• This forum is the machine-generated translation of www.cad3d.it/forum1 - the Italian design community. Several terms are not translated correctly.

molds

  • Thread starter Thread starter montaviale
  • Start date Start date
SolidUser said:
The surface has errors and you haven't done anything I suggested.
I close.
Click to expand...
look that the design I realized importing curves with the macro! if you notice the imported profile with the macro has many + points of that inserted through insert curve through points!
 
SolidUser said:
This is what macro supports naca and .dat file (.txt) to two columns, so also your txt once removed the third column.
I can't file you as you use a 'student' as a version, so my files can't open them.

I suggest you do it again with the macro and some suggestions I give you:
1) the initial sketch is fine enough, replace the ellipse with a spline passing through the points.done2) leads to binding all the sketch and not to leave quotas of type 74.48, but to become 74.5.done3) create a plan for each profile section.done4) use the macro indicateddone5) on windows 7 the macro is not brought to the foreground, but you will need to use alt+tab to view it
6) Set up your file by removing the third columndone7) changes the extension .datdone8) put it in the path you prefer and set it in the macrodone9) pre-select the plans in the use of the macro and the profile is already inserted into the right planI put it on the front floor and then I converted it on every floor.10) the macro allows you to scale the right value profile (see below and use the 0.09 comma to make the 90 mm rope profile)
11) creates a new file and imports the wing to use the 'stampo' commands to not weigh the whole....you separate the mold project from the wing project
Click to expand...
I would say that I have followed enough your indication but the result has not improved... What's wrong?
 
montaviale said:
I would say that I have followed enough your indication but the result has not improved... What's wrong?
Click to expand...
you used 3d sketches and not 2d sketches.
you used 3d floors and not 2d floors.
you converted and then approximated.
you did not use the macro creating profiles with correct rope.
result?
the surface twists at the bottom.
the selection of profiles for the loft is 'pointer dependent', that is to say that the connectors are placed where you click on the profile.
you had to start from the layout sketch of the first file posted and generate plans in the points outlined in the layout profile.
pre-select the planes and create profile from macros with precise rope to the horizontal line value that defines the width of the wing.
if profile and guideline do not pass by a common point, the profile will not be the one desired.
 
I have a problem with the macro for that I had to convert the profile on the plans... adex I am replacing plan with 2d floors... when I start the macro it gives me an error of run time 91 variable object or block unset. .

thanks for the help
SolidUser said:
you used 3d sketches and not 2d sketches.
you used 3d floors and not 2d floors.
you converted and then approximated.
you did not use the macro creating profiles with correct rope.
result?
the surface twists at the bottom.
the selection of profiles for the loft is 'pointer dependent', that is to say that the connectors are placed where you click on the profile.
you had to start from the layout sketch of the first file posted and generate plans in the points outlined in the layout profile.
pre-select the planes and create profile from macros with precise rope to the horizontal line value that defines the width of the wing.
if profile and guideline do not pass by a common point, the profile will not be the one desired.
Click to expand...
 
montaviale said:
I have a problem with the macro for that I had to convert the profile on the plans... adex I am replacing plan with 2d floors... when I start the macro it gives me an error of run time 91 variable object or block unset. .

thanks for the help
Click to expand...
Solvent problem!
 
montaviale said:
allego!I used plans 2d thanks a thousand soliduser! I finally learned something!
Click to expand...
These are my comments:
1) the loft command is used with only the profiles and allows the connectors that generate a grade 3 spline to make connections between the profiles or use an initial profile and a final profile and the driving curves that drive the variability of the profile.

2) do not use profiles that do not pass through the construction points of the guide curves because they will never follow the path.
you have added plans and relative profiles in non-built points of spline that you used for the guide path and if you zoom, you will see that the loft does not pass through that area, then remove those plans and excess profiles.

3) always relative to point 1, it is preferable to leave to the loft the passages between one profile and the other (as in your case), unless the guide curve has a custom curvature, that is modified through 'hands' of manipulation present in the points of construction (pass).
the starting and final direction of the loft you can get it by creating a tangent line to the spline in the initial / final points and using those lines to set the initial and final tangency direction of the loft.
 
is the quality suff to make us a mold?
SolidUser said:
These are my comments:
1) the loft command is used with only the profiles and allows the connectors that generate a grade 3 spline to make connections between the profiles or use an initial profile and a final profile and the driving curves that drive the variability of the profile.

