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    [Plugin] SPGears

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    • Dave RD Offline
      Dave R
      last edited by

      This extension will do that. The number of teeth will determine the diameter of the gear.

      There are other gear-generating extensions that can do the same thing.

      Etaoin Shrdlu

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      • P Offline
        pacaeiro
        last edited by

        Thank's Dave, but it's not the result I'm getting.
        I made a gear with 36 teeth, if I made another with 18 teeth the diameter is the same and the teeth have duplicated the size.

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        • Dave RD Offline
          Dave R
          last edited by

          Hmmm.... I haven't looked at this one for a long time. Looks like you need to know the pitch radius of the gear and let it put in the right number of teeth. I generally prefer to model gears in a more manual way to make sure I get tooth profiles correct. It's not really difficult and I'm assured of getting what I really want.

          Etaoin Shrdlu

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          • P Offline
            pacaeiro
            last edited by

            I would be cool if we have a Modulus and Number of teeth as both factors to construct the gear. That way all gears relate to each others.
            Put it here as a suggestion.
            Thank you!

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            • TIGT Offline
              TIG Moderator
              last edited by

              New member PhilLeGall has done some work re-coding this toolset.
              I've suggested to him that he first posts outline details here, with a view to perhaps publishing an updated version in due course...

              Hopefully he'll post here soon...

              He would like to contact the original author - but his out-bound PM abilities are initially curtailed.
              Perhaps jgrundman could PM him, when he sees this ?

              TIG

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              • P Offline
                PhilLeGall
                last edited by

                Good morning to all of you.
                I'm trying to contact Mark Jason Grundman. I would like to present him with a version 2 of SPGear quite complete.
                The new version offers the following services:
                Bilingual (English, French), easily expandable for other languages.
                Automatically adapts to the SketchUp type (mm or inch)
                Draws, in addition to straight gears, helical, conical, helical conicals, chevron gears, hollow wheel gears and globic screws.
                The new version performs calculations to correct deformations in the case of very steep propellers (screw cases)
                The new version also proposes to draw the adapted satellite gears (calculated automatically) and then place them correctly on the leading gable.
                The app filters the compatible settings for each requested case as much as possible.
                The new version uses and generalizes mesh drawings (systematic use of add_faces_from_mesh methods)
                The new version includes well on the setting of the boring, the size of the flap, the design or not of a rimmed/rim and the direction of rotation of the helical

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                • C Offline
                  Cyberdactyl
                  last edited by

                  Any news on an update regarding this project? The last post was almost a year ago.

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                  • Dan RathbunD Offline
                    Dan Rathbun
                    last edited by


                    UPDATED - NO NEW FEATURES

                    Other authors were creating derivative extensions without differencing in a namespace wrapper of their own. This can cause clashing Ruby objects, ie classes. So ...

                    The following version preserves MJ Grundman's edition within a namespace module of MJG's own. Some general cleanup, a fix for the inputbox and some error handling for the command. Also made sure that no undo operation is left open as that emits warnings now (if an exception occurs before the operation can be committed.)

                    Packed up as a RBZ extension archive.

                    Again, ... NO NEW FEATURES, but you can now switch it on and off via SketchUp's Extension Manager or the SketchUcation PluginStore interface.

                    NOTE: Remember to delete (or move) the old "SPGears_mjg_v1.2.rb" file from your "Plugins" folder when running the update version.

                    ` # v1.3 : 2021-10-26 by Dan Rathbun

                    - Properly namespace wrapped and packaged as a RBZ extension archive.

                    - General cleanup of indents, extra long lines and empty space lines.

                    - Corrected inputbox validation loop in SPGear::dialog().

                    * Was calling the same method recursively and not restoring the

                    users previous inputs.

                    * Was using bad index to validate Bevel Angle results which did

                    not cause the inputbox to redisplay allowing error in later code

                    when the angle was out of range.`

                    .


                    MJGrundman_SPGears_v1.3.rbz

                    I'm not here much anymore.

