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by thschrader
Sun Sep 06, 2020 3:05 pm
Forum: Forum in Deutsch
Topic: Open-source Höhenwindkraftwerk (Drachen) in Freecad
Replies: 737
Views: 25119

Re: Open-source Höhenwindkraftwerk (Drachen) in Freecad

aktuelles video zum thema "windenergie mit freecad": ... Das Video ist vom YT-Kanal von CFD Intech. Da sind noch ein paar andere schöne FC-Beispiele. CFD scheinen die mit Ansys-Fluent zu machen. Ein Video zur Freecad CFD-Workbench wäre schön, vielleicht mit Vergleich zu Ansys. https://www.youtube.c...
by thschrader
Sun Sep 06, 2020 12:36 pm
Forum: Users Showcase
Topic: MIT Sean Collier Memorial
Replies: 14
Views: 1505

Re: MIT Sean Collier Memorial

All granite-blocks are cutted. The "Slice apart" tool in part-wb works perfect, when upgrading the extruded sketch / faces to "Boolean fragments". As deepsoic mentioned above. The keystone was a little bit difficult (for me), because all side-faces are tilted. Lets calculate center of gravity and se...
by thschrader
Fri Sep 04, 2020 7:26 pm
Forum: Users Showcase
Topic: Differential Swerve drivetrain attempt
Replies: 4
Views: 953

Re: Differential Swerve drivetrain attempt

Wow! A lot of work.
Keep up the spirit! :)
by thschrader
Fri Sep 04, 2020 10:44 am
Forum: Help on using FreeCAD
Topic: Open Source Medical Ventilator project . FreeCAD expert
Replies: 46
Views: 1765

Re: Open Source Medical Ventilator project . FreeCAD expert

bavariaSHAPE wrote:
Fri Sep 04, 2020 7:43 am
...
The STEP files (from the provided SLDPRT) are available in this folder.
...
Thanks! But remodeling could be tricky...
step_import.JPG
step_import.JPG (50.49 KiB) Viewed 262 times
by thschrader
Thu Sep 03, 2020 3:23 pm
Forum: Help on using FreeCAD
Topic: Open Source Medical Ventilator project . FreeCAD expert
Replies: 46
Views: 1765

Re: Open Source Medical Ventilator project . FreeCAD expert

... ... as we need to change the design of the components based on the experimental results we have now to further optimize this. ... Hi manjula, just downloaded the ventilator stl from github. You can import the stl in FC and convert the parts to solids. But that’s it. No parametric. For changing ...
by thschrader
Thu Sep 03, 2020 9:43 am
Forum: Forum in Deutsch
Topic: Modellhistory in Part verbessern
Replies: 42
Views: 902

Re: Modellhistory in Part verbessern

bernd wrote:
Thu Sep 03, 2020 9:34 am
Die Box ist gegeben, das Rohr ändert von Projekt zu Projekt in Länge und Durchmesser sowie Wandstärke. Die Wandstärke soll so dünn sein wie möglich.
Verlänger mal das Rohr und schieb die Box nach oben.
bauteil_verlaengert.JPG
bauteil_verlaengert.JPG (39.48 KiB) Viewed 157 times
by thschrader
Thu Sep 03, 2020 7:22 am
Forum: Forum in Deutsch
Topic: Modellhistory in Part verbessern
Replies: 42
Views: 902

Re: Modellhistory in Part verbessern

bernd wrote:
Thu Sep 03, 2020 7:00 am
kein rohr hier ... :(
part-wb Thickness. Zylinderfläche oben/unten anwählen, dann den Kubus klicken.
Wert negativ eingeben, sonst vergrössert sich der Aussendurchmesser
part_wb_thickness.JPG
part_wb_thickness.JPG (48.17 KiB) Viewed 113 times
by thschrader
Wed Sep 02, 2020 3:30 pm
Forum: Forum in Deutsch
Topic: Modellhistory in Part verbessern
Replies: 42
Views: 902

Re: Modellhistory in Part verbessern

Hier mein Versuch. Dauerte ca. 20 min. WB: part, curves,arch,sketcher. Part-design benutze ich nie, das ist mir viel zu kompliziert. Im Büro stehe ich dermaßen unter Zeitdruck, das ich mich nicht um eine ausgefeilte Parametrik kümmern kann. Hauptsache der Zeichner bekommt sein Bauteil. Und ich meine...
by thschrader
Wed Sep 02, 2020 2:14 pm
Forum: Users Showcase
Topic: MIT Sean Collier Memorial
Replies: 14
Views: 1505

Re: MIT Sean Collier Memorial

Fuse the slicing object together before slicing. It is explained mentioned in the example on Part Slice page. Slicing object must pass BOP check, your Extrude001 does not. That works. I used BooleanFragments on the slicing-plane, hope thats correct. Can you have a look at my original model from the...
by thschrader
Wed Sep 02, 2020 6:53 am
Forum: Users Showcase
Topic: MIT Sean Collier Memorial
Replies: 14
Views: 1505

Re: MIT Sean Collier Memorial

Something is wrong with my model. Export the structure (green) as step-file, reimport ==> ellipsoid remains. File size of step 29 MB (?) Built a new one from scratch, using slice: tricky too, 5 bodys are generated, should be 6. I need a new approach. test-model: test.FCStd broken_model.JPG OS: Windo...

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