2) do not use profiles that do not pass through the construction points of the guide curves because they will never follow the path.
you have added plans and relative profiles in non-built points of spline that you used for the guide path and if you zoom, you will see that the loft does not pass through that area, then remove those plans and excess profiles.

3) always relative to point 1, it is preferable to leave to the loft the passages between one profile and the other (as in your case), unless the guide curve has a custom curvature, that is modified through 'hands' of manipulation present in the points of construction (pass).
the starting and final direction of the loft you can get it by creating a tangent line to the spline in the initial / final points and using those lines to set the initial and final tangency direction of the loft.
Click to expand...
 
montaviale said:
If I wanted to apply the new procedure also to the definition of a wing (the one before was a plan) I found some problems, the macro does not open the .dat files of certain profiles for example that attached
Click to expand...
the dat file is a txt, open it and try to replace the first row with 'pipe' and second blank row.
I'm afraid it's a file header problem.
 
today working on the wing I found problems with the profiles inserted with the macro... once placed it is impossible to create loft... the problem I managed to solve it as long as I change every profile with the optimized spline command... so doing precision loss?
 

Attachments

montaviale said:
today working on the wing I found problems with the profiles inserted with the macro... once placed it is impossible to create loft... the problem I managed to solve it as long as I change every profile with the optimized spline command... so doing precision loss?
Click to expand...
I looked at your file and the problem, if we want to call it problem, it is neither the macro nor solidworks.
parasolid, the modeling kernel of solidworks, works with a precision of 0.01 mm.
parasolid uses the meter as a linear measurement unit.
the fourth section, starting from the largest, the straight stretch that connects the spline is 0.01 mm), while the third is 0.02.
therefore for him steps from a profile that can be managed to a profile that has a line of length equal to '0'.
the advice I give you and that to manipulate .dat files and make sure that the x and y values of the first point coincide with those of the last.
the fact that the optimized spline allows you to execute the loft command is because, as you will see from its settings, after a certain value, the entities are removed, so that very small edge, is deleted.
do not recommend you follow the path of optimized spline, but to correct .dat files.
 
I tried to make dat files match the first and last manulla point to do... I noticed that if the loft is done with only two pophiles it succeeds, but as soon as I add another one it gives me error.. thank you very much for the soliduser help
SolidUser said:
I looked at your file and the problem, if we want to call it problem, it is neither the macro nor solidworks.
parasolid, the modeling kernel of solidworks, works with a precision of 0.01 mm.
parasolid uses the meter as a linear measurement unit.
the fourth section, starting from the largest, the straight stretch that connects the spline is 0.01 mm), while the third is 0.02.
therefore for him steps from a profile that can be managed to a profile that has a line of length equal to '0'.
the advice I give you and that to manipulate .dat files and make sure that the x and y values of the first point coincide with those of the last.
the fact that the optimized spline allows you to execute the loft command is because, as you will see from its settings, after a certain value, the entities are removed, so that very small edge, is deleted.
do not recommend you follow the path of optimized spline, but to correct .dat files.
Click to expand...
 

Attachments

montaviale said:
I tried to make dat files match the first and last manulla point to do... I noticed that if the loft is done with only two pophiles it succeeds, but as soon as I add another one it gives me error.. thank you very much for the soliduser help
Click to expand...
I ask you a question, but the profiles are generated by the same .dat file, changing the string value in the macro, or doing your manipulations?
 
I create the plan launch the macro insert profile and rope into the macro and move the profile to make it coincide cn the point identified by the section line and the spline
SolidUser said:
I ask you a question, but the profiles are generated by the same .dat file, changing the string value in the macro, or doing your manipulations?
Click to expand...
 

Forum statistics

Threads
44,997
Messages
339,767
Members
4
Latest member
ibt

Members online

No members online now.
Total: 1 (members: 0, guests: 1)
Back
Top