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                    • TIGT Offline
                      TIG Moderator
                      last edited by

                      I've updated the version in the PluginStore to this one... v1.3
                      https://sketchucation.com/pluginstore?pln=SPGears_mjg

                      TIG

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                      • TIGT Offline
                        TIG Moderator
                        last edited by

                        Here's v1.4 RBZ, which fixes a tiny typo in a file-path setting up the extension...
                        https://sketchucation.com/pluginstore?pln=SPGears_mjg

                        TIG

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                        • kenK Offline
                          ken
                          last edited by

                          Thanks, TIG

                          I have been chasing why I couldn't install this plugin. It kept appearing in the SketchUcation Extension Manager as Disabled Extensions and I couldn't change the setting.

                          And maybe I missed the text, but it would help, if there was some indication where plugin/extensions are located.

                          Again, thank you

                          Ken

                          Fight like your the third monkey on Noah's Ark gangway.

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                          • TIGT Offline
                            TIG Moderator
                            last edited by

                            If you use the built-in Extension Manager you should be able to enable an extension, however an old extension like this is not 'signed' - so you will need the Extension Manager's settings 'Loading Policy' to be 'Unrestricted'...

                            Most plugins have 'usage notes' explaining where to find and use the tools...

                            In the case of this particular one it's spelled out in the first post of this thread...
                            Menu Item : Plugins -> SPGears - in newer versions of SketchUp that menu was re-titled 'Extensions'...

                            TIG

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                            • kenK Offline
                              ken
                              last edited by

                              Tig

                              I used the extension manager and I had it to load unsigned plugins.

                              Still, it would end up in the disabled section and I couldn't move it from there. Tried many times and many ways.

                              However, I got it running now.

                              Fight like your the third monkey on Noah's Ark gangway.

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                              • A Offline
                                antwal
                                last edited by

                                hi all,

                                this plugin working with sketchup 2021? i have installed it but when try generate gear with default settings i receive the message "Diametral = 1.5" and not working, how can resolve this problem?

                                Thanks.

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                                • Dave RD Offline
                                  Dave R
                                  last edited by

                                  SPGears works fine in SketchUp 2021 for me.

                                  @antwal said:

                                  i receive the message "Diametral = 1.5" and not working, how can resolve this problem?

                                  What do you do after you get that message? It's not an error. It's just information.
                                  Click on the picture

                                  Etaoin Shrdlu

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                                  • G Offline
                                    GregorS
                                    last edited by

                                    It is now 2022 perhaps things have changed som even though I am using SU2017 Make.
                                    I used to draw involute gears by hand, tracing a profile from "geargenerator.com" at a large scale and using arcs with suitable radii for the various sections, pushing into appropriate thickness and 3D printing in PLA made eminently usable gears.
                                    One 'bug' that I have seen with SPGears 1.4 on Windows is a klipping plane phenomenon that is baffling. Only at a limited zoom factor is the generated gear visible and neither Zoom All nor Zoom Selected manage to make the gear appear. Perspective or Parallel projection makes no difference.

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                                    • Dave RD Offline
                                      Dave R
                                      last edited by

                                      I'm not seeing that when using this extensions. Share a .skp file so we can see what you are getting.

                                      Etaoin Shrdlu

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                                      • D Offline
                                        dennipeter
                                        last edited by

                                        @antwal said:

                                        hi all,

                                        this plugin working with sketchup 2021? i have installed it but when try generate gear with default settings i receive the message "Diametral = 1.5" and not working, how can resolve this problem?

                                        Thanks.

                                        I too get the same "Dimetral" pop up box, and no gear seems to get created after that.

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                                        • R Offline
                                          Radim
                                          last edited by

                                          Hello,
                                          how can I define the height of the tooth?

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                                          • Dave RD Offline
                                            Dave R
                                            last edited by

                                            @radim said:

                                            how can I define the height of the tooth?

                                            This extension models involute gear teeth. Their height is determined by the extension. Since the teeth are created as components separate from the body of the gear, you could edit the tooth component to change its height.
                                            Screenshot - 6_30_2022 , 8_33_00 AM.png

                                            Etaoin Shrdlu

                                            %

                                            (THERE'S NO PLACE LIKE)

                                            G28 X0.0 Y0.0 Z0.0

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