the correct gross weight, but my total mass comes with the NET weight (and considering that I need the GROSS, i got the wrong mass).
Is there a way to change the way that inventor overwrite this mass in the assemblies ? with Ilogic, or even some Inventor's option ?
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Aug 9, 2012
Is there any way to force an update of mass property values of a component from within an iLogic routine?
I am trying to produce a calibration chart showing the volumes of an irregular shaped object by taking incremental slices off the component and accessing the "volume" of the remaining portion, then writing the the results to an external file - All from within a "For - Next" loop.
The main routine works O.K. but the resultant chart only shows the original starting volume for each slice instead of the required reducing volumes.
I am a novice with iLogic and can only assume that I must somehow "update" the mass properties of the sliced object before reading its new volume on each pass.
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Oct 21, 2011
How can see visually the center mass of a part or assembly?
When I'm checking in the Iprop., I see the center of gravity coordinates, but it there a way to "see" it (some visual representation)
Inventor 2012 Pro.
I7 workstation
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Apr 18, 2013
We want to obtain the center of mass of two or more subassemblies within an assembly. How to do it? The subassemblies may or may not be connected to each other directly.
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Nov 22, 2012
My company recently installed Inventor 2013. In previous versions we used a part with negative density similar to seawater to calculate submerged weight and CoG.
In IV 2013, it seems that the ability to calculate negative mass is not longer available.
This is how it worked in pre 2013 IV, when I could specify a negative density.
What I have is a spool made of steel. This spool is modelled as an iAssembly with four configurations:
-In air, empty
-In air, filled with glycol
-Submerged, empty
-Submerged, filled with Glycol
For this example, I now need three parts:
-Steel Pipe
-Glycol derived from the inside volume the pipe
-Seawater buoyancy derived from the outside volume of the pipe.
Each part has its own density, and the assembly weight and CoG correspond to the assembly configuration (with or without glycol) and environment (in air or submerged).
The seawater buoyancy represents the water displaced by the total spool assembly, regardless of the contents. To achieve correct weight in the submerged state, the buoyancy material has to have a negative density.
I do not want to make any of the mass parameters static, and I also fear that the CoG might not be updated correctly when using that method.
As I no longer can define a negative density, any optional method to achieve this without overriding the mass value.
Autodesk Product Design Suite 2013 SP1
Win 7 Enterprise 64bit
Intel Xeon CPU E3-1240 V2 @ 3.40GHz
16Gb Ram
Nvidia Quadro 2000
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May 7, 2012
I am wondering if it is possible to do a mass change of all project files at once. What I wish to change is my content center location, template location and style manager file locations. I have all these setup already and tested with one project but I dont want to do it with the other ... LOTS! ... manually unless I must.
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Jul 21, 2011
I think there might be a bug in Inventor 2012 with regards to derived components and their physical properties, otherwise I've never noticed it before...
If I derive a component and use an IAM as the Base Component and choose the 'Single composite feature' as the option then the physical properties of the newly created derived IPT is the same as the original IAM. That is expected behaviour when you choose one of the Solid options, but a Surface shouldn't have a mass - by definition.
If I use an IPT as the Base Component, I get the expected behaviour, i.e., a surface doesn't have a mass.
The whole purpose of creating a 'Single composite feature' as a surface is unnecessary if it's going to have physical properties...
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Oct 29, 2013
I am having a problem with an assembly not showing the correct total mass of all of its components and sub-assemblies. The value is out by nearly 20%, over 3000kg!
I have narrowed the mass discrepancy down to a derived part of a sub-assembly. But this incorrect mass is only present when I navigate to the derived part's iproperites via the browser tree of the higher level assembly where I am having the mass problem. It is as though the top assembly got some of its mass property information from a previous point in time, i.e. possibly before the derived part's mass properties were updated, and now refuses to look at the current information.
By the way, I have opened up and checked the mass properties of each sub-assembly and the derived part; and when opened individually these show as correct. I have also tried 'Rebuild All' with no success.
Is it possible for mass properties in an assembly to become corrupted?